Sellas Life Sciences Group ISLS

13F holders, Q2 2024 (June 30)
30holders
9new positions
9sold out
2famous investors
$1.19avg. 13F price*

At the end of Q2 2024, 30 institutions reported holding Sellas Life Sciences Group I (SLS) in their 13F filings, unchanged from Q1 2024. 9 opened new positions and 9 sold out. The largest holders were Vanguard Group Inc. ($2.1M), Geode Capital Management, LLC ($615K) and BlackRock Inc. ($512K). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Sellas Life Sciences Group I
CUSIP
81642T209
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200 Q1 2024: 30Q1 2024Q2 2024: 30Q2 2024Q3 2024: 33Q3 2024Q4 2024: 31Q4 2024Q1 2025: 45Q1 2025Q2 2025: 79Q2 2025Q3 2025: 94Q3 2025Q4 2025: 112Q4 2025Q1 2026: 160Q1 2026Q2 2026: 193Q2 2026

Total Exit/New Position Q1 2024 → Q2 2024

InstitutionsTotal Value
New Positions9$580K
Exits9$5.0M

All 13F filers, Q1 2024 → Q2 2024: 1,286,994 shares bought and 4,944,278 shares sold, net −3,657,284 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 30 holders

Vanguard Group Inc. 0.00% Add +18.1% 1,786,334 $2.1M
Geode Capital Management, LLC 0.00% Add +89.3% 517,008 $615K
BlackRock Inc. 0.00% Add +54.7% 430,368 $512K
Opus Capital Group, LLC 0.04% Add +10.2% 221,000 $263K
Equitable Holdings, Inc. 0.00% Add +5.0% 210,000 $250K
Diametric Capital, LP 0.10% New 153,019 $182K
Millennium Management 0.00% New 150,448 $179K
State Street Corp. 0.00% Add +38.0% 134,029 $159K
Northern Trust Corp. 0.00% Add +13.7% 100,843 $120K
Virtu Financial LLC 0.01% Add +61.9% 63,843 $76K
Prelude Capital Management, LLC 0.01% New 55,726 $66K
LPL Financial LLC 0.00% New 51,894 $62K
Mariner, LLC 0.00% Add +77.9% 44,929 $53K
Renaissance Technologies 0.00% New 32,446 $39K
Jane Street Group, LLC 0.00% New 27,994 $33K
Independent Financial Group, LLC 0.00% Add +14.8% 23,250 $28K
Charles Schwab Investment Management Inc. 0.00% No change 16,238 $19K
Commonwealth Equity Services, LLC 0.00% Add +10.7% 15,554 $19K
Wedbush Securities Inc. 0.00% New 15,000 $18K
Tower Research Capital LLC (TRC) 0.00% Reduce -34.2% 13,631 $16K
Nemes Rush Group LLC 0.00% No change 10,000 $12K
Morgan Stanley 0.00% Add +132.2% 3,297 $4K
Osaic Holdings, Inc. 0.00% No change 1,660 $2K
Royal Bank of Canada 0.00% Add +200.0% 669 $1K
Bank of America Corp. 0.00% New 577 $687
Jones Financial Companies LLLP 0.00% New 374 $445
Allworth Financial LP 0.00% No change 150 $167
Janiczek Wealth Management, LLC 0.00% No change 11 $14
Parkside Financial Bank & Trust 0.00% No change 2 $3
Qube Research & Technologies Ltd 0.00% No change 2 $2

"% of holder's portfolio" is SLS's weight in each manager's 13F, not the share of Sellas Life Sciences Group I the manager owns.