How many institutions own ATNM 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 ATNM shares is 76, representing 19.86% of the company's common stock.

Who are the major shareholders selling Actinium Pharmaceuticals, Inc. stock?

SUSQUEHANNA INTERNATIONAL GROUP, LLP, in the last quarter, reduced its stake in ATNM by -23.84% restricting it's holding to 13.1 thousand shares of worth nearly $17.82K. FEDERATED HERMES, INC. also lessened -27.12% of the ATNM shares from its portfolio, reducing its holding to 1.4 thousand shares of worth $1.91K. BARCLAYS PLC also shunned ATNM shares holding by -75% last quarter which brought its holding to 1 shares worth $1.00.

Investors who are buying ATNM stock?

As per its latest 13F filing, CETERA INVESTMENT ADVISERS increased its stake in ATNM by 5.3% in the last quarter. The institutional holder raised its holding to 15.26 thousand shares having worth more than $20.75K. NINE MASTS CAPITAL LTD also added 100% more shares of ATNM to its portfolio, raising its holding to 12.94 thousand shares of worth $17.60K. SRS CAPITAL ADVISORS, INC. also increased its ATNM shares holding by 1,979.41% which brought its holding to 707 shares worth $962.00.

ATNM's major insiders: who are they?

The insider with the most stakes in ATNM is Memorial Sloan-Kettering Cancer Center , 10 percent owner at the company. Additionally, ATNM stock is highly held by Chairman & CEO SETH SANDESH and Principal Financial Officer O'Loughlin Steve among others.

Did an insider recently sell ATNM stock?

Company executives, directors, and other insiders own 2.36% percent of Actinium Pharmaceuticals, Inc.'s stock. Within the last six months, there have been 0 transaction(s) in which ATNM insiders have sold stock, totaling 0 shares. Insiders that have sold shares include MEMORIAL SLOAN-KETTERING CANCER CENTER.

Which insider recently purchased ATNM stock?

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

How much of ATNM does insiders own?

Around 0 Actinium Pharmaceuticals, Inc. shares are held by insiders, which represents about 2.36% of ATNM stock.

Who is the insider with the largest stake?

ATNM 10 percent owner, Memorial Sloan-Kettering Cancer Center holds the largest portfolio of the company's shares. ATNM shares owned by Memorial total nearly 4.71 million.

Which institution holds the most shares in ATNM?

SUSQUEHANNA INTERNATIONAL GROUP, LLP is the largest institutional owner in ATNM which holds 13.1 thousand shares worth $17.82K or 0.04% of the total ATNM shares outstanding followed by WELLS FARGO & COMPANY/MN with ownership of 19.8 thousand shares representing 0.06% of the ATNM ownership. CETERA INVESTMENT ADVISERS is the third largest stakeholder with 15.26 thousand shares or 0.05% of the ownership worth more than $20.75K.

Is Actinium Pharmaceuticals, 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 ATNM is concerned, it is a stock which is optionable.

Is there a short position on ATNM's shares?

Number of ATNM shares short is 1.06M. 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 ATNM shares are there?

As of today, 31.20M shares of ATNM are outstanding.

Is there many float in ATNM 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, ATNM has 30.86M shares in float.

ATNM 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 ATNM is 9.31.

Actinium Pharmaceuticals (ATNM) 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 Shares3.4

Short Percent Of Float3.42

Shares Outstanding31.20M

Shares Float30.86M

Shares Short1.06M

Short Ratio9.31

3.42%

Short % of Float

3.4%

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

2.36% Percentage of Shares held by All Insiders

19.86% Percentage of Shares held by All Institutions

20.34% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 19.86% of ATNM shares are held by financial institutions. SUSQUEHANNA INTERNATIONAL GROUP, LLP is the top corporate investor, holding 13.1K shares valued at $17.82K. A 0.04% stake in Actinium Pharmaceuticals, Inc. is owned by the company. WELLS FARGO & COMPANY/MN owns 19.8K shares valued at $26.93K, which translates its holding of 0.06% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Dec 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.04%	13.1K	17.82K	-4.1K	-23.84%
Dec 31, 2025	WELLS FARGO & COMPANY/MN	0.06%	19.8K	26.93K	0	0
Dec 31, 2025	CETERA INVESTMENT ADVISERS	0.05%	15.26K	20.75K	768	+5.30%
Dec 31, 2025	NINE MASTS CAPITAL LTD	0.04%	12.94K	17.6K	12.94K	+100.00%
Dec 31, 2025	FEDERATED HERMES, INC.	0%	1.4K	1.91K	-522	-27.12%
Dec 31, 2025	SRS CAPITAL ADVISORS, INC.	0%	707	962	673	+1,979.41%
Dec 31, 2025	ACADIAN ASSET MANAGEMENT LLC	1.94%	606.34K	823K	116.76K	+23.85%
Dec 31, 2025	VONTOBEL HOLDING LTD.	0.1%	30K	40.8K	0	0
Dec 31, 2025	MORGAN STANLEY	0.06%	19.07K	25.94K	14.35K	+304.11%
Dec 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	237	322K	0	0
Dec 31, 2025	NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	0%	107	146	0	0
Dec 31, 2025	BARCLAYS PLC	0%	1	1	-3	-75.00%
Dec 31, 2025	GROUP ONE TRADING, L.P.	0%	0	-	-547	-100.00%
Dec 31, 2025	MARSHALL WACE, LLP	0%	0	-	-26.34K	-100.00%
Dec 31, 2025	TRUE WEALTH DESIGN, LLC	0%	0	-	-2	-100.00%
Dec 31, 2025	GROUPE LA FRANCAISE	0%	0	-	-316	-100.00%
Dec 31, 2025	VANGUARD GROUP INC	4.56%	1.42M	1.93M	36.5K	+2.64%
Dec 31, 2025	MILLENNIUM MANAGEMENT LLC	1.93%	601.6K	818.18K	-23.1K	-3.70%
Dec 31, 2025	NORTHERN TRUST CORP	0.14%	42.61K	57.95K	6.72K	+18.71%
Dec 31, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.06%	18.81K	25.58K	-6.91K	-26.86%
Dec 31, 2025	FMR LLC	0.05%	14.37K	19.55K	-6.73K	-31.88%
Dec 31, 2025	POINT72 ASSET MANAGEMENT, L.P.	0.03%	10.3K	14K	10.3K	+100.00%
Dec 31, 2025	RUSSELL INVESTMENTS GROUP, LTD.	0.04%	13.34K	18.14K	0	0
Dec 31, 2025	HRT FINANCIAL LP	0.04%	13.01K	17K	13.01K	+100.00%
Dec 31, 2025	TWO SIGMA SECURITIES, LLC	0.04%	12.97K	17.63K	12.97K	+100.00%
Dec 31, 2025	INTREPID FINANCIAL PLANNING GROUP LLC	0.03%	10.5K	14.28K	-2K	-16.00%
Dec 31, 2025	SAVVY ADVISORS, INC.	0.03%	10K	13.6K	10K	+100.00%
Dec 31, 2025	ROCKEFELLER CAPITAL MANAGEMENT L.P.	0.01%	4K	5.44K	-500	-11.11%
Dec 31, 2025	STEWARD PARTNERS INVESTMENT ADVISORY, LLC	0.01%	2.17K	2.95K	0	0
Dec 31, 2025	JPMORGAN CHASE & CO	0%	1.49K	2.03K	-68	-4.35%
Dec 31, 2025	NISA INVESTMENT ADVISORS, LLC	0%	958	1.3K	0	0
Dec 31, 2025	NATIONAL BANK OF CANADA /FI/	0%	855	1.16K	0	0
Dec 31, 2025	BANK OF AMERICA CORP /DE/	0%	649	882	1	+0.15%
Dec 31, 2025	BLACKROCK, INC.	1.18%	366.93K	499.03K	3.45K	+0.95%
Dec 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	1.05%	328.99K	447.56K	575	+0.18%
Dec 31, 2025	STATE STREET CORP	0.4%	126.22K	171.65K	0	0
Dec 31, 2025	DIMENSIONAL FUND ADVISORS LP	0.11%	34.92K	47.5K	0	0
Dec 31, 2025	AM INVESTMENT STRATEGIES LLC	0.09%	29.36K	40K	29.36K	+100.00%
Dec 31, 2025	CALLAN FAMILY OFFICE, LLC	0.08%	23.6K	32.1K	0	0
Dec 31, 2025	MAYPORT, LLC	0.07%	22K	29.92K	0	0
Dec 31, 2025	NORTH STAR ASSET MANAGEMENT INC	0.06%	20K	27.2K	0	0
Dec 31, 2025	UBS GROUP AG	0%	96	131	-14.48K	-99.34%
Dec 31, 2025	EVERSOURCE WEALTH ADVISORS, LLC	0%	16	22	-70	-81.40%
Dec 31, 2025	ROYAL BANK OF CANADA	0%	0	-	-5.72K	-100.00%
Dec 31, 2025	AQR CAPITAL MANAGEMENT LLC	0%	0	-	-16.81K	-100.00%
Dec 31, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0%	0	-	-555	-100.00%
Dec 31, 2025	RENAISSANCE TECHNOLOGIES LLC	1.25%	390.78K	531.47K	102.15K	+35.39%
Dec 31, 2025	TWO SIGMA INVESTMENTS, LP	0.67%	209.69K	285.18K	-24.6K	-10.50%
Dec 31, 2025	GAGNON SECURITIES LLC	0.65%	201.81K	274.46K	-24.45K	-10.81%
Dec 31, 2025	TWO SIGMA ADVISERS, LP	0.63%	196.08K	266.66K	-300	-0.15%
Dec 31, 2025	CITADEL ADVISORS LLC	0.37%	114.7K	155.99K	89.6K	+356.97%
Dec 31, 2025	GEN-WEALTH PARTNERS INC	0.34%	107.13K	145.7K	-2.25K	-2.06%
Dec 31, 2025	LEVEL FOUR ADVISORY SERVICES, LLC	0.03%	10K	13.6K	0	0
Dec 31, 2025	CWM, LLC	0%	620	1K	-775	-55.56%
Dec 31, 2025	SBI SECURITIES CO., LTD.	0%	542	737	0	0
Dec 31, 2025	CITIGROUP INC	0%	431	586	-854	-66.46%
Dec 31, 2025	JONES FINANCIAL COMPANIES LLLP	0%	351	477	0	0
Dec 31, 2025	PITTENGER & ANDERSON INC	0%	341	464	0	0
Dec 31, 2025	INVESTORS RESEARCH CORP	0%	300	408	0	0
Dec 31, 2025	JANE STREET GROUP, LLC	0.1%	29.7K	40.39K	29.7K	+100.00%
Dec 31, 2025	GOLDMAN SACHS GROUP INC	0.23%	70.36K	95.69K	70.36K	+100.00%
Dec 31, 2025	SQUAREPOINT OPS LLC	0.21%	65.73K	89.39K	65.73K	+100.00%
Dec 31, 2025	BAILARD, INC.	0.19%	57.87K	78.7K	57.87K	+100.00%
Dec 31, 2025	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.13%	40K	54.4K	0	0
Dec 31, 2025	XTX TOPCO LTD	0.08%	25.98K	35.33K	6.02K	+30.13%
Dec 31, 2025	ADVISOR GROUP HOLDINGS, INC.	0.07%	20.27K	27.56K	13.12K	+183.43%
Sep 30, 2025	GEN-WEALTH PARTNERS INC	0.35%	109.38K	175.01K	109.38K	+100.00%
Sep 30, 2025	STATE STREET CORP	0.4%	126.22K	201.94K	-95.8K	-43.15%
Sep 30, 2025	TWO SIGMA ADVISERS, LP	0.63%	196.38K	314.2K	196.38K	+100.00%
Sep 30, 2025	JONES FINANCIAL COMPANIES LLLP	0%	351	565	51	+17.00%
Sep 30, 2025	FMR LLC	0.07%	21.1K	33.76K	-3.22K	-13.23%
Sep 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0%	555	888	-1.92K	-77.60%
Sep 30, 2025	TWO SIGMA INVESTMENTS, LP	0.75%	234.29K	374.87K	187.75K	+403.37%
Sep 30, 2025	RENAISSANCE TECHNOLOGIES LLC	0.93%	288.63K	461.81K	79.13K	+37.77%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	1.05%	328.42K	525.63K	-1.27K	-0.39%
Sep 30, 2025	STEWARD PARTNERS INVESTMENT ADVISORY, LLC	0.01%	2.17K	3.47K	166	+8.30%
Sep 30, 2025	CALLAN FAMILY OFFICE, LLC	0.08%	23.6K	37.77K	0	0
Sep 30, 2025	MARSHALL WACE, LLP	0.08%	26.34K	42.14K	-71.79K	-73.16%
Sep 30, 2025	GAGNON SECURITIES LLC	0.73%	226.26K	362.01K	-365	-0.16%
Sep 30, 2025	CWM, LLC	0%	1.4K	2K	-6.15K	-81.51%
Sep 30, 2025	JPMORGAN CHASE & CO	0.01%	1.56K	2.5K	-17.06K	-91.61%
Sep 30, 2025	BLACKROCK, INC.	1.17%	363.49K	581.58K	-104.19K	-22.28%
Sep 30, 2025	ACADIAN ASSET MANAGEMENT LLC	1.57%	489.58K	782K	-2.37K	-0.48%
Sep 30, 2025	MILLENNIUM MANAGEMENT LLC	2%	624.7K	999.52K	-38.57K	-5.82%
Sep 30, 2025	ADVISORY SERVICES NETWORK, LLC	0.01%	2.46K	3.94K	2.46K	+100.00%
Sep 30, 2025	ROCKEFELLER CAPITAL MANAGEMENT L.P.	0.01%	4.5K	7.2K	4.5K	+100.00%
Sep 30, 2025	MORGAN STANLEY	0.02%	4.72K	7.55K	-39.98K	-89.44%
Sep 30, 2025	FEDERATED HERMES, INC.	0.01%	1.93K	3.08K	-3.4K	-63.82%
Sep 30, 2025	CITIGROUP INC	0%	1.29K	2.06K	-13.83K	-91.50%
Sep 30, 2025	NISA INVESTMENT ADVISORS, LLC	0%	958	1.53K	0	0
Sep 30, 2025	NATIONAL BANK OF CANADA /FI/	0%	855	1.37K	0	0
Sep 30, 2025	GROUP ONE TRADING, L.P.	0%	547	875	0	0
Sep 30, 2025	NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	0%	107	171	0	0
Sep 30, 2025	SRS CAPITAL ADVISORS, INC.	0%	34	54	34	+100.00%
Sep 30, 2025	SBI SECURITIES CO., LTD.	0%	542	867	0	0
Sep 30, 2025	TRUE WEALTH DESIGN, LLC	0%	2	4	-22	-91.67%
Sep 30, 2025	WELLS FARGO & COMPANY/MN	0.06%	19.8K	31.68K	14.29K	+259.48%
Sep 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.06%	17.2K	27.52K	17.2K	+100.00%
Sep 30, 2025	PROSPECT FINANCIAL SERVICES LLC	0%	0	-	-12K	-100.00%
Sep 30, 2025	CATALYST FUNDS MANAGEMENT PTY LTD	0%	0	-	-14.5K	-100.00%
Sep 30, 2025	AM INVESTMENT STRATEGIES LLC	0%	0	-	-30.87K	-100.00%
Sep 30, 2025	Y-INTERCEPT (HONG KONG) LTD	0%	0	-	-64.91K	-100.00%
Sep 30, 2025	CLEARSTEAD ADVISORS, LLC	0%	0	-	-306	-100.00%
Sep 30, 2025	CREATIVE FINANCIAL DESIGNS INC /ADV	0%	0	-	-109.38K	-100.00%
Sep 30, 2025	VANGUARD GROUP INC	4.44%	1.38M	2.22M	12.7K	+0.93%
Sep 30, 2025	JANE STREET GROUP, LLC	0.3%	93.02K	148.84K	-125.3K	-57.39%
Sep 30, 2025	RUSSELL INVESTMENTS GROUP, LTD.	0.04%	13.34K	21.34K	-416	-3.02%
Sep 30, 2025	POINT72 ASIA (SINGAPORE) PTE. LTD.	0.03%	10.3K	16.47K	-10.75K	-51.07%
Sep 30, 2025	LEVEL FOUR ADVISORY SERVICES, LLC	0.03%	10K	16K	10K	+100.00%
Sep 30, 2025	XTX TOPCO LTD	0.06%	19.96K	31.94K	6.71K	+50.66%
Sep 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0.02%	7.15K	12.23K	0	0
Sep 30, 2025	CETERA INVESTMENT ADVISERS	0.05%	14.49K	23.19K	14.49K	+100.00%
Sep 30, 2025	INTREPID FINANCIAL PLANNING GROUP LLC	0.04%	12.5K	20K	0	0
Sep 30, 2025	DIMENSIONAL FUND ADVISORS LP	0.11%	34.92K	55.88K	0	0
Sep 30, 2025	VONTOBEL HOLDING LTD.	0.1%	30K	48K	0	0
Sep 30, 2025	AQR CAPITAL MANAGEMENT LLC	0.05%	16.81K	26.89K	-60.41K	-78.24%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0%	648	1.04K	-25.27K	-97.50%
Sep 30, 2025	ROYAL BANK OF CANADA	0.02%	5.72K	9K	53	+0.94%
Sep 30, 2025	UBS GROUP AG	0.05%	14.58K	23.32K	-11.01K	-43.04%
Sep 30, 2025	NORTH STAR ASSET MANAGEMENT INC	0.06%	20K	32K	0	0
Sep 30, 2025	MAYPORT, LLC	0.07%	22K	35.2K	22K	+100.00%
Sep 30, 2025	CITADEL ADVISORS LLC	0.08%	25.1K	40.16K	-14.1K	-35.97%
Sep 30, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.08%	25.72K	41.16K	-24.21K	-48.49%
Sep 30, 2025	PITTENGER & ANDERSON INC	0%	341	546	0	0
Sep 30, 2025	GROUPE LA FRANCAISE	0%	316	436	316	+100.00%
Sep 30, 2025	INVESTORS RESEARCH CORP	0%	300	480	0	0
Sep 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	237	379	-1.15K	-82.91%
Sep 30, 2025	EVERSOURCE WEALTH ADVISORS, LLC	0%	86	138	-129	-60.00%
Sep 30, 2025	BARCLAYS PLC	0%	4	7	-2.5K	-99.84%
Sep 30, 2025	NORTHERN TRUST CORP	0.12%	35.9K	57.43K	-24.1K	-40.17%
Sep 30, 2025	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.13%	40K	64K	0	0
Jun 30, 2025	FMR LLC	0.08%	24.32K	34.04K	11.74K	+93.31%
Jun 30, 2025	JPMORGAN CHASE & CO	0.06%	18.62K	26.06K	-2.51K	-11.87%
Jun 30, 2025	CITIGROUP INC	0.05%	15.12K	21.16K	-7.58K	-33.39%
Jun 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0.02%	7.15K	10.01K	-775	-9.78%
Jun 30, 2025	GAGNON SECURITIES LLC	0.73%	226.62K	317.27K	0	0
Jun 30, 2025	INVESCO LTD.	0%	0	-	-153.56K	-100.00%
Jun 30, 2025	CREATIVE FINANCIAL DESIGNS INC /ADV	0.35%	109.38K	153.13K	3.75K	+3.55%
Jun 30, 2025	MORGAN STANLEY	0.14%	44.7K	62.58M	-21.06K	-32.02%
Jun 30, 2025	HARTFORD FINANCIAL MANAGEMENT INC.	0%	0	-	-266	-100.00%
Jun 30, 2025	BANK OF NEW YORK MELLON CORP	0%	0	-	-65.31K	-100.00%
Jun 30, 2025	SIMPLEX TRADING, LLC	0%	0	-	-2.97K	-100.00%
Jun 30, 2025	PICTON MAHONEY ASSET MANAGEMENT	0%	0	-	-12.99K	-100.00%
Jun 30, 2025	AQR CAPITAL MANAGEMENT LLC	0.25%	77.22K	108.11M	13.97K	+22.09%
Jun 30, 2025	AVANTAX ADVISORY SERVICES, INC.	0.05%	14.49K	20.29K	0	0
Jun 30, 2025	XTX TOPCO LTD	0.04%	13.25K	18.55K	13.25K	+100.00%
Jun 30, 2025	PITTENGER & ANDERSON INC	0%	341	478	0	0
Jun 30, 2025	CLEARSTEAD ADVISORS, LLC	0%	306	429	306	+100.00%
Jun 30, 2025	JONES FINANCIAL COMPANIES LLLP	0%	300	426	300	+100.00%
Jun 30, 2025	INVESTORS RESEARCH CORP	0%	300	420	50	+20.00%
Jun 30, 2025	EVERSOURCE WEALTH ADVISORS, LLC	0%	215	301	47	+27.98%
Jun 30, 2025	TRUE WEALTH DESIGN, LLC	0%	24	34	7	+41.18%
Jun 30, 2025	PRICE T ROWE ASSOCIATES INC /MD/	0%	0	-	-12.79K	-100.00%
Jun 30, 2025	SEI INVESTMENTS CO	0%	0	-	-49.21K	-100.00%
Jun 30, 2025	PNC FINANCIAL SERVICES GROUP, INC.	0%	0	-	-220	-100.00%
Jun 30, 2025	LEGAL & GENERAL GROUP PLC	0%	0	-	-3.71K	-100.00%
Jun 30, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0%	0	-	-6.74K	-100.00%
Jun 30, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0%	0	-	-97.6K	-100.00%
Jun 30, 2025	AMALGAMATED BANK	0%	0	-	-877	-100.00%
Jun 30, 2025	DEUTSCHE BANK AG\	0%	0	-	-123.13K	-100.00%
Jun 30, 2025	AMERITAS INVESTMENT PARTNERS, INC.	0%	0	-	-2.15K	-100.00%
Jun 30, 2025	CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	0%	0	-	-2.18K	-100.00%
Jun 30, 2025	INTECH INVESTMENT MANAGEMENT LLC	0%	0	-	-12.34K	-100.00%
Jun 30, 2025	ALLIANCEBERNSTEIN L.P.	0%	0	-	-13.89K	-100.00%
Jun 30, 2025	RHUMBLINE ADVISERS	0%	0	-	-42.28K	-100.00%
Jun 30, 2025	LOS ANGELES CAPITAL MANAGEMENT LLC	0%	0	-	-233.25K	-100.00%
Jun 30, 2025	STERLING CAPITAL MANAGEMENT LLC	0%	0	-	-31	-100.00%
Jun 30, 2025		0.05%	14.5K	20.3K	14.5K	+100.00%
Jun 30, 2025	AM INVESTMENT STRATEGIES LLC	0.1%	30.87K	43K	0	0
Jun 30, 2025	VONTOBEL HOLDING LTD.	0.1%	30K	42K	0	0
Jun 30, 2025	HRT FINANCIAL LP	0.09%	27.48K	38K	27.48K	+100.00%
Jun 30, 2025	BANK OF AMERICA CORP /DE/	0.08%	25.92K	36.29K	-26.64K	-50.68%
Jun 30, 2025	UBS GROUP AG	0.08%	25.59K	35.83K	-370.55K	-93.54%
Jun 30, 2025	CALLAN FAMILY OFFICE, LLC	0.08%	23.6K	33.04K	0	0
Jun 30, 2025	POINT72 ASIA (SINGAPORE) PTE. LTD.	0.07%	21.04K	29.46K	21.04K	+100.00%
Jun 30, 2025	NORTH STAR ASSET MANAGEMENT INC	0.06%	20K	28K	10K	+100.00%
Jun 30, 2025	RUSSELL INVESTMENTS GROUP, LTD.	0.04%	13.76K	19.26K	-853	-5.84%
Jun 30, 2025	INTREPID FINANCIAL PLANNING GROUP LLC	0.04%	12.5K	17.5K	-2K	-13.79%
Jun 30, 2025	PROSPECT FINANCIAL SERVICES LLC	0.04%	12K	19.32K	0	0
Jun 30, 2025	SCHONFELD STRATEGIC ADVISORS LLC	0.03%	10.82K	15.15K	10.82K	+100.00%
Jun 30, 2025	CWM, LLC	0.02%	7.55K	11K	1.07K	+16.56%
Jun 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	2.48K	3.47K	-5.87K	-70.32%
Jun 30, 2025	STEWARD PARTNERS INVESTMENT ADVISORY, LLC	0.01%	2K	2.8K	0	0
Jun 30, 2025	CUBIST SYSTEMATIC STRATEGIES, LLC	0.01%	1.93K	2.7K	1.93K	+100.00%
Jun 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	1.39K	1.94K	-446	-24.33%
Jun 30, 2025	RAYMOND JAMES FINANCIAL INC	0%	1.17K	1.63K	1.17K	+100.00%
Jun 30, 2025	NISA INVESTMENT ADVISORS, LLC	0%	958	1.34K	-402	-29.56%
Jun 30, 2025	NATIONAL BANK OF CANADA /FI/	0%	855	1.2K	0	0
Jun 30, 2025	JAIN GLOBAL LLC	0.1%	30.9K	43.26K	30.9K	+100.00%
Jun 30, 2025	CATALYST FUNDS MANAGEMENT PTY LTD	0.05%	14.5K	20.3K	14.5K	+100.00%
Jun 30, 2025	ROYAL BANK OF CANADA	0.02%	5.66K	8K	4.38K	+342.50%
Jun 30, 2025	WELLS FARGO & COMPANY/MN	0.02%	5.51K	7.71K	-14.82K	-72.90%
Jun 30, 2025	FEDERATED HERMES, INC.	0.02%	5.32K	7.45K	-218	-3.94%
Jun 30, 2025	BARCLAYS PLC	0.01%	2.51K	4K	-37.36K	-93.71%
Jun 30, 2025	MILLENNIUM MANAGEMENT LLC	2.13%	663.27K	928.58K	663.27K	+100.00%
Jun 30, 2025	ACADIAN ASSET MANAGEMENT LLC	1.58%	491.94K	687K	-12.1K	-2.40%
Jun 30, 2025	BLACKROCK, INC.	1.5%	467.67K	654.74K	-1.48M	-75.98%
Jun 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	1.06%	329.69K	461.7K	-382.11K	-53.68%
Jun 30, 2025	STATE STREET CORP	0.71%	222.02K	310.82K	-423.2K	-65.59%
Jun 30, 2025	JANE STREET GROUP, LLC	0.7%	218.32K	305.65K	218.32K	+100.00%
Jun 30, 2025	RENAISSANCE TECHNOLOGIES LLC	0.67%	209.5K	293.3K	151.9K	+263.72%
Jun 30, 2025	MARSHALL WACE, LLP	0.31%	98.12K	137.37K	98.12K	+100.00%
Jun 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.27%	83.07K	116.3K	-23.91K	-22.35%
Jun 30, 2025	Y-INTERCEPT (HONG KONG) LTD	0.21%	64.91K	90.87K	64.91K	+100.00%
Jun 30, 2025	NORTHERN TRUST CORP	0.19%	59.99K	83.99K	-168.28K	-73.72%
Jun 30, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.16%	49.93K	69.91K	49.93K	+100.00%
Jun 30, 2025	TWO SIGMA INVESTMENTS, LP	0.15%	46.55K	65.16K	46.55K	+100.00%
Jun 30, 2025	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.13%	40K	56K	-35K	-46.67%
Jun 30, 2025	VANGUARD GROUP INC	4.4%	1.37M	1.92M	-199.92K	-12.72%
Jun 30, 2025	GOLDMAN SACHS GROUP INC	0.29%	91.41K	127.98M	14.6K	+19.01%
Jun 30, 2025	CITADEL ADVISORS LLC	0.13%	39.2K	54.88M	-2K	-4.85%
Jun 30, 2025	DIMENSIONAL FUND ADVISORS LP	0.11%	34.92K	48.89K	0	0
Mar 31, 2025	ACADIAN ASSET MANAGEMENT LLC	1.62%	504.04K	810K	4.78K	+0.96%
Mar 31, 2025	NORTHERN TRUST CORP	0.73%	228.27K	367.52K	-23.66K	-9.39%
Mar 31, 2025	LOS ANGELES CAPITAL MANAGEMENT LLC	0.75%	233.25K	375.53K	19.3K	+9.02%
Mar 31, 2025	CITADEL ADVISORS LLC	0.13%	41.2K	66.33K	-4K	-8.85%
Mar 31, 2025	RHUMBLINE ADVISERS	0.14%	42.28K	68.07K	1.56K	+3.84%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	0.17%	52.56K	84.63K	-26.2K	-33.27%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.03%	10.7K	17.23K	-3.7K	-25.69%
Mar 31, 2025	PROSPECT FINANCIAL SERVICES LLC	0.04%	12K	19.32K	-400	-3.23%
Mar 31, 2025	INTECH INVESTMENT MANAGEMENT LLC	0.04%	12.34K	19.86K	-1.86K	-13.11%
Mar 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0.18%	57.6K	92.74K	-132.8K	-69.75%
Mar 31, 2025	AQR CAPITAL MANAGEMENT LLC	0.2%	63.25K	101.83K	46.55K	+278.65%
Mar 31, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.06%	17.85K	28.74K	780	+4.57%
Mar 31, 2025	WELLS FARGO & COMPANY/MN	0.07%	20.33K	32.73K	332	+1.66%
Mar 31, 2025	JPMORGAN CHASE & CO	0.07%	21.12K	34.01K	-102.71K	-82.94%
Mar 31, 2025	FMR LLC	0.04%	12.58K	20.25K	7.84K	+165.38%
Mar 31, 2025	PRICE T ROWE ASSOCIATES INC /MD/	0.04%	12.79K	21K	12.79K	+100.00%
Mar 31, 2025	RUSSELL INVESTMENTS GROUP, LTD.	0.05%	14.61K	23.52K	10.44K	+250.00%
Mar 31, 2025	CITIGROUP INC	0.07%	22.69K	36.54K	-2.61K	-10.33%
Mar 31, 2025	CALLAN FAMILY OFFICE, LLC	0.08%	23.6K	38K	23.6K	+100.00%
Mar 31, 2025	BANK OF NEW YORK MELLON CORP	0.21%	65.31K	105.15K	0	0
Mar 31, 2025	MORGAN STANLEY	0.21%	65.76K	105.87K	-150.38K	-69.58%
Mar 31, 2025	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.24%	75K	120.75K	-700	-0.92%
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0.25%	76.81K	123.67K	-58.49K	-43.23%
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.31%	97.6K	157.14K	25.51K	+35.39%
Mar 31, 2025	COREBRIDGE FINANCIAL, INC.	0.05%	15.41K	24.8K	-229	-1.46%
Mar 31, 2025	BLACKROCK, INC.	6.24%	1.95M	3.13M	-25.1K	-1.27%
Mar 31, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0.02%	6.74K	11K	0	0
Mar 31, 2025	PICTON MAHONEY ASSET MANAGEMENT	0.04%	12.99K	21K	7.03K	+117.71%
Mar 31, 2025	ALLIANCEBERNSTEIN L.P.	0.04%	13.89K	22.36K	0	0
Mar 31, 2025	AVANTAX ADVISORY SERVICES, INC.	0.05%	14.49K	23.33K	14.49K	+100.00%
Mar 31, 2025	INTREPID FINANCIAL PLANNING GROUP LLC	0.05%	14.5K	23.35K	500	+3.57%
Mar 31, 2025		0.03%	7.92K	12.74K	0	0
Mar 31, 2025	DEUTSCHE BANK AG\	0.39%	123.13K	198.25K	0	0
Mar 31, 2025	INVESCO LTD.	0.49%	153.56K	247.22K	141.13K	+1,135.86%
Mar 31, 2025	GAGNON SECURITIES LLC	0.73%	226.62K	364.86K	226.62K	+100.00%
Mar 31, 2025	SEI INVESTMENTS CO	0.16%	49.21K	79.24K	0	0
Mar 31, 2025	NORTH STAR ASSET MANAGEMENT INC	0.03%	10K	16.1K	0	0
Mar 31, 2025	ADVISOR GROUP HOLDINGS, INC.	0.03%	7.93K	12.76K	1.5K	+23.35%
Mar 31, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.03%	8.35K	13.44K	-1.2K	-12.55%
Mar 31, 2025	VONTOBEL HOLDING LTD.	0.1%	30K	48.3K	5K	+20.00%
Mar 31, 2025	AM INVESTMENT STRATEGIES LLC	0.1%	30.87K	50K	16.45K	+114.06%
Mar 31, 2025	DIMENSIONAL FUND ADVISORS LP	0.11%	34.92K	56.23K	0	0
Mar 31, 2025	BARCLAYS PLC	0.13%	39.87K	64K	-9.99K	-20.03%
Mar 31, 2025	VANGUARD GROUP INC	5.04%	1.57M	2.53M	-45.61K	-2.82%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.28%	711.8K	1.15M	23.95K	+3.48%
Mar 31, 2025	STATE STREET CORP	2.07%	645.22K	1.04M	24.14K	+3.89%
Mar 31, 2025	UBS GROUP AG	1.27%	396.14K	637.78K	307.32K	+346.02%
Mar 31, 2025	CREATIVE FINANCIAL DESIGNS INC /ADV	0.34%	105.63K	170.07K	14.62K	+16.07%
Jun 30, 2020	NORTHERN TRUST CORP	0.25%	846.81K	298K	529.77K	+167.10%
Jun 30, 2020	RUSSELL INVESTMENTS GROUP, LTD.	0.22%	742.7K	261K	742.7K	+100.00%
Jun 30, 2020	VIRTU FINANCIAL LLC	0.2%	668.6K	235K	668.6K	+100.00%
Jun 30, 2020	PNC FINANCIAL SERVICES GROUP, INC.	0.06%	198.48K	70K	0	0
Jun 30, 2020	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.02%	80.22K	29K	0	0
Jun 30, 2020	UBS GROUP AG	0.02%	73.11K	26K	-57.71K	-44.12%
Jun 30, 2020	INTRUST BANK NA	0.01%	40K	14K	0	0
Jun 30, 2020	HARTFORD FINANCIAL MANAGEMENT INC.	0.01%	18K	6K	0	0
Jun 30, 2020	WELLS FARGO & COMPANY/MN	0%	15.64K	5K	8	+0.05%
Jun 30, 2020	SUMMIT FINANCIAL WEALTH ADVISORS, LLC	0%	14K	5K	0	0
Jun 30, 2020	AMERIPRISE FINANCIAL INC	0%	13.08K	5K	13.08K	+100.00%
Jun 30, 2020	TRUVESTMENTS CAPITAL LLC	0%	6.32K	2K	6.32K	+100.00%
Jun 30, 2020	ALLWORTH FINANCIAL LP	0%	3.6K	1K	3.6K	+100.00%
Jun 30, 2020	NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	0%	3.23K	1K	0	0
Jun 30, 2020	CONSONANCE CAPITAL MANAGEMENT LP	10.84%	37M	13.01M	37M	+100.00%
Jun 30, 2020	GEODE CAPITAL MANAGEMENT, LLC	0.76%	2.61M	918K	2.01M	+333.12%
Jun 30, 2020	SABBY MANAGEMENT, LLC	0.28%	972.29K	342K	350.45K	+56.36%
Jun 30, 2020	CITADEL ADVISORS LLC	0.19%	642.96K	226K	574.13K	+834.09%
Jun 30, 2020	SQUAREPOINT OPS LLC	0.14%	485.65K	171K	485.65K	+100.00%
Jun 30, 2020	BANK JULIUS BAER & CO. LTD, ZURICH	0.1%	344.47K	120K	103.1K	+42.72%
Jun 30, 2020	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.08%	275K	97K	275K	+100.00%
Jun 30, 2020	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0.04%	151.5K	53K	151.5K	+100.00%
Jun 30, 2020	ARDSLEY ADVISORY PARTNERS LP	0.04%	130K	46K	55K	+73.33%
Jun 30, 2020	OXFORD FINANCIAL GROUP LTD	0.03%	107.2K	38K	107.2K	+100.00%
Jun 30, 2020	ETRADE CAPITAL MANAGEMENT LLC	0.02%	80.2K	28K	80.2K	+100.00%
Jun 30, 2020	ADVISOR GROUP HOLDINGS, INC.	0.02%	70.03K	25K	5K	+7.69%
Jun 30, 2020	SUMMIT X, LLC	0.02%	68.2K	24K	15.7K	+29.90%
Jun 30, 2020	D.A. DAVIDSON & CO.	0.01%	49.5K	17K	9K	+22.22%
Jun 30, 2020	BARCLAYS PLC	0.01%	47.49K	18K	1.8K	+3.93%
Jun 30, 2020	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.01%	40K	14K	0	0
Jun 30, 2020	FCG ADVISORS, LLC	0.01%	37.7K	13K	0	0
Jun 30, 2020	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	34.81K	12K	34.81K	+100.00%
Jun 30, 2020	MORGAN STANLEY	0.01%	32.68K	11K	17.06K	+109.18%
Jun 30, 2020	LAIDLAW WEALTH MANAGEMENT LLC	0.01%	28K	10K	28K	+100.00%
Jun 30, 2020	TCI WEALTH ADVISORS, INC.	0%	3K	1K	3K	+100.00%
Jun 30, 2020	DOWLING & YAHNKE LLC	0.01%	22.87K	8K	0	0
Jun 30, 2020	HAP TRADING, LLC	0%	15.6K	-	15.6K	+100.00%
Jun 30, 2020	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0%	15.3K	5K	15.3K	+100.00%
Jun 30, 2020	OPPENHEIMER & CO INC	0%	14K	5K	0	0
Jun 30, 2020	VALLEY NATIONAL ADVISERS INC	0%	2K	1K	2K	+100.00%
Jun 30, 2020	TRUST CO OF VERMONT	0%	1.5K	1K	1.5K	+100.00%
Jun 30, 2020	VANGUARD GROUP INC	4.34%	14.83M	5.21M	10.28M	+225.88%
Jun 30, 2020	BLACKROCK INC.	2.64%	9.02M	3.17M	7.01M	+349.37%
Jun 30, 2020	SIO CAPITAL MANAGEMENT, LLC	2.39%	8.15M	2.86M	8.15M	+100.00%
Jun 30, 2020	TWO SIGMA SECURITIES, LLC	0.01%	37.25K	13K	23.53K	+171.59%
Jun 30, 2020	ROCKEFELLER CAPITAL MANAGEMENT L.P.	0.01%	35.44K	12K	10.44K	+41.75%
Jun 30, 2020	BRYN MAWR TRUST CO	0%	10K	4K	0	0
Jun 30, 2020	PRIVATE ADVISOR GROUP, LLC	0%	10K	4K	10K	+100.00%
Jun 30, 2020	IFP ADVISORS, INC	0%	4K	1K	0	0
Jun 30, 2020	CETERA ADVISOR NETWORKS LLC	0%	5K	2K	5K	+100.00%
Jun 30, 2020	RENAISSANCE TECHNOLOGIES LLC	1.06%	3.61M	1.27M	2.42M	+203.97%
Jun 30, 2020	J. GOLDMAN & CO LP	0.63%	2.15M	756K	2.15M	+100.00%

Insiders

Among the ATNM insiders holding of 2.36% of the stake in company, MEMORIAL SLOAN-KETTERING CANCER CENTER, 10 percent owner, holds the largest shares of 4.71M. SETH SANDESH, Chairman & CEO, is the second largest ATNM insider with ownership of 153.33K shares. O'LOUGHLIN STEVE, Principal Financial Officer, stands third with possession of 35.5K shares of that stake.

Insiders	Designation	Shares Held
MEMORIAL SLOAN-KETTERING CANCER CENTER	10 percent owner	4.71M
SETH SANDESH	Chairman & CEO	153.33K
O'LOUGHLIN STEVE	Principal Financial Officer	35.5K
SHETTY AJIT	director	22.73K
RAY NITYA G.	Executive Vice President	10K
LUDWIG DALE L.	Chief Scientific Officer	10K
BERGER MARK STANLEY	Chief Medical Officer	5K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Dec 10, 2018	SETH SANDESH	PURCHASE	0.44	10K	4.37K	153.33K
Dec 10, 2018	O'LOUGHLIN STEVE	PURCHASE	0.43	10K	4.35K	35.5K
Nov 19, 2018	LUDWIG DALE L.	PURCHASE	0.45	10K	4.5K	10K
Jul 17, 2018	SETH SANDESH	PURCHASE	0.79	10K	7.9K	143.33K
Jun 15, 2018	O'LOUGHLIN STEVE	PURCHASE	0.50	12K	6K	25.5K
Apr 19, 2018	SETH SANDESH	PURCHASE	0.38	5K	1.9K	133.33K
Feb 28, 2018	SHETTY AJIT	PURCHASE	0.43	22.73K	9.77K	22.73K
Aug 02, 2017	SETH SANDESH	PURCHASE	0.75	33.33K	25K	75.83K
Aug 02, 2017	RAY NITYA G.	PURCHASE	0.75	10K	7.5K	10K
Jun 15, 2017	O'LOUGHLIN STEVE	PURCHASE	1.17	3.5K	4.1K	3.5K
Jun 15, 2017	BERGER MARK STANLEY	PURCHASE	1.11	5K	5.55K	5K
Jun 15, 2017	SETH SANDESH	PURCHASE	1.17	2.5K	2.93K	37.5K
Dec 30, 2016	SETH SANDESH	PURCHASE	0.88	5K	4.4K	35K
Dec 12, 2016	SETH SANDESH	PURCHASE	0.98	5K	4.9K	30K
Aug 31, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.87	14.17K	26.49K	4.71M
Aug 30, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.82	100	182	4.85M
Aug 29, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.72	12.5K	21.5K	4.9M
Aug 26, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.71	12K	20.52K	4.93M
Aug 16, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.73	400	690	4.95M
Aug 15, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.72	4.44K	7.64K	4.96M
Jul 12, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.81	100	181	4.96M
Jul 11, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.80	800	1.44K	4.97M
Jul 08, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.80	21.19K	38.14K	4.97M
Jul 06, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.80	10.5K	18.9K	4.99M
Jul 05, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.83	4.34K	7.94K	5M
Jul 01, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.91	300	573	5.01M
Jun 30, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.82	3.35K	6.1K	5.14M
Jun 15, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.90	33.62K	63.88K	5.16M
Jun 02, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	2.02	6.79K	13.72K	5.19M
Jun 01, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	2.18	200	436	5.21M
May 31, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.95	6.76K	13.17K	5.25M
May 26, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.94	200	387	5.38M
May 25, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	1.92	100	192	5.42M
Apr 22, 2016	MEMORIAL SLOAN-KETTERING CANCER CENTER	SALE	2.08	1K	2.08K	5.48M

Frequently Asked Questions