How many institutions own KOSS 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 KOSS shares is 23, representing 35.7% of the company's common stock.

Who are the major shareholders selling Koss Corporation stock?

SBI SECURITIES CO., LTD., in the last quarter, reduced its stake in KOSS by -0.83% restricting it's holding to 120 shares of worth nearly $610.00. BANK OF AMERICA CORP /DE/ also lessened -13.71% of the KOSS shares from its portfolio, reducing its holding to 302 shares of worth $1.53K. BANGOR SAVINGS BANK also shunned KOSS shares holding by -100% last quarter which brought its holding to 0 shares worth -.

Investors who are buying KOSS stock?

As per its latest 13F filing, TOWER RESEARCH CAPITAL LLC (TRC) increased its stake in KOSS by 100% in the last quarter. The institutional holder raised its holding to 673 shares having worth more than $3.42K. TWO SIGMA INVESTMENTS, LP also added 100% more shares of KOSS to its portfolio, raising its holding to 13.36 thousand shares of worth $67.84K. UBS GROUP AG also increased its KOSS shares holding by 75.6% which brought its holding to 13.61 thousand shares worth $69.12K.

KOSS's major insiders: who are they?

The insider with the most stakes in KOSS is KOSS MICHAEL J , President and CEO at the company. Additionally, KOSS stock is highly held by 10 percent owner Nancy Koss 2012 Trust, Dated 12/20/12 and Vice President - Sales KOSS JOHN C JR among others.

Did an insider recently sell KOSS stock?

Company executives, directors, and other insiders own 43.57% percent of Koss Corporation's stock. Within the last six months, there have been 0 transaction(s) in which KOSS insiders have sold stock, totaling 0 shares. Insiders that have sold shares include KOSS MICHAEL J JR, KOSS JOHN C JR, and SMITH DAVID DONNAN.

Which insider recently purchased KOSS stock?

There have been 1 transaction(s) during the past 6-months in which Koss Corporation insiders have bought stock, totalling 2500 shares

How much of KOSS does insiders own?

Around 2.5K Koss Corporation shares are held by insiders, which represents about 43.57% of KOSS stock.

Who is the insider with the largest stake?

KOSS President and CEO, KOSS MICHAEL J holds the largest portfolio of the company's shares. KOSS shares owned by KOSS total nearly 774.91 thousand.

Which institution holds the most shares in KOSS?

SBI SECURITIES CO., LTD. is the largest institutional owner in KOSS which holds 120 shares worth $610.00 or 0% of the total KOSS shares outstanding followed by CREATIVE FINANCIAL DESIGNS INC /ADV with ownership of 300 shares representing 0% of the KOSS ownership. TOWER RESEARCH CAPITAL LLC (TRC) is the third largest stakeholder with 673 shares or 0.01% of the ownership worth more than $3.42K.

Is Koss Corporation 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 KOSS is concerned, it is a stock which is not optionable.

Is there a short position on KOSS's shares?

Number of KOSS shares short is 247.66K. 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 KOSS shares are there?

As of today, 9.38M shares of KOSS are outstanding.

Is there many float in KOSS 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, KOSS has 6.34M shares in float.

KOSS 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 KOSS is 0.72.

Koss (KOSS) 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

OptionableNo

Short Percent Of Outstanding Shares2.64

Short Percent Of Float5.07

Shares Outstanding9.38M

Shares Float6.34M

Shares Short247.66K

Short Ratio0.72

5.07%

Short % of Float

2.64%

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

43.57% Percentage of Shares held by All Insiders

35.7% Percentage of Shares held by All Institutions

63.27% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 35.7% of KOSS shares are held by financial institutions. SBI SECURITIES CO., LTD. is the top corporate investor, holding 120 shares valued at $610.00. A 0% stake in Koss Corporation is owned by the company. CREATIVE FINANCIAL DESIGNS INC /ADV owns 300 shares valued at $1.52K, which translates its holding of 0% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	SBI SECURITIES CO., LTD.	0%	120	610	-1	-0.83%
Sep 30, 2025	CREATIVE FINANCIAL DESIGNS INC /ADV	0%	300	1.52K	0	0
Sep 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	673	3.42K	673	+100.00%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0%	302	1.53K	-48	-13.71%
Sep 30, 2025	CREWE ADVISORS LLC	0%	20	102	0	0
Sep 30, 2025	NEWEDGE ADVISORS, LLC	0.11%	10.58K	53.72K	0	0
Sep 30, 2025	BANGOR SAVINGS BANK	0%	0	-	-150	-100.00%
Sep 30, 2025	JAMES INVESTMENT RESEARCH INC	0.11%	10.58K	53.72K	0	0
Sep 30, 2025	TWO SIGMA INVESTMENTS, LP	0.14%	13.36K	67.84K	13.36K	+100.00%
Sep 30, 2025	UBS GROUP AG	0.14%	13.61K	69.12K	5.86K	+75.60%
Sep 30, 2025	NORTHERN TRUST CORP	0.15%	14.42K	73.26K	-922	-6.01%
Sep 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.16%	14.56K	73.96K	14.56K	+100.00%
Sep 30, 2025	GOLDMAN SACHS GROUP INC	0.18%	17.01K	86.39K	17.01K	+100.00%
Sep 30, 2025	DIMENSIONAL FUND ADVISORS LP	0.25%	23.34K	118.58K	12.66K	+118.54%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.62%	58.44K	296.92K	111	+0.19%
Sep 30, 2025	BLACKROCK, INC.	0.94%	87.85K	446.29K	313	+0.36%
Sep 30, 2025	VANGUARD GROUP INC	2.62%	245.71K	1.25M	-802	-0.33%
Sep 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	50	310	0	0
Sep 30, 2025	STATE STREET CORP	0.19%	17.97K	91.31K	0	0
Sep 30, 2025	CITIGROUP INC	0.01%	978	4.97K	978	+100.00%
Sep 30, 2025	ACTIVEST WEALTH MANAGEMENT	0.01%	1K	5.08K	0	0
Sep 30, 2025	ROYAL BANK OF CANADA	0.01%	1.02K	5K	-425	-29.43%
Sep 30, 2025	MORGAN STANLEY	0.03%	3.08K	15.65K	-1.61K	-34.37%
Sep 30, 2025	PNC FINANCIAL SERVICES GROUP, INC.	0.07%	7K	35.56K	0	0
Sep 30, 2025	LIDO ADVISORS, LLC	0%	0	-	-2.89M	-100.00%
Jun 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.62%	58.33K	297.52K	-2.31K	-3.81%
Jun 30, 2025	PNC FINANCIAL SERVICES GROUP, INC.	0.07%	7K	35.7K	0	0
Jun 30, 2025	BANK OF AMERICA CORP /DE/	0%	350	1.79K	204	+139.73%
Jun 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	50	255	0	0
Jun 30, 2025	CREWE ADVISORS LLC	0%	20	102	0	0
Jun 30, 2025	PSI ADVISORS, LLC	0%	0	-	-20	-100.00%
Jun 30, 2025	N.E.W. ADVISORY SERVICES LLC	0%	0	-	-2K	-100.00%
Jun 30, 2025	UBS GROUP AG	0.08%	7.75K	39.52K	57	+0.74%
Jun 30, 2025	JAMES INVESTMENT RESEARCH INC	0.11%	10.58K	53.93K	0	0
Jun 30, 2025	NEWEDGE ADVISORS, LLC	0.11%	10.58K	53.93K	0	0
Jun 30, 2025	DIMENSIONAL FUND ADVISORS LP	0.11%	10.68K	54.47K	10.68K	+100.00%
Jun 30, 2025	SBI SECURITIES CO., LTD.	0%	121	617	0	0
Jun 30, 2025	NORTHERN TRUST CORP	0.16%	15.34K	78.25K	3.23K	+26.63%
Jun 30, 2025	STATE STREET CORP	0.19%	17.97K	91.67K	0	0
Jun 30, 2025	VANGUARD GROUP INC	2.63%	246.51K	1.26M	-6.24K	-2.47%
Jun 30, 2025	ROYAL BANK OF CANADA	0.02%	1.44K	7K	776	+116.17%
Jun 30, 2025	MORGAN STANLEY	0.05%	4.69K	23.93K	1.61K	+52.37%
Jun 30, 2025	GUARDIAN WEALTH MANAGEMENT, INC.	0%	0	-	-7	-100.00%
Jun 30, 2025	CITIGROUP INC	0%	0	-	-28	-100.00%
Jun 30, 2025	CREATIVE FINANCIAL DESIGNS INC /ADV	0%	300	1.53K	0	0
Jun 30, 2025	LIDO ADVISORS, LLC	30.85%	2.89M	14.75M	0	0
Jun 30, 2025		0%	121	617	0	0
Jun 30, 2025	BLACKROCK, INC.	0.93%	87.54K	446.46K	12.77K	+17.09%
Jun 30, 2025	BANGOR SAVINGS BANK	0%	150	765	150	+100.00%
Jun 30, 2025	ACTIVEST WEALTH MANAGEMENT	0.01%	1K	5.1K	0	0
Mar 31, 2025	NELSON, VAN DENBURG & CAMPBELL WEALTH MANAGEMENT GROUP, LLC	0%	0	-	-7	-100.00%
Mar 31, 2025	ROYAL BANK OF CANADA	0.01%	668	3K	-62	-8.49%
Mar 31, 2025	CREATIVE FINANCIAL DESIGNS INC /ADV	0%	300	1.42K	0	0
Mar 31, 2025	BANK OF AMERICA CORP /DE/	0%	146	689	103	+239.53%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.65%	60.64K	286.26K	480	+0.80%
Mar 31, 2025	STATE STREET CORP	0.19%	17.97K	84.84K	0	0
Mar 31, 2025	NORTHERN TRUST CORP	0.13%	12.12K	57.19K	-47	-0.39%
Mar 31, 2025	N.E.W. ADVISORY SERVICES LLC	0.02%	2K	9.44K	2K	+100.00%
Mar 31, 2025	ACTIVEST WEALTH MANAGEMENT	0.01%	1K	4.72K	0	0
Mar 31, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	50	236	0	0
Mar 31, 2025	CITIGROUP INC	0%	28	132	28	+100.00%
Mar 31, 2025	CREWE ADVISORS LLC	0%	20	95	0	0
Mar 31, 2025	LIDO ADVISORS, LLC	30.85%	2.89M	13.65M	2.89M	+100.00%
Mar 31, 2025	VANGUARD GROUP INC	2.7%	252.75K	1.19M	1.81K	+0.72%
Mar 31, 2025	MARSHALL WACE, LLP	0%	0	-	-60.58K	-100.00%
Mar 31, 2025	JAMES INVESTMENT RESEARCH INC	0.11%	10.58K	49.91K	0	0
Mar 31, 2025	NEWEDGE ADVISORS, LLC	0.11%	10.58K	49.91K	0	0
Mar 31, 2025	UBS GROUP AG	0.08%	7.69K	36.31K	3.77K	+96.27%
Mar 31, 2025	PNC FINANCIAL SERVICES GROUP, INC.	0.07%	7K	33.04K	0	0
Mar 31, 2025	PSI ADVISORS, LLC	0%	20	94	0	0
Mar 31, 2025	BLACKROCK, INC.	0.8%	74.77K	352.9K	-740	-0.98%
Mar 31, 2025	MORGAN STANLEY	0.03%	3.08K	14.54K	1K	+48.08%
Mar 31, 2025	GUARDIAN WEALTH MANAGEMENT, INC.	0%	7	33	1	+16.67%
Mar 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	0	-	-24	-100.00%
Mar 31, 2025	CITADEL ADVISORS LLC	0%	0	-	-28.73K	-100.00%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0%	0	-	-13.92K	-100.00%
Mar 31, 2025	VIRTU FINANCIAL LLC	0%	0	-	-12.4K	-100.00%
Mar 31, 2025	JANE STREET GROUP, LLC	0%	0	-	-16.98K	-100.00%
Mar 31, 2025		0%	0	-	-1K	-100.00%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0%	41	105	1	+2.50%
Mar 31, 2024	JPMORGAN CHASE & CO	0%	11	28	4	+57.14%
Mar 31, 2024	NORTH STAR INVESTMENT MANAGEMENT CORP.	0%	60	154	60	+100.00%
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	1.47%	136.15K	349.89K	-360	-0.26%
Mar 31, 2024	VANGUARD GROUP INC	2.84%	262.51K	674.64K	0	0
Mar 31, 2024	UBS GROUP AG	0%	0	-	-5.05K	-100.00%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	0%	0	-	-3	-100.00%
Mar 31, 2024	BNP PARIBAS ARBITRAGE, SNC	0%	6	15	0	0
Mar 31, 2024	NELSON, VAN DENBURG & CAMPBELL WEALTH MANAGEMENT GROUP, LLC	0%	7	17	0	0
Mar 31, 2024	FMR LLC	0%	27	68	27	+100.00%
Mar 31, 2024	STEWARD PARTNERS INVESTMENT ADVISORY, LLC	0%	49	126	0	0
Mar 31, 2024	ADVISOR GROUP HOLDINGS, INC.	0%	116	298	0	0
Mar 31, 2024	CREATIVE FINANCIAL DESIGNS INC /ADV	0%	300	771	0	0
Mar 31, 2024	TOWER RESEARCH CAPITAL LLC (TRC)	0.03%	2.48K	6.38K	1.68K	+208.97%
Mar 31, 2024	PNC FINANCIAL SERVICES GROUP, INC.	0.08%	7K	17.99K	0	0
Mar 31, 2024	NORTHERN TRUST CORP	0.13%	12.31K	31.64K	0	0
Mar 31, 2024	QUBE RESEARCH & TECHNOLOGIES LTD	0%	50	129	0	0
Mar 31, 2024	CITADEL ADVISORS LLC	0.16%	14.62K	37.57K	14.62K	+100.00%
Mar 31, 2024	STATE STREET CORP	0.19%	17.97K	46.19K	0	0
Mar 31, 2024	RENAISSANCE TECHNOLOGIES LLC	0.25%	22.66K	58K	9.56K	+72.98%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	0.64%	59.47K	152.85K	0	0
Mar 31, 2024	BLACKROCK INC.	0.67%	61.89K	159.06K	-641	-1.03%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	0.64%	59.47K	199.24K	0	0
Dec 31, 2023	BLACKROCK INC.	0.68%	62.53K	209.48K	-120	-0.19%
Dec 31, 2023	VANGUARD GROUP INC	2.84%	262.51K	879.4K	3.49K	+1.35%
Dec 31, 2023	IAG WEALTH PARTNERS, LLC	0%	0	-	-1K	-100.00%
Dec 31, 2023	ROYAL BANK OF CANADA	0%	0	-	-1.73K	-100.00%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0%	3	10	3	+100.00%
Dec 31, 2023	BNP PARIBAS ARBITRAGE, SNC	0%	6	20	0	0
Dec 31, 2023	NELSON, VAN DENBURG & CAMPBELL WEALTH MANAGEMENT GROUP, LLC	0%	7	23	0	0
Dec 31, 2023	JPMORGAN CHASE & CO	0%	7	23	2	+40.00%
Dec 31, 2023	DIMENSIONAL FUND ADVISORS LP	1.48%	136.51K	457.29K	2.51K	+1.88%
Dec 31, 2023	WELLS FARGO & COMPANY/MN	0%	40	134	2	+5.26%
Dec 31, 2023	STEWARD PARTNERS INVESTMENT ADVISORY, LLC	0%	49	164	0	0
Dec 31, 2023	QUBE RESEARCH & TECHNOLOGIES LTD	0%	50	168	0	0
Dec 31, 2023	ADVISOR GROUP HOLDINGS, INC.	0%	116	388	0	0
Dec 31, 2023	CREATIVE FINANCIAL DESIGNS INC /ADV	0%	300	1.01K	0	0
Dec 31, 2023	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	803	2.69K	219	+37.50%
Dec 31, 2023	UBS GROUP AG	0.05%	5.05K	16.91K	5.05K	+504,700.00%
Dec 31, 2023	PNC FINANCIAL SERVICES GROUP, INC.	0.08%	7K	23.45K	0	0
Dec 31, 2023	NORTHERN TRUST CORP	0.13%	12.31K	41.25K	-3.66K	-22.90%
Dec 31, 2023	RENAISSANCE TECHNOLOGIES LLC	0.14%	13.1K	44K	2.5K	+23.58%
Dec 31, 2023	STATE STREET CORP	0.19%	17.97K	60.21K	0	0

Insiders

Among the KOSS insiders holding of 43.57% of the stake in company, KOSS MICHAEL J, President and CEO, holds the largest shares of 774.91K. NANCY KOSS 2012 TRUST, DATED 12/20/12, 10 percent owner, is the second largest KOSS insider with ownership of 757.95K shares. KOSS JOHN C JR, Vice President - Sales, stands third with possession of 196.03K shares of that stake.

Insiders	Designation	Shares Held
KOSS MICHAEL J	President and CEO	774.91K
NANCY KOSS 2012 TRUST, DATED 12/20/12	10 percent owner	757.95K
KOSS JOHN C JR	Vice President - Sales	196.03K
KOSS MICHAEL J JR	VP - Marketing & Product	26K
SWEASY WILLIAM JESSE		20K
LILLIE LENORE	director	2.5K
NIXON THEODORE	director	0
LEVEEN STEVEN A	director	0
SMITH DAVID DONNAN	Chief Financial Officer	0
DOERR THOMAS L.	director	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Dec 02, 2025	LILLIE LENORE	PURCHASE	4.96	2.5K	12.4K	2.5K
Jun 13, 2025	KOSS MICHAEL J JR	SALE	4.78	24.64K	117.79K	26K
Jun 12, 2025	KOSS MICHAEL J JR	SALE	4.91	6K	29.46K	26K
Jun 12, 2025	KOSS JOHN C JR	SALE	5.02	1.5K	7.53K	196.03K
Jun 11, 2025	KOSS JOHN C JR	SALE	5.65	23.5K	132.78K	196.03K
Jun 10, 2025	KOSS JOHN C JR	SALE	5.80	25K	145K	196.03K
Dec 12, 2024	KOSS JOHN C JR	SALE	7.39	25K	184.73K	196.03K
May 20, 2024	KOSS JOHN C JR	SALE	5.25	25K	131.25K	196.03K
Jun 02, 2022	SWEASY WILLIAM JESSE	PURCHASE	7.30	2.85K	20.78K	20K
Jun 01, 2022	SWEASY WILLIAM JESSE	PURCHASE	6.96	17.15K	119.38K	17.15K
Nov 02, 2021	SMITH DAVID DONNAN	SALE	15.54	10K	155.4K	0
Sep 15, 2021	KOSS MICHAEL J JR	SALE	17.74	24.09K	427.34K	26K
Sep 01, 2021	KOSS MICHAEL J	SALE	18.75	780	14.63K	774.91K
Aug 31, 2021	KOSS JOHN C JR	SALE	18.38	10K	183.8K	151.03K
Aug 31, 2021	KOSS MICHAEL J	SALE	18.51	9.22K	170.66K	774.91K
Aug 30, 2021	KOSS JOHN C JR	SALE	18.26	5K	91.3K	151.03K
Aug 30, 2021	KOSS MICHAEL J	SALE	18.28	5.4K	98.71K	774.91K
Aug 27, 2021	KOSS JOHN C JR	SALE	18.06	10K	180.6K	151.03K
Aug 27, 2021	KOSS MICHAEL J	SALE	18.06	4.6K	83.08K	774.91K
Aug 26, 2021	KOSS MICHAEL J	SALE	18.33	8.5K	155.81K	774.91K
Aug 25, 2021	KOSS MICHAEL J JR	SALE	18.01	30K	540.3K	26K
Aug 24, 2021	SMITH DAVID DONNAN	SALE	17.64	110K	1.94M	0
Aug 24, 2021	KOSS JOHN C JR	SALE	20.06	25K	501.5K	151.03K
Aug 24, 2021	KOSS MICHAEL J	SALE	19.74	16.5K	325.71K	774.91K
Jul 01, 2021	LILLIE LENORE	SALE	22.27	15K	334.05K	0
Jul 01, 2021	SMITH DAVID DONNAN	SALE	23.00	7.5K	172.5K	0
Jun 15, 2021	KOSS MICHAEL J JR	SALE	24.30	10K	243K	26K
Jun 15, 2021	KOSS JOHN C JR	SALE	24.22	5K	121.1K	151.03K
Jun 14, 2021	KOSS JOHN C JR	SALE	25.20	3K	75.6K	156.03K
Jun 09, 2021	KOSS JOHN C JR	SALE	27.00	5K	135K	159.03K
Jun 08, 2021	KOSS JOHN C JR	SALE	30.00	8.13K	243.99K	164.03K
Jun 03, 2021	KOSS JOHN C JR	SALE	35.36	5K	176.8K	172.16K
Jun 02, 2021	KOSS MICHAEL J JR	SALE	40.51	10K	405.1K	36K
Jun 02, 2021	KOSS MICHAEL J	SALE	43.00	5K	215K	27K
Jun 02, 2021	KOSS JOHN C JR	SALE	28.00	5K	140K	192.16K
Jun 01, 2021	KOSS MICHAEL J	SALE	25.04	11.78K	294.95K	774.91K
Jun 01, 2021	KOSS JOHN C JR	SALE	25.00	5K	125K	197.16K
May 28, 2021	KOSS JOHN C JR	SALE	23.50	10K	235K	202.16K
May 28, 2021	NIXON THEODORE	SALE	23.58	10K	235.8K	0
May 26, 2021	KOSS MICHAEL J	SALE	21.26	9K	191.34K	774.91K
May 18, 2021	DOERR THOMAS L.	SALE	18.83	3.33K	62.76K	0
Apr 01, 2021	SMITH DAVID DONNAN	SALE	24.24	5.5K	133.32K	0
Apr 01, 2021	LILLIE LENORE	SALE	22.12	4.5K	99.54K	0
Mar 12, 2021	KOSS MICHAEL J	SALE	29.99	4.12K	123.62K	37K
Mar 10, 2021	KOSS JOHN C JR	SALE	36.72	4K	146.88K	217.16K
Mar 10, 2021	KOSS MICHAEL J	SALE	38.05	10K	380.5K	41.12K
Mar 01, 2021	LILLIE LENORE	SALE	16.50	22.45K	370.43K	0
Mar 01, 2021	SMITH DAVID DONNAN	SALE	17.01	1K	17.01K	0
Feb 25, 2021	KOSS MICHAEL J JR	SALE	32.89	11K	361.79K	46K
Feb 25, 2021	KOSS JOHN C JR	SALE	30.13	10K	301.3K	256.16K
Feb 25, 2021	KOSS MICHAEL J	SALE	32.50	10K	325K	55.12K
Feb 04, 2021	KOSS JOHN C JR	SALE	24.00	5K	120K	266.16K
Feb 03, 2021	KOSS JOHN C JR	SALE	25.44	10K	254.4K	271.16K
Feb 03, 2021	KOSS MICHAEL J	SALE	27.13	11K	298.43K	65.12K
Feb 02, 2021	NANCY KOSS 2012 TRUST, DATED 12/20/12	SALE	19.84	30K	595.2K	757.95K
Feb 02, 2021	LILLIE LENORE	SALE	21.60	3K	64.8K	30.09K
Feb 01, 2021	LILLIE LENORE	SALE	46.25	6K	277.5K	65.09K
Feb 01, 2021	SWEASY WILLIAM JESSE	SALE	40.00	20K	800K	0
Feb 01, 2021	NANCY KOSS 2012 TRUST, DATED 12/20/12	SALE	35.01	20K	700.2K	787.95K
Feb 01, 2021	DOERR THOMAS L.	SALE	42.02	6.67K	280.15K	0
Feb 01, 2021	NIXON THEODORE	SALE	43.78	30K	1.31M	0
Feb 01, 2021	LEVEEN STEVEN A	SALE	38.25	5K	191.25K	0

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE2.5K1

SALES00

NET SHARES2.5K1

SHARES HELD2.5K1

% NET SHARES0%0%

Frequently Asked Questions

Stock Outstanding Shares

ShortableYes

OptionableNo

Short Percent Of Outstanding Shares2.64

Short Percent Of Float5.07

Shares Outstanding9.38M

Shares Float6.34M

Shares Short247.66K

Short Ratio0.72

5.07%

Short % of Float

2.64%

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

43.57% Percentage of Shares held by All Insiders

35.7% Percentage of Shares held by All Institutions

63.27% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	SBI SECURITIES CO., LTD.	0%	120	610	-1	-0.83%
Sep 30, 2025	CREATIVE FINANCIAL DESIGNS INC /ADV	0%	300	1.52K	0	0
Sep 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	673	3.42K	673	+100.00%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0%	302	1.53K	-48	-13.71%
Sep 30, 2025	CREWE ADVISORS LLC	0%	20	102	0	0
Sep 30, 2025	NEWEDGE ADVISORS, LLC	0.11%	10.58K	53.72K	0	0
Sep 30, 2025	BANGOR SAVINGS BANK	0%	0	-	-150	-100.00%
Sep 30, 2025	JAMES INVESTMENT RESEARCH INC	0.11%	10.58K	53.72K	0	0
Sep 30, 2025	TWO SIGMA INVESTMENTS, LP	0.14%	13.36K	67.84K	13.36K	+100.00%
Sep 30, 2025	UBS GROUP AG	0.14%	13.61K	69.12K	5.86K	+75.60%
Sep 30, 2025	NORTHERN TRUST CORP	0.15%	14.42K	73.26K	-922	-6.01%
Sep 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.16%	14.56K	73.96K	14.56K	+100.00%
Sep 30, 2025	GOLDMAN SACHS GROUP INC	0.18%	17.01K	86.39K	17.01K	+100.00%
Sep 30, 2025	DIMENSIONAL FUND ADVISORS LP	0.25%	23.34K	118.58K	12.66K	+118.54%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.62%	58.44K	296.92K	111	+0.19%
Sep 30, 2025	BLACKROCK, INC.	0.94%	87.85K	446.29K	313	+0.36%
Sep 30, 2025	VANGUARD GROUP INC	2.62%	245.71K	1.25M	-802	-0.33%
Sep 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	50	310	0	0
Sep 30, 2025	STATE STREET CORP	0.19%	17.97K	91.31K	0	0
Sep 30, 2025	CITIGROUP INC	0.01%	978	4.97K	978	+100.00%
Sep 30, 2025	ACTIVEST WEALTH MANAGEMENT	0.01%	1K	5.08K	0	0
Sep 30, 2025	ROYAL BANK OF CANADA	0.01%	1.02K	5K	-425	-29.43%
Sep 30, 2025	MORGAN STANLEY	0.03%	3.08K	15.65K	-1.61K	-34.37%
Sep 30, 2025	PNC FINANCIAL SERVICES GROUP, INC.	0.07%	7K	35.56K	0	0
Sep 30, 2025	LIDO ADVISORS, LLC	0%	0	-	-2.89M	-100.00%
Jun 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.62%	58.33K	297.52K	-2.31K	-3.81%
Jun 30, 2025	PNC FINANCIAL SERVICES GROUP, INC.	0.07%	7K	35.7K	0	0
Jun 30, 2025	BANK OF AMERICA CORP /DE/	0%	350	1.79K	204	+139.73%
Jun 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	50	255	0	0
Jun 30, 2025	CREWE ADVISORS LLC	0%	20	102	0	0
Jun 30, 2025	PSI ADVISORS, LLC	0%	0	-	-20	-100.00%
Jun 30, 2025	N.E.W. ADVISORY SERVICES LLC	0%	0	-	-2K	-100.00%
Jun 30, 2025	UBS GROUP AG	0.08%	7.75K	39.52K	57	+0.74%
Jun 30, 2025	JAMES INVESTMENT RESEARCH INC	0.11%	10.58K	53.93K	0	0
Jun 30, 2025	NEWEDGE ADVISORS, LLC	0.11%	10.58K	53.93K	0	0
Jun 30, 2025	DIMENSIONAL FUND ADVISORS LP	0.11%	10.68K	54.47K	10.68K	+100.00%
Jun 30, 2025	SBI SECURITIES CO., LTD.	0%	121	617	0	0
Jun 30, 2025	NORTHERN TRUST CORP	0.16%	15.34K	78.25K	3.23K	+26.63%
Jun 30, 2025	STATE STREET CORP	0.19%	17.97K	91.67K	0	0
Jun 30, 2025	VANGUARD GROUP INC	2.63%	246.51K	1.26M	-6.24K	-2.47%
Jun 30, 2025	ROYAL BANK OF CANADA	0.02%	1.44K	7K	776	+116.17%
Jun 30, 2025	MORGAN STANLEY	0.05%	4.69K	23.93K	1.61K	+52.37%
Jun 30, 2025	GUARDIAN WEALTH MANAGEMENT, INC.	0%	0	-	-7	-100.00%
Jun 30, 2025	CITIGROUP INC	0%	0	-	-28	-100.00%
Jun 30, 2025	CREATIVE FINANCIAL DESIGNS INC /ADV	0%	300	1.53K	0	0
Jun 30, 2025	LIDO ADVISORS, LLC	30.85%	2.89M	14.75M	0	0
Jun 30, 2025		0%	121	617	0	0
Jun 30, 2025	BLACKROCK, INC.	0.93%	87.54K	446.46K	12.77K	+17.09%
Jun 30, 2025	BANGOR SAVINGS BANK	0%	150	765	150	+100.00%
Jun 30, 2025	ACTIVEST WEALTH MANAGEMENT	0.01%	1K	5.1K	0	0
Mar 31, 2025	NELSON, VAN DENBURG & CAMPBELL WEALTH MANAGEMENT GROUP, LLC	0%	0	-	-7	-100.00%
Mar 31, 2025	ROYAL BANK OF CANADA	0.01%	668	3K	-62	-8.49%
Mar 31, 2025	CREATIVE FINANCIAL DESIGNS INC /ADV	0%	300	1.42K	0	0
Mar 31, 2025	BANK OF AMERICA CORP /DE/	0%	146	689	103	+239.53%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.65%	60.64K	286.26K	480	+0.80%
Mar 31, 2025	STATE STREET CORP	0.19%	17.97K	84.84K	0	0
Mar 31, 2025	NORTHERN TRUST CORP	0.13%	12.12K	57.19K	-47	-0.39%
Mar 31, 2025	N.E.W. ADVISORY SERVICES LLC	0.02%	2K	9.44K	2K	+100.00%
Mar 31, 2025	ACTIVEST WEALTH MANAGEMENT	0.01%	1K	4.72K	0	0
Mar 31, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	50	236	0	0
Mar 31, 2025	CITIGROUP INC	0%	28	132	28	+100.00%
Mar 31, 2025	CREWE ADVISORS LLC	0%	20	95	0	0
Mar 31, 2025	LIDO ADVISORS, LLC	30.85%	2.89M	13.65M	2.89M	+100.00%
Mar 31, 2025	VANGUARD GROUP INC	2.7%	252.75K	1.19M	1.81K	+0.72%
Mar 31, 2025	MARSHALL WACE, LLP	0%	0	-	-60.58K	-100.00%
Mar 31, 2025	JAMES INVESTMENT RESEARCH INC	0.11%	10.58K	49.91K	0	0
Mar 31, 2025	NEWEDGE ADVISORS, LLC	0.11%	10.58K	49.91K	0	0
Mar 31, 2025	UBS GROUP AG	0.08%	7.69K	36.31K	3.77K	+96.27%
Mar 31, 2025	PNC FINANCIAL SERVICES GROUP, INC.	0.07%	7K	33.04K	0	0
Mar 31, 2025	PSI ADVISORS, LLC	0%	20	94	0	0
Mar 31, 2025	BLACKROCK, INC.	0.8%	74.77K	352.9K	-740	-0.98%
Mar 31, 2025	MORGAN STANLEY	0.03%	3.08K	14.54K	1K	+48.08%
Mar 31, 2025	GUARDIAN WEALTH MANAGEMENT, INC.	0%	7	33	1	+16.67%
Mar 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	0	-	-24	-100.00%
Mar 31, 2025	CITADEL ADVISORS LLC	0%	0	-	-28.73K	-100.00%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0%	0	-	-13.92K	-100.00%
Mar 31, 2025	VIRTU FINANCIAL LLC	0%	0	-	-12.4K	-100.00%
Mar 31, 2025	JANE STREET GROUP, LLC	0%	0	-	-16.98K	-100.00%
Mar 31, 2025		0%	0	-	-1K	-100.00%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0%	41	105	1	+2.50%
Mar 31, 2024	JPMORGAN CHASE & CO	0%	11	28	4	+57.14%
Mar 31, 2024	NORTH STAR INVESTMENT MANAGEMENT CORP.	0%	60	154	60	+100.00%
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	1.47%	136.15K	349.89K	-360	-0.26%
Mar 31, 2024	VANGUARD GROUP INC	2.84%	262.51K	674.64K	0	0
Mar 31, 2024	UBS GROUP AG	0%	0	-	-5.05K	-100.00%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	0%	0	-	-3	-100.00%
Mar 31, 2024	BNP PARIBAS ARBITRAGE, SNC	0%	6	15	0	0
Mar 31, 2024	NELSON, VAN DENBURG & CAMPBELL WEALTH MANAGEMENT GROUP, LLC	0%	7	17	0	0
Mar 31, 2024	FMR LLC	0%	27	68	27	+100.00%
Mar 31, 2024	STEWARD PARTNERS INVESTMENT ADVISORY, LLC	0%	49	126	0	0
Mar 31, 2024	ADVISOR GROUP HOLDINGS, INC.	0%	116	298	0	0
Mar 31, 2024	CREATIVE FINANCIAL DESIGNS INC /ADV	0%	300	771	0	0
Mar 31, 2024	TOWER RESEARCH CAPITAL LLC (TRC)	0.03%	2.48K	6.38K	1.68K	+208.97%
Mar 31, 2024	PNC FINANCIAL SERVICES GROUP, INC.	0.08%	7K	17.99K	0	0
Mar 31, 2024	NORTHERN TRUST CORP	0.13%	12.31K	31.64K	0	0
Mar 31, 2024	QUBE RESEARCH & TECHNOLOGIES LTD	0%	50	129	0	0
Mar 31, 2024	CITADEL ADVISORS LLC	0.16%	14.62K	37.57K	14.62K	+100.00%
Mar 31, 2024	STATE STREET CORP	0.19%	17.97K	46.19K	0	0
Mar 31, 2024	RENAISSANCE TECHNOLOGIES LLC	0.25%	22.66K	58K	9.56K	+72.98%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	0.64%	59.47K	152.85K	0	0
Mar 31, 2024	BLACKROCK INC.	0.67%	61.89K	159.06K	-641	-1.03%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	0.64%	59.47K	199.24K	0	0
Dec 31, 2023	BLACKROCK INC.	0.68%	62.53K	209.48K	-120	-0.19%
Dec 31, 2023	VANGUARD GROUP INC	2.84%	262.51K	879.4K	3.49K	+1.35%
Dec 31, 2023	IAG WEALTH PARTNERS, LLC	0%	0	-	-1K	-100.00%
Dec 31, 2023	ROYAL BANK OF CANADA	0%	0	-	-1.73K	-100.00%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0%	3	10	3	+100.00%
Dec 31, 2023	BNP PARIBAS ARBITRAGE, SNC	0%	6	20	0	0
Dec 31, 2023	NELSON, VAN DENBURG & CAMPBELL WEALTH MANAGEMENT GROUP, LLC	0%	7	23	0	0
Dec 31, 2023	JPMORGAN CHASE & CO	0%	7	23	2	+40.00%
Dec 31, 2023	DIMENSIONAL FUND ADVISORS LP	1.48%	136.51K	457.29K	2.51K	+1.88%
Dec 31, 2023	WELLS FARGO & COMPANY/MN	0%	40	134	2	+5.26%
Dec 31, 2023	STEWARD PARTNERS INVESTMENT ADVISORY, LLC	0%	49	164	0	0
Dec 31, 2023	QUBE RESEARCH & TECHNOLOGIES LTD	0%	50	168	0	0
Dec 31, 2023	ADVISOR GROUP HOLDINGS, INC.	0%	116	388	0	0
Dec 31, 2023	CREATIVE FINANCIAL DESIGNS INC /ADV	0%	300	1.01K	0	0
Dec 31, 2023	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	803	2.69K	219	+37.50%
Dec 31, 2023	UBS GROUP AG	0.05%	5.05K	16.91K	5.05K	+504,700.00%
Dec 31, 2023	PNC FINANCIAL SERVICES GROUP, INC.	0.08%	7K	23.45K	0	0
Dec 31, 2023	NORTHERN TRUST CORP	0.13%	12.31K	41.25K	-3.66K	-22.90%
Dec 31, 2023	RENAISSANCE TECHNOLOGIES LLC	0.14%	13.1K	44K	2.5K	+23.58%
Dec 31, 2023	STATE STREET CORP	0.19%	17.97K	60.21K	0	0

Insiders

Insiders	Designation	Shares Held
KOSS MICHAEL J	President and CEO	774.91K
NANCY KOSS 2012 TRUST, DATED 12/20/12	10 percent owner	757.95K
KOSS JOHN C JR	Vice President - Sales	196.03K
KOSS MICHAEL J JR	VP - Marketing & Product	26K
SWEASY WILLIAM JESSE		20K
LILLIE LENORE	director	2.5K
NIXON THEODORE	director	0
LEVEEN STEVEN A	director	0
SMITH DAVID DONNAN	Chief Financial Officer	0
DOERR THOMAS L.	director	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Dec 02, 2025	LILLIE LENORE	PURCHASE	4.96	2.5K	12.4K	2.5K
Jun 13, 2025	KOSS MICHAEL J JR	SALE	4.78	24.64K	117.79K	26K
Jun 12, 2025	KOSS MICHAEL J JR	SALE	4.91	6K	29.46K	26K
Jun 12, 2025	KOSS JOHN C JR	SALE	5.02	1.5K	7.53K	196.03K
Jun 11, 2025	KOSS JOHN C JR	SALE	5.65	23.5K	132.78K	196.03K
Jun 10, 2025	KOSS JOHN C JR	SALE	5.80	25K	145K	196.03K
Dec 12, 2024	KOSS JOHN C JR	SALE	7.39	25K	184.73K	196.03K
May 20, 2024	KOSS JOHN C JR	SALE	5.25	25K	131.25K	196.03K
Jun 02, 2022	SWEASY WILLIAM JESSE	PURCHASE	7.30	2.85K	20.78K	20K
Jun 01, 2022	SWEASY WILLIAM JESSE	PURCHASE	6.96	17.15K	119.38K	17.15K
Nov 02, 2021	SMITH DAVID DONNAN	SALE	15.54	10K	155.4K	0
Sep 15, 2021	KOSS MICHAEL J JR	SALE	17.74	24.09K	427.34K	26K
Sep 01, 2021	KOSS MICHAEL J	SALE	18.75	780	14.63K	774.91K
Aug 31, 2021	KOSS JOHN C JR	SALE	18.38	10K	183.8K	151.03K
Aug 31, 2021	KOSS MICHAEL J	SALE	18.51	9.22K	170.66K	774.91K
Aug 30, 2021	KOSS JOHN C JR	SALE	18.26	5K	91.3K	151.03K
Aug 30, 2021	KOSS MICHAEL J	SALE	18.28	5.4K	98.71K	774.91K
Aug 27, 2021	KOSS JOHN C JR	SALE	18.06	10K	180.6K	151.03K
Aug 27, 2021	KOSS MICHAEL J	SALE	18.06	4.6K	83.08K	774.91K
Aug 26, 2021	KOSS MICHAEL J	SALE	18.33	8.5K	155.81K	774.91K
Aug 25, 2021	KOSS MICHAEL J JR	SALE	18.01	30K	540.3K	26K
Aug 24, 2021	SMITH DAVID DONNAN	SALE	17.64	110K	1.94M	0
Aug 24, 2021	KOSS JOHN C JR	SALE	20.06	25K	501.5K	151.03K
Aug 24, 2021	KOSS MICHAEL J	SALE	19.74	16.5K	325.71K	774.91K
Jul 01, 2021	LILLIE LENORE	SALE	22.27	15K	334.05K	0
Jul 01, 2021	SMITH DAVID DONNAN	SALE	23.00	7.5K	172.5K	0
Jun 15, 2021	KOSS MICHAEL J JR	SALE	24.30	10K	243K	26K
Jun 15, 2021	KOSS JOHN C JR	SALE	24.22	5K	121.1K	151.03K
Jun 14, 2021	KOSS JOHN C JR	SALE	25.20	3K	75.6K	156.03K
Jun 09, 2021	KOSS JOHN C JR	SALE	27.00	5K	135K	159.03K
Jun 08, 2021	KOSS JOHN C JR	SALE	30.00	8.13K	243.99K	164.03K
Jun 03, 2021	KOSS JOHN C JR	SALE	35.36	5K	176.8K	172.16K
Jun 02, 2021	KOSS MICHAEL J JR	SALE	40.51	10K	405.1K	36K
Jun 02, 2021	KOSS MICHAEL J	SALE	43.00	5K	215K	27K
Jun 02, 2021	KOSS JOHN C JR	SALE	28.00	5K	140K	192.16K
Jun 01, 2021	KOSS MICHAEL J	SALE	25.04	11.78K	294.95K	774.91K
Jun 01, 2021	KOSS JOHN C JR	SALE	25.00	5K	125K	197.16K
May 28, 2021	KOSS JOHN C JR	SALE	23.50	10K	235K	202.16K
May 28, 2021	NIXON THEODORE	SALE	23.58	10K	235.8K	0
May 26, 2021	KOSS MICHAEL J	SALE	21.26	9K	191.34K	774.91K
May 18, 2021	DOERR THOMAS L.	SALE	18.83	3.33K	62.76K	0
Apr 01, 2021	SMITH DAVID DONNAN	SALE	24.24	5.5K	133.32K	0
Apr 01, 2021	LILLIE LENORE	SALE	22.12	4.5K	99.54K	0
Mar 12, 2021	KOSS MICHAEL J	SALE	29.99	4.12K	123.62K	37K
Mar 10, 2021	KOSS JOHN C JR	SALE	36.72	4K	146.88K	217.16K
Mar 10, 2021	KOSS MICHAEL J	SALE	38.05	10K	380.5K	41.12K
Mar 01, 2021	LILLIE LENORE	SALE	16.50	22.45K	370.43K	0
Mar 01, 2021	SMITH DAVID DONNAN	SALE	17.01	1K	17.01K	0
Feb 25, 2021	KOSS MICHAEL J JR	SALE	32.89	11K	361.79K	46K
Feb 25, 2021	KOSS JOHN C JR	SALE	30.13	10K	301.3K	256.16K
Feb 25, 2021	KOSS MICHAEL J	SALE	32.50	10K	325K	55.12K
Feb 04, 2021	KOSS JOHN C JR	SALE	24.00	5K	120K	266.16K
Feb 03, 2021	KOSS JOHN C JR	SALE	25.44	10K	254.4K	271.16K
Feb 03, 2021	KOSS MICHAEL J	SALE	27.13	11K	298.43K	65.12K
Feb 02, 2021	NANCY KOSS 2012 TRUST, DATED 12/20/12	SALE	19.84	30K	595.2K	757.95K
Feb 02, 2021	LILLIE LENORE	SALE	21.60	3K	64.8K	30.09K
Feb 01, 2021	LILLIE LENORE	SALE	46.25	6K	277.5K	65.09K
Feb 01, 2021	SWEASY WILLIAM JESSE	SALE	40.00	20K	800K	0
Feb 01, 2021	NANCY KOSS 2012 TRUST, DATED 12/20/12	SALE	35.01	20K	700.2K	787.95K
Feb 01, 2021	DOERR THOMAS L.	SALE	42.02	6.67K	280.15K	0
Feb 01, 2021	NIXON THEODORE	SALE	43.78	30K	1.31M	0
Feb 01, 2021	LEVEEN STEVEN A	SALE	38.25	5K	191.25K	0

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE2.5K1

SALES00

NET SHARES2.5K1

SHARES HELD2.5K1

% NET SHARES0%0%

KOSS Stock Ownership Breakdown

Koss

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