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Assembly Biosciences
ASMB

Overview Fund Activity

37 hedge funds and large institutions have $30.4M invested in Assembly Biosciences in 2025 Q1 according to their latest regulatory filings, with 6 funds opening new positions, 11 increasing their positions, 10 reducing their positions, and 4 closing their positions.

Holders
37
Holders Change
+2
Holders Change %
+5.71%
% of All Funds
0.5%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
6
Increased
11
Reduced
10
Closed
4
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
BGI
1
B Group Inc
Texas
$1.91M
2
Squarepoint
2
Squarepoint
New York
$181K
3
Renaissance Technologies
3
Renaissance Technologies
New York
$1.08M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$2.06M
5
Citadel Advisors
5
Citadel Advisors
Florida
$117K

Top Sellers

1
AC
1
Armistice Capital
New York
$228K
2
PLC
2
Peapod Lane Capital
New York
$0
3
MAM
3
Marquette Asset Management
Minnesota
$0
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$54.1K
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$67
Name Market Value Shares Shares
Change 		Shares
Change %
GS
1
Gilead Sciences
California
$21.1M 2,209,471 – –
Vanguard Group
2
Vanguard Group
Pennsylvania
$2.06M 215,983 +15,525 +8%
BGI
3
B Group Inc
Texas
$1.91M 200,000 +149,349 +295%
Renaissance Technologies
4
Renaissance Technologies
New York
$1.08M 113,311 +18,600 +20%
BlackRock
5
BlackRock
New York
$755K 78,988 -2,541 -3%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$456K 47,703 +1,068 +2%
MCM
7
Monimus Capital Management
New Jersey
$402K 42,067 – –
Northern Trust
8
Northern Trust
Illinois
$271K 28,323 -326 -1%
Federated Hermes
9
Federated Hermes
Pennsylvania
$243K 25,394 – –
AC
10
Armistice Capital
New York
$228K 23,858 -144,216 -86%
Acadian Asset Management
11
Acadian Asset Management
Massachusetts
$219K 23,027 +6,823 +42%
Squarepoint
12
Squarepoint
New York
$181K 18,982 +18,982 New
Marshall Wace
13
Marshall Wace
United Kingdom
$172K 18,040 +3,217 +22%
PWM
14
Palumbo Wealth Management
New York
$172K 17,986 +6,559 +57%
Man Group
15
Man Group
United Kingdom
$172K 17,952 -1,615 -8%
Susquehanna International Group
16
Susquehanna International Group
Pennsylvania
$166K 17,414 -4,040 -19%
BCM
17
Bridgeway Capital Management
Texas
$146K 15,225 +1,200 +9%
State Street
18
State Street
Massachusetts
$134K 14,009 – –
Citadel Advisors
19
Citadel Advisors
Florida
$117K 12,258 +12,258 New
American Century Companies
20
American Century Companies
Missouri
$113K 11,799 +11,799 New
Connor, Clark & Lunn Investment Management (CC&L)
21
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$97.3K 10,182 -631 -6%
Fidelity Investments
22
Fidelity Investments
Massachusetts
$54.1K 5,659 -11,907 -68%
Barclays
23
Barclays
United Kingdom
$33K 3,431 +437 +15%
Morgan Stanley
24
Morgan Stanley
New York
$22K 2,300 -686 -23%
UBS Group
25
UBS Group
Switzerland
$7.33K 767 -5,780 -88%
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