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Acumen Pharmaceuticals
ABOS

Overview Fund Activity

67 hedge funds and large institutions have $148M invested in Acumen Pharmaceuticals in 2023 Q4 according to their latest regulatory filings, with 20 funds opening new positions, 28 increasing their positions, 9 reducing their positions, and 18 closing their positions.

Holders
67
Holders Change
+1
Holders Change %
+1.52%
% of All Funds
0.98%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
20
Increased
28
Reduced
9
Closed
18
Calls
$810K
Puts
$4.57M
Net Calls
-$3.76M
Net Calls Change
-$3.56M

Top Buyers

1
Jane Street
1
Jane Street
New York
$2.32M
2
Franklin Resources
2
Franklin Resources
California
$12.9M
3
Susquehanna International Group
3
Susquehanna International Group
Pennsylvania
$1.92M
4
TCM
4
Tang Capital Management
California
$948K
5
Man Group
5
Man Group
United Kingdom
$555K

Top Sellers

1
DTC
1
Deep Track Capital
Connecticut
$0
2
BC
2
Boxer Capital
California
$0
3
GPP
3
Great Point Partners
Connecticut
$0
4
ACM
4
Altium Capital Management
New York
$0
5
RSCM
5
Rock Springs Capital Management
Maryland
$8.83M
Name Market Value Shares Shares
Change 		Shares
Change %
RCM
1
RA Capital Management
Massachusetts
$57.3M 14,932,063 – –
SCV
2
Sands Capital Ventures
Virginia
$13.1M 3,417,075 – –
Franklin Resources
3
Franklin Resources
California
$12.9M 3,358,809 +520,044 +18%
RSCM
4
Rock Springs Capital Management
Maryland
$8.83M 2,300,059 -512,520 -18%
LCM
5
Laurion Capital Management
New York
$7.28M 1,895,023 – –
Vanguard Group
6
Vanguard Group
Pennsylvania
$7.06M 1,839,552 -17,000 -0.9%
KIA
7
Knollwood Investment Advisory
Maryland
$6.25M 1,628,510 – –
Millennium Management
8
Millennium Management
New York
$5.74M 1,495,284 -221,006 -13%
Alyeska Investment Group
9
Alyeska Investment Group
Illinois
$2.82M 733,203 +119,381 +19%
Jane Street
10
Jane Street
New York
$2.32M 604,620 +587,832 +3,502%
PHP
11
Parkman Healthcare Partners
Connecticut
$2.32M 603,497 +103,683 +21%
Hudson Bay Capital Management
12
Hudson Bay Capital Management
Connecticut
$2.17M 564,400 +39,400 +8%
SSA
13
Schonfeld Strategic Advisors
New York
$2.16M 561,542 -83,570 -13%
Susquehanna International Group
14
Susquehanna International Group
Pennsylvania
$1.92M 499,794 +322,015 +181%
Pathstone Holdings
15
Pathstone Holdings
New Jersey
$1.84M 479,149 +479,149 New
IC
16
Ikarian Capital
Texas
$1.21M 315,265 – –
Geode Capital Management
17
Geode Capital Management
Massachusetts
$1.02M 264,603 – –
BlackRock
18
BlackRock
New York
$953K 248,095 -335,319 -57%
TCM
19
Tang Capital Management
California
$948K 246,895 +246,895 New
Two Sigma Investments
20
Two Sigma Investments
New York
$939K 244,416 +112,065 +85%
Citigroup
21
Citigroup
New York
$568K 147,811 +109,313 +284%
Man Group
22
Man Group
United Kingdom
$555K 144,630 +144,630 New
D.E. Shaw & Co
23
D.E. Shaw & Co
New York
$530K 138,029 +138,029 New
Citadel Advisors
24
Citadel Advisors
Florida
$503K 131,116 +130,884 +56,416%
Two Sigma Advisers
25
Two Sigma Advisers
New York
$498K 129,700 +109,612 +546%
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