Alkermes plc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 02/12/2026 | 28.27 M | $791.06 M | 1.07% | 17.13% |
| VANGUARD GROUP INC | 01/29/2026 | 18.01 M | $503.85 M | -0.95% | 10.91% |
| BAKER BROS. ADVISORS LP | 02/17/2026 | 10.01 M | $280.14 M | 23.74% | 6.06% |
| STATE STREET CORP | 02/13/2026 | 9.47 M | $265.05 M | 10.92% | 5.74% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 02/17/2026 | 9.00 M | $251.79 M | -12.11% | 5.45% |
| RENAISSANCE TECHNOLOGIES LLC | 02/12/2026 | 6.67 M | $186.57 M | 5.97% | 4.04% |
| AMERICAN CENTURY COMPANIES INC | 02/13/2026 | 5.96 M | $166.67 M | 35.46% | 3.61% |
| JPMORGAN CHASE & CO | 02/11/2026 | 5.18 M | $145.06 M | 31.98% | 3.14% |
| DIMENSIONAL FUND ADVISORS LP | 02/12/2026 | 4.41 M | $123.47 M | 19.33% | 2.67% |
| GEODE CAPITAL MANAGEMENT, LLC | 02/09/2026 | 4.08 M | $114.20 M | 0.48% | 2.47% |
| COMMODORE CAPITAL LP | 02/17/2026 | 3.55 M | $99.33 M | 14.64% | 2.15% |
| WELLINGTON MANAGEMENT GROUP LLP | 02/17/2026 | 3.02 M | $84.51 M | 705.04% | 1.83% |
| PRIMECAP MANAGEMENT CO/CA/ | 02/11/2026 | 2.56 M | $71.75 M | -7.06% | 1.55% |
| UBS GROUP AG | 01/29/2026 | 2.54 M | $71.21 M | 237.44% | 1.54% |
| NUVEEN, LLC | 02/12/2026 | 2.43 M | $67.91 M | 11.67% | 1.47% |
| GOLDMAN SACHS GROUP INC | 03/25/2026 | 2.27 M | $63.45 M | 13.67% | 1.37% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 02/13/2026 | 2.15 M | $60.23 M | 0.58% | 1.30% |
| DEEP TRACK CAPITAL, LP | 02/13/2026 | 2.00 M | $55.96 M | 100.00% | 1.21% |
| NORGES BANK | 02/10/2026 | 1.95 M | $54.44 M | 100.00% | 1.18% |
| LOOMIS SAYLES & CO L P | 02/12/2026 | 1.90 M | $53.23 M | -7.14% | 1.15% |
| MORGAN STANLEY | 02/13/2026 | 1.89 M | $52.84 M | 21.72% | 1.14% |
| RTW INVESTMENTS, LP | 02/17/2026 | 1.67 M | $46.79 M | 0.00% | 1.01% |
| NORTHERN TRUST CORP | 02/17/2026 | 1.65 M | $46.26 M | -6.38% | 1.00% |
| PICTET ASSET MANAGEMENT HOLDING SA | 01/29/2026 | 1.48 M | $41.34 M | 65.41% | 0.89% |
| FIRST TRUST ADVISORS LP | 02/13/2026 | 1.45 M | $40.68 M | 4.00% | 0.88% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 02/13/2026 | 1.45 M | $40.59 M | 20.01% | 0.88% |
| AVORO CAPITAL ADVISORS LLC | 03/16/2026 | 1.40 M | $39.17 M | -37.50% | 0.85% |
| FMR LLC | 02/17/2026 | 1.36 M | $37.92 M | 4.61% | 0.82% |
| ARTISAN PARTNERS LIMITED PARTNERSHIP | 02/17/2026 | 1.35 M | $37.75 M | -36.05% | 0.82% |
| BANK OF AMERICA CORP /DE/ | 02/17/2026 | 1.33 M | $37.30 M | 21.58% | 0.81% |
| SOLEUS CAPITAL MANAGEMENT, L.P. | 02/12/2026 | 1.32 M | $37.00 M | 100.00% | 0.80% |
| TWO SIGMA INVESTMENTS, LP | 02/17/2026 | 1.21 M | $33.95 M | 84.83% | 0.74% |
| CITADEL ADVISORS LLC | 02/17/2026 | 1.20 M | $33.53 M | 70.01% | 0.73% |
| SQUAREPOINT OPS LLC | 02/13/2026 | 1.10 M | $30.66 M | 146.09% | 0.66% |
| BANK OF NEW YORK MELLON CORP | 02/10/2026 | 1.07 M | $30.05 M | -24.60% | 0.65% |
| AFFINITY ASSET ADVISORS, LLC | 02/13/2026 | 1.00 M | $27.98 M | -20.00% | 0.61% |
| VIRGINIA RETIREMENT SYSTEMS ET AL | 02/04/2026 | 976.48 K | $27.32 M | 8.34% | 0.59% |
| PRINCIPAL FINANCIAL GROUP INC | 02/02/2026 | 947.62 K | $26.51 M | 5.25% | 0.57% |
| PANAGORA ASSET MANAGEMENT INC | 02/13/2026 | 928.96 K | $25.99 M | 4.71% | 0.56% |
| D. E. SHAW & CO., INC. | 02/17/2026 | 911.27 K | $25.50 M | 72.34% | 0.55% |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 02/17/2026 | 796.97 K | $22.30 M | -3.69% | 0.48% |
| FRAZIER LIFE SCIENCES MANAGEMENT, L.P. | 02/13/2026 | 700.65 K | $19.60 M | 0.00% | 0.42% |
| BALYASNY ASSET MANAGEMENT L.P. | 02/17/2026 | 679.63 K | $19.02 M | 100.00% | 0.41% |
| PACER ADVISORS, INC. | 02/24/2026 | 674.87 K | $18.88 M | -16.49% | 0.41% |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | 02/13/2026 | 671.17 K | $18.78 M | -5.56% | 0.41% |
| SEGALL BRYANT & HAMILL, LLC | 02/13/2026 | 615.29 K | $17.22 M | 3.15% | 0.37% |
| BARCLAYS PLC | 02/13/2026 | 565.03 K | $15.81 M | 1.51% | 0.34% |
| TWO SIGMA ADVISERS, LP | 02/17/2026 | 562.59 K | $15.74 M | 174.17% | 0.34% |
| WOODLINE PARTNERS LP | 02/17/2026 | 558.57 K | $15.63 M | 0.00% | 0.34% |
| INVESCO LTD. | 02/19/2026 | 538.72 K | $15.07 M | -7.80% | 0.33% |
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Alkermes plc institutional Ownership - FAQ's
During the previous two years, 554 institutional investors and hedge funds held shares of Alkermes plc. The most heavily invested institutionals were:
DIMENSIONAL FUND ADVISORS LP: 4.52 M
PRIMECAP MANAGEMENT CO/CA/: 2.54 M
Nuveen, LLC: 2.46 M
VANGUARD FIDUCIARY TRUST CO: 1.13 M
Bank of New York Mellon Corp: 1.04 M
PRINCIPAL FINANCIAL GROUP INC: 958,016
109.24% of Alkermes plc stock is owned by institutional investors.
Institutional investors have bought a total of 234.72 M shares in the last 24 months. This purchase volume represents approximately $6.68 B in transactions.