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SELLAS Life Sciences Group (SLS) Institutional Ownership

SELLAS Life Sciences Group logo
$1.99 +0.08 (+4.19%)
Closing price 04:00 PM Eastern
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$2.02 +0.03 (+1.51%)
As of 07:59 PM Eastern
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Institutional Ownership Changes (13F Filings) for SELLAS Life Sciences Group (NASDAQ:SLS)

Current
Institutional Ownership
Percentage
17.38%
Number of
Institutional Buyers
(last 12 months)
23
Total
Institutional Inflows
(last 12 months)
$20.41M
Number of
Institutional Sellers
(last 12 months)
3
Total
Institutional Outflows
(last 12 months)
$65.54K
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SLS Institutional Buying and Selling by Quarter

SELLAS Life Sciences Group Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/22/2025 NORTHSTAR ASSET MANAGEMENT Co40,320$65K0.0%N/A0.032%
10/9/2025 Voya Investment Management LLC17,444$28K0.0%-36.6%0.017%
8/15/2025Great Valley Advisor Group Inc.20,000$44K0.0%N/A0.019%
8/15/2025Bank of America Corp DE34,579$76K0.0%+5,459.3%0.033%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.52,210$114K0.0%N/A0.052%
8/14/2025The Manufacturers Life Insurance Company 34,551$76K0.0%N/A0.035%
8/13/2025Marshall Wace LLP2,715,489$5.95M0.0%+23,550.0%2.721%
8/13/2025Invesco Ltd.50,166$110K0.0%N/A0.050%
8/13/2025New York State Common Retirement Fund49,300$108K0.0%N/A0.049%
8/12/2025XTX Topco Ltd76,900$168K0.0%N/A0.077%
8/12/2025Rhumbline Advisers135,789$297K0.0%N/A0.136%
8/12/2025JPMorgan Chase & Co.61,892$136K0.0%N/A0.062%
8/8/2025Intech Investment Management LLC46,217$101K0.0%N/A0.046%
8/8/2025Police & Firemen s Retirement System of New Jersey23,351$51K0.0%N/A0.023%
8/8/2025Geode Capital Management LLC2,200,428$4.82M0.0%+168.2%2.205%
8/7/2025ProShare Advisors LLC19,571$43K0.0%N/A0.020%
8/4/2025 Simon Quick Advisors LLC20,000$44K0.0%N/A0.020%
7/24/2025Blair William & Co. IL16,002$35K0.0%N/A0.016%
5/14/2025Anson Funds Management LP7,579,095$8.19M1.3%+535.7%7.596%
5/12/2025Virtu Financial LLC53,861$58K0.0%+30.9%0.057%
2/28/2025Brooklyn FI LLC594,919$677K0.1%N/A0.845%
2/17/2025Anson Funds Management LP1,192,266$1.24M0.1%+50.2%1.694%
2/14/2025Northern Trust Corp134,721$140K0.0%+33.6%0.191%
2/13/2025XTX Topco Ltd53,426$56K0.0%-14.9%0.076%
2/12/2025Geode Capital Management LLC733,546$763K0.0%+21.2%1.042%
2/11/2025Virtu Financial LLC41,155$43K0.0%-48.1%0.058%
2/11/2025Brooklyn FI LLC594,919$677K0.0%N/A0.845%
1/31/2025Opus Capital Group LLC238,500$248K0.0%+5.5%0.339%
11/20/2024Virtu Financial LLC79,241$99K0.0%+24.1%0.113%
11/16/2024Geode Capital Management LLC605,191$757K0.0%+17.1%0.941%
11/15/2024Anson Funds Management LP793,835$992K0.0%N/A1.234%
11/15/2024XTX Topco Ltd62,785$78K0.0%N/A0.098%
11/15/2024State Street Corp174,529$218K0.0%+30.2%0.271%
8/9/2024Renaissance Technologies LLC32,446$39K0.0%N/A0.056%
5/20/2024Virtu Financial LLC39,429$40K0.0%-34.2%0.068%
5/14/2024Anson Funds Management LP4,832,368$4.88M0.3%N/A8.366%
4/26/2024Opus Capital Group LLC200,600$203K0.0%+48.6%0.356%
2/13/2024Armistice Capital LLC820,000$869K0.0%N/A2.558%
1/31/2024Opus Capital Group LLC135,000$143K0.0%+291.3%0.421%
9/12/2023Prosperity Financial Group Inc.29,800$47K0.0%N/A0.105%
5/11/2023Highbridge Capital Management LLC1,805,054$2.58M0.0%N/A6.367%
1/18/2023Opus Capital Group LLC19,672$46K0.0%N/A0.096%
11/15/2022Empery Asset Management LP308,466$623K3.7%-66.8%1.501%
2/14/2022GSA Capital Partners LLP10,447$58K0.0%N/A0.066%
2/11/2022Equitable Holdings Inc.102,000$564K0.0%+2.0%0.642%
11/12/2021Jump Financial LLC14,627$134K0.0%N/A0.092%
11/12/2021Equitable Holdings Inc.100,000$916K0.0%+6.0%0.630%
11/12/2021Geode Capital Management LLC133,801$1.23M0.0%+32.0%0.843%
8/25/2021Marshall Wace LLP84,544$938K0.0%+63.0%0.533%
8/17/2021Price T Rowe Associates Inc. MD15,500$172K0.0%-42.8%0.103%
8/16/2021Pinz Capital Management LP10,700$119K0.0%-18.3%0.071%
8/16/2021State Street Corp37,468$416K0.0%N/A0.248%
8/16/2021Marshall Wace LLP84,544$938K0.0%+63.0%0.560%
8/13/2021Northern Trust Corp24,605$273K0.0%+35.9%0.163%
8/13/2021Geode Capital Management LLC101,337$1.12M0.0%+6.8%0.672%
8/13/2021Vanguard Group Inc.618,534$6.87M0.0%+31.6%4.100%
8/12/2021Dimensional Fund Advisors LP20,320$226K0.0%+31.9%0.135%
8/11/2021Bank of New York Mellon Corp20,332$226K0.0%+30.3%0.135%
(Data available from 1/1/2016 forward)

SLS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of SLS shares?

During the previous two years, 26 institutional investors and hedge funds held shares of SELLAS Life Sciences Group. The most heavily invested institutionals were Anson Funds Management LP ($8.19M), Marshall Wace LLP ($5.95M), Geode Capital Management LLC ($4.82M), Armistice Capital LLC ($869K), Brooklyn FI LLC ($677K), Rhumbline Advisers ($297K), and Opus Capital Group LLC ($248K).Learn more on SELLAS Life Sciences Group's institutional investors.

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

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

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

Of the 25 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 ($12.41M), Marshall Wace LLP ($2.70M), Geode Capital Management LLC ($1.60M), Brooklyn FI LLC ($1.19M), Armistice Capital LLC ($820K), Opus Capital Group LLC ($178.50K), and XTX Topco Ltd ($139.69K).

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

Institutional investors have bought a total of 13,927,359 shares in the last 24 months. This purchase volume represents approximately $20.41M in transactions.

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

The following institutional investors have sold SELLAS Life Sciences Group stock in the last 24 months: Virtu Financial LLC ($38.09K), Voya Investment Management LLC ($10.06K), and XTX Topco Ltd ($9.36K).

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

Institutional investors have sold a total of 57,504 shares in the last 24 months. This volume of shares sold represents approximately $65.54K in transactions.


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This page (NASDAQ:SLS) was last updated on 10/24/2025 by MarketBeat.com Staff
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