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Alkermes
ALKS

Overview Fund Activity

350 hedge funds and large institutions have $4.84B invested in Alkermes in 2025 Q2 according to their latest regulatory filings, with 42 funds opening new positions, 154 increasing their positions, 118 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
350
Holders Change
-19
Holders Change %
-5.15%
% of All Funds
4.69%
Holding in Top 10
4
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
42
Increased
154
Reduced
118
Closed
55
Calls
$15.5M
Puts
$11M
Net Calls
+$4.53M
Net Calls Change
+$11.1M

Top Buyers

1
BBA
Baker Bros. Advisors
New York
+$55.1M
2
PBA
Paradigm Biocapital Advisors
New York
+$39.4M
3
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
+$28.8M
4
Holocene Advisors
Holocene Advisors
New York
+$19.4M
5
Bank of America
Bank of America
North Carolina
+$18.5M

Top Sellers

1
RI
RTW Investments
New York
-$63M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$50M
3
UBS Group
UBS Group
Switzerland
-$48.7M
4
Wellington Management Group
Wellington Management Group
Massachusetts
-$40M
5
VRS
Virginia Retirement Systems
Virginia
-$31.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
LSV Asset Management
351
LSV Asset Management
Illinois
– -$6.04M -182,965 Closed
EI
352
EAM Investors
California
– -$5.25M -159,055 Closed
Qube Research & Technologies (QRT)
353
Qube Research & Technologies (QRT)
United Kingdom
– -$5.17M -156,476 Closed
SCM
354
Silverarc Capital Management
Massachusetts
– -$4.12M -124,871 Closed
HF
355
HRT Financial
New York
– -$4.05M -122,638 Closed
AI
356
Allostery Investments
Connecticut
– -$3.8M -115,000 Closed
CF
357
Corebridge Financial
Texas
– -$2.78M -84,142 Closed
Tudor Investment Corp
358
Tudor Investment Corp
Connecticut
– -$2.32M -70,316 Closed
ARC
359
Advisor Resource Council
Texas
– -$1.92M -60,952 Closed
XT
360
XTX Topco
Cayman Islands
– -$1.79M -54,347 Closed
FCM
361
Fieldview Capital Management
Michigan
– -$1.75M -52,943 Closed
TC
362
TwinBeech Capital
New York
– -$1.09M -33,016 Closed
JG
363
Jain Global
New York
– -$993K -30,078 Closed
PCS
364
Private Client Services
Kentucky
– -$929K -28,132 Closed
BC
365
Bridgefront Capital
Texas
– -$771K -23,346 Closed
PCM
366
Penserra Capital Management
California
– -$759K -23,010 Closed
Baird Financial Group
367
Baird Financial Group
Wisconsin
– -$587K -17,764 Closed
I
368
InceptionR
California
– -$557K -16,858 Closed
SC
369
Syon Capital
California
– -$493K -14,938 Closed
BCM
370
Bayesian Capital Management
New York
– -$446K -13,500 Closed
JFG
371
Jefferies Financial Group
New York
– -$410K -12,417 Closed
QC
372
Quantessence Capital
New York
– -$373K -11,300 Closed
USAA
373
United Services Automobile Association
Texas
– -$359K -10,815 Closed
GCP
374
GSA Capital Partners
United Kingdom
– -$341K -10,315 Closed
SP
375
SIH Partners
Delaware
– -$338K -10,234 Closed
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