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SELLAS Life Sciences
SLS

Overview Fund Activity

78 hedge funds and large institutions have $58.6M invested in SELLAS Life Sciences in 2025 Q2 according to their latest regulatory filings, with 40 funds opening new positions, 21 increasing their positions, 8 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
78
Holders Change
+34
Holders Change %
+77.27%
% of All Funds
1.05%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
40
Increased
21
Reduced
8
Closed
6
Calls
$18.5M
Puts
$271K
Net Calls
+$18.3M
Net Calls Change
+$15M

Top Buyers

1
BlackRock
BlackRock
New York
$10.1M
2
Vanguard Group
Vanguard Group
Pennsylvania
$14.6M
3
Marshall Wace
Marshall Wace
United Kingdom
$5.95M
4
Geode Capital Management
Geode Capital Management
Massachusetts
$4.82M
5
Millennium Management
Millennium Management
New York
$2.47M

Top Sellers

1
AFM
Anson Funds Management
Texas
$602K
2
Citadel Advisors
Citadel Advisors
Florida
$186K
3
VF
Virtu Financial
New York
$0
4
Renaissance Technologies
Renaissance Technologies
New York
$0
5
JG
Jain Global
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$14.6M +$8.36M +3,815,481 +134%
BlackRock
2
BlackRock
New York
$10.1M +$8.87M +4,051,813 +752%
Marshall Wace
3
Marshall Wace
United Kingdom
$5.95M +$5.92M +2,704,007 +23,550%
Geode Capital Management
4
Geode Capital Management
Massachusetts
$4.82M +$3.02M +1,379,988 +168%
Susquehanna International Group
5
Susquehanna International Group
Pennsylvania
$3.26M +$1.75M +800,976 +116%
Millennium Management
6
Millennium Management
New York
$2.47M +$2.47M +1,127,225 New
State Street
7
State Street
Massachusetts
$2.44M +$1.83M +835,676 +302%
Morgan Stanley
8
Morgan Stanley
New York
$2.38M +$2.23M +1,018,028 +1,532%
NL
9
Nuveen LLC
North Carolina
$2.13M +$2.13M +971,329 New
Northern Trust
10
Northern Trust
Illinois
$1.53M +$1.17M +534,103 +325%
Goldman Sachs
11
Goldman Sachs
New York
$1.02M +$1.02M +465,506 New
GCP
12
GSA Capital Partners
United Kingdom
$934K +$884K +403,857 +1,777%
UBS Group
13
UBS Group
Switzerland
$678K +$542K +247,456 +398%
Charles Schwab
14
Charles Schwab
California
$644K +$609K +277,868 +1,711%
AFM
15
Anson Funds Management
Texas
$602K -$16M -7,304,095 -96%
OCG
16
Opus Capital Group
Ohio
$526K +$1.1K +500 +0.2%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$441K +$441K +201,460 New
Two Sigma Investments
18
Two Sigma Investments
New York
$433K +$327K +149,355 +309%
Barclays
19
Barclays
United Kingdom
$378K +$378K +172,803 New
RhumbLine Advisers
20
RhumbLine Advisers
Massachusetts
$297K +$297K +135,789 New
Citadel Advisors
21
Citadel Advisors
Florida
$186K -$579K -264,512 -76%
XT
22
XTX Topco
Cayman Islands
$168K +$168K +76,900 New
LPL Financial
23
LPL Financial
California
$148K +$3.98K +1,816 +3%
JPMorgan Chase & Co
24
JPMorgan Chase & Co
New York
$136K +$136K +61,892 New
MIM
25
MetLife Investment Management
New Jersey
$129K +$129K +58,844 New
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