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Assembly Biosciences
ASMB

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.

New
Increased
Maintained
Reduced
Closed

100% more funds holding in top 10

Funds holding in top 10: 1 → 2 (+1)

50% more first-time investments, than exits

New positions opened: 6 | Existing positions closed: 4

10% more repeat investments, than reductions

Existing positions increased: 11 | Existing positions reduced: 10

6% more funds holding

Funds holding: 35 → 37 (+2)

7.75% less ownership

Funds ownership: 50.09% → 42.34% (-7.7%)

40% less capital invested

Capital invested by funds: $50.3M → $30.4M (-$19.9M)

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

Rank Fund Capital Flow
1
BGI
B Group Inc
Texas
+$1.95M
2
Squarepoint
Squarepoint
New York
+$248K
3
Renaissance Technologies
Renaissance Technologies
New York
+$243K
4
Vanguard Group
Vanguard Group
Pennsylvania
+$203K
5
Citadel Advisors
Citadel Advisors
Florida
+$160K

Top Sellers

Rank Fund Capital Flow
1
AC
Armistice Capital
New York
-$1.89M
2
PLC
Peapod Lane Capital
New York
-$994K
3
Fidelity Investments
Fidelity Investments
Massachusetts
-$156K
4
JP Morgan Chase
JP Morgan Chase
New York
-$149K
5
MAM
Marquette Asset Management
Minnesota
-$142K
Name Holding Trade Value Shares
Change 		Change in
Stake
TRCT
26
Tower Research Capital (TRC)
New York
$3.45K +$157 +12 +3%
BNP Paribas Financial Markets
27
BNP Paribas Financial Markets
France
$2.89K – – –
Northwestern Mutual Wealth Management
28
Northwestern Mutual Wealth Management
Wisconsin
$2.49K – – –
RhumbLine Advisers
29
RhumbLine Advisers
Massachusetts
$1.82K – – –
Wells Fargo
30
Wells Fargo
California
$1.39K +$1.9K +145 New
AG
31
AmeriFlex Group
Nevada
$793 +$1.08K +83 New
SS
32
SBI Securities
Japan
$641 – – –
EWA
33
EverSource Wealth Advisors
Alabama
$526 – – –
Bank of America
34
Bank of America
North Carolina
$373 +$26 +2 +5%
JP Morgan Chase
35
JP Morgan Chase
New York
$67 -$149K -11,420 -100%
FFA
36
Frazier Financial Advisors
Ohio
$10 – – –
PLC
37
Peapod Lane Capital
New York
– -$994K -62,970 Closed
MAM
38
Marquette Asset Management
Minnesota
– -$142K -9,016 Closed
NA
39
NewEdge Advisors
Louisiana
– -$13.3K -846 Closed
Osaic Holdings
40
Osaic Holdings
Arizona
– -$2.95K -187 Closed
AW
41
Avion Wealth
Texas
– +$431 +33 New
1
2

ASMB Hedge Fund Activity: Q1 2025 in Review

37 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Assembly Biosciences (ASMB) for Q1 2025, worth a combined $30.4M — down 40% from $50.3M a quarter earlier.

Buyers outnumbered sellers: 6 funds opened new ASMB positions and 4 closed out — a net gain of 2 holders — while 11 added to existing stakes and 10 trimmed.

The largest buyer was B Group Inc, adding an estimated $1.95M. The largest seller was Armistice Capital, cutting an estimated $1.89M.

  • 37 institutional investors held Assembly Biosciences (ASMB) as of Q1 2025, up from 35 in Q4 2024.
  • Funds reported $30.4M of Assembly Biosciences stock for Q1 2025, down 40% quarter-over-quarter.
  • 6 funds opened new Assembly Biosciences positions in Q1 2025 and 4 closed out, a net change of +2 holders.
  • The largest Assembly Biosciences buyer in Q1 2025 was B Group Inc, an estimated $1.95M added.
  • The largest Assembly Biosciences seller in Q1 2025 was Armistice Capital, an estimated $1.89M sold.

Based on aggregated 13F filings for Q1 2025.