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 2026
Institutional positions in SELLAS Life Sciences Group, Inc. as of Jun 30, 2026. 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
- 193
- +36 vs. Q1 2026
- Shares held
- 73.7M
- +19.8M (+36.7%) vs. Q1 2026
- Total value
- $1.08B
- +$851.5M (+373.1%) vs. Q1 2026
- New holders
- 63
- 77 more added
- Sold out
- 27
- 27 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding SELLAS Life Sciences Group, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Prudential Financial Inc | 31,110 | $459.2K | 0.00% | +2,420+8.4% | Added |
| Scissortail Wealth Management, LLC | 31,322 | $462.3K | 0.09% | +4,000+14.6% | Added |
| Intech Investment Management LLC | 32,182 | $475.0K | 0.00% | −19,073−37.2% | Reduced |
| E Fund Management Co., Ltd. | 33,825 | $499.3K | 0.01% | +2,471+7.9% | Added |
| Mangrove Partners | 34,140 | $503.9K | 0.03% | +34,140 | New |
| Northstar Asset Management LLC | 45,000 | $509.4K | 0.10% | −5,000−10.0% | Reduced |
| Kestra Advisory Services, LLC | 34,980 | $516.3K | 0.00% | +5,830+20.0% | Added |
| Barclays PLC | 35,783 | $528.2K | 0.00% | +3,371+10.4% | Added |
| Visionary Horizons, LLC | 36,000 | $531.4K | 0.22% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 37,036 | $546.7K | 0.00% | −37,342−50.2% | Reduced |
| Voya Investment Management LLC | 37,298 | $550.5K | 0.00% | +8,036+27.5% | Added |
| Wealthfront Advisers LLC | 39,822 | $587.8K | 0.00% | +28,386+248.2% | Added |
| SJS Investment Consulting Inc. | 40,000 | $590.4K | 0.06% | +15,000+60.0% | Added |
| KLP Kapitalforvaltning AS | 40,700 | $600.7K | 0.00% | +40,700 | New |
| Axxcess Wealth Management, LLC | 41,373 | $610.7K | 0.01% | +6,003+17.0% | Added |
| Accurate Wealth Management, LLC | 47,462 | $614.7K | 0.06% | +14,851+45.5% | Added |
| Virtus Investment Advisers, Inc. | 41,788 | $616.8K | 0.14% | +41,788 | New |
| Instrumental Wealth, LLC | 44,914 | $662.9K | 0.34% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 45,087 | $665.5K | 0.00% | +6,617+17.2% | Added |
| Vanguard Investments Australia, Ltd. | 46,385 | $684.6K | 0.00% | +46,385 | New |
| Mercer Global Advisors Inc | 48,383 | $714.1K | 0.00% | +48,383 | New |
| Manufacturers Life Insurance Company, The | 48,937 | $722.3K | 0.00% | +3,246+7.1% | Added |
| Caption Management, LLC | 49,373 | $728.7K | 0.03% | +49,373 | New |
| Arizona State Retirement System | 49,552 | $731.4K | 0.00% | +49,552 | New |
| Police & Firemen's Retirement System of New Jersey | 55,666 | $821.6K | 0.01% | +8,577+18.2% | Added |
| State of New Jersey Common Pension Fund D | 58,067 | $857.1K | 0.00% | +58,067 | New |
| AQR Capital Management LLC | 58,120 | $857.9K | 0.00% | +4,130+7.6% | Added |
| Fifth Third Bancorp | 60,190 | $888.4K | 0.00% | +383+0.6% | Added |
| Advisor Group Holdings, Inc. | 60,284 | $889.8K | 0.00% | +13,012+27.5% | Added |
| National Bank of Canada | 60,443 | $892.1K | 0.00% | +58,056+2,432.2% | Added |
| New York State Common Retirement Fund | 66,300 | $978.6K | 0.00% | +27,300+70.0% | Added |
| Alliancebernstein L.P. | 236,060 | $998.5K | 0.00% | +72,120+44.0% | Added |
| Creative Planning | 70,643 | $1.04M | 0.00% | +30,072+74.1% | Added |
| Russell Investments Group, Ltd. | 71,225 | $1.05M | 0.00% | +53,219+295.6% | Added |
| Fulcrum Wealth Advisors, LLC | 73,253 | $1.08M | 0.83% | −35,998−32.9% | Reduced |
| Gotham Asset Management, LLC | 74,344 | $1.10M | 0.00% | +74,344 | New |
| Jupiter Topco LLC | 79,600 | $1.18M | 0.00% | +79,600 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 83,305 | $1.23M | 0.00% | +83,305 | New |
| Harvest Investment Services, LLC | 94,482 | $1.39M | 0.22% | +94,482 | New |
| State of Wisconsin Investment Board | 95,210 | $1.41M | 0.00% | +95,210 | New |
| Gsa Capital Partners LLP | 96,429 | $1.42M | 0.09% | −66,861−40.9% | Reduced |
| Highbridge Capital Management LLC | 99,400 | $1.47M | 0.05% | +99,400 | New |
| Daiwa Securities Group Inc. | 102,500 | $1.51M | 0.00% | +100,300+4,559.1% | Added |
| JPMorgan Chase & Co | 100,135 | $1.55M | 0.00% | +18,311+22.4% | Added |
| MetLife Investment Management | 110,082 | $1.62M | 0.01% | +15,827+16.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 114,775 | $1.71M | 0.00% | +16,486+16.8% | Added |
| Franklin Resources Inc | 119,156 | $1.76M | 0.00% | +119,156 | New |
| Profund Advisors LLC | 120,607 | $1.78M | 0.05% | +8,813+7.9% | Added |
| Vanguard Asset Management, Ltd | 125,989 | $1.86M | 0.00% | +125,989 | New |
| Toroso Investments, LLC | 128,761 | $1.90M | 0.00% | +38,754+43.1% | Added |
| Vanguard Global Advisers, LLC | 130,005 | $1.92M | 0.00% | +1,895+1.5% | Added |
| Vontobel Holding Ltd. | 146,762 | $2.17M | 0.01% | −27,391−15.7% | Reduced |
| Simplex Trading, LLC | 154,099 | $2.27M | 0.06% | −141,063−47.8% | Reduced |
| Price T Rowe Associates Inc | 155,066 | $2.29M | 0.00% | +32,946+27.0% | Added |
| LPL Financial LLC | 155,663 | $2.30M | 0.00% | +18,455+13.5% | Added |
| Legal & General Group Plc | 167,800 | $2.48M | 0.00% | +152,658+1,008.2% | Added |
| Alps Advisors Inc | 188,107 | $2.78M | 0.01% | +188,107 | New |
| Deutsche Bank AG | 190,128 | $2.81M | 0.00% | +52,482+38.1% | Added |
| Mariner, LLC | 198,212 | $2.93M | 0.00% | +24,642+14.2% | Added |
| Jefferies Financial Group Inc. | 200,459 | $2.96M | 0.03% | +200,459 | New |
| California State Teachers Retirement System | 202,374 | $2.99M | 0.00% | +193,037+2,067.4% | Added |
| Rhumbline Advisers | 230,402 | $3.40M | 0.00% | +36,204+18.6% | Added |
| Rafferty Asset Management, LLC | 239,892 | $3.54M | 0.01% | −9,536−3.8% | Reduced |
| UBS Asset Management Americas Inc | 273,403 | $4.04M | 0.00% | +273,403 | New |
| Everhart Financial Group, Inc. | 288,018 | $4.25M | 0.27% | −76,379−21.0% | Reduced |
| Renaissance Technologies LLC | 310,364 | $4.58M | 0.01% | +310,364 | New |
| Citigroup Inc | 326,591 | $4.82M | 0.00% | +300,945+1,173.5% | Added |
| Wells Fargo & Company | 328,819 | $4.85M | 0.00% | +103,112+45.7% | Added |
| XTX Topco Ltd | 359,090 | $5.30M | 0.07% | +359,090 | New |
| Swiss National Bank | 360,400 | $5.32M | 0.00% | +360,400 | New |
| Invesco Ltd. | 375,342 | $5.54M | 0.00% | −322,738−46.2% | Reduced |
| Opus Capital Group, LLC | 385,604 | $5.69M | 0.55% | +39,152+11.3% | Added |
| Nuveen, LLC | 418,729 | $6.18M | 0.00% | −252,245−37.6% | Reduced |
| Jane Street Group, LLC | 508,429 | $7.50M | 0.00% | +508,429 | New |
| Bank of New York Mellon Corp | 530,025 | $7.82M | 0.00% | +51,659+10.8% | Added |
| Charles Schwab Investment Management Inc | 565,008 | $8.34M | 0.00% | +84,404+17.6% | Added |
| Goldman Sachs Group Inc | 585,035 | $8.64M | 0.00% | +29,122+5.2% | Added |
| Wellington Management Group LLP | 597,309 | $8.82M | 0.00% | +252,531+73.2% | Added |
| Bank of America Corp | 787,949 | $11.6M | 0.00% | +146,266+22.8% | Added |
| BNP Paribas Arbitrage, SA | 1,072,022 | $15.8M | 0.01% | +1,025,006+2,180.1% | Added |
| DAGCO, Inc. | 1,232,433 | $18.2M | 3.36% | +203,653+19.8% | Added |
| Morgan Stanley | 1,236,261 | $18.2M | 0.00% | −100,032−7.5% | Reduced |
| UBS Group AG | 1,252,757 | $18.5M | 0.00% | +507,338+68.1% | Added |
| Vanguard Fiduciary Trust Co | 1,335,166 | $19.7M | 0.00% | +132,327+11.0% | Added |
| Northern Trust Corp | 1,619,928 | $23.9M | 0.00% | +343,944+27.0% | Added |
| Jones Financial Companies LLLP | 2,304,561 | $28.6M | 0.01% | +629,484+37.6% | Added |
| Susquehanna International Group, LLP | 2,050,597 | $30.3M | 0.03% | +1,653,541+416.5% | Added |
| Vanguard Portfolio Management LLC | 2,161,099 | $31.9M | 0.00% | +698,293+47.7% | Added |
| Anson Funds Management LP | 4,500,000 | $66.4M | 6.22% | +4,500,000 | New |
| Geode Capital Management, LLC | 4,884,175 | $72.1M | 0.00% | +971,569+24.8% | Added |
| Vanguard Capital Management LLC | 8,226,105 | $121.4M | 0.00% | +700,176+9.3% | Added |
| State Street Corp | 12,996,558 | $191.8M | 0.01% | +4,600,202+54.8% | Added |
| BlackRock, Inc. | 15,070,302 | $222.4M | 0.00% | +2,871,892+23.5% | Added |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −2,037,162−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −403,165−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −221,829−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −159,524−100.0% | Sold out |
| Tema ETFs LLC | 0 | $0 | 0.00% | −90,007−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −81,695−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −64,641−100.0% | Sold out |