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SELLAS Life Sciences

45 hedge funds and large institutions have $15.5M invested in SELLAS Life Sciences in 2025 Q1 according to their latest regulatory filings, with 18 funds opening new positions, 18 increasing their positions, 3 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed

8,228% more call options, than puts

Call options by funds: $3.33M | Put options by funds: $40K

500% more repeat investments, than reductions

Existing positions increased: 18 | Existing positions reduced: 3

350% more first-time investments, than exits

New positions opened: 18 | Existing positions closed: 4

139% more capital invested

Capital invested by funds: $6.47M → $15.5M (+$8.99M)

45% more funds holding

Funds holding: 3145 (+14)

6.92% more ownership

Funds ownership: 8.84%15.75% (+6.9%)

Holders
45
Holders Change
+14
Holders Change %
+45.16%
% of All Funds
0.6%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
18
Increased
18
Reduced
3
Closed
4
Calls
$3.33M
Puts
$40K
Net Calls
+$3.29M
Net Calls Change
-$1.24M
Name Holding Trade Value Shares
Change
Change in
Stake
AFM
1
Anson Funds Management
Texas
$8.19M +$7.58M +6,386,829 +536%
Vanguard Group
2
Vanguard Group
Pennsylvania
$3.07M +$649K +546,461 +24%
Geode Capital Management
3
Geode Capital Management
Massachusetts
$886K +$103K +86,894 +12%
Susquehanna International Group
4
Susquehanna International Group
Pennsylvania
$744K +$818K +688,696 New
BlackRock
5
BlackRock
New York
$582K +$112K +94,252 +21%
Citadel Advisors
6
Citadel Advisors
Florida
$377K -$161K -135,812 -28%
State Street
7
State Street
Massachusetts
$299K +$58.5K +49,300 +22%
OCG
8
Opus Capital Group
Ohio
$259K +$1.19K +1,000 +0.4%
Northern Trust
9
Northern Trust
Illinois
$178K +$35.2K +29,669 +22%
Morgan Stanley
10
Morgan Stanley
New York
$71.8K +$60.2K +50,672 +321%
LPL Financial
11
LPL Financial
California
$71K +$16.4K +13,850 +27%
AI
12
Atom Investors
Texas
$69.4K +$76.2K +64,216 New
UBS Group
13
UBS Group
Switzerland
$67.2K -$77.9K -65,590 -51%
Jane Street
14
Jane Street
New York
$63.2K +$54.9K +46,237 +376%
VF
15
Virtu Financial
New York
$58K +$15.1K +12,706 +31%
Mariner
16
Mariner
Kansas
$55.3K +$702 +591 +1%
Two Sigma Investments
17
Two Sigma Investments
New York
$52.1K +$57.3K +48,287 New
Renaissance Technologies
18
Renaissance Technologies
New York
$37.7K +$41.4K +34,892 New
JG
19
Jain Global
New York
$29.6K +$32.5K +27,400 New
IFG
20
Independent Financial Group
California
$25.1K
GCP
21
GSA Capital Partners
United Kingdom
$25K +$27K +22,727 New
TRCT
22
Tower Research Capital (TRC)
New York
$22.6K +$18.5K +15,584 +294%
Hudson Bay Capital Management
23
Hudson Bay Capital Management
Connecticut
$22.3K +$24.5K +20,660 New
QC
24
Quadrature Capital
United Kingdom
$22.2K +$24.5K +20,673 New
PFG
25
Prosperity Financial Group
California
$17.8K +$5.94K +5,000 +43%