SELLAS Life Sciences Group (SLS) Institutional Ownership

$8.19 -0.14 (-1.68%)

Closing price 04:00 PM Eastern

Extended Trading

$8.06 -0.13 (-1.60%)

As of 08:00 PM Eastern

Compare

Current Institutional Ownership Percentage: 17.38%
Number of Institutional Buyers (last 12 months): 68
Total Institutional Inflows (last 12 months): $45.83M

Number of Institutional Sellers (last 12 months): 14
Total Institutional Outflows (last 12 months): $6.62M

Get SLS Insider Trade Alerts

Want to know when executives and insiders are buying or selling SELLAS Life Sciences Group stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Subscribe Now

SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.

SLS Institutional Buying and Selling by Quarter

SELLAS Life Sciences Group Major Shareholders & Ownership History

Export

Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/19/2026	Bank of America Corp DE	641,683	$2.71M	0.0%	+535.7%	0.345%
5/18/2026	California State Teachers Retirement System	9,337	$39K	0.0%	+22.4%	0.005%
5/16/2026	The Manufacturers Life Insurance Company	45,691	$193K	0.0%	+20.2%	0.025%
5/16/2026	Quantinno Capital Management LP	74,378	$315K	0.0%	N/A	0.040%
5/6/2026	Independent Financial Group LLC	23,250	$98K	0.0%	N/A	0.013%
5/5/2026	Wealthfront Advisers LLC	11,436	$48K	0.0%	N/A	0.006%
5/5/2026	Bank of New York Mellon Corp	478,366	$2.02M	0.0%	+86.6%	0.259%
5/4/2026	Principal Financial Group Inc.	12,429	$53K	0.0%	N/A	0.007%
5/1/2026	Fifth Third Bancorp	59,807	$253K	0.0%	N/A	0.032%
4/27/2026	World Investment Advisors	24,616	$104K	0.0%	-44.2%	0.013%
Get the Latest News and Ratings for SLS and Related Stocks Enter your email address below to receive the latest news and analysts' ratings for SELLAS Life Sciences Group and its competitors with MarketBeat's FREE daily newsletter.
4/23/2026	SJS Investment Consulting Inc.	25,000	$106K	0.0%	N/A	0.014%
4/21/2026	Dagco Inc.	1,028,780	$4.35M	0.9%	+78.1%	0.573%
4/16/2026	SG Americas Securities LLC	15,166	$64K	0.0%	-58.4%	0.008%
4/16/2026	Financial Designs Corp	23,327	$99K	0.1%	N/A	0.013%
3/13/2026	World Investment Advisors	44,123	$166K	0.0%	N/A	0.031%
3/3/2026	Caitong International Asset Management Co. Ltd	55,129	$208K	0.1%	+408.9%	0.039%
2/19/2026	Invesco Ltd.	53,293	$201K	0.0%	+6.2%	0.037%
2/19/2026	Axxcess Wealth Management LLC	35,370	$133K	0.0%	+121.1%	0.025%
2/18/2026	Beacon Pointe Advisors LLC	10,000	$38K	0.0%	N/A	0.007%
2/18/2026	XTX Topco Ltd	118,440	$447K	0.0%	N/A	0.083%
2/18/2026	Millennium Management LLC	1,387,849	$5.23M	0.0%	+341.0%	0.974%
2/18/2026	Boothbay Fund Management LLC	13,800	$52K	0.0%	N/A	0.010%
2/17/2026	Equitable Holdings Inc.	32,060	$121K	0.0%	+18.5%	0.023%
2/17/2026	Price T Rowe Associates Inc. MD	63,026	$238K	0.0%	+31.4%	0.044%
2/17/2026	Regal Investment Advisors LLC	35,900	$135K	0.0%	N/A	0.025%
2/17/2026	Blair William & Co. IL	26,002	$98K	0.0%	+62.5%	0.018%
2/16/2026	Squarepoint Ops LLC	13,285	$50K	0.0%	-71.2%	0.009%
2/16/2026	Mariner LLC	159,150	$600K	0.0%	+46.3%	0.112%
2/13/2026	Marshall Wace LLP	1,340,668	$5.05M	0.0%	-43.1%	0.941%
2/13/2026	The Manufacturers Life Insurance Company	38,018	$143K	0.0%	+13.6%	0.027%
2/13/2026	Stifel Financial Corp	13,036	$49K	0.0%	N/A	0.009%
2/13/2026	Charles Schwab Investment Management Inc.	408,401	$1.54M	0.0%	+38.9%	0.287%
2/13/2026	Police & Firemen s Retirement System of New Jersey	34,743	$131K	0.0%	+48.8%	0.024%
2/13/2026	State Street Corp	2,188,171	$8.25M	0.0%	+60.8%	1.536%
2/13/2026	Caitong International Asset Management Co. Ltd	19,777	$75K	0.2%	+82.6%	0.014%
2/13/2026	Wells Fargo & Company MN	299,305	$1.13M	0.0%	+294.5%	0.210%
2/12/2026	MetLife Investment Management LLC	27,181	$102K	0.0%	-32.0%	0.019%
2/12/2026	Commonwealth Equity Services LLC	29,244	$110K	0.0%	+84.5%	0.021%
2/12/2026	New York State Common Retirement Fund	6,900	$26K	0.0%	-86.0%	0.005%
2/12/2026	Nuveen LLC	1,023,961	$3.86M	0.0%	+2.6%	0.719%
Louis Navellier: My #1 AI stock for 2026 (name & ticker inside) (Ad) Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top S&P 500 stock for 12 years running—and today, he's giving away his #1 AI stock pick for 2026, free. This company's sales are up 28% year over year, it holds over 30,000 patents in wireless and video technology, and it just earned an A-rating in his proprietary Stock Grader system that has cost him $9 million to build and maintain. Get the name and ticker of Louis Navellier's #1 AI stock free
2/11/2026	Deutsche Bank AG	91,688	$346K	0.0%	-24.2%	0.064%
2/10/2026	Goldman Sachs Group Inc.	411,654	$1.55M	0.0%	+2,036.8%	0.289%
2/10/2026	Intech Investment Management LLC	40,272	$152K	0.0%	-13.1%	0.028%
2/9/2026	Geode Capital Management LLC	3,077,337	$11.60M	0.0%	+35.9%	2.160%
2/9/2026	Millington Financial Advisors LLC	25,000	$93K	0.0%	N/A	0.018%
2/6/2026	Axxcess Wealth Management LLC	35,370	$133K	0.0%	+121.1%	0.025%
2/6/2026	GSA Capital Partners LLP	345,052	$1.30M	0.1%	-33.5%	0.242%
2/6/2026	Larson Financial Group LLC	6,993	$26K	0.0%	N/A	0.005%
2/6/2026	ProShare Advisors LLC	22,638	$85K	0.0%	+31.5%	0.016%
2/4/2026	World Investment Advisors	44,123	$166K	0.0%	N/A	0.031%
2/4/2026	Money Concepts Capital Corp	10,600	$40K	0.0%	N/A	0.007%
2/3/2026	EWA LLC	12,796	$48K	0.0%	N/A	0.009%
2/3/2026	Grange Capital LLC	16,001	$60K	0.1%	+18.5%	0.011%
1/30/2026	Opus Capital Group LLC	317,100	$1.20M	0.1%	+26.8%	0.223%
1/29/2026	Concurrent Investment Advisors LLC	10,085	$38K	0.0%	N/A	0.007%
1/27/2026	NORTHSTAR ASSET MANAGEMENT Co	50,000	$188K	0.0%	+24.0%	0.035%
1/26/2026	CWM LLC	11,782	$44K	0.0%	+124.7%	0.008%
1/23/2026	Visionary Horizons LLC	36,000	$136K	0.1%	N/A	0.025%
1/15/2026	Jaffetilchin Investment Partners LLC	24,338	$92K	0.0%	N/A	0.017%
1/9/2026	SG Americas Securities LLC	36,450	$137K	0.0%	+88.2%	0.026%
1/8/2026	Dagco Inc.	577,540	$2.18M	0.5%	N/A	0.405%
1/7/2026	Everhart Financial Group Inc.	466,216	$1.76M	0.2%	+40.8%	0.327%
1/1/2026	JPMorgan Chase & Co.	40,722	$66K	0.0%	-34.2%	0.029%
11/17/2025	Millennium Management LLC	314,702	$507K	0.0%	-72.1%	0.252%
11/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	44,647	$72K	0.0%	-14.5%	0.036%
11/17/2025	Bank of America Corp DE	42,150	$68K	0.0%	+21.9%	0.034%
11/17/2025	Anson Funds Management LP	6,032,938	$9.71M	0.8%	+2,093.8%	4.823%
11/14/2025	Equitable Holdings Inc.	27,060	$44K	0.0%	+58.6%	0.022%
11/14/2025	Two Sigma Investments LP	145,856	$235K	0.0%	-26.2%	0.117%
11/14/2025	Squarepoint Ops LLC	46,180	$74K	0.0%	+186.4%	0.037%
11/13/2025	Sei Investments Co.	26,581	$43K	0.0%	N/A	0.021%
11/13/2025	BNP Paribas Financial Markets	19,724	$32K	0.0%	+89.2%	0.016%
11/12/2025	Trustmark Bank Trust Department	36,511	$59K	0.0%	N/A	0.029%
11/7/2025	Axxcess Wealth Management LLC	16,000	$26K	0.0%	N/A	0.013%
11/7/2025	GSA Capital Partners LLP	518,995	$836K	0.1%	+21.7%	0.415%
11/7/2025	Vanguard Group Inc.	6,839,905	$11.01M	0.0%	+2.8%	5.468%
11/7/2025	JPMorgan Chase & Co.	40,722	$66K	0.0%	-34.2%	0.033%
11/4/2025	Tyche Wealth Partners LLC	37,500	$60K	0.0%	N/A	0.030%
11/4/2025	Everhart Financial Group Inc.	331,150	$533K	0.1%	N/A	0.265%
11/3/2025	Genesee Capital Advisors LLC	30,000	$48K	0.0%	N/A	0.024%
10/31/2025	Instrumental Wealth LLC	44,914	$72K	0.1%	N/A	0.036%
10/31/2025	Stoneridge Investment Partners LLC	53,709	$86K	0.1%	N/A	0.043%
10/31/2025	Opus Capital Group LLC	250,000	$403K	0.0%	+4.2%	0.200%
10/29/2025	Scissortail Wealth Management LLC	27,322	$44K	0.0%	N/A	0.022%
10/22/2025	NORTHSTAR ASSET MANAGEMENT Co	40,320	$65K	0.0%	N/A	0.032%
10/9/2025	Voya Investment Management LLC	17,444	$28K	0.0%	-36.6%	0.017%
8/15/2025	Great Valley Advisor Group Inc.	20,000	$44K	0.0%	N/A	0.019%
8/15/2025	Bank of America Corp DE	34,579	$76K	0.0%	+5,459.3%	0.033%
8/14/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	52,210	$114K	0.0%	N/A	0.052%
8/14/2025	The Manufacturers Life Insurance Company	34,551	$76K	0.0%	N/A	0.035%
Louis Navellier: My #1 AI stock for 2026 (name & ticker inside) (Ad) Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top S&P 500 stock for 12 years running—and today, he's giving away his #1 AI stock pick for 2026, free. This company's sales are up 28% year over year, it holds over 30,000 patents in wireless and video technology, and it just earned an A-rating in his proprietary Stock Grader system that has cost him $9 million to build and maintain. Get the name and ticker of Louis Navellier's #1 AI stock free
8/13/2025	Marshall Wace LLP	2,715,489	$5.95M	0.0%	+23,550.0%	2.721%
8/13/2025	Invesco Ltd.	50,166	$110K	0.0%	N/A	0.050%
8/13/2025	New York State Common Retirement Fund	49,300	$108K	0.0%	N/A	0.049%
8/12/2025	XTX Topco Ltd	76,900	$168K	0.0%	N/A	0.077%
8/12/2025	Rhumbline Advisers	135,789	$297K	0.0%	N/A	0.136%
8/12/2025	JPMorgan Chase & Co.	61,892	$136K	0.0%	N/A	0.062%
8/8/2025	Intech Investment Management LLC	46,217	$101K	0.0%	N/A	0.046%
8/8/2025	Police & Firemen s Retirement System of New Jersey	23,351	$51K	0.0%	N/A	0.023%
8/8/2025	Geode Capital Management LLC	2,200,428	$4.82M	0.0%	+168.2%	2.205%
8/7/2025	ProShare Advisors LLC	19,571	$43K	0.0%	N/A	0.020%

SLS Institutional Ownership - Frequently Asked Questions

During the previous two years, 76 institutional investors and hedge funds held shares of SELLAS Life Sciences Group. The most heavily invested institutionals were Geode Capital Management LLC ($11.60M), Vanguard Group Inc. ($11.01M), Anson Funds Management LP ($9.71M), State Street Corp ($8.25M), Millennium Management LLC ($5.23M), Marshall Wace LLP ($5.05M), and Dagco Inc. ($4.35M).Learn more on SELLAS Life Sciences Group's institutional investors.

17.38% of SELLAS Life Sciences Group's stock is owned by institutional investors. Learn more on SLS's institutional investor holdings.

Of the 72 institutional investors that purchased SELLAS Life Sciences Group's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Anson Funds Management LP ($13.34M), Marshall Wace LLP ($2.70M), Geode Capital Management LLC ($2.41M), Brooklyn FI LLC ($1.19M), Millennium Management LLC ($1.07M), Dagco Inc. ($1.03M), and State Street Corp ($867.76K).

Institutional investors have bought a total of 17,823,785 shares in the last 24 months. This purchase volume represents approximately $45.83M in transactions.

Of the 14 institutional investors that sold SELLAS Life Sciences Group's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Marshall Wace LLP ($1.02M), Millennium Management LLC ($812.52K), GSA Capital Partners LLP ($173.94K), Two Sigma Investments LP ($51.79K), New York State Common Retirement Fund ($42.40K), JPMorgan Chase & Co. ($42.34K), and Squarepoint Ops LLC ($32.90K).

Institutional investors have sold a total of 2,279,841 shares in the last 24 months. This volume of shares sold represents approximately $6.62M in transactions.

Related Companies

This page (NASDAQ:SLS) was last updated on 6/3/2026 by MarketBeat.com Staff.

From Our Partners

Get 30 Days of MarketBeat All Access for Free

Start Your 30-Day Trial

In-depth profiles and analysis for 20,000 public companies.
Real-time analyst ratings, insider transactions, earnings data, and more.
Our daily ratings and market update email newsletter.

Sign In
Create Account

Your Email Address:

Your Password:

Forgot your password?

Your Email Address:

Choose a Password:

By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

SELLAS Life Sciences Group (SLS) Institutional Ownership

SLS Institutional Buying and Selling by Quarter

SELLAS Life Sciences Group Major Shareholders & Ownership History

SLS Institutional Ownership - Frequently Asked Questions

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools

About MarketBeat

MarketBeat Products

Popular Tools

Financial Calendars

Terms & Info

SELLAS Life Sciences Group (SLS) Institutional Ownership

Institutional Ownership Changes (13F Filings) for SELLAS Life Sciences Group (NASDAQ:SLS)

SLS Institutional Buying and Selling by Quarter

SELLAS Life Sciences Group Major Shareholders & Ownership History

SLS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of SLS shares?

What percentage of SELLAS Life Sciences Group's stock is owned by institutional investors?

Which institutional investors have been buying SELLAS Life Sciences Group's stock?

How much institutional buying is happening at SELLAS Life Sciences Group?

Which of SELLAS Life Sciences Group's major shareholders have been selling company stock?

How much institutional selling is happening at SELLAS Life Sciences Group?

MarketBeat All Access Features

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools