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 (+36.8%) vs. Q1 2026
- Total value
- $1.08B
- +$851.8M (+373.2%) 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 | $6.77M |
| 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 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15,070,302 | $222.4M | 0.00% | +2,871,892+23.5% | Added |
| State Street Corp | 12,996,558 | $191.8M | 0.01% | +4,600,202+54.8% | Added |
| Vanguard Capital Management LLC | 8,226,105 | $121.4M | 0.00% | +700,176+9.3% | Added |
| Geode Capital Management, LLC | 4,884,175 | $72.1M | 0.00% | +971,569+24.8% | Added |
| Anson Funds Management LP | 4,500,000 | $66.4M | 6.05% | +4,500,000 | New |
| Vanguard Portfolio Management LLC | 2,161,099 | $31.9M | 0.00% | +698,293+47.7% | Added |
| Susquehanna International Group, LLP | 2,050,597 | $30.3M | 0.03% | +1,653,541+416.5% | Added |
| Jones Financial Companies LLLP | 2,304,561 | $28.6M | 0.01% | +629,484+37.6% | Added |
| Northern Trust Corp | 1,619,928 | $23.9M | 0.00% | +343,944+27.0% | Added |
| Vanguard Fiduciary Trust Co | 1,335,166 | $19.7M | 0.00% | +132,327+11.0% | Added |
| UBS Group AG | 1,252,757 | $18.5M | 0.00% | +507,338+68.1% | Added |
| Morgan Stanley | 1,236,261 | $18.2M | 0.00% | −100,032−7.5% | Reduced |
| DAGCO, Inc. | 1,232,433 | $18.2M | 3.36% | +203,653+19.8% | Added |
| BNP Paribas Arbitrage, SA | 1,072,022 | $15.8M | 0.01% | +1,025,006+2,180.1% | Added |
| Bank of America Corp | 787,949 | $11.6M | 0.00% | +146,266+22.8% | Added |
| Wellington Management Group LLP | 597,309 | $8.82M | 0.00% | +252,531+73.2% | Added |
| Goldman Sachs Group Inc | 585,035 | $8.64M | 0.00% | +29,122+5.2% | Added |
| Charles Schwab Investment Management Inc | 565,008 | $8.34M | 0.00% | +84,404+17.6% | Added |
| Bank of New York Mellon Corp | 530,025 | $7.82M | 0.00% | +51,659+10.8% | Added |
| Jane Street Group, LLC | 508,429 | $7.50M | 0.00% | +508,429 | New |
| Nuveen, LLC | 418,729 | $6.18M | 0.00% | −252,245−37.6% | Reduced |
| Opus Capital Group, LLC | 385,604 | $5.69M | 0.55% | +39,152+11.3% | Added |
| Invesco Ltd. | 375,342 | $5.54M | 0.00% | −322,738−46.2% | Reduced |
| Swiss National Bank | 360,400 | $5.32M | 0.00% | +360,400 | New |
| XTX Topco Ltd | 359,090 | $5.30M | 0.07% | +359,090 | New |
| Wells Fargo & Company | 328,819 | $4.85M | 0.00% | +103,112+45.7% | Added |
| Citigroup Inc | 326,591 | $4.82M | 0.00% | +300,945+1,173.5% | Added |
| Renaissance Technologies LLC | 310,364 | $4.58M | 0.01% | +310,364 | New |
| Everhart Financial Group, Inc. | 288,018 | $4.25M | 0.27% | −76,379−21.0% | Reduced |
| UBS Asset Management Americas Inc | 273,403 | $4.04M | 0.00% | +273,403 | New |
| Rafferty Asset Management, LLC | 239,892 | $3.54M | 0.01% | −9,536−3.8% | Reduced |
| Rhumbline Advisers | 230,402 | $3.40M | 0.00% | +36,204+18.6% | Added |
| California State Teachers Retirement System | 202,374 | $2.99M | 0.00% | +193,037+2,067.4% | Added |
| Jefferies Financial Group Inc. | 200,459 | $2.96M | 0.03% | +200,459 | New |
| Mariner, LLC | 198,212 | $2.93M | 0.00% | +24,642+14.2% | Added |
| Deutsche Bank AG | 190,128 | $2.81M | 0.00% | +52,482+38.1% | Added |
| Alps Advisors Inc | 188,107 | $2.78M | 0.01% | +188,107 | New |
| Legal & General Group Plc | 167,800 | $2.48M | 0.00% | +152,658+1,008.2% | Added |
| LPL Financial LLC | 155,663 | $2.30M | 0.00% | +18,455+13.5% | Added |
| Price T Rowe Associates Inc | 155,066 | $2.29M | 0.00% | +32,946+27.0% | Added |
| Simplex Trading, LLC | 154,099 | $2.27M | 0.06% | −141,063−47.8% | Reduced |
| Vontobel Holding Ltd. | 146,762 | $2.17M | 0.01% | −27,391−15.7% | Reduced |
| Vanguard Global Advisers, LLC | 130,005 | $1.92M | 0.00% | +1,895+1.5% | Added |
| Toroso Investments, LLC | 128,761 | $1.90M | 0.00% | +38,754+43.1% | Added |
| Vanguard Asset Management, Ltd | 125,989 | $1.86M | 0.00% | +125,989 | New |
| Profund Advisors LLC | 120,607 | $1.78M | 0.05% | +8,813+7.9% | Added |
| Franklin Resources Inc | 119,156 | $1.76M | 0.00% | +119,156 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 114,775 | $1.71M | 0.00% | +16,486+16.8% | Added |
| MetLife Investment Management | 110,082 | $1.62M | 0.01% | +15,827+16.8% | Added |
| JPMorgan Chase & Co | 100,135 | $1.55M | 0.00% | +18,311+22.4% | Added |
| Daiwa Securities Group Inc. | 102,500 | $1.51M | 0.00% | +100,300+4,559.1% | Added |
| Highbridge Capital Management LLC | 99,400 | $1.47M | 0.05% | +99,400 | New |
| Gsa Capital Partners LLP | 96,429 | $1.42M | 0.09% | −66,861−40.9% | Reduced |
| State of Wisconsin Investment Board | 95,210 | $1.41M | 0.00% | +95,210 | New |
| Harvest Investment Services, LLC | 94,482 | $1.39M | 0.22% | +94,482 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 83,305 | $1.23M | 0.00% | +83,305 | New |
| Jupiter Topco LLC | 79,600 | $1.18M | 0.00% | +79,600 | New |
| Gotham Asset Management, LLC | 74,344 | $1.10M | 0.00% | +74,344 | New |
| Fulcrum Wealth Advisors, LLC | 73,253 | $1.08M | 0.83% | −35,998−32.9% | Reduced |
| Russell Investments Group, Ltd. | 71,225 | $1.05M | 0.00% | +53,219+295.6% | Added |
| Creative Planning | 70,643 | $1.04M | 0.00% | +30,072+74.1% | Added |
| Alliancebernstein L.P. | 236,060 | $998.5K | 0.00% | +72,120+44.0% | Added |
| New York State Common Retirement Fund | 66,300 | $978.6K | 0.00% | +27,300+70.0% | Added |
| National Bank of Canada | 60,443 | $892.1K | 0.00% | +58,056+2,432.2% | Added |
| Advisor Group Holdings, Inc. | 60,284 | $889.8K | 0.00% | +13,012+27.5% | Added |
| Fifth Third Bancorp | 60,190 | $888.4K | 0.00% | +383+0.6% | Added |
| AQR Capital Management LLC | 58,120 | $857.9K | 0.00% | +4,130+7.6% | Added |
| State of New Jersey Common Pension Fund D | 58,067 | $857.1K | 0.00% | +58,067 | New |
| Police & Firemen's Retirement System of New Jersey | 55,666 | $821.6K | 0.01% | +8,577+18.2% | Added |
| Arizona State Retirement System | 49,552 | $731.4K | 0.00% | +49,552 | New |
| Caption Management, LLC | 49,373 | $728.7K | 0.03% | +49,373 | New |
| Manufacturers Life Insurance Company, The | 48,937 | $722.3K | 0.00% | +3,246+7.1% | Added |
| Mercer Global Advisors Inc | 48,383 | $714.1K | 0.00% | +48,383 | New |
| Vanguard Investments Australia, Ltd. | 46,385 | $684.6K | 0.00% | +46,385 | New |
| Commonwealth Equity Services, LLC | 45,087 | $665.5K | 0.00% | +6,617+17.2% | Added |
| Instrumental Wealth, LLC | 44,914 | $662.9K | 0.34% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 41,788 | $616.8K | 0.14% | +41,788 | New |
| Accurate Wealth Management, LLC | 47,462 | $614.7K | 0.06% | +14,851+45.5% | Added |
| Axxcess Wealth Management, LLC | 41,373 | $610.7K | 0.01% | +6,003+17.0% | Added |
| KLP Kapitalforvaltning AS | 40,700 | $600.7K | 0.00% | +40,700 | New |
| SJS Investment Consulting Inc. | 40,000 | $590.4K | 0.06% | +15,000+60.0% | Added |
| Wealthfront Advisers LLC | 39,822 | $587.8K | 0.00% | +28,386+248.2% | Added |
| Voya Investment Management LLC | 37,298 | $550.5K | 0.00% | +8,036+27.5% | Added |
| Quantinno Capital Management LP | 37,036 | $546.7K | 0.00% | −37,342−50.2% | Reduced |
| Visionary Horizons, LLC | 36,000 | $531.4K | 0.22% | 00.0% | Unchanged |
| Barclays PLC | 35,783 | $528.2K | 0.00% | +3,371+10.4% | Added |
| Kestra Advisory Services, LLC | 34,980 | $516.3K | 0.00% | +5,830+20.0% | Added |
| Northstar Asset Management LLC | 45,000 | $509.4K | 0.10% | −5,000−10.0% | Reduced |
| Mangrove Partners | 34,140 | $503.9K | 0.03% | +34,140 | New |
| E Fund Management Co., Ltd. | 33,825 | $499.3K | 0.01% | +2,471+7.9% | Added |
| Cambridge Investment Research Advisors, Inc. | 32,326 | $478.0K | 0.00% | +19,891+160.0% | Added |
| Intech Investment Management LLC | 32,182 | $475.0K | 0.00% | −19,073−37.2% | Reduced |
| Scissortail Wealth Management, LLC | 31,322 | $462.3K | 0.09% | +4,000+14.6% | Added |
| Prudential Financial Inc | 31,110 | $459.2K | 0.00% | +2,420+8.4% | Added |
| Sculptor Capital LP | 30,300 | $447.2K | 0.00% | +30,300 | New |
| Walleye Capital LLC | 30,116 | $444.5K | 0.00% | +30,116 | New |
| Genesee Capital Advisors, LLC | 30,000 | $442.8K | 0.14% | 00.0% | Unchanged |
| Walleye Trading LLC | 28,965 | $427.5K | 0.01% | +28,965 | New |
| SEI Investments Co | 26,581 | $392.3K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 26,100 | $385.2K | 0.00% | +26,100 | New |