How many institutions own AMBQ stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own AMBQ shares is 109, representing 39.55% of the company's common stock.

Who are the major shareholders selling Ambiq Micro, Inc. stock?

MORGAN STANLEY, in the last quarter, reduced its stake in AMBQ by -20.06% restricting it's holding to 31.41 thousand shares of worth nearly $798.00K. SBI SECURITIES CO., LTD. also lessened -32.77% of the AMBQ shares from its portfolio, reducing its holding to 831 shares of worth $21.12K. WALLEYE CAPITAL LLC also shunned AMBQ shares holding by -1.09% last quarter which brought its holding to 11.43 thousand shares worth $290.41K.

Investors who are buying AMBQ stock?

As per its latest 13F filing, ALYESKA INVESTMENT GROUP, L.P. increased its stake in AMBQ by 138.5% in the last quarter. The institutional holder raised its holding to 78.31 thousand shares having worth more than $1.99M. TWO SIGMA INVESTMENTS, LP also added 100% more shares of AMBQ to its portfolio, raising its holding to 36.79 thousand shares of worth $934.94K. KORNITZER CAPITAL MANAGEMENT INC /KS also increased its AMBQ shares holding by 54.88% which brought its holding to 26.44 thousand shares worth $671.89K.

AMBQ's major insiders: who are they?

The insider with the most stakes in AMBQ is Esaka Fumihide , Chief Executive Officer at the company. Additionally, AMBQ stock is highly held by Chief Technology Officer Hanson Scott McLean and President and COO Chen Sean Chihhsiang among others.

Did an insider recently sell AMBQ stock?

Company executives, directors, and other insiders own 5.26% percent of Ambiq Micro, Inc.'s stock. Within the last six months, there have been 8 transaction(s) in which AMBQ insiders have sold stock, totaling 104.83K shares. Insiders that have sold shares include CHEN TIMOTHY, CHEN SEAN CHIHHSIANG, and HANSON SCOTT MCLEAN.

Which insider recently purchased AMBQ stock?

There have been 0 transaction(s) during the past 6-months in which Ambiq Micro, Inc. insiders have bought stock, totalling 0 shares

How much of AMBQ does insiders own?

Around 1.04M Ambiq Micro, Inc. shares are held by insiders, which represents about 5.26% of AMBQ stock.

Who is the insider with the largest stake?

AMBQ Chief Executive Officer, Esaka Fumihide holds the largest portfolio of the company's shares. AMBQ shares owned by Esaka total nearly 391.19 thousand.

Which institution holds the most shares in AMBQ?

ALYESKA INVESTMENT GROUP, L.P. is the largest institutional owner in AMBQ which holds 78.31 thousand shares worth $1.99M or 0.98% of the total AMBQ shares outstanding followed by TWO SIGMA INVESTMENTS, LP with ownership of 36.79 thousand shares representing 0.46% of the AMBQ ownership. KORNITZER CAPITAL MANAGEMENT INC /KS is the third largest stakeholder with 26.44 thousand shares or 0.33% of the ownership worth more than $671.89K.

Is Ambiq Micro, Inc. stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the AMBQ is concerned, it is a stock which is optionable.

Is there a short position on AMBQ's shares?

Number of AMBQ shares short is 978.02K. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding AMBQ shares are there?

As of today, 21.38M shares of AMBQ are outstanding.

Is there many float in AMBQ stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, AMBQ has 18.39M shares in float.

AMBQ short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for AMBQ is 1.52.

Ambiq Micro (AMBQ) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares4.58

Short Percent Of Float4.86

Shares Outstanding21.38M

Shares Float18.39M

Shares Short978.02K

Short Ratio1.52

4.86%

Short % of Float

4.58%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

5.26% Percentage of Shares held by All Insiders

39.55% Percentage of Shares held by All Institutions

41.75% Percentage of Float held by Institutions

109

Number of Institutions Holding Shares

Institutional Ownership

About 39.55% of AMBQ shares are held by financial institutions. ALYESKA INVESTMENT GROUP, L.P. is the top corporate investor, holding 78.31K shares valued at $1.99M. A 0.98% stake in Ambiq Micro, Inc. is owned by the company. TWO SIGMA INVESTMENTS, LP owns 36.79K shares valued at $934.94K, which translates its holding of 0.46% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2026	ALYESKA INVESTMENT GROUP, L.P.	0.98%	78.31K	1.99M	45.47K	+138.50%
Mar 31, 2026	TWO SIGMA INVESTMENTS, LP	0.46%	36.79K	934.94K	36.79K	+100.00%
Mar 31, 2026	KORNITZER CAPITAL MANAGEMENT INC /KS	0.33%	26.44K	671.89K	9.37K	+54.88%
Mar 31, 2026	POLAR ASSET MANAGEMENT PARTNERS INC.	2.52%	201.34K	5.12M	175.25K	+671.75%
Mar 31, 2026	CAPITAL ASSET ADVISORY SERVICES LLC	0.24%	18.93K	664.75K	18.93K	+100.00%
Mar 31, 2026	ESSEX INVESTMENT MANAGEMENT CO LLC	0.24%	19.22K	488.28K	19.22K	+100.00%
Mar 31, 2026	STATE STREET CORP	3.26%	260.23K	6.61M	175.72K	+207.94%
Mar 31, 2026	SILVERCREST ASSET MANAGEMENT GROUP LLC	3.54%	282.37K	7.18M	93.68K	+49.65%
Mar 31, 2026	GEODE CAPITAL MANAGEMENT, LLC	3.73%	297.55K	7.56M	193.36K	+185.60%
Mar 31, 2026	DRIEHAUS CAPITAL MANAGEMENT LLC	4.77%	380.77K	9.68M	380.77K	+100.00%
Mar 31, 2026	GOLDMAN SACHS GROUP INC	5.18%	413.43K	10.51M	281.31K	+212.94%
Mar 31, 2026	SCHONFELD STRATEGIC ADVISORS LLC	8.23%	656.55K	16.68M	434.74K	+196.00%
Mar 31, 2026	ALLIANCEBERNSTEIN L.P.	8.6%	686.1K	19.55M	290.73K	+73.53%
Mar 31, 2026	T. ROWE PRICE INVESTMENT MANAGEMENT, INC.	15.89%	1.27M	32.21M	1.27M	+100.00%
Mar 31, 2026	UBS GROUP AG	2.08%	165.84K	4.21M	130.05K	+363.37%
Mar 31, 2026	S SQUARED TECHNOLOGY, LLC	2.42%	192.77K	4.9M	192.77K	+100.00%
Mar 31, 2026	WASATCH ADVISORS LP	3.19%	254.3K	6.46M	36.79K	+16.91%
Mar 31, 2026	FIRST EAGLE INVESTMENT MANAGEMENT, LLC	3.5%	279.07K	7.09M	89.35K	+47.10%
Mar 31, 2026	FRANKLIN RESOURCES INC	6.8%	542.22K	13.78M	234.33K	+76.11%
Mar 31, 2026		1.99%	158.9K	4.04M	158.9K	+100.00%
Mar 31, 2026	BLACKROCK, INC.	12.7%	1.01M	25.74M	705.27K	+229.06%
Mar 31, 2026	GHISALLO CAPITAL MANAGEMENT LLC	0.25%	20K	508.2K	0	0
Mar 31, 2026	ATREIDES MANAGEMENT, LP	10.81%	862.18K	21.91M	165.76K	+23.80%
Mar 31, 2026	INSPIRE INVESTING, LLC	0.26%	20.81K	528.68K	4.67K	+28.90%
Mar 31, 2026	TORONADO PARTNERS, LLC	0.27%	21.22K	539.25K	21.22K	+100.00%
Mar 31, 2026	DEUTSCHE BANK AG\	0.29%	23.01K	584.68K	7.62K	+49.52%
Mar 31, 2026	WELLS FARGO & COMPANY/MN	0.09%	6.87K	174.57K	1.53K	+28.56%
Mar 31, 2026	TD ASSET MANAGEMENT INC	0.3%	23.77K	604K	23.77K	+100.00%
Mar 31, 2026	XTX TOPCO LTD	0.31%	24.85K	631.54K	24.85K	+100.00%
Mar 31, 2026	STIFEL FINANCIAL CORP	0.35%	27.7K	703.73K	27.7K	+100.00%
Mar 31, 2026	MORGAN STANLEY	0.39%	31.41K	798K	-7.88K	-20.06%
Mar 31, 2026	NUVEEN, LLC	0.45%	35.72K	907.67K	35.72K	+100.00%
Mar 31, 2026	AMERIPRISE FINANCIAL INC	0.46%	36.78K	934.66K	16.33K	+79.82%
Mar 31, 2026	CENTERBOOK PARTNERS LP	0.7%	55.57K	1.41M	55.57K	+100.00%
Mar 31, 2026	LAZARD ASSET MANAGEMENT LLC	0.81%	64.25K	1.63M	64.25K	+100.00%
Mar 31, 2026	VANGUARD FIDUCIARY TRUST CO	0.82%	65.04K	1.65M	65.04K	+100.00%
Mar 31, 2026	JPMORGAN CHASE & CO	0.96%	76.52K	1.81M	63.83K	+502.94%
Mar 31, 2026	LOS ANGELES CAPITAL MANAGEMENT LLC	1.16%	92.58K	2.35M	83.93K	+969.35%
Mar 31, 2026	MONASHEE INVESTMENT MANAGEMENT LLC	1.3%	103.76K	2.64M	18.67K	+21.94%
Mar 31, 2026	NORTHERN TRUST CORP	1.39%	110.85K	2.82M	90.56K	+446.48%
Mar 31, 2026	EVERSOURCE WEALTH ADVISORS, LLC	0%	27	344	26	+2,600.00%
Mar 31, 2026	SIMPLEX TRADING, LLC	0%	33	838K	33	+100.00%
Mar 31, 2026	CWM, LLC	0%	91	2.31K	42	+85.71%
Mar 31, 2026	CAITONG INTERNATIONAL ASSET MANAGEMENT CO., LTD	0%	192	4.88K	192	+100.00%
Mar 31, 2026	HURLEY CAPITAL, LLC	0%	200	5.08K	0	0
Mar 31, 2026	UBS ASSET MANAGEMENT AMERICAS INC	0%	227	5.77K	227	+100.00%
Mar 31, 2026	STERLING CAPITAL MANAGEMENT LLC	0%	290	7.37K	155	+114.81%
Mar 31, 2026	STRS OHIO	0.01%	800	20.33K	0	0
Mar 31, 2026	SBI SECURITIES CO., LTD.	0.01%	831	21.12K	-405	-32.77%
Mar 31, 2026	RUSSELL INVESTMENTS GROUP, LTD.	0.02%	1.42K	36.11K	1.01K	+244.90%
Mar 31, 2026	AMERITAS INVESTMENT PARTNERS, INC.	0.02%	1.48K	37.66K	1.09K	+280.98%
Mar 31, 2026	BANK OF AMERICA CORP /DE/	0.6%	48.03K	1.22M	41.47K	+632.32%
Mar 31, 2026	RENAISSANCE TECHNOLOGIES LLC	0.53%	42.6K	1.08M	42.6K	+100.00%
Mar 31, 2026	BANK OF NEW YORK MELLON CORP	0.53%	42.03K	1.07M	31.21K	+288.52%
Mar 31, 2026	READYSTATE ASSET MANAGEMENT LP	0.53%	41.92K	1.07M	25.32K	+152.57%
Mar 31, 2026	HIGHTOWER ADVISORS, LLC	0.27%	21.65K	550.18K	21.65K	+100.00%
Mar 31, 2026	LEGAL & GENERAL GROUP PLC	0.02%	1.58K	40.25K	1.11K	+234.88%
Mar 31, 2026	NEW YORK STATE COMMON RETIREMENT FUND	0.02%	1.7K	43.2K	0	0
Mar 31, 2026	VANGUARD GLOBAL ADVISERS, LLC	0.04%	3.13K	79.56K	3.13K	+100.00%
Mar 31, 2026	BNP PARIBAS ARBITRAGE, SNC	0.05%	3.89K	98.82K	2.9K	+293.23%
Mar 31, 2026	CITIGROUP INC	0.05%	4.29K	109.11K	3.19K	+290.01%
Mar 31, 2026	NEEDHAM INVESTMENT MANAGEMENT LLC	2.51%	200K	5.08M	200K	+100.00%
Mar 31, 2026	GILDER GAGNON HOWE & CO LLC	1.37%	109.58K	2.78M	15.83K	+16.89%
Mar 31, 2026	SOFTBANK GROUP CORP.	1.87%	148.94K	3.78M	0	0
Mar 31, 2026	SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC	1.95%	155.6K	3.95M	32K	+25.89%
Mar 31, 2026	MILLENNIUM MANAGEMENT LLC	2.23%	177.56K	4.51M	115.54K	+186.30%
Mar 31, 2026	POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY	0.06%	4.58K	116.4K	3.56K	+346.93%
Mar 31, 2026	ROUBAIX CAPITAL, LLC	1.58%	125.82K	3.2M	125.82K	+100.00%
Mar 31, 2026	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.02%	81.07K	2.06M	47.23K	+139.61%
Mar 31, 2026	PERPETUAL LTD	0.21%	16.65K	423.05K	16.65K	+100.00%
Mar 31, 2026	QUANTBOT TECHNOLOGIES LP	0.19%	15.16K	385.11K	11.29K	+292.13%
Mar 31, 2026	RHUMBLINE ADVISERS	0.18%	14.04K	356.67K	10.63K	+311.88%
Mar 31, 2026	WALLEYE CAPITAL LLC	0.14%	11.43K	290.41K	-126	-1.09%
Mar 31, 2026	METLIFE INVESTMENT MANAGEMENT, LLC	0.13%	10.17K	258.39K	10.17K	+100.00%
Dec 31, 2025	ALYESKA INVESTMENT GROUP, L.P.	0.26%	32.83K	935.71K	14.12K	+75.48%
Dec 31, 2025	TUDOR INVESTMENT CORP ET AL	0.22%	26.98K	768.82K	26.98K	+100.00%
Dec 31, 2025	POLAR ASSET MANAGEMENT PARTNERS INC.	0.21%	26.09K	743.51K	26.09K	+100.00%
Dec 31, 2025	WALLEYE CAPITAL LLC	0.09%	11.56K	329.32K	0	0
Dec 31, 2025	BANK OF NEW YORK MELLON CORP	0.09%	10.82K	308.31K	-235	-2.13%
Dec 31, 2025	TWO SIGMA INVESTMENTS, LP	0%	0	-	-7.47K	-100.00%
Dec 31, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.18%	22.18K	632.1K	20.01K	+923.96%
Dec 31, 2025	WELLS FARGO & COMPANY/MN	0.04%	5.34K	152.3K	2.23K	+71.50%
Dec 31, 2025	BLACKROCK, INC.	2.47%	307.9K	8.78M	16.02K	+5.49%
Dec 31, 2025	CITIGROUP INC	0.01%	1.1K	31.38K	955	+654.11%
Dec 31, 2025	VERITION FUND MANAGEMENT LLC	0%	0	-	-29.57K	-100.00%
Dec 31, 2025	SQUAREPOINT OPS LLC	0%	0	-	-9.25K	-100.00%
Dec 31, 2025	GLOBAL RETIREMENT PARTNERS, LLC	0%	0	-	-12K	-100.00%
Dec 31, 2025	CAITONG INTERNATIONAL ASSET MANAGEMENT CO., LTD	0%	0	-	-454	-100.00%
Dec 31, 2025	KINGSWOOD WEALTH ADVISORS, LLC	0%	0	-	-6.9K	-100.00%
Dec 31, 2025		0%	9	257	9	+100.00%
Dec 31, 2025	ROTHSCHILD INVESTMENT LLC	0%	5	143	5	+100.00%
Dec 31, 2025	EVERSOURCE WEALTH ADVISORS, LLC	0%	1	29K	1	+100.00%
Dec 31, 2025	IFP ADVISORS, INC	0%	1	28K	1	+100.00%
Dec 31, 2025	MASSMUTUAL TRUST CO FSB/ADV	0%	0	-	-58	-100.00%
Dec 31, 2025	ATREIDES MANAGEMENT, LP	5.59%	696.42K	19.85M	12.11K	+1.77%
Dec 31, 2025	ALLIANCEBERNSTEIN L.P.	3.17%	395.37K	11.27M	-40.78K	-9.35%
Dec 31, 2025	KADENSA CAPITAL LTD	3.17%	394.99K	11.26M	0	0
Dec 31, 2025	SCHONFELD STRATEGIC ADVISORS LLC	1.78%	221.81K	6.32M	-52.28K	-19.07%
Dec 31, 2025	SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC	0.99%	123.6K	3.52M	30K	+32.05%
Dec 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.84%	104.18K	2.97M	6.16K	+6.28%
Dec 31, 2025	GILDER GAGNON HOWE & CO LLC	0.75%	93.75K	2.67M	-2K	-2.09%
Dec 31, 2025	D. E. SHAW & CO., INC.	0.16%	19.57K	557.86K	4.41K	+29.04%
Dec 31, 2025	READYSTATE ASSET MANAGEMENT LP	0.13%	16.6K	472.99K	-4.9K	-22.81%
Dec 31, 2025	INSPIRE INVESTING, LLC	0.13%	16.14K	460.02K	1.07K	+7.06%
Dec 31, 2025	FIRST EAGLE INVESTMENT MANAGEMENT, LLC	1.52%	189.72K	5.41M	130.82K	+222.11%
Dec 31, 2025	SILVERCREST ASSET MANAGEMENT GROUP LLC	1.51%	188.69K	5.38M	0	0
Dec 31, 2025	AMERIPRISE FINANCIAL INC	0.16%	20.46K	583K	-2.17K	-9.59%
Dec 31, 2025	NORTHERN TRUST CORP	0.16%	20.28K	578.09K	-13.69K	-40.29%
Dec 31, 2025	HOUND PARTNERS, LLC	0.16%	20K	570K	0	0
Dec 31, 2025	NORGES BANK	0.16%	20K	570K	20K	+100.00%
Dec 31, 2025	GHISALLO CAPITAL MANAGEMENT LLC	0.16%	20K	570K	0	0
Dec 31, 2025	BARCLAYS PLC	0.07%	8.45K	240.85K	1.88K	+28.67%
Dec 31, 2025	BANK OF AMERICA CORP /DE/	0.05%	6.56K	186.93K	647	+10.94%
Dec 31, 2025	QUANTBOT TECHNOLOGIES LP	0.03%	3.87K	110.15K	3.87K	+100.00%
Dec 31, 2025	RHUMBLINE ADVISERS	0.03%	3.41K	97.13K	-575	-14.44%
Dec 31, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0.01%	1.7K	48.45K	1.7K	+100.00%
Dec 31, 2025	ADVISOR GROUP HOLDINGS, INC.	0.01%	1.6K	45.46K	-250	-13.55%
Dec 31, 2025	SBI SECURITIES CO., LTD.	0.01%	1.24K	35.23K	-2.14K	-63.40%
Dec 31, 2025	FRANKLIN RESOURCES INC	2.47%	307.89K	8.77M	295.93K	+2,474.31%
Dec 31, 2025	WASATCH ADVISORS LP	1.75%	217.51K	6.2M	72.09K	+49.57%
Dec 31, 2025	GOLDMAN SACHS GROUP INC	1.06%	132.11K	3.77M	10.71K	+8.82%
Dec 31, 2025	WHITTIER TRUST CO OF NEVADA INC	0%	0	-	-1K	-100.00%
Dec 31, 2025	FORTRESS INVESTMENT GROUP LLC	0%	0	-	-150K	-100.00%
Dec 31, 2025	BLACKSTONE INC.	0%	0	-	-20K	-100.00%
Dec 31, 2025	MONASHEE INVESTMENT MANAGEMENT LLC	0.68%	85.09K	2.43M	-114.91K	-57.46%
Dec 31, 2025	STATE STREET CORP	0.68%	84.51K	2.41M	12.21K	+16.89%
Dec 31, 2025	KORNITZER CAPITAL MANAGEMENT INC /KS	0.14%	17.07K	486.58K	73	+0.43%
Dec 31, 2025	DEUTSCHE BANK AG\	0.12%	15.39K	438.59K	-4.5K	-22.63%
Dec 31, 2025	POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY	0.01%	1.03K	29.21K	0	0
Dec 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0.01%	989	28.19K	49	+5.21%
Dec 31, 2025	ROYAL BANK OF CANADA	0.01%	810	24K	-3.96K	-83.03%
Dec 31, 2025	STRS OHIO	0.01%	800	22.8K	0	0
Dec 31, 2025	LEGAL & GENERAL GROUP PLC	0%	473	13.48K	0	0
Dec 31, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0%	440	12.54M	-548	-55.47%
Dec 31, 2025	AMERITAS INVESTMENT PARTNERS, INC.	0%	389	11.09K	0	0
Dec 31, 2025	QUARRY LP	0%	304	8.66K	286	+1,588.89%
Dec 31, 2025	AMALGAMATED BANK	0%	146	4K	-5	-3.31%
Dec 31, 2025	STERLING CAPITAL MANAGEMENT LLC	0%	135	3.85K	13	+10.66%
Dec 31, 2025	CWM, LLC	0%	49	1K	49	+100.00%
Dec 31, 2025	NISA INVESTMENT ADVISORS, LLC	0%	12	342	12	+100.00%
Dec 31, 2025	GAMMA INVESTING LLC	0%	11	314	11	+100.00%
Dec 31, 2025	ALLWORTH FINANCIAL LP	0%	2	57	2	+100.00%
Dec 31, 2025	MORGAN STANLEY	0.32%	39.28K	1.12M	30.57K	+350.97%
Dec 31, 2025	JPMORGAN CHASE & CO	0.1%	12.69K	361.7K	10.81K	+576.13%
Dec 31, 2025	LOS ANGELES CAPITAL MANAGEMENT LLC	0.07%	8.66K	257.32K	8.66K	+100.00%
Dec 31, 2025	VANGUARD GROUP INC	2.63%	328.18K	9.35M	20.35K	+6.61%
Dec 31, 2025	SOFTBANK GROUP CORP.	1.19%	148.94K	4.24M	0	0
Dec 31, 2025	MILLENNIUM MANAGEMENT LLC	0.5%	62.02K	1.77M	62.02K	+100.00%
Dec 31, 2025	MAVERICK CAPITAL LTD	0.48%	59.25K	1.69M	0	0
Dec 31, 2025	SEVEN GRAND MANAGERS, LLC	0.4%	50K	1.43M	0	0
Dec 31, 2025	PEAK6 LLC	0.29%	35.84K	1.02M	-4.16K	-10.41%
Dec 31, 2025	UBS GROUP AG	0.29%	35.79K	1.02M	-5.64K	-13.62%
Dec 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.27%	33.83K	964.24K	2.98K	+9.66%
Sep 30, 2025	CITADEL ADVISORS LLC	0.48%	60K	1.8M	60K	+100.00%
Sep 30, 2025	JPMORGAN CHASE & CO	0.02%	1.88K	56.16K	1.88K	+100.00%
Sep 30, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.02%	2.17K	64.81K	2.17K	+100.00%
Sep 30, 2025	SBI SECURITIES CO., LTD.	0.03%	3.38K	101.04K	3.38K	+100.00%
Sep 30, 2025	RHUMBLINE ADVISERS	0.03%	3.98K	119.17K	3.98K	+100.00%
Sep 30, 2025	ROYAL BANK OF CANADA	0.04%	4.77K	143K	4.77K	+100.00%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0.05%	5.91K	176.89K	5.91K	+100.00%
Sep 30, 2025	BARCLAYS PLC	0.05%	6.57K	196.51K	6.57K	+100.00%
Sep 30, 2025	KINGSWOOD WEALTH ADVISORS, LLC	0.06%	6.9K	206.45K	6.9K	+100.00%
Sep 30, 2025	TWO SIGMA INVESTMENTS, LP	0.06%	7.47K	223.38K	7.47K	+100.00%
Sep 30, 2025	MORGAN STANLEY	0.07%	8.71K	260.63K	8.71K	+100.00%
Sep 30, 2025	FIRST EAGLE INVESTMENT MANAGEMENT, LLC	0.47%	58.9K	1.76M	58.9K	+100.00%
Sep 30, 2025	MAVERICK CAPITAL LTD	0.48%	59.25K	1.77M	59.25K	+100.00%
Sep 30, 2025	SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC	0.75%	93.6K	2.8M	93.6K	+100.00%
Sep 30, 2025	GILDER GAGNON HOWE & CO LLC	0.77%	95.75K	2.86M	95.75K	+100.00%
Sep 30, 2025	WASATCH ADVISORS LP	1.17%	145.43K	4.35M	145.43K	+100.00%
Sep 30, 2025	SOFTBANK GROUP CORP.	1.19%	148.94K	4.46M	148.94K	+100.00%
Sep 30, 2025	FORTRESS INVESTMENT GROUP LLC	1.2%	150K	4.49M	150K	+100.00%
Sep 30, 2025	QUARRY LP	0%	18	539	18	+100.00%
Sep 30, 2025	MASSMUTUAL TRUST CO FSB/ADV	0%	58	1.74K	58	+100.00%
Sep 30, 2025	STERLING CAPITAL MANAGEMENT LLC	0%	122	3.65K	122	+100.00%
Sep 30, 2025	HURLEY CAPITAL, LLC	0%	200	5.98K	200	+100.00%
Sep 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	988	29.56K	988	+100.00%
Sep 30, 2025	WHITTIER TRUST CO OF NEVADA INC	0.01%	1K	29.83K	1K	+100.00%
Sep 30, 2025	POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY	0.01%	1.03K	30.67K	1.03K	+100.00%
Sep 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0.01%	1.85K	56.09K	1.85K	+100.00%
Sep 30, 2025	FREESTONE GROVE PARTNERS LP	0.16%	20K	598.4K	20K	+100.00%
Sep 30, 2025	GHISALLO CAPITAL MANAGEMENT LLC	0.16%	20K	598.4K	20K	+100.00%
Sep 30, 2025	WALLEYE CAPITAL LLC	0.09%	11.56K	345.73K	11.56K	+100.00%
Sep 30, 2025	MONASHEE INVESTMENT MANAGEMENT LLC	1.6%	200K	5.98M	200K	+100.00%
Sep 30, 2025	SCHONFELD STRATEGIC ADVISORS LLC	2.2%	274.09K	8.2M	274.09K	+100.00%
Sep 30, 2025	INSPIRE INVESTING, LLC	0.12%	15.08K	451.07K	15.08K	+100.00%
Sep 30, 2025	KORNITZER CAPITAL MANAGEMENT INC /KS	0.14%	17K	508.64K	17K	+100.00%
Sep 30, 2025	GLOBAL RETIREMENT PARTNERS, LLC	0.1%	12K	358.92K	12K	+100.00%
Sep 30, 2025	VANGUARD GROUP INC	2.47%	307.84K	9.21M	307.84K	+100.00%
Sep 30, 2025	KADENSA CAPITAL LTD	3.17%	394.99K	11.82M	394.99K	+100.00%
Sep 30, 2025	ALLIANCEBERNSTEIN L.P.	3.5%	436.15K	13.05M	436.15K	+100.00%
Sep 30, 2025	ATREIDES MANAGEMENT, LP	5.49%	684.31K	20.47M	684.31K	+100.00%
Sep 30, 2025	ALYESKA INVESTMENT GROUP, L.P.	0.15%	18.71K	559.8K	18.71K	+100.00%
Sep 30, 2025	BLACKSTONE INC.	0.16%	20K	598.4K	20K	+100.00%
Sep 30, 2025	HOUND PARTNERS, LLC	0.16%	20K	598.4K	20K	+100.00%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.79%	98.03K	2.93M	98.03K	+100.00%
Sep 30, 2025	LMR PARTNERS LLP	0.32%	39.85K	1.19M	39.85K	+100.00%
Sep 30, 2025	SEVEN GRAND MANAGERS, LLC	0.4%	50K	1.5M	50K	+100.00%
Sep 30, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.25%	30.85K	923.09K	30.85K	+100.00%
Sep 30, 2025	STATE STREET CORP	0.58%	72.3K	2.16M	72.3K	+100.00%
Sep 30, 2025	SILVERCREST ASSET MANAGEMENT GROUP LLC	1.51%	188.69K	5.65M	188.69K	+100.00%
Sep 30, 2025	SQUAREPOINT OPS LLC	0.07%	9.25K	276.64K	9.25K	+100.00%
Sep 30, 2025	D. E. SHAW & CO., INC.	0.12%	15.17K	453.86K	15.17K	+100.00%
Sep 30, 2025	NORTHERN TRUST CORP	0.27%	33.97K	1.02M	33.97K	+100.00%
Sep 30, 2025	PEAK6 LLC	0.32%	40K	1.2M	40K	+100.00%
Sep 30, 2025	BANK OF NEW YORK MELLON CORP	0.09%	11.05K	330.71K	11.05K	+100.00%
Sep 30, 2025	XTX TOPCO LTD	0.21%	26.66K	797.73K	26.66K	+100.00%
Sep 30, 2025	GOLDMAN SACHS GROUP INC	0.97%	121.4K	3.63M	121.4K	+100.00%
Sep 30, 2025	BLACKROCK, INC.	2.34%	291.88K	8.73M	291.88K	+100.00%
Sep 30, 2025	READYSTATE ASSET MANAGEMENT LP	0.17%	21.5K	643.28K	21.5K	+100.00%
Sep 30, 2025	VERITION FUND MANAGEMENT LLC	0.24%	29.57K	884.79K	29.57K	+100.00%
Sep 30, 2025	AMERIPRISE FINANCIAL INC	0.18%	22.63K	677K	22.63K	+100.00%

Insiders

Among the AMBQ insiders holding of 5.26% of the stake in company, ESAKA FUMIHIDE, Chief Executive Officer, holds the largest shares of 391.19K. HANSON SCOTT MCLEAN, Chief Technology Officer, is the second largest AMBQ insider with ownership of 203.13K shares. CHEN SEAN CHIHHSIANG, President and COO, stands third with possession of 120.28K shares of that stake.

Insiders	Designation	Shares Held
ESAKA FUMIHIDE	Chief Executive Officer	391.19K
HANSON SCOTT MCLEAN	Chief Technology Officer	203.13K
CHEN SEAN CHIHHSIANG	President and COO	120.28K
WINZELER JEFFREY G	Chief Financial Officer	94.4K
CONNORS MICHELE KIM	General Counsel	60.55K
TAUTGES JOSEPH A	director	48.75K
CHEN TIMOTHY	director	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
May 27, 2026	CHEN TIMOTHY	SALE	81.57	3.26K	266.24K	0
May 15, 2026	CHEN SEAN CHIHHSIANG	SALE	71.37	23.33K	1.67M	120.28K
May 14, 2026	HANSON SCOTT MCLEAN	SALE	70.50	200	14.1K	203.13K
May 14, 2026	WINZELER JEFFREY G	SALE	70.65	82	5.79K	94.4K
May 14, 2026	ESAKA FUMIHIDE	SALE	70.02	60K	4.2M	391.19K
Apr 02, 2026	CONNORS MICHELE KIM	SALE	26.65	151	4.02K	60.55K
Jan 26, 2026	HANSON SCOTT MCLEAN	SALE	31.00	10K	310K	122.82K
Jan 26, 2026	TAUTGES JOSEPH A	SALE	31.00	7.8K	241.8K	48.75K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES104.83K8

NET SHARES-104.83K8

SHARES HELD1.04M8

% NET SHARES-110.07%0%

Frequently Asked Questions

Stock Outstanding Shares

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares4.58

Short Percent Of Float4.86

Shares Outstanding21.38M

Shares Float18.39M

Shares Short978.02K

Short Ratio1.52

4.86%

Short % of Float

4.58%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

5.26% Percentage of Shares held by All Insiders

39.55% Percentage of Shares held by All Institutions

41.75% Percentage of Float held by Institutions

109

Number of Institutions Holding Shares

Institutional Ownership

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2026	ALYESKA INVESTMENT GROUP, L.P.	0.98%	78.31K	1.99M	45.47K	+138.50%
Mar 31, 2026	TWO SIGMA INVESTMENTS, LP	0.46%	36.79K	934.94K	36.79K	+100.00%
Mar 31, 2026	KORNITZER CAPITAL MANAGEMENT INC /KS	0.33%	26.44K	671.89K	9.37K	+54.88%
Mar 31, 2026	POLAR ASSET MANAGEMENT PARTNERS INC.	2.52%	201.34K	5.12M	175.25K	+671.75%
Mar 31, 2026	CAPITAL ASSET ADVISORY SERVICES LLC	0.24%	18.93K	664.75K	18.93K	+100.00%
Mar 31, 2026	ESSEX INVESTMENT MANAGEMENT CO LLC	0.24%	19.22K	488.28K	19.22K	+100.00%
Mar 31, 2026	STATE STREET CORP	3.26%	260.23K	6.61M	175.72K	+207.94%
Mar 31, 2026	SILVERCREST ASSET MANAGEMENT GROUP LLC	3.54%	282.37K	7.18M	93.68K	+49.65%
Mar 31, 2026	GEODE CAPITAL MANAGEMENT, LLC	3.73%	297.55K	7.56M	193.36K	+185.60%
Mar 31, 2026	DRIEHAUS CAPITAL MANAGEMENT LLC	4.77%	380.77K	9.68M	380.77K	+100.00%
Mar 31, 2026	GOLDMAN SACHS GROUP INC	5.18%	413.43K	10.51M	281.31K	+212.94%
Mar 31, 2026	SCHONFELD STRATEGIC ADVISORS LLC	8.23%	656.55K	16.68M	434.74K	+196.00%
Mar 31, 2026	ALLIANCEBERNSTEIN L.P.	8.6%	686.1K	19.55M	290.73K	+73.53%
Mar 31, 2026	T. ROWE PRICE INVESTMENT MANAGEMENT, INC.	15.89%	1.27M	32.21M	1.27M	+100.00%
Mar 31, 2026	UBS GROUP AG	2.08%	165.84K	4.21M	130.05K	+363.37%
Mar 31, 2026	S SQUARED TECHNOLOGY, LLC	2.42%	192.77K	4.9M	192.77K	+100.00%
Mar 31, 2026	WASATCH ADVISORS LP	3.19%	254.3K	6.46M	36.79K	+16.91%
Mar 31, 2026	FIRST EAGLE INVESTMENT MANAGEMENT, LLC	3.5%	279.07K	7.09M	89.35K	+47.10%
Mar 31, 2026	FRANKLIN RESOURCES INC	6.8%	542.22K	13.78M	234.33K	+76.11%
Mar 31, 2026		1.99%	158.9K	4.04M	158.9K	+100.00%
Mar 31, 2026	BLACKROCK, INC.	12.7%	1.01M	25.74M	705.27K	+229.06%
Mar 31, 2026	GHISALLO CAPITAL MANAGEMENT LLC	0.25%	20K	508.2K	0	0
Mar 31, 2026	ATREIDES MANAGEMENT, LP	10.81%	862.18K	21.91M	165.76K	+23.80%
Mar 31, 2026	INSPIRE INVESTING, LLC	0.26%	20.81K	528.68K	4.67K	+28.90%
Mar 31, 2026	TORONADO PARTNERS, LLC	0.27%	21.22K	539.25K	21.22K	+100.00%
Mar 31, 2026	DEUTSCHE BANK AG\	0.29%	23.01K	584.68K	7.62K	+49.52%
Mar 31, 2026	WELLS FARGO & COMPANY/MN	0.09%	6.87K	174.57K	1.53K	+28.56%
Mar 31, 2026	TD ASSET MANAGEMENT INC	0.3%	23.77K	604K	23.77K	+100.00%
Mar 31, 2026	XTX TOPCO LTD	0.31%	24.85K	631.54K	24.85K	+100.00%
Mar 31, 2026	STIFEL FINANCIAL CORP	0.35%	27.7K	703.73K	27.7K	+100.00%
Mar 31, 2026	MORGAN STANLEY	0.39%	31.41K	798K	-7.88K	-20.06%
Mar 31, 2026	NUVEEN, LLC	0.45%	35.72K	907.67K	35.72K	+100.00%
Mar 31, 2026	AMERIPRISE FINANCIAL INC	0.46%	36.78K	934.66K	16.33K	+79.82%
Mar 31, 2026	CENTERBOOK PARTNERS LP	0.7%	55.57K	1.41M	55.57K	+100.00%
Mar 31, 2026	LAZARD ASSET MANAGEMENT LLC	0.81%	64.25K	1.63M	64.25K	+100.00%
Mar 31, 2026	VANGUARD FIDUCIARY TRUST CO	0.82%	65.04K	1.65M	65.04K	+100.00%
Mar 31, 2026	JPMORGAN CHASE & CO	0.96%	76.52K	1.81M	63.83K	+502.94%
Mar 31, 2026	LOS ANGELES CAPITAL MANAGEMENT LLC	1.16%	92.58K	2.35M	83.93K	+969.35%
Mar 31, 2026	MONASHEE INVESTMENT MANAGEMENT LLC	1.3%	103.76K	2.64M	18.67K	+21.94%
Mar 31, 2026	NORTHERN TRUST CORP	1.39%	110.85K	2.82M	90.56K	+446.48%
Mar 31, 2026	EVERSOURCE WEALTH ADVISORS, LLC	0%	27	344	26	+2,600.00%
Mar 31, 2026	SIMPLEX TRADING, LLC	0%	33	838K	33	+100.00%
Mar 31, 2026	CWM, LLC	0%	91	2.31K	42	+85.71%
Mar 31, 2026	CAITONG INTERNATIONAL ASSET MANAGEMENT CO., LTD	0%	192	4.88K	192	+100.00%
Mar 31, 2026	HURLEY CAPITAL, LLC	0%	200	5.08K	0	0
Mar 31, 2026	UBS ASSET MANAGEMENT AMERICAS INC	0%	227	5.77K	227	+100.00%
Mar 31, 2026	STERLING CAPITAL MANAGEMENT LLC	0%	290	7.37K	155	+114.81%
Mar 31, 2026	STRS OHIO	0.01%	800	20.33K	0	0
Mar 31, 2026	SBI SECURITIES CO., LTD.	0.01%	831	21.12K	-405	-32.77%
Mar 31, 2026	RUSSELL INVESTMENTS GROUP, LTD.	0.02%	1.42K	36.11K	1.01K	+244.90%
Mar 31, 2026	AMERITAS INVESTMENT PARTNERS, INC.	0.02%	1.48K	37.66K	1.09K	+280.98%
Mar 31, 2026	BANK OF AMERICA CORP /DE/	0.6%	48.03K	1.22M	41.47K	+632.32%
Mar 31, 2026	RENAISSANCE TECHNOLOGIES LLC	0.53%	42.6K	1.08M	42.6K	+100.00%
Mar 31, 2026	BANK OF NEW YORK MELLON CORP	0.53%	42.03K	1.07M	31.21K	+288.52%
Mar 31, 2026	READYSTATE ASSET MANAGEMENT LP	0.53%	41.92K	1.07M	25.32K	+152.57%
Mar 31, 2026	HIGHTOWER ADVISORS, LLC	0.27%	21.65K	550.18K	21.65K	+100.00%
Mar 31, 2026	LEGAL & GENERAL GROUP PLC	0.02%	1.58K	40.25K	1.11K	+234.88%
Mar 31, 2026	NEW YORK STATE COMMON RETIREMENT FUND	0.02%	1.7K	43.2K	0	0
Mar 31, 2026	VANGUARD GLOBAL ADVISERS, LLC	0.04%	3.13K	79.56K	3.13K	+100.00%
Mar 31, 2026	BNP PARIBAS ARBITRAGE, SNC	0.05%	3.89K	98.82K	2.9K	+293.23%
Mar 31, 2026	CITIGROUP INC	0.05%	4.29K	109.11K	3.19K	+290.01%
Mar 31, 2026	NEEDHAM INVESTMENT MANAGEMENT LLC	2.51%	200K	5.08M	200K	+100.00%
Mar 31, 2026	GILDER GAGNON HOWE & CO LLC	1.37%	109.58K	2.78M	15.83K	+16.89%
Mar 31, 2026	SOFTBANK GROUP CORP.	1.87%	148.94K	3.78M	0	0
Mar 31, 2026	SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC	1.95%	155.6K	3.95M	32K	+25.89%
Mar 31, 2026	MILLENNIUM MANAGEMENT LLC	2.23%	177.56K	4.51M	115.54K	+186.30%
Mar 31, 2026	POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY	0.06%	4.58K	116.4K	3.56K	+346.93%
Mar 31, 2026	ROUBAIX CAPITAL, LLC	1.58%	125.82K	3.2M	125.82K	+100.00%
Mar 31, 2026	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.02%	81.07K	2.06M	47.23K	+139.61%
Mar 31, 2026	PERPETUAL LTD	0.21%	16.65K	423.05K	16.65K	+100.00%
Mar 31, 2026	QUANTBOT TECHNOLOGIES LP	0.19%	15.16K	385.11K	11.29K	+292.13%
Mar 31, 2026	RHUMBLINE ADVISERS	0.18%	14.04K	356.67K	10.63K	+311.88%
Mar 31, 2026	WALLEYE CAPITAL LLC	0.14%	11.43K	290.41K	-126	-1.09%
Mar 31, 2026	METLIFE INVESTMENT MANAGEMENT, LLC	0.13%	10.17K	258.39K	10.17K	+100.00%
Dec 31, 2025	ALYESKA INVESTMENT GROUP, L.P.	0.26%	32.83K	935.71K	14.12K	+75.48%
Dec 31, 2025	TUDOR INVESTMENT CORP ET AL	0.22%	26.98K	768.82K	26.98K	+100.00%
Dec 31, 2025	POLAR ASSET MANAGEMENT PARTNERS INC.	0.21%	26.09K	743.51K	26.09K	+100.00%
Dec 31, 2025	WALLEYE CAPITAL LLC	0.09%	11.56K	329.32K	0	0
Dec 31, 2025	BANK OF NEW YORK MELLON CORP	0.09%	10.82K	308.31K	-235	-2.13%
Dec 31, 2025	TWO SIGMA INVESTMENTS, LP	0%	0	-	-7.47K	-100.00%
Dec 31, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.18%	22.18K	632.1K	20.01K	+923.96%
Dec 31, 2025	WELLS FARGO & COMPANY/MN	0.04%	5.34K	152.3K	2.23K	+71.50%
Dec 31, 2025	BLACKROCK, INC.	2.47%	307.9K	8.78M	16.02K	+5.49%
Dec 31, 2025	CITIGROUP INC	0.01%	1.1K	31.38K	955	+654.11%
Dec 31, 2025	VERITION FUND MANAGEMENT LLC	0%	0	-	-29.57K	-100.00%
Dec 31, 2025	SQUAREPOINT OPS LLC	0%	0	-	-9.25K	-100.00%
Dec 31, 2025	GLOBAL RETIREMENT PARTNERS, LLC	0%	0	-	-12K	-100.00%
Dec 31, 2025	CAITONG INTERNATIONAL ASSET MANAGEMENT CO., LTD	0%	0	-	-454	-100.00%
Dec 31, 2025	KINGSWOOD WEALTH ADVISORS, LLC	0%	0	-	-6.9K	-100.00%
Dec 31, 2025		0%	9	257	9	+100.00%
Dec 31, 2025	ROTHSCHILD INVESTMENT LLC	0%	5	143	5	+100.00%
Dec 31, 2025	EVERSOURCE WEALTH ADVISORS, LLC	0%	1	29K	1	+100.00%
Dec 31, 2025	IFP ADVISORS, INC	0%	1	28K	1	+100.00%
Dec 31, 2025	MASSMUTUAL TRUST CO FSB/ADV	0%	0	-	-58	-100.00%
Dec 31, 2025	ATREIDES MANAGEMENT, LP	5.59%	696.42K	19.85M	12.11K	+1.77%
Dec 31, 2025	ALLIANCEBERNSTEIN L.P.	3.17%	395.37K	11.27M	-40.78K	-9.35%
Dec 31, 2025	KADENSA CAPITAL LTD	3.17%	394.99K	11.26M	0	0
Dec 31, 2025	SCHONFELD STRATEGIC ADVISORS LLC	1.78%	221.81K	6.32M	-52.28K	-19.07%
Dec 31, 2025	SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC	0.99%	123.6K	3.52M	30K	+32.05%
Dec 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.84%	104.18K	2.97M	6.16K	+6.28%
Dec 31, 2025	GILDER GAGNON HOWE & CO LLC	0.75%	93.75K	2.67M	-2K	-2.09%
Dec 31, 2025	D. E. SHAW & CO., INC.	0.16%	19.57K	557.86K	4.41K	+29.04%
Dec 31, 2025	READYSTATE ASSET MANAGEMENT LP	0.13%	16.6K	472.99K	-4.9K	-22.81%
Dec 31, 2025	INSPIRE INVESTING, LLC	0.13%	16.14K	460.02K	1.07K	+7.06%
Dec 31, 2025	FIRST EAGLE INVESTMENT MANAGEMENT, LLC	1.52%	189.72K	5.41M	130.82K	+222.11%
Dec 31, 2025	SILVERCREST ASSET MANAGEMENT GROUP LLC	1.51%	188.69K	5.38M	0	0
Dec 31, 2025	AMERIPRISE FINANCIAL INC	0.16%	20.46K	583K	-2.17K	-9.59%
Dec 31, 2025	NORTHERN TRUST CORP	0.16%	20.28K	578.09K	-13.69K	-40.29%
Dec 31, 2025	HOUND PARTNERS, LLC	0.16%	20K	570K	0	0
Dec 31, 2025	NORGES BANK	0.16%	20K	570K	20K	+100.00%
Dec 31, 2025	GHISALLO CAPITAL MANAGEMENT LLC	0.16%	20K	570K	0	0
Dec 31, 2025	BARCLAYS PLC	0.07%	8.45K	240.85K	1.88K	+28.67%
Dec 31, 2025	BANK OF AMERICA CORP /DE/	0.05%	6.56K	186.93K	647	+10.94%
Dec 31, 2025	QUANTBOT TECHNOLOGIES LP	0.03%	3.87K	110.15K	3.87K	+100.00%
Dec 31, 2025	RHUMBLINE ADVISERS	0.03%	3.41K	97.13K	-575	-14.44%
Dec 31, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0.01%	1.7K	48.45K	1.7K	+100.00%
Dec 31, 2025	ADVISOR GROUP HOLDINGS, INC.	0.01%	1.6K	45.46K	-250	-13.55%
Dec 31, 2025	SBI SECURITIES CO., LTD.	0.01%	1.24K	35.23K	-2.14K	-63.40%
Dec 31, 2025	FRANKLIN RESOURCES INC	2.47%	307.89K	8.77M	295.93K	+2,474.31%
Dec 31, 2025	WASATCH ADVISORS LP	1.75%	217.51K	6.2M	72.09K	+49.57%
Dec 31, 2025	GOLDMAN SACHS GROUP INC	1.06%	132.11K	3.77M	10.71K	+8.82%
Dec 31, 2025	WHITTIER TRUST CO OF NEVADA INC	0%	0	-	-1K	-100.00%
Dec 31, 2025	FORTRESS INVESTMENT GROUP LLC	0%	0	-	-150K	-100.00%
Dec 31, 2025	BLACKSTONE INC.	0%	0	-	-20K	-100.00%
Dec 31, 2025	MONASHEE INVESTMENT MANAGEMENT LLC	0.68%	85.09K	2.43M	-114.91K	-57.46%
Dec 31, 2025	STATE STREET CORP	0.68%	84.51K	2.41M	12.21K	+16.89%
Dec 31, 2025	KORNITZER CAPITAL MANAGEMENT INC /KS	0.14%	17.07K	486.58K	73	+0.43%
Dec 31, 2025	DEUTSCHE BANK AG\	0.12%	15.39K	438.59K	-4.5K	-22.63%
Dec 31, 2025	POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY	0.01%	1.03K	29.21K	0	0
Dec 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0.01%	989	28.19K	49	+5.21%
Dec 31, 2025	ROYAL BANK OF CANADA	0.01%	810	24K	-3.96K	-83.03%
Dec 31, 2025	STRS OHIO	0.01%	800	22.8K	0	0
Dec 31, 2025	LEGAL & GENERAL GROUP PLC	0%	473	13.48K	0	0
Dec 31, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0%	440	12.54M	-548	-55.47%
Dec 31, 2025	AMERITAS INVESTMENT PARTNERS, INC.	0%	389	11.09K	0	0
Dec 31, 2025	QUARRY LP	0%	304	8.66K	286	+1,588.89%
Dec 31, 2025	AMALGAMATED BANK	0%	146	4K	-5	-3.31%
Dec 31, 2025	STERLING CAPITAL MANAGEMENT LLC	0%	135	3.85K	13	+10.66%
Dec 31, 2025	CWM, LLC	0%	49	1K	49	+100.00%
Dec 31, 2025	NISA INVESTMENT ADVISORS, LLC	0%	12	342	12	+100.00%
Dec 31, 2025	GAMMA INVESTING LLC	0%	11	314	11	+100.00%
Dec 31, 2025	ALLWORTH FINANCIAL LP	0%	2	57	2	+100.00%
Dec 31, 2025	MORGAN STANLEY	0.32%	39.28K	1.12M	30.57K	+350.97%
Dec 31, 2025	JPMORGAN CHASE & CO	0.1%	12.69K	361.7K	10.81K	+576.13%
Dec 31, 2025	LOS ANGELES CAPITAL MANAGEMENT LLC	0.07%	8.66K	257.32K	8.66K	+100.00%
Dec 31, 2025	VANGUARD GROUP INC	2.63%	328.18K	9.35M	20.35K	+6.61%
Dec 31, 2025	SOFTBANK GROUP CORP.	1.19%	148.94K	4.24M	0	0
Dec 31, 2025	MILLENNIUM MANAGEMENT LLC	0.5%	62.02K	1.77M	62.02K	+100.00%
Dec 31, 2025	MAVERICK CAPITAL LTD	0.48%	59.25K	1.69M	0	0
Dec 31, 2025	SEVEN GRAND MANAGERS, LLC	0.4%	50K	1.43M	0	0
Dec 31, 2025	PEAK6 LLC	0.29%	35.84K	1.02M	-4.16K	-10.41%
Dec 31, 2025	UBS GROUP AG	0.29%	35.79K	1.02M	-5.64K	-13.62%
Dec 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.27%	33.83K	964.24K	2.98K	+9.66%
Sep 30, 2025	CITADEL ADVISORS LLC	0.48%	60K	1.8M	60K	+100.00%
Sep 30, 2025	JPMORGAN CHASE & CO	0.02%	1.88K	56.16K	1.88K	+100.00%
Sep 30, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.02%	2.17K	64.81K	2.17K	+100.00%
Sep 30, 2025	SBI SECURITIES CO., LTD.	0.03%	3.38K	101.04K	3.38K	+100.00%
Sep 30, 2025	RHUMBLINE ADVISERS	0.03%	3.98K	119.17K	3.98K	+100.00%
Sep 30, 2025	ROYAL BANK OF CANADA	0.04%	4.77K	143K	4.77K	+100.00%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0.05%	5.91K	176.89K	5.91K	+100.00%
Sep 30, 2025	BARCLAYS PLC	0.05%	6.57K	196.51K	6.57K	+100.00%
Sep 30, 2025	KINGSWOOD WEALTH ADVISORS, LLC	0.06%	6.9K	206.45K	6.9K	+100.00%
Sep 30, 2025	TWO SIGMA INVESTMENTS, LP	0.06%	7.47K	223.38K	7.47K	+100.00%
Sep 30, 2025	MORGAN STANLEY	0.07%	8.71K	260.63K	8.71K	+100.00%
Sep 30, 2025	FIRST EAGLE INVESTMENT MANAGEMENT, LLC	0.47%	58.9K	1.76M	58.9K	+100.00%
Sep 30, 2025	MAVERICK CAPITAL LTD	0.48%	59.25K	1.77M	59.25K	+100.00%
Sep 30, 2025	SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC	0.75%	93.6K	2.8M	93.6K	+100.00%
Sep 30, 2025	GILDER GAGNON HOWE & CO LLC	0.77%	95.75K	2.86M	95.75K	+100.00%
Sep 30, 2025	WASATCH ADVISORS LP	1.17%	145.43K	4.35M	145.43K	+100.00%
Sep 30, 2025	SOFTBANK GROUP CORP.	1.19%	148.94K	4.46M	148.94K	+100.00%
Sep 30, 2025	FORTRESS INVESTMENT GROUP LLC	1.2%	150K	4.49M	150K	+100.00%
Sep 30, 2025	QUARRY LP	0%	18	539	18	+100.00%
Sep 30, 2025	MASSMUTUAL TRUST CO FSB/ADV	0%	58	1.74K	58	+100.00%
Sep 30, 2025	STERLING CAPITAL MANAGEMENT LLC	0%	122	3.65K	122	+100.00%
Sep 30, 2025	HURLEY CAPITAL, LLC	0%	200	5.98K	200	+100.00%
Sep 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	988	29.56K	988	+100.00%
Sep 30, 2025	WHITTIER TRUST CO OF NEVADA INC	0.01%	1K	29.83K	1K	+100.00%
Sep 30, 2025	POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY	0.01%	1.03K	30.67K	1.03K	+100.00%
Sep 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0.01%	1.85K	56.09K	1.85K	+100.00%
Sep 30, 2025	FREESTONE GROVE PARTNERS LP	0.16%	20K	598.4K	20K	+100.00%
Sep 30, 2025	GHISALLO CAPITAL MANAGEMENT LLC	0.16%	20K	598.4K	20K	+100.00%
Sep 30, 2025	WALLEYE CAPITAL LLC	0.09%	11.56K	345.73K	11.56K	+100.00%
Sep 30, 2025	MONASHEE INVESTMENT MANAGEMENT LLC	1.6%	200K	5.98M	200K	+100.00%
Sep 30, 2025	SCHONFELD STRATEGIC ADVISORS LLC	2.2%	274.09K	8.2M	274.09K	+100.00%
Sep 30, 2025	INSPIRE INVESTING, LLC	0.12%	15.08K	451.07K	15.08K	+100.00%
Sep 30, 2025	KORNITZER CAPITAL MANAGEMENT INC /KS	0.14%	17K	508.64K	17K	+100.00%
Sep 30, 2025	GLOBAL RETIREMENT PARTNERS, LLC	0.1%	12K	358.92K	12K	+100.00%
Sep 30, 2025	VANGUARD GROUP INC	2.47%	307.84K	9.21M	307.84K	+100.00%
Sep 30, 2025	KADENSA CAPITAL LTD	3.17%	394.99K	11.82M	394.99K	+100.00%
Sep 30, 2025	ALLIANCEBERNSTEIN L.P.	3.5%	436.15K	13.05M	436.15K	+100.00%
Sep 30, 2025	ATREIDES MANAGEMENT, LP	5.49%	684.31K	20.47M	684.31K	+100.00%
Sep 30, 2025	ALYESKA INVESTMENT GROUP, L.P.	0.15%	18.71K	559.8K	18.71K	+100.00%
Sep 30, 2025	BLACKSTONE INC.	0.16%	20K	598.4K	20K	+100.00%
Sep 30, 2025	HOUND PARTNERS, LLC	0.16%	20K	598.4K	20K	+100.00%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.79%	98.03K	2.93M	98.03K	+100.00%
Sep 30, 2025	LMR PARTNERS LLP	0.32%	39.85K	1.19M	39.85K	+100.00%
Sep 30, 2025	SEVEN GRAND MANAGERS, LLC	0.4%	50K	1.5M	50K	+100.00%
Sep 30, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.25%	30.85K	923.09K	30.85K	+100.00%
Sep 30, 2025	STATE STREET CORP	0.58%	72.3K	2.16M	72.3K	+100.00%
Sep 30, 2025	SILVERCREST ASSET MANAGEMENT GROUP LLC	1.51%	188.69K	5.65M	188.69K	+100.00%
Sep 30, 2025	SQUAREPOINT OPS LLC	0.07%	9.25K	276.64K	9.25K	+100.00%
Sep 30, 2025	D. E. SHAW & CO., INC.	0.12%	15.17K	453.86K	15.17K	+100.00%
Sep 30, 2025	NORTHERN TRUST CORP	0.27%	33.97K	1.02M	33.97K	+100.00%
Sep 30, 2025	PEAK6 LLC	0.32%	40K	1.2M	40K	+100.00%
Sep 30, 2025	BANK OF NEW YORK MELLON CORP	0.09%	11.05K	330.71K	11.05K	+100.00%
Sep 30, 2025	XTX TOPCO LTD	0.21%	26.66K	797.73K	26.66K	+100.00%
Sep 30, 2025	GOLDMAN SACHS GROUP INC	0.97%	121.4K	3.63M	121.4K	+100.00%
Sep 30, 2025	BLACKROCK, INC.	2.34%	291.88K	8.73M	291.88K	+100.00%
Sep 30, 2025	READYSTATE ASSET MANAGEMENT LP	0.17%	21.5K	643.28K	21.5K	+100.00%
Sep 30, 2025	VERITION FUND MANAGEMENT LLC	0.24%	29.57K	884.79K	29.57K	+100.00%
Sep 30, 2025	AMERIPRISE FINANCIAL INC	0.18%	22.63K	677K	22.63K	+100.00%

Insiders

Insiders	Designation	Shares Held
ESAKA FUMIHIDE	Chief Executive Officer	391.19K
HANSON SCOTT MCLEAN	Chief Technology Officer	203.13K
CHEN SEAN CHIHHSIANG	President and COO	120.28K
WINZELER JEFFREY G	Chief Financial Officer	94.4K
CONNORS MICHELE KIM	General Counsel	60.55K
TAUTGES JOSEPH A	director	48.75K
CHEN TIMOTHY	director	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
May 27, 2026	CHEN TIMOTHY	SALE	81.57	3.26K	266.24K	0
May 15, 2026	CHEN SEAN CHIHHSIANG	SALE	71.37	23.33K	1.67M	120.28K
May 14, 2026	HANSON SCOTT MCLEAN	SALE	70.50	200	14.1K	203.13K
May 14, 2026	WINZELER JEFFREY G	SALE	70.65	82	5.79K	94.4K
May 14, 2026	ESAKA FUMIHIDE	SALE	70.02	60K	4.2M	391.19K
Apr 02, 2026	CONNORS MICHELE KIM	SALE	26.65	151	4.02K	60.55K
Jan 26, 2026	HANSON SCOTT MCLEAN	SALE	31.00	10K	310K	122.82K
Jan 26, 2026	TAUTGES JOSEPH A	SALE	31.00	7.8K	241.8K	48.75K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES104.83K8

NET SHARES-104.83K8

SHARES HELD1.04M8

% NET SHARES-110.07%0%

AMBQ Stock Ownership Breakdown

Ambiq Micro

Stock Outstanding Shares

Market Insider

Institutional Ownership

Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions

Stock Outstanding Shares

Market Insider

Institutional Ownership

Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions