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Alkermes

388 hedge funds and large institutions have $6.2B invested in Alkermes in 2026 Q1 according to their latest regulatory filings, with 75 funds opening new positions, 121 increasing their positions, 148 reducing their positions, and 46 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more funds holding in top 10

Funds holding in top 10: 13 (+2)

63% more first-time investments, than exits

New positions opened: 75 | Existing positions closed: 46

23% more capital invested

Capital invested by funds: $5.05B → $6.2B (+$1.15B)

6% more funds holding

Funds holding: 366388 (+22)

10% more call options, than puts

Call options by funds: $12.1M | Put options by funds: $11M

3.49% less ownership

Funds ownership: 109.24%105.75% (-3.5%)

18% less repeat investments, than reductions

Existing positions increased: 121 | Existing positions reduced: 148

Holders
388
Holders Change
+22
Holders Change %
+6.01%
% of All Funds
4.78%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.04%
New
75
Increased
121
Reduced
148
Closed
46
Calls
$12.1M
Puts
$11M
Net Calls
+$1.09M
Net Calls Change
+$17.6M
Name Holding Trade Value Shares
Change
Change in
Stake
Northern Trust
26
Northern Trust
Illinois
$60M +$1.35M +43,607 +3%
RI
27
RTW Investments
New York
$59.1M
AAA
28
Affinity Asset Advisors
New York
$47.7M +$10.9M +350,000 +35%
Fidelity Investments
29
Fidelity Investments
Massachusetts
$46.8M -$977K -31,506 -2%
Bank of America
30
Bank of America
North Carolina
$42.8M -$3.79M -122,254 -9%
ACA
31
Avoro Capital Advisors
New York
$42.4M -$6.2M -200,000 -14%
VFT
32
Vanguard Fiduciary Trust
Pennsylvania
$39.9M +$35M +1,129,236 New
Artisan Partners
33
Artisan Partners
Wisconsin
$39.3M -$7.36M -237,381 -18%
Bank of New York Mellon
34
Bank of New York Mellon
New York
$36.6M -$1.17M -37,627 -4%
Marshall Wace
35
Marshall Wace
United Kingdom
$35.3M +$27M +869,423 +669%
Principal Financial Group
36
Principal Financial Group
Iowa
$33.9M +$322K +10,393 +1%
PAM
37
Panagora Asset Management
Massachusetts
$33M +$123K +3,978 +0.4%
T. Rowe Price Investment Management
38
T. Rowe Price Investment Management
Maryland
$31.6M +$27.7M +892,177 +42,505%
Pictet Asset Management
39
Pictet Asset Management
Switzerland
$30.2M -$16.6M -535,030 -36%
DCM
40
Driehaus Capital Management
Illinois
$28M -$155K -5,005 -0.6%
Two Sigma Investments
41
Two Sigma Investments
New York
$27.6M -$13.4M -432,714 -36%
Ameriprise
42
Ameriprise
Minnesota
$26.2M +$6.51M +209,779 +39%
D.E. Shaw & Co
43
D.E. Shaw & Co
New York
$25.1M -$6.23M -200,975 -22%
FLSM
44
Frazier Life Sciences Management
California
$24.8M
Pacer Advisors
45
Pacer Advisors
Pennsylvania
$24.3M +$425K +13,689 +2%
Public Sector Pension Investment Board (PSP Investments)
46
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$24M +$193K +6,235 +0.9%
Man Group
47
Man Group
United Kingdom
$22.1M +$9.7M +312,534 +100%
BCLSI
48
Bain Capital Life Sciences Investors
Massachusetts
$21.6M +$18.9M +610,000 New
Balyasny Asset Management
49
Balyasny Asset Management
Illinois
$20.7M -$2.88M -92,858 -14%
SBH
50
Segall Bryant & Hamill
Illinois
$20.7M -$916K -29,523 -5%