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Acumen Pharmaceuticals
ABOS

Overview Fund Activity

66 hedge funds and large institutions have $179M invested in Acumen Pharmaceuticals in 2023 Q3 according to their latest regulatory filings, with 25 funds opening new positions, 23 increasing their positions, 11 reducing their positions, and 12 closing their positions.

Holders
66
Holders Change
+13
Holders Change %
+24.53%
% of All Funds
1.05%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
25
Increased
23
Reduced
11
Closed
12
Calls
$1.01M
Puts
$1.21M
Net Calls
-$197K
Net Calls Change
-$1.25M

Top Buyers

1
RCM
1
RA Capital Management
Massachusetts
$62M
2
Franklin Resources
2
Franklin Resources
California
$11.8M
3
RSCM
3
Rock Springs Capital Management
Maryland
$11.7M
4
BC
4
Boxer Capital
California
$9.16M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$7.7M

Top Sellers

1
DTC
1
Deep Track Capital
Connecticut
$10.4M
2
IC
2
Ikarian Capital
Texas
$1.31M
3
WP
3
WMS Partners
Maryland
$0
4
JGC
4
J. Goldman & Co
New York
$0
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
RCM
1
RA Capital Management
Massachusetts
$62M 14,932,063 +5,161,290 +53%
SCV
2
Sands Capital Ventures
Virginia
$14.2M 3,417,075 – –
Franklin Resources
3
Franklin Resources
California
$11.8M 2,838,765 +2,838,765 New
RSCM
4
Rock Springs Capital Management
Maryland
$11.7M 2,812,579 +2,812,579 New
DTC
5
Deep Track Capital
Connecticut
$10.4M 2,513,044 -1,403,317 -36%
BC
6
Boxer Capital
California
$9.16M 2,206,983 +2,206,983 New
LCM
7
Laurion Capital Management
New York
$7.86M 1,895,023 +688,475 +57%
Vanguard Group
8
Vanguard Group
Pennsylvania
$7.7M 1,856,552 +1,121,700 +153%
Millennium Management
9
Millennium Management
New York
$7.12M 1,716,290 +570,272 +50%
KIA
10
Knollwood Investment Advisory
Maryland
$6.76M 1,628,510 -50,000 -3%
GPP
11
Great Point Partners
Connecticut
$4.46M 1,074,101 +22,834 +2%
ACM
12
Altium Capital Management
New York
$2.7M 650,000 +650,000 New
SSA
13
Schonfeld Strategic Advisors
New York
$2.68M 645,112 +645,112 New
Alyeska Investment Group
14
Alyeska Investment Group
Illinois
$2.55M 613,822 +613,822 New
BlackRock
15
BlackRock
New York
$2.42M 583,414 +100,090 +21%
Hudson Bay Capital Management
16
Hudson Bay Capital Management
Connecticut
$2.18M 525,000 +130,000 +33%
PHP
17
Parkman Healthcare Partners
Connecticut
$2.07M 499,814 +499,814 New
PFO
18
Pathstone Family Office
New Jersey
$1.99M 478,790 +11,730 +3%
IC
19
Ikarian Capital
Texas
$1.31M 315,265 -339,680 -52%
Geode Capital Management
20
Geode Capital Management
Massachusetts
$1.1M 264,603 +97,783 +59%
Susquehanna International Group
21
Susquehanna International Group
Pennsylvania
$738K 177,779 +177,779 New
GTC
22
Ghost Tree Capital
New York
$623K 150,000 +150,000 New
Two Sigma Investments
23
Two Sigma Investments
New York
$549K 132,351 +105,716 +397%
BCM
24
Bridgeway Capital Management
Texas
$477K 115,033 -27,800 -19%
Wellington Management Group
25
Wellington Management Group
Massachusetts
$433K 104,359 +104,359 New
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