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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
$183M
2
PBA
Paradigm Biocapital Advisors
New York
$39.4M
3
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
$32.5M
4
Holocene Advisors
Holocene Advisors
New York
$81.6M
5
Bank of America
Bank of America
North Carolina
$61.7M

Top Sellers

1
RI
RTW Investments
New York
$134M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$287M
3
UBS Group
UBS Group
Switzerland
$38.4M
4
Wellington Management Group
Wellington Management Group
Massachusetts
$48.6M
5
VRS
Virginia Retirement Systems
Virginia
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$797M +$12.9M +449,795 +2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$529M +$8.31M +290,400 +2%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$287M -$50M -1,746,345 -15%
State Street
4
State Street
Massachusetts
$235M +$5.31M +185,586 +2%
BBA
5
Baker Bros. Advisors
New York
$183M +$55.1M +1,927,318 +43%
Renaissance Technologies
6
Renaissance Technologies
New York
$166M +$2.04M +71,332 +1%
JPMorgan Chase & Co
7
JPMorgan Chase & Co
New York
$138M -$11.4M -398,701 -8%
RI
8
RTW Investments
New York
$134M -$63M -2,202,409 -32%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$115M +$2.4M +83,858 +2%
American Century Companies
10
American Century Companies
Missouri
$105M +$5.48M +191,549 +6%
Dimensional Fund Advisors
11
Dimensional Fund Advisors
Texas
$88.6M +$3.02M +105,632 +4%
Primecap Management
12
Primecap Management
California
$83M -$2.91M -101,585 -3%
ACA
13
Avoro Capital Advisors
New York
$83M +$12.9M +450,000 +18%
Holocene Advisors
14
Holocene Advisors
New York
$81.6M +$19.4M +679,166 +31%
CC
15
Commodore Capital
New York
$70.1M +$14.3M +500,000 +26%
Bank of America
16
Bank of America
North Carolina
$61.7M +$18.5M +647,905 +43%
Loomis, Sayles & Company
17
Loomis, Sayles & Company
Massachusetts
$60.4M -$9.45M -330,389 -14%
Charles Schwab
18
Charles Schwab
California
$59.9M +$1.28M +44,646 +2%
NL
19
Nuveen LLC
North Carolina
$58.6M +$813K +28,405 +1%
Norges Bank
20
Norges Bank
Norway
$53.3M +$53.3M +1,863,895 New
Northern Trust
21
Northern Trust
Illinois
$51.9M -$1.81M -63,281 -3%
Morgan Stanley
22
Morgan Stanley
New York
$51.6M -$10.3M -361,547 -17%
Wellington Management Group
23
Wellington Management Group
Massachusetts
$48.6M -$40M -1,396,776 -45%
Goldman Sachs
24
Goldman Sachs
New York
$47.7M +$5.6M +195,646 +13%
Artisan Partners
25
Artisan Partners
Wisconsin
$44.1M -$2.7M -94,462 -6%
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