Alkermes Plc ALKS
$54.58
+5.5% 52w: $26.13 – $55.08
Latest 13F among current holders filed 10 days ago (Jun 24, 2026)
Price — last 12 months
research preview data26.1340.6155.08
Jun 20, 2025 Jul 2, 2026
Institutional holders
388
+22 QoQ
13F value
$6.21B
+23.0% QoQ
Smart-money holders
36
signal tier ≥ 2
New smart buyers
15
Q1 2026
Options barometer
1.1×
$12.1M calls / $11.0M puts
Institutional value by quarter
Number of holders
Who owns ALKS?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | Index provider | 28.3M | $1.00B | 0.0% | +0.1% |
| BAKER BROS. ADVISORS LP ★2 | Fundamental diversified | 10.0M | $354.0M | 2.0% | Held |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 9.5M | $336.3M | 0.0% | — |
| STATE STREET CORP | Index provider | 9.5M | $334.7M | 0.0% | -0.1% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 7.4M | $262.6M | 0.0% | — |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 6.2M | $217.8M | 0.3% | -7.6% |
| AMERICAN CENTURY COMPANIES INC | Diversified mechanical | 6.1M | $214.7M | 0.1% | +1.9% |
| PRICE T ROWE ASSOCIATES INC /MD/ | Diversified mechanical | 4.7M | $164.9M | 0.0% | -48.2% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 4.5M | $159.9M | 0.0% | +2.5% |
| Commodore Capital LP ★3 | Fundamental concentrated | 4.2M | $148.5M | 8.6% | +18.3% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 4.2M | $147.9M | 0.0% | +2.5% |
| Deep Track Capital, LP ★2 | Fundamental diversified | 3.6M | $127.0M | 2.6% | +79.5% |
| JPMORGAN CHASE & CO | Bank broker | 4.1M | $123.7M | 0.0% | -20.9% |
| WELLINGTON MANAGEMENT GROUP LLP | Long only active | 3.0M | $105.0M | 0.0% | -1.7% |
| FIRST TRUST ADVISORS LP | Index provider | 3.0M | $105.0M | 0.1% | +104.2% |
| PRIMECAP MANAGEMENT CO/CA/ ★2 | Long only active | 2.5M | $89.8M | 0.1% | -0.9% |
| Nuveen, LLC | Diversified mechanical | 2.5M | $87.0M | 0.0% | +1.4% |
| Holocene Advisors, LP | Other | 2.3M | $81.9M | 0.2% | New |
| CITADEL ADVISORS LLC | Multistrat pod | 2.2M | $79.3M | 0.1% | +87.1% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 2.2M | $79.1M | 0.0% | +3.9% |
| BVF INC/IL ★3 | Fundamental concentrated | 2.0M | $70.7M | 2.3% | New |
| Soleus Capital Management, L.P. ★2 | Fundamental diversified | 2.0M | $69.7M | 2.8% | +49.0% |
| GOLDMAN SACHS GROUP INC | Bank broker | 1.9M | $66.6M | 0.0% | -17.0% |
| LOOMIS SAYLES & CO L P | Other | 1.8M | $63.1M | 0.1% | -6.2% |
| MORGAN STANLEY | Bank broker | 1.7M | $61.4M | 0.0% | -8.1% |
| NORTHERN TRUST CORP | Index provider | 1.7M | $60.0M | 0.0% | +2.6% |
| RTW INVESTMENTS, LP ★2 | Fundamental diversified | 1.7M | $59.1M | 0.6% | Held |
| Affinity Asset Advisors, LLC ★2 | Fundamental diversified | 1.4M | $47.7M | 2.8% | +35.0% |
| FMR LLC | Long only active | 1.3M | $46.8M | 0.0% | -2.3% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 1.2M | $42.8M | 0.0% | -9.2% |
| Avoro Capital Advisors LLC ★3 | Fundamental concentrated | 1.2M | $42.4M | 0.4% | -14.3% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 1.1M | $39.9M | 0.0% | — |
| Artisan Partners Limited Partnership | Other | 1.1M | $39.3M | 0.1% | -17.6% |
| Bank of New York Mellon Corp | Diversified mechanical | 1.0M | $36.6M | 0.0% | -3.5% |
| MARSHALL WACE, LLP | Quant stat arb | 999.3K | $35.3M | 0.0% | +669.3% |
| PRINCIPAL FINANCIAL GROUP INC | Diversified mechanical | 958.0K | $33.9M | 0.0% | +1.1% |
| PANAGORA ASSET MANAGEMENT INC | Diversified mechanical | 932.9K | $33.0M | 0.1% | +0.4% |
| T. Rowe Price Investment Management, Inc. | Long only active | 894.3K | $31.6M | 0.0% | +21202.4% |
| Pictet Asset Management Holding SA | Diversified mechanical | 942.2K | $30.2M | 0.0% | -36.2% |
| Driehaus Capital Management LLC | Other | 792.0K | $28.0M | 0.2% | -0.6% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 780.7K | $27.6M | 0.0% | -35.7% |
| AMERIPRISE FINANCIAL INC | Bank broker | 741.1K | $26.2M | 0.0% | +39.5% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 710.3K | $25.1M | 0.0% | -22.1% |
| Frazier Life Sciences Management, L.P. ★3 | Fundamental concentrated | 700.6K | $24.8M | 0.6% | Held |
| Pacer Advisors, Inc. | Diversified mechanical | 688.6K | $24.3M | 0.1% | +2.0% |
| Public Sector Pension Investment Board | Pension sovereign | 677.4K | $24.0M | 0.1% | +0.9% |
| Man Group plc | Quant stat arb | 625.0K | $22.1M | 0.0% | +100.0% |
| Bain Capital Life Sciences Investors, LLC ★3 | Fundamental concentrated | 610.0K | $21.6M | 1.9% | New |
| Balyasny Asset Management L.P. | Multistrat pod | 586.8K | $20.7M | 0.0% | -13.7% |
| SEGALL BRYANT & HAMILL, LLC | Other | 585.8K | $20.7M | 0.3% | -4.8% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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