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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, Q3 2021

Institutional positions in SELLAS Life Sciences Group, Inc. as of Sep 30, 2021. 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
30
+2 vs. Q2 2021
Shares held
1.86M
−38.4K (−2.0%) vs. Q2 2021
Total value
$17.1M
−$4.18M (−19.7%) vs. Q2 2021
New holders
8
11 more added
Sold out
6
6 more reduced

1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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.

Institutional holdersQ3 2021: 30 institutions
Q1 2021: 31 institutionsQ2 2021: 29 institutionsQ3 2021: 30 institutionsQ4 2021: 27 institutionsQ1 2022: 26 institutionsQ2 2022: 26 institutionsQ3 2022: 28 institutionsQ4 2022: 29 institutionsQ1 2023: 22 institutionsQ2 2023: 25 institutionsQ3 2023: 28 institutionsQ4 2023: 31 institutionsQ1 2024: 30 institutionsQ2 2024: 30 institutionsQ3 2024: 33 institutionsQ4 2024: 31 institutionsQ1 2025: 45 institutionsQ2 2025: 79 institutionsQ3 2025: 94 institutionsQ4 2025: 112 institutionsQ1 2026: 160 institutionsQ2 2026: 193 institutions
Value heldQ3 2021: $17.1M
Q1 2021: $13.3MQ2 2021: $21.3MQ3 2021: $17.1MQ4 2021: $10.1MQ1 2022: $11.3MQ2 2022: $6.64MQ3 2022: $4.42MQ4 2022: $4.46MQ1 2023: $4.28MQ2 2023: $4.91MQ3 2023: $4.54MQ4 2023: $3.74MQ1 2024: $7.82MQ2 2024: $4.86MQ3 2024: $6.77MQ4 2024: $6.47MQ1 2025: $15.5MQ2 2025: $58.7MQ3 2025: $53.1MQ4 2025: $133.7MQ1 2026: $228.4MQ2 2026: $1.08B
Institutions holding SLS and their total value by quarter
QuarterHoldersValue
Q2 2026193$1.08B
Q1 2026160$228.4M
Q4 2025112$133.7M
Q3 202594$53.1M
Q2 202579$58.7M
Q1 202545$15.5M
Q4 202431$6.47M
Q3 202433$6.77M
Q2 202430$4.86M
Q1 202430$7.82M
Q4 202331$3.74M
Q3 202328$4.54M
Q2 202325$4.91M
Q1 202322$4.28M
Q4 202229$4.46M
Q3 202228$4.42M
Q2 202226$6.64M
Q1 202226$11.3M
Q4 202127$10.1M
Q3 202130$17.1M
Q2 202129$21.3M
Q1 202131$13.3M

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding SELLAS Life Sciences Group, Inc.; share changes are against Q2 2021.

Institutions holding SLS in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc651,283$5.97M0.00%+32,749+5.3%Added
BlackRock Inc.252,838$2.31M0.00%+358+0.1%Added
Morgan Stanley184,868$1.69M0.00%+169,369+1,092.8%Added
Geode Capital Management, LLC133,801$1.23M0.00%+32,464+32.0%Added
Bank of Montreal110,192$1.08M0.00%+910+0.8%Added
Susquehanna International Group, LLP112,866$1.03M0.00%−125,962−52.7%Reduced
Equitable Holdings, Inc.100,000$916.0K0.02%+5,700+6.0%Added
Bank of America Corp43,891$403.0K0.00%+43,891New
Citadel Advisors LLC42,489$389.0K0.00%+27,658+186.5%Added
State Street Corp37,468$343.0K0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.29,921$274.0K0.00%−2,193−6.8%Reduced
Susquehanna Fundamental Investments, LLC28,380$260.0K0.00%+28,380New
Northern Trust Corp24,605$225.0K0.00%00.0%Unchanged
Bank of New York Mellon Corp20,977$192.0K0.00%+645+3.2%Added
Jane Street Group, LLC20,367$186.0K0.00%+20,367New
Dimensional Fund Advisors LP15,924$146.0K0.00%−4,396−21.6%Reduced
Jump Financial, LLC14,627$134.0K0.01%+14,627New
Millennium Management LLC12,161$111.0K0.00%+12,161New
Price T Rowe Associates Inc10,700$98.0K0.00%−4,800−31.0%Reduced
Wells Fargo & Company4,110$37.0K0.00%−2,744−40.0%Reduced
Tower Research Capital LLC (TRC)3,090$28.0K0.00%+2,715+724.0%Added
Advisor Group Holdings, Inc.2,080$19.0K0.00%+500+31.6%Added
Global Retirement Partners, LLC1,000$9.00K0.00%+1,000New
The PNC Financial Services Group, Inc.704$6.00K0.00%00.0%Unchanged
Royal Bank of Canada500$5.00K0.00%+100+25.0%Added
Harbour Investments, Inc.200$2.00K0.00%00.0%Unchanged
Cutler Group LP200$1.00K0.00%−6,700−97.1%Reduced
Allworth Financial LP150$1.00K0.00%00.0%Unchanged
FMR LLC96$1.00K0.00%+96New
Group One Trading, L.P.50$00.00%+50New
Jefferies Group LLC0$00.00%−150,000−100.0%Sold out
Marshall Wace, LLP0$00.00%−84,544−100.0%Sold out
Engineers Gate Manager LP0$00.00%−27,831−100.0%Sold out
Summit Global Investments0$00.00%−11,400−100.0%Sold out
Pinz Capital Management, LP0$00.00%−10,700−100.0%Sold out
JPMorgan Chase & Co0$00.00%−876−100.0%Sold out
CWM, LLC––––Not filed