SELLAS Life Sciences
79 hedge funds and large institutions have $58.7M invested in SELLAS Life Sciences in 2025 Q2 according to their latest regulatory filings, with 40 funds opening new positions, 22 increasing their positions, 7 reducing their positions, and 6 closing their positions.
6,736% more call options, than puts
Call options by funds: $18.5M | Put options by funds: $271K
567% more first-time investments, than exits
New positions opened: 40 | Existing positions closed: 6
280% more capital invested
Capital invested by funds: $15.5M → $58.7M (+$43.2M)
214% more repeat investments, than reductions
Existing positions increased: 22 | Existing positions reduced: 7
76% more funds holding
Funds holding: 45 → 79 (+34)
11.1% more ownership
Funds ownership: 15.75% → 26.85% (+11%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$6.22M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
+$5.86M |
| 3 |
Marshall Wace
London,
United Kingdom
|
+$4.15M |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
+$2.12M |
| 5 |
Millennium Management
New York
|
+$1.73M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AFM
Anson Funds Management
Dallas,
Texas
|
-$11.2M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$406K |
| 3 |
VF
Virtu Financial
New York
|
-$58K |
| 4 |
Renaissance Technologies
New York
|
-$37.7K |
| 5 |
JG
Jain Global
New York
|
-$29.6K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
76
Jones Financial Companies
Des Peres,
Missouri
| $729 | – | – | – |
|
|
SCM
77
Sterling Capital Management
Charlotte,
North Carolina
| $506 | +$355 | +231 | New |
|
|
CSC
78
Caldwell Sutter Capital
Sausalito,
California
| $219 | – | – | – |
|
|
PFBT
79
Parkside Financial Bank & Trust
Saint Louis,
Missouri
| $5 | – | – | – |
|
|
VF
80
Virtu Financial
New York
| – | -$58K | -53,861 | Closed |
|
|
81
Renaissance Technologies
New York
| – | -$37.7K | -34,892 | Closed |
|
|
JG
82
Jain Global
New York
| – | -$29.6K | -27,400 | Closed |
|
83
Hudson Bay Capital Management
Stamford,
Connecticut
| – | -$22.3K | -20,660 | Closed |
|
|
TSS
84
Two Sigma Securities
New York
| – | -$14K | -12,969 | Closed |
|
|
SSA
85
Schonfeld Strategic Advisors
New York
| – | -$13.5K | -12,481 | Closed |
|
SLS Hedge Fund Activity: Q2 2025 in Review
79 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in SELLAS Life Sciences (SLS) for Q2 2025, worth a combined $58.7M — up 280% from $15.5M a quarter earlier.
Buyers outnumbered sellers: 40 funds opened new SLS positions and 6 closed out — a net gain of 34 holders — while 22 added to existing stakes and 7 trimmed.
The largest buyer was BlackRock, adding an estimated $6.22M. The largest seller was Anson Funds Management, cutting an estimated $11.2M.
- 79 institutional investors held SELLAS Life Sciences (SLS) as of Q2 2025, up from 45 in Q1 2025.
- Funds reported $58.7M of SELLAS Life Sciences stock for Q2 2025, up 280% quarter-over-quarter.
- 40 funds opened new SELLAS Life Sciences positions in Q2 2025 and 6 closed out, a net change of +34 holders.
- The largest SELLAS Life Sciences buyer in Q2 2025 was BlackRock, an estimated $6.22M added.
- The largest SELLAS Life Sciences seller in Q2 2025 was Anson Funds Management, an estimated $11.2M sold.
Based on aggregated 13F filings for Q2 2025.