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Alkermes

362 hedge funds and large institutions have $5.05B invested in Alkermes in 2025 Q4 according to their latest regulatory filings, with 57 funds opening new positions, 143 increasing their positions, 123 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

more funds holding

Funds holding:

1% less capital invested

Capital invested by funds: $5.08B → $5.05B (-$35.1M)

67% less funds holding in top 10

Funds holding in top 10: 31 (-2)

74% less call options, than puts

Call options by funds: $5.84M | Put options by funds: $22.4M

Holders
362
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$5.84M
Puts
$22.4M
Net Calls
Net Calls Change

Top Buyers

1 +$79.2M
2 +$59.9M
3 +$57.5M
4
UBS Group
UBS Group
Switzerland
+$53.6M
5
American Century Companies
American Century Companies
Missouri
+$46.7M

Top Sellers

1 -$74.1M
2 -$51.6M
3 -$37.1M
4
ACA
Avoro Capital Advisors
New York
-$25.2M
5
Artisan Partners
Artisan Partners
Wisconsin
-$22.8M