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Alkermes Plc
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44.990USD
+0.480+1.08%
Close 06/18, 16:00（ET）Quotes delayed by 15 min
7.49BMarket Cap
48.39P/E TTM
Shareholding Stats
Updated: Thu, May 7
Updated: Thu, May 7
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
14.44%
Baker Bros. Advisors LP
6.01%
Vanguard Portfolio Management, LLC
5.71%
State Street Investment Management (US)
5.68%
T. Rowe Price Associates, Inc.
5.28%
Other
62.88%
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
14.44%
Baker Bros. Advisors LP
6.01%
Vanguard Portfolio Management, LLC
5.71%
State Street Investment Management (US)
5.68%
T. Rowe Price Associates, Inc.
5.28%
Other
62.88%
Shareholder Types
Shareholders
Proportion
Investment Advisor
53.46%
Investment Advisor/Hedge Fund
29.75%
Hedge Fund
19.22%
Research Firm
2.48%
Pension Fund
2.14%
Individual Investor
1.41%
Sovereign Wealth Fund
1.17%
Bank and Trust
0.48%
Private Equity
0.42%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
783
182.39M
109.43%
-12.00M
2025Q4
744
175.23M
117.54%
-23.12K
2025Q3
767
175.30M
122.16%
+2.11M
2025Q2
769
173.38M
125.62%
-4.15M
2025Q1
759
177.46M
124.05%
-27.05M
2024Q4
734
172.08M
130.58%
-12.03M
2024Q3
705
184.36M
134.23%
-884.11K
2024Q2
687
185.17M
126.42%
+3.87M
2024Q1
659
181.61M
124.10%
-28.36M
2023Q4
633
182.01M
111.83%
+12.84M
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
BlackRock Institutional Trust Company, N.A.
24.07M
14.44%
+417.41K
+1.76%
Dec 31, 2025
Baker Bros. Advisors LP
10.01M
6.01%
+1.92M
+23.74%
Dec 31, 2025
State Street Investment Management (US)
9.47M
5.68%
+932.51K
+10.92%
Dec 31, 2025
T. Rowe Price Associates, Inc.
8.80M
5.28%
-1.25M
-12.41%
Dec 31, 2025
Renaissance Technologies LLC
6.67M
4%
+375.50K
+5.97%
Dec 31, 2025
American Century Investment Management, Inc.
5.96M
3.57%
+1.56M
+35.46%
Dec 31, 2025
JP Morgan Asset Management
4.83M
2.9%
+1.21M
+33.37%
Dec 31, 2025
Dimensional Fund Advisors, L.P.
4.41M
2.65%
+714.79K
+19.33%
Dec 31, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
AdvisorShares Psychedelics ETF
7.31%
iShares Neuroscience and Healthcare ETF
3.82%
First Trust NYSE Arca Biotechnology Index Fund
3.3%
Invesco S&P SmallCap Health Care ETF
3.1%
ALPS Medical Breakthroughs ETF
2.07%
Knowledge Leaders Developed World ETF
1.69%
Langar Global HealthTech ETF
1.44%
State Street SPDR S&P Biotech ETF
1.35%
Abacus FCF International Leaders ETF
1.34%
Invesco S&P SmallCap Quality ETF
1.32%
View more
AdvisorShares Psychedelics ETF
Proportion7.31%
iShares Neuroscience and Healthcare ETF
Proportion3.82%
First Trust NYSE Arca Biotechnology Index Fund
Proportion3.3%
Invesco S&P SmallCap Health Care ETF
Proportion3.1%
ALPS Medical Breakthroughs ETF
Proportion2.07%
Knowledge Leaders Developed World ETF
Proportion1.69%
Langar Global HealthTech ETF
Proportion1.44%
State Street SPDR S&P Biotech ETF
Proportion1.35%
Abacus FCF International Leaders ETF
Proportion1.34%
Invesco S&P SmallCap Quality ETF
Proportion1.32%
