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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.

Q1 2023 vs. Q4 2022

How the institutions holding SELLAS Life Sciences Group, Inc. changed between Q4 2022 and Q1 2023.

All holders in Q1 2023All holders in Q4 2022

13F holders of SLS: Q4 2022 compared with Q1 2023
MeasureQ4 2022Q1 2023Change
Holders2922−7
Shares1.89M3.00M+1.11M (+58.6%)
Value$4.46M$4.28M−$171.3K (−3.8%)

New holders (3)

Institutions that held SELLAS Life Sciences Group, Inc. at the end of Q1 2023 but not at the end of Q4 2022.

Institutions new to SLS in Q1 2023
InstitutionSharesValue% of portfolio
Alyeska Investment Group, L.P.1,250,000$1.79M0.02%
Values First Advisors, Inc.15$210.00%
WealthPLAN Partners, LLC1$10.00%

Sold out (10)

Institutions that held SELLAS Life Sciences Group, Inc. at the end of Q4 2022 and filed for Q1 2023 without it.

Institutions that sold out of SLS in Q1 2023
InstitutionShares, Q4 2022Value, Q4 2022
Millennium Management LLC61,179$144.0K
XTX Topco Ltd55,403$130.8K
Virtu Financial LLC18,379$43.0K
Two Sigma Securities, LLC16,076$37.9K
Citadel Advisors LLC3,375$7.96K
Global Retirement Partners, LLC1,000$2.36K
Citigroup Inc100$236
Bank of America Corp48$114
Godsey & Gibb Associates4$9
Cutler Group LP300$0