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 (+279.6%) 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 | $6.76M |
| Q2 2024 | 30 | $4.86M |
| Q1 2024 | 30 | $7.82M |
| Q4 2023 | 31 | $3.72M |
| 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 | $9.59M |
| 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 |
|---|---|---|---|---|---|
| Parkside Financial Bank & Trust | 2 | $5 | 0.00% | 00.0% | Unchanged |
| Caldwell Sutter Capital, Inc. | 100 | $219 | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 231 | $506 | 0.00% | +231 | New |
| Jones Financial Companies LLLP | 374 | $729 | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 389 | $852 | 0.00% | +389 | New |
| Avion Wealth | 573 | $1.00K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 1,000 | $2.19K | 0.00% | +1,000 | New |
| Royal Bank of Canada | 2,574 | $5.00K | 0.00% | −10,551−80.4% | Reduced |
| Deutsche Bank AG | 2,335 | $5.11K | 0.00% | +2,335 | New |
| Raymond James Financial Inc | 2,652 | $5.81K | 0.00% | +2,652 | New |
| Amalgamated Bank | 3,259 | $7.00K | 0.00% | +3,259 | New |
| Caitong International Asset Management Co., Ltd | 5,124 | $11.2K | 0.01% | +5,124 | New |
| SBI Securities Co., Ltd. | 5,726 | $12.5K | 0.00% | +298+5.5% | Added |
| California State Teachers Retirement System | 5,955 | $13.0K | 0.00% | +5,955 | New |
| Advisor Group Holdings, Inc. | 7,660 | $16.8K | 0.00% | +5,000+188.0% | Added |
| Ameritas Investment Partners, Inc. | 9,744 | $21.3K | 0.00% | +9,744 | 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 |
| Marshall Financial Group LLC | 10,309 | $22.4K | 0.00% | +10,309 | New |
| Brooklyn FI, LLC | 10,240 | $22.4K | 0.01% | +100+1.0% | Added |
| BNP Paribas Arbitrage, SA | 10,425 | $22.8K | 0.00% | +10,425 | New |
| Legal & General Group Plc | 10,626 | $23.3K | 0.00% | +10,626 | New |
| Calton & Associates, Inc. | 11,000 | $24.1K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 11,647 | $25.5K | 0.00% | +11,647 | New |
| CIBC World Markets Corp | 11,759 | $25.8K | 0.00% | +11,759 | New |
| Grange Capital, LLC | 13,501 | $29.6K | 0.03% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 15,465 | $33.9K | 0.00% | −5,424−26.0% | Reduced |
| Blair William & Co | 16,002 | $35.0K | 0.00% | +16,002 | New |
| Squarepoint Ops LLC | 16,122 | $35.3K | 0.00% | +16,122 | New |
| Prosperity Financial Group, Inc. | 16,500 | $36.1K | 0.02% | 00.0% | Unchanged |
| Equitable Holdings, Inc. | 17,060 | $37.4K | 0.00% | +5,000+41.5% | Added |
| Commonwealth Equity Services, LLC | 19,248 | $42.0K | 0.00% | +7,094+58.4% | Added |
| ProShare Advisors LLC | 19,571 | $42.9K | 0.00% | +19,571 | New |
| Simon Quick Advisors, LLC | 20,000 | $43.8K | 0.00% | +20,000 | New |
| Great Valley Advisor Group, Inc. | 20,000 | $44.0K | 0.00% | +20,000 | New |
| SG Americas Securities, LLC | 20,910 | $46.0K | 0.00% | +20,910 | New |
| Independent Financial Group, LLC | 23,250 | $50.9K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 23,351 | $51.1K | 0.00% | +23,351 | New |
| Quadrature Capital Ltd | 24,284 | $52.7K | 0.00% | +3,611+17.5% | Added |
| Voya Investment Management LLC | 27,503 | $60.2K | 0.00% | +27,503 | New |
| Cubist Systematic Strategies, LLC | 31,314 | $68.6K | 0.00% | +31,314 | New |
| Manufacturers Life Insurance Company, The | 34,551 | $75.7K | 0.00% | +34,551 | New |
| Bank of America Corp | 34,579 | $75.7K | 0.00% | +33,957+5,459.3% | Added |
| Citigroup Inc | 42,415 | $92.9K | 0.00% | +42,415 | New |
| Intech Investment Management LLC | 46,217 | $101.2K | 0.00% | +46,217 | New |
| Jane Street Group, LLC | 46,682 | $102.2K | 0.00% | −11,859−20.3% | Reduced |
| Price T Rowe Associates Inc | 47,959 | $106.0K | 0.00% | +47,959 | New |
| New York State Common Retirement Fund | 49,300 | $108.0K | 0.00% | +49,300 | New |
| Alliancebernstein L.P. | 49,960 | $109.4K | 0.00% | +49,960 | New |
| Invesco Ltd. | 50,166 | $109.9K | 0.00% | +50,166 | New |
| Mariner, LLC | 51,109 | $111.9K | 0.00% | −91−0.2% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 52,210 | $114.3K | 0.00% | +52,210 | New |
| Wells Fargo & Company | 53,815 | $117.9K | 0.00% | +50,812+1,692.0% | Added |
| Atom Investors LP | 54,624 | $119.6K | 0.01% | −9,592−14.9% | Reduced |
| MetLife Investment Management | 58,844 | $128.9K | 0.00% | +58,844 | New |
| JPMorgan Chase & Co | 61,892 | $135.5K | 0.00% | +61,892 | New |
| LPL Financial LLC | 67,560 | $148.0K | 0.00% | +1,816+2.8% | Added |
| XTX Topco Ltd | 76,900 | $168.4K | 0.01% | +76,900 | New |
| Citadel Advisors LLC | 84,993 | $186.1K | 0.00% | −264,512−75.7% | Reduced |
| Rhumbline Advisers | 135,789 | $297.4K | 0.00% | +135,789 | New |
| Barclays PLC | 172,803 | $378.4K | 0.00% | +172,803 | New |
| Two Sigma Investments, LP | 197,642 | $432.8K | 0.00% | +149,355+309.3% | Added |
| Bank of New York Mellon Corp | 201,460 | $441.2K | 0.00% | +201,460 | New |
| Opus Capital Group, LLC | 240,000 | $526.0K | 0.06% | +500+0.2% | Added |
| Anson Funds Management LP | 275,000 | $602.3K | 0.11% | −7,304,095−96.4% | Reduced |
| Charles Schwab Investment Management Inc | 294,106 | $644.1K | 0.00% | +277,868+1,711.2% | Added |
| UBS Group AG | 309,687 | $678.2K | 0.00% | +247,456+397.6% | Added |
| Gsa Capital Partners LLP | 426,584 | $934.0K | 0.07% | +403,857+1,777.0% | Added |
| Goldman Sachs Group Inc | 465,506 | $1.02M | 0.00% | +465,506 | New |
| Northern Trust Corp | 698,493 | $1.53M | 0.00% | +534,103+324.9% | Added |
| Nuveen, LLC | 971,329 | $2.13M | 0.00% | +971,329 | New |
| Morgan Stanley | 1,084,478 | $2.38M | 0.00% | +1,018,028+1,532.0% | Added |
| State Street Corp | 1,112,705 | $2.44M | 0.00% | +835,676+301.7% | Added |
| Millennium Management LLC | 1,127,225 | $2.47M | 0.00% | +1,127,225 | New |
| Susquehanna International Group, LLP | 1,489,672 | $3.26M | 0.00% | +800,976+116.3% | Added |
| Geode Capital Management, LLC | 2,200,428 | $4.82M | 0.00% | +1,379,988+168.2% | Added |
| Marshall Wace, LLP | 2,715,489 | $5.95M | 0.01% | +2,704,007+23,550.0% | Added |
| BlackRock, Inc. | 4,590,273 | $10.1M | 0.00% | +4,051,813+752.5% | Added |
| Vanguard Group Inc | 6,654,799 | $14.6M | 0.00% | +3,815,481+134.4% | Added |
| 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 |