Institutional Ownership Acumen Pharmaceuticals, Inc. (ABOS)
This table provides information about the institutional ownership of Acumen Pharmaceuticals, Inc. (ABOS). We have compiled data on the 72 institutions that hold shares in the stock, with a total of 37.2 Million shares, which have been reported (via 13F filing form) to have a value of $46.9 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Ra Capital Management, L.P.
Boston, MA |
May 15, 2025 Q1 2025 |
14,932,063
shares
|
$18.8 Million
0.34% of portfolio
|
Q2 2024
New holding
|
|
|
Sands Capital Ventures, LLC
Arlington, VA |
Aug 13, 2025 Q2 2025 |
3,417,075
shares
|
$4.31 Million
1.28% of portfolio
|
Q3 2021
New holding
|
|
|
Franklin Resources Inc
San Mateo, CA |
Aug 12, 2025 Q2 2025 |
3,077,039
shares
|
$3.88 Million
0.0% of portfolio
|
Q2 2025
Reduced 2.07%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
2,158,661
shares
|
$2.72 Million
0.0% of portfolio
|
Q2 2024
Added 1037.95%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Aug 11, 2025 Q2 2025 |
1,689,351
shares
|
$2.13 Million
0.0% of portfolio
|
Q2 2025
Reduced 12.78%
|
|
|
Knollwood Investment Advisory, LLC
Hunt Valley, MD |
Aug 13, 2025 Q2 2025 |
1,628,510
shares
|
$2.05 Million
0.18% of portfolio
|
Q3 2023
Reduced 2.98%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
May 15, 2025 Q1 2025 |
1,135,222
shares
|
$1.43 Million
0.0% of portfolio
|
Q1 2025
Reduced 15.58%
|
|
|
Pathstone Holdings, LLC
Englewood, NJ |
Aug 12, 2025 Q2 2025 |
1,058,531
shares
|
$1.33 Million
0.0% of portfolio
|
Q2 2025
Reduced 2.58%
|
|
|
Alyeska Investment Group, L.P.
Chicago, IL |
May 15, 2025 Q1 2025 |
939,603
shares
|
$1.18 Million
0.0% of portfolio
|
Q1 2024
Added 28.15%
|
|
|
Laurion Capital Management LP
New York, NY |
May 15, 2025 Q1 2025 |
867,046
shares
|
$1.09 Million
0.02% of portfolio
|
Q3 2024
Reduced 26.42%
|
|
|
Jpmorgan Chase & CO
New York, NY |
May 12, 2025 Q1 2025 |
832,267
shares
|
$1.05 Million
0.0% of portfolio
|
Q1 2025
Reduced 11.26%
|
|
|
Hudson Bay Capital Management LP
Greenwich, CT |
May 14, 2025 Q1 2025 |
770,000
shares
|
$970,200
0.0% of portfolio
|
Q1 2025
Added 7.69%
|
|
|
State Street Corp
Boston, MA |
May 15, 2025 Q1 2025 |
521,206
shares
|
$656,719
0.0% of portfolio
|
Q1 2025
Reduced 0.87%
|
|
|
Pathstone Family Office, LLC
Englewood, NJ |
Nov 08, 2023 Q3 2023 |
478,790
shares
|
$603,275
0.01% of portfolio
|
Q2 2023
Reduced 2.45%
|
|
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
May 15, 2025 Q1 2025 |
463,700
shares
|
$584,262
0.0% of portfolio
|
Q1 2025
Reduced 7.09%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Aug 08, 2025 Q2 2025 |
396,626
shares
|
$499,748
0.0% of portfolio
|
Q2 2025
Reduced 53.98%
|
|
|
Ikarian Capital, LLC
Dallas, TX |
May 15, 2025 Q1 2025 |
265,769
shares
|
$334,868
0.04% of portfolio
|
Q4 2024
Reduced 0.25%
|
|
|
Y Intercept (Hong Kong) LTD
|
Aug 01, 2025 Q2 2025 |
250,848
shares
|
$316,068
0.01% of portfolio
|
Q2 2025
New holding
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Aug 13, 2025 Q2 2025 |
246,588
shares
|
$310,700
0.0% of portfolio
|
Q2 2025
Reduced 3.94%
|
|
|
Two Sigma Investments, LP
New York, NY |
May 15, 2025 Q1 2025 |
232,293
shares
|
$292,689
0.0% of portfolio
|
Q1 2025
Reduced 22.89%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Jun 26, 2025 Q1 2025 |
196,207
shares
|
$247,220
0.0% of portfolio
|
Q1 2025
Reduced 10.47%
|
|
|
Bank Of America Corp
Charlotte, NC |
May 15, 2025 Q1 2025 |
158,934
shares
|
$200,256
0.0% of portfolio
|
Q1 2025
Added 6.91%
|
|
|
Morgan Stanley
New York, NY |
May 15, 2025 Q1 2025 |
152,636
shares
|
$192,321
0.0% of portfolio
|
Q1 2025
Reduced 42.66%
|
|
|
Adar1 Capital Management, LLC
Austin, TX |
May 15, 2025 Q1 2025 |
146,183
shares
|
$184,190
0.03% of portfolio
|
Q1 2025
Added 55.03%
|
|
|
Marshall Wace, LLP
London, X0 |
Aug 13, 2025 Q2 2025 |
137,943
shares
|
$173,808
0.0% of portfolio
|
Q2 2025
New holding
|