SELLAS Life Sciences
192 hedge funds and large institutions have $1.08B invested in SELLAS Life Sciences in 2026 Q2 according to their latest regulatory filings, with 63 funds opening new positions, 78 increasing their positions, 26 reducing their positions, and 27 closing their positions.
373% more capital invested
Capital invested by funds: $228M → $1.08B (+$852M)
200% more repeat investments, than reductions
Existing positions increased: 78 | Existing positions reduced: 26
133% more first-time investments, than exits
New positions opened: 63 | Existing positions closed: 27
22% more call options, than puts
Call options by funds: $335M | Put options by funds: $275M
20% more funds holding
Funds holding: 160 → 192 (+32)
7.45% more ownership
Funds ownership: 30.05% → 37.5% (+7.5%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
State Street
Boston,
Massachusetts
|
+$31.8M |
| 2 |
AFM
Anson Funds Management
Dallas,
Texas
|
+$31.1M |
| 3 |
BlackRock
New York
|
+$19.8M |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$11.4M |
| 5 |
BNP Paribas Financial Markets
Paris,
France
|
+$7.08M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marshall Wace
London,
United Kingdom
|
-$8.62M |
| 2 |
Invesco
Atlanta,
Georgia
|
-$2.23M |
| 3 |
VFM
Vision Financial Markets
Stamford,
Connecticut
|
-$2.03M |
| 4 |
Nuveen
Charlotte,
North Carolina
|
-$1.74M |
| 5 |
Two Sigma Investments
New York
|
-$1.71M |
SLS Hedge Fund Activity: Q2 2026 in Review
192 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in SELLAS Life Sciences (SLS) for Q2 2026, worth a combined $1.08B — up 373% from $228M a quarter earlier.
Buyers outnumbered sellers: 63 funds opened new SLS positions and 27 closed out — a net gain of 36 holders — while 78 added to existing stakes and 26 trimmed.
The largest buyer was State Street, adding an estimated $31.8M. The largest seller was Marshall Wace, exiting entirely with an estimated $8.62M sold.
- 192 institutional investors held SELLAS Life Sciences (SLS) as of Q2 2026, up from 160 in Q1 2026.
- Funds reported $1.08B of SELLAS Life Sciences stock for Q2 2026, up 373% quarter-over-quarter.
- 63 funds opened new SELLAS Life Sciences positions in Q2 2026 and 27 closed out, a net change of +36 holders.
- The largest SELLAS Life Sciences buyer in Q2 2026 was State Street, an estimated $31.8M added.
- The largest SELLAS Life Sciences seller in Q2 2026 was Marshall Wace, an estimated $8.62M sold.
Based on aggregated 13F filings for Q2 2026.