Institutional Ownership
Alkermes PLC
CUSIP G01767105SHSALKSQ1 2026
Institutional Holders
378
13F filers
Shares Held
157.02M
Aggregate institutional
Institutional Value
$5.26B
Q1 2026
Net New Holders
+19
64 new · 45 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions64
Increased121
Decreased149
Sold out45
Institutional Holders
378 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Blackrock, Inc. | 28.31M | $1.00B | +42.0K | Added |
| 2 | Baker Bros. Advisors LP | 10.01M | $354.03M | 0 | Held |
| 3 | State Street Corp | 9.47M | $334.69M | −7.6K | Reduced |
| 4 | Renaissance Technologies LLC | 6.16M | $217.83M | −507.6K | Reduced |
| 5 | American Century Companies Inc | 6.07M | $214.71M | +115.3K | Added |
| 6 | Dimensional Fund Advisors LP | 4.52M | $159.85M | +109.6K | Added |
| 7 | Commodore Capital LP | 4.20M | $148.51M | +650.0K | Added |
| 8 | Geode Capital Management, LLC | 4.18M | $147.91M | +101.5K | Added |
| 9 | Deep Track Capital, LP | 3.59M | $126.95M | +1.59M | Added |
| 10 | Jpmorgan Chase & Co | 4.10M | $123.67M | −1.08M | Reduced |
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