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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, Q1 2024

Institutional positions in SELLAS Life Sciences Group, Inc. as of Mar 31, 2024. 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
−1 vs. Q4 2023
Shares held
7.74M
+4.22M (+120.2%) vs. Q4 2023
Total value
$7.82M
+$4.09M (+109.9%) vs. Q4 2023
New holders
7
7 more added
Sold out
8
6 more reduced

Compare with Q4 2023: 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 holdersQ1 2024: 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 heldQ1 2024: $7.82M
Q1 2021: $13.3MQ2 2021: $21.3MQ3 2021: $17.1MQ4 2021: $9.59MQ1 2022: $11.3MQ2 2022: $6.64MQ3 2022: $4.42MQ4 2022: $4.46MQ1 2023: $4.28MQ2 2023: $4.91MQ3 2023: $4.54MQ4 2023: $3.72MQ1 2024: $7.82MQ2 2024: $4.86MQ3 2024: $6.76MQ4 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$6.76M
Q2 202430$4.86M
Q1 202430$7.82M
Q4 202331$3.72M
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$9.59M
Q3 202130$17.1M
Q2 202129$21.3M
Q1 202131$13.3M

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding SELLAS Life Sciences Group, Inc.; share changes are against Q4 2023.

Institutions holding SLS in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Anson Funds Management LP4,832,368$4.88M0.36%+4,832,368New
Vanguard Group Inc1,513,235$1.53M0.00%+365,911+31.9%Added
BlackRock Inc.278,218$281.0K0.00%−1,586−0.6%Reduced
Geode Capital Management, LLC273,063$275.9K0.00%+27,460+11.2%Added
Opus Capital Group, LLC200,600$203.0K0.03%+65,600+48.6%Added
Equitable Holdings, Inc.200,000$202.0K0.00%+35,000+21.2%Added
State Street Corp97,129$98.1K0.00%00.0%Unchanged
Northern Trust Corp88,730$89.6K0.00%+26,293+42.1%Added
Virtu Financial LLC39,429$40.0K0.00%−20,485−34.2%Reduced
Prosperity Financial Group, Inc.25,385$25.6K0.02%+25,385New
Mariner, LLC25,257$25.5K0.00%+25,257New
Cantor Fitzgerald, L. P.24,750$25.0K0.01%+24,750New
Tower Research Capital LLC (TRC)20,725$20.9K0.00%+15,371+287.1%Added
Independent Financial Group, LLC20,250$20.5K0.00%00.0%Unchanged
Citadel Advisors LLC19,718$19.9K0.00%+19,718New
XTX Topco Ltd17,391$17.6K0.00%−25,179−59.1%Reduced
Charles Schwab Investment Management Inc16,238$16.4K0.00%00.0%Unchanged
Commonwealth Equity Services, LLC14,054$14.0K0.00%+1,640+13.2%Added
Brooklyn FI, LLC11,178$11.3K0.00%+11,178New
Nemes Rush Group LLC10,000$10.1K0.00%00.0%Unchanged
JPMorgan Chase & Co6,092$6.15K0.00%−3,701−37.8%Reduced
Advisor Group Holdings, Inc.1,660$1.68K0.00%00.0%Unchanged
Morgan Stanley1,420$1.43K0.00%00.0%Unchanged
Wells Fargo & Company301$3040.00%−16,056−98.2%Reduced
Allworth Financial LP150$1520.00%00.0%Unchanged
JJJ Advisors Inc.11$120.00%00.0%Unchanged
Parkside Financial Bank & Trust2$30.00%00.0%Unchanged
Qube Research & Technologies Ltd2$20.00%00.0%Unchanged
FMR LLC1$10.00%+1New
Royal Bank of Canada223$00.00%−135−37.7%Reduced
Armistice Capital, LLC0$00.00%−820,000−100.0%Sold out
Group One Trading, L.P.0$00.00%−186,355−100.0%Sold out
Bank of New York Mellon Corp0$00.00%−84,665−100.0%Sold out
Renaissance Technologies LLC0$00.00%−50,400−100.0%Sold out
Engineers Gate Manager LP0$00.00%−16,857−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−15,304−100.0%Sold out
Millennium Management LLC0$00.00%−11,239−100.0%Sold out
Bank of America Corp0$00.00%−42−100.0%Sold out