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, Q1 2025
Institutional positions in SELLAS Life Sciences Group, Inc. as of Mar 31, 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
- 45
- +14 vs. Q4 2024
- Shares held
- 14.3M
- +8.09M (+130.1%) vs. Q4 2024
- Total value
- $15.5M
- +$8.99M (+139.0%) vs. Q4 2024
- New holders
- 18
- 18 more added
- Sold out
- 4
- 3 more reduced
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding SELLAS Life Sciences Group, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avion Wealth | 573 | $0 | 0.00% | +573 | New |
| Parkside Financial Bank & Trust | 2 | $3 | 0.00% | 00.0% | Unchanged |
| Caldwell Sutter Capital, Inc. | 100 | $108 | 0.00% | +100 | New |
| Jones Financial Companies LLLP | 374 | $415 | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 622 | $672 | 0.00% | +50+8.7% | Added |
| Advisor Group Holdings, Inc. | 2,660 | $2.87K | 0.00% | +1,000+60.2% | Added |
| Wells Fargo & Company | 3,003 | $3.24K | 0.00% | +3,003 | New |
| SBI Securities Co., Ltd. | 5,428 | $5.86K | 0.00% | −36−0.7% | Reduced |
| Nemes Rush Group LLC | 10,000 | $10.8K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 10,000 | $10.8K | 0.00% | +10,000 | New |
| Brooklyn FI, LLC | 10,140 | $11.0K | 0.00% | +10,140 | New |
| Calton & Associates, Inc. | 11,000 | $11.9K | 0.00% | +11,000 | New |
| Marshall Wace, LLP | 11,482 | $12.4K | 0.00% | +11,482 | New |
| Commonwealth Equity Services, LLC | 12,154 | $13.0K | 0.00% | +100+0.8% | Added |
| Equitable Holdings, Inc. | 12,060 | $13.0K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 12,481 | $13.5K | 0.00% | +12,481 | New |
| Royal Bank of Canada | 13,125 | $14.0K | 0.00% | +12,925+6,462.5% | Added |
| Two Sigma Securities, LLC | 12,969 | $14.0K | 0.00% | +12,969 | New |
| Grange Capital, LLC | 13,501 | $14.6K | 0.02% | +13,501 | New |
| Charles Schwab Investment Management Inc | 16,238 | $17.5K | 0.00% | 00.0% | Unchanged |
| Prosperity Financial Group, Inc. | 16,500 | $17.8K | 0.01% | +5,000+43.5% | Added |
| Quadrature Capital Ltd | 20,673 | $22.2K | 0.00% | +20,673 | New |
| Hudson Bay Capital Management LP | 20,660 | $22.3K | 0.00% | +20,660 | New |
| Tower Research Capital LLC (TRC) | 20,889 | $22.6K | 0.00% | +15,584+293.8% | Added |
| Gsa Capital Partners LLP | 22,727 | $25.0K | 0.00% | +22,727 | New |
| Independent Financial Group, LLC | 23,250 | $25.1K | 0.00% | 00.0% | Unchanged |
| Jain Global LLC | 27,400 | $29.6K | 0.00% | +27,400 | New |
| Renaissance Technologies LLC | 34,892 | $37.7K | 0.00% | +34,892 | New |
| Two Sigma Investments, LP | 48,287 | $52.1K | 0.00% | +48,287 | New |
| Mariner, LLC | 51,200 | $55.3K | 0.00% | +591+1.2% | Added |
| Virtu Financial LLC | 53,861 | $58.0K | 0.00% | +12,706+30.9% | Added |
| Jane Street Group, LLC | 58,541 | $63.2K | 0.00% | +46,237+375.8% | Added |
| UBS Group AG | 62,231 | $67.2K | 0.00% | −65,590−51.3% | Reduced |
| Atom Investors LP | 64,216 | $69.4K | 0.01% | +64,216 | New |
| LPL Financial LLC | 65,744 | $71.0K | 0.00% | +13,850+26.7% | Added |
| Morgan Stanley | 66,450 | $71.8K | 0.00% | +50,672+321.2% | Added |
| Northern Trust Corp | 164,390 | $177.5K | 0.00% | +29,669+22.0% | Added |
| Opus Capital Group, LLC | 239,500 | $259.0K | 0.03% | +1,000+0.4% | Added |
| State Street Corp | 277,029 | $299.2K | 0.00% | +49,300+21.6% | Added |
| Citadel Advisors LLC | 349,505 | $377.5K | 0.00% | −135,812−28.0% | Reduced |
| BlackRock, Inc. | 538,460 | $581.5K | 0.00% | +94,252+21.2% | Added |
| Susquehanna International Group, LLP | 688,696 | $743.8K | 0.00% | +688,696 | New |
| Geode Capital Management, LLC | 820,440 | $886.4K | 0.00% | +86,894+11.8% | Added |
| Vanguard Group Inc | 2,839,318 | $3.07M | 0.00% | +546,461+23.8% | Added |
| Anson Funds Management LP | 7,579,095 | $8.19M | 1.96% | +6,386,829+535.7% | Added |
| XTX Topco Ltd | 0 | $0 | 0.00% | −53,426−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −15,683−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −2,197−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |