SELLAS Life Sciences Group, Inc.
SLS- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001390478
No open-market purchases or sales by SELLAS Life Sciences Group, Inc. insiders were filed in the last 90 days; 193 institutions reported holding it in 13F filings for Q2 2026, worth $1.08B in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in SELLAS Life Sciences Group, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 79
- +34 vs. Q1 2025
- Shares held
- 26.8M
- +12.5M (+87.2%) vs. Q1 2025
- Total value
- $58.7M
- +$43.2M (+279.7%) vs. Q1 2025
- New holders
- 40
- 22 more added
- Sold out
- 6
- 7 more reduced
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SLS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 193 | $1.08B |
| Q1 2026 | 160 | $228.4M |
| Q4 2025 | 112 | $133.7M |
| Q3 2025 | 94 | $53.1M |
| Q2 2025 | 79 | $58.7M |
| Q1 2025 | 45 | $15.5M |
| Q4 2024 | 31 | $6.47M |
| Q3 2024 | 33 | $6.77M |
| Q2 2024 | 30 | $4.86M |
| Q1 2024 | 30 | $7.82M |
| Q4 2023 | 31 | $3.74M |
| Q3 2023 | 28 | $4.54M |
| Q2 2023 | 25 | $4.91M |
| Q1 2023 | 22 | $4.28M |
| Q4 2022 | 29 | $4.46M |
| Q3 2022 | 28 | $4.42M |
| Q2 2022 | 26 | $6.64M |
| Q1 2022 | 26 | $11.3M |
| Q4 2021 | 27 | $10.1M |
| Q3 2021 | 30 | $17.1M |
| Q2 2021 | 29 | $21.3M |
| Q1 2021 | 31 | $13.3M |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding SELLAS Life Sciences Group, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 6,654,799 | $14.6M | 0.00% | +3,815,481+134.4% | Added |
| BlackRock, Inc. | 4,590,273 | $10.1M | 0.00% | +4,051,813+752.5% | Added |
| Marshall Wace, LLP | 2,715,489 | $5.95M | 0.01% | +2,704,007+23,550.0% | Added |
| Geode Capital Management, LLC | 2,200,428 | $4.82M | 0.00% | +1,379,988+168.2% | Added |
| Susquehanna International Group, LLP | 1,489,672 | $3.26M | 0.00% | +800,976+116.3% | Added |
| Millennium Management LLC | 1,127,225 | $2.47M | 0.00% | +1,127,225 | New |
| State Street Corp | 1,112,705 | $2.44M | 0.00% | +835,676+301.7% | Added |
| Morgan Stanley | 1,084,478 | $2.38M | 0.00% | +1,018,028+1,532.0% | Added |
| Nuveen, LLC | 971,329 | $2.13M | 0.00% | +971,329 | New |
| Northern Trust Corp | 698,493 | $1.53M | 0.00% | +534,103+324.9% | Added |
| Goldman Sachs Group Inc | 465,506 | $1.02M | 0.00% | +465,506 | New |
| Gsa Capital Partners LLP | 426,584 | $934.0K | 0.07% | +403,857+1,777.0% | Added |
| UBS Group AG | 309,687 | $678.2K | 0.00% | +247,456+397.6% | Added |
| Charles Schwab Investment Management Inc | 294,106 | $644.1K | 0.00% | +277,868+1,711.2% | Added |
| Anson Funds Management LP | 275,000 | $602.3K | 0.11% | −7,304,095−96.4% | Reduced |
| Opus Capital Group, LLC | 240,000 | $526.0K | 0.06% | +500+0.2% | Added |
| Bank of New York Mellon Corp | 201,460 | $441.2K | 0.00% | +201,460 | New |
| Two Sigma Investments, LP | 197,642 | $432.8K | 0.00% | +149,355+309.3% | Added |
| Barclays PLC | 172,803 | $378.4K | 0.00% | +172,803 | New |
| Rhumbline Advisers | 135,789 | $297.4K | 0.00% | +135,789 | New |
| Citadel Advisors LLC | 84,993 | $186.1K | 0.00% | −264,512−75.7% | Reduced |
| XTX Topco Ltd | 76,900 | $168.4K | 0.01% | +76,900 | New |
| LPL Financial LLC | 67,560 | $148.0K | 0.00% | +1,816+2.8% | Added |
| JPMorgan Chase & Co | 61,892 | $135.5K | 0.00% | +61,892 | New |
| MetLife Investment Management | 58,844 | $128.9K | 0.00% | +58,844 | New |
| Atom Investors LP | 54,624 | $119.6K | 0.01% | −9,592−14.9% | Reduced |
| Wells Fargo & Company | 53,815 | $117.9K | 0.00% | +50,812+1,692.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 52,210 | $114.3K | 0.00% | +52,210 | New |
| Mariner, LLC | 51,109 | $111.9K | 0.00% | −91−0.2% | Reduced |
| Invesco Ltd. | 50,166 | $109.9K | 0.00% | +50,166 | New |
| Alliancebernstein L.P. | 49,960 | $109.4K | 0.00% | +49,960 | New |
| New York State Common Retirement Fund | 49,300 | $108.0K | 0.00% | +49,300 | New |
| Price T Rowe Associates Inc | 47,959 | $106.0K | 0.00% | +47,959 | New |
| Jane Street Group, LLC | 46,682 | $102.2K | 0.00% | −11,859−20.3% | Reduced |
| Intech Investment Management LLC | 46,217 | $101.2K | 0.00% | +46,217 | New |
| Citigroup Inc | 42,415 | $92.9K | 0.00% | +42,415 | New |
| Bank of America Corp | 34,579 | $75.7K | 0.00% | +33,957+5,459.3% | Added |
| Manufacturers Life Insurance Company, The | 34,551 | $75.7K | 0.00% | +34,551 | New |
| Cubist Systematic Strategies, LLC | 31,314 | $68.6K | 0.00% | +31,314 | New |
| Voya Investment Management LLC | 27,503 | $60.2K | 0.00% | +27,503 | New |
| Quadrature Capital Ltd | 24,284 | $52.7K | 0.00% | +3,611+17.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 23,351 | $51.1K | 0.00% | +23,351 | New |
| Independent Financial Group, LLC | 23,250 | $50.9K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 20,910 | $46.0K | 0.00% | +20,910 | New |
| Great Valley Advisor Group, Inc. | 20,000 | $44.0K | 0.00% | +20,000 | New |
| Simon Quick Advisors, LLC | 20,000 | $43.8K | 0.00% | +20,000 | New |
| ProShare Advisors LLC | 19,571 | $42.9K | 0.00% | +19,571 | New |
| Commonwealth Equity Services, LLC | 19,248 | $42.0K | 0.00% | +7,094+58.4% | Added |
| Equitable Holdings, Inc. | 17,060 | $37.4K | 0.00% | +5,000+41.5% | Added |
| Prosperity Financial Group, Inc. | 16,500 | $36.1K | 0.02% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 16,122 | $35.3K | 0.00% | +16,122 | New |
| Blair William & Co | 16,002 | $35.0K | 0.00% | +16,002 | New |
| Tower Research Capital LLC (TRC) | 15,465 | $33.9K | 0.00% | −5,424−26.0% | Reduced |
| Grange Capital, LLC | 13,501 | $29.6K | 0.03% | 00.0% | Unchanged |
| CIBC World Markets Corp | 11,759 | $25.8K | 0.00% | +11,759 | New |
| Victory Capital Management Inc | 11,647 | $25.5K | 0.00% | +11,647 | New |
| Calton & Associates, Inc. | 11,000 | $24.1K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 10,626 | $23.3K | 0.00% | +10,626 | New |
| BNP Paribas Arbitrage, SA | 10,425 | $22.8K | 0.00% | +10,425 | New |
| Brooklyn FI, LLC | 10,240 | $22.4K | 0.01% | +100+1.0% | Added |
| Marshall Financial Group LLC | 10,309 | $22.4K | 0.00% | +10,309 | New |
| Nemes Rush Group LLC | 10,000 | $21.9K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 10,000 | $21.9K | 0.01% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 9,744 | $21.3K | 0.00% | +9,744 | New |
| Advisor Group Holdings, Inc. | 7,660 | $16.8K | 0.00% | +5,000+188.0% | Added |
| California State Teachers Retirement System | 5,955 | $13.0K | 0.00% | +5,955 | New |
| SBI Securities Co., Ltd. | 5,726 | $12.5K | 0.00% | +298+5.5% | Added |
| Caitong International Asset Management Co., Ltd | 5,124 | $11.2K | 0.01% | +5,124 | New |
| Royal Bank of Canada | 5,148 | $10.0K | 0.00% | −7,977−60.8% | Reduced |
| Amalgamated Bank | 3,259 | $7.00K | 0.00% | +3,259 | New |
| Raymond James Financial Inc | 2,652 | $5.81K | 0.00% | +2,652 | New |
| Deutsche Bank AG | 2,335 | $5.11K | 0.00% | +2,335 | New |
| Global Retirement Partners, LLC | 1,000 | $2.19K | 0.00% | +1,000 | New |
| Avion Wealth | 573 | $1.00K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 389 | $852 | 0.00% | +389 | New |
| Jones Financial Companies LLLP | 374 | $729 | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 231 | $506 | 0.00% | +231 | New |
| Caldwell Sutter Capital, Inc. | 100 | $219 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 2 | $5 | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 0 | $0 | 0.00% | −53,861−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −34,892−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −27,400−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −20,660−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −12,969−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −12,481−100.0% | Sold out |