SELLAS Life Sciences Group, Inc

Historical 13F Holders

Symbol
SLS
CUSIP
81642T209
All holders as of
Q2 2026
Type
Equity
Class
COM NEW
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 81642T209 since 12/18/2024, largest first.

Filer % of Class Filed
State Street Corp 13G 7.0% 8/7/2026
Event 6/30/2026
BlackRock, Inc. 13G/A 6.8% 4/24/2026
Event 3/31/2026
Vanguard Capital Management LLC 13G 5.2% 7/31/2026
Event 6/30/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (3)
Anson Funds Management LP 13G/A
4.9% 2/17/2026
Event 12/31/2025
Highbridge Capital Management, LLC 13G/A 3.7% 1/30/2026
Event 12/31/2025
Vanguard Group Inc 13G/A 0% 3/27/2026
Event 3/13/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 10 298 k $3.66 M
2026 Q2 233 72.2 M $1.22 B
2026 Q1 177 54.0 M $228 M
2025 Q4 132 35.5 M $134 M
2025 Q3 103 33.0 M $53.1 M
2025 Q2 88 26.8 M $58.7 M
2025 Q1 51 14.3 M $15.5 M
2024 Q4 37 6.22 M $6.47 M
2024 Q3 40 5.41 M $6.77 M
2024 Q2 38 4.08 M $4.86 M
2024 Q1 39 7.75 M $7.82 M
2023 Q4 39 3.52 M $3.74 M
2023 Q3 33 2.77 M $4.54 M
2023 Q2 30 3.13 M $4.91 M
2023 Q1 28 3.00 M $4.28 M
2022 Q4 36 1.96 M $4.63 M
2022 Q3 36 2.19 M $4.42 M
2022 Q2 34 2.98 M $6.64 M
2022 Q1 35 1.69 M $11.3 M
2021 Q4 35 1.83 M $10.1 M
2021 Q3 36 1.86 M $17.1 M
2021 Q2 40 1.90 M $21.3 M
2021 Q1 40 1.55 M $13.3 M
2020 Q4 26 941 k $5.46 M
2020 Q3 15 617 k $1.63 M
2020 Q2 17 456 k $1.34 M
2020 Q1 17 417 k $722 k
2019 Q4 14 441 k $1.89 M
2019 Q3 1 3.00 $0
2019 Q2 1 3.00 $0
2019 Q1 1 3.00 $0