Companies / Alkermes plc. / Activity
Activity — Alkermes plc.
133 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Bvf INC/IL 13F manager | New | Common stock | $70.72M | +2.0M | 2,000,000 1.19% of shares | high |
| Q1 2026 as of | Norges Bank 13F manager | Exit | Common stock | $-54.44M | -1.9M -100.00% | 0 | high |
| Q1 2026 as of | First Trust Advisors LP 13F manager | Add | Common stock | $53.56M | +1.5M +104.18% | 2,968,785 1.77% of shares | high |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $50.47M | +963K +3.41% | 29,235,739 17.43% of shares | high |
| Q1 2026 as of | Arrowstreet Capital, Limited Partnership 13F manager | Exit | Common stock | $-40.59M | -1.5M -100.00% | 0 | medium |
| Q2 2026 as of | Victory Capital Management, Inc. 13F manager | Add | Common stock | $31.84M | +608K +196.74% | 916,709 0.55% of shares | medium |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Add | Common stock | $30.74M | +869K +669.31% | 999,322 0.60% of shares | medium |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Trim | Common stock | $-17.95M | -508K -7.61% | 6,160,428 3.67% of shares | medium |
| Q2 2026 as of | State Street Corporation 13F manager | Trim | Common stock | $-16.36M | -312K -3.30% | 9,160,575 5.46% of shares | medium |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Trim | Common stock | $-15.30M | -433K -35.66% | 780,683 0.47% of shares | medium |
| Q1 2026 as of | Voya Investment Management LLC 13F manager | Trim | Common stock | $-14.45M | -409K -81.44% | 93,130 0.06% of shares | medium |
| Q1 2026 as of | Jeffrey L. Gendell 13F manager | New | Common stock | $9.32M | +264K | 263,604 0.16% of shares | medium |
| Q1 2026 as of | CPPIB Crestone Peak Resources Canada Inc. 13F manager | Trim | Common stock | $-9.27M | -262K -84.39% | 48,500 0.03% of shares | medium |
| Q1 2026 as of | Bridgewater Associates, LP 13F manager | Trim | Common stock | $-9.22M | -261K -75.67% | 83,806 0.05% of shares | medium |
| Q2 2025 as of | Barclays PLC 13F manager | Add | Common stock | $7.84M | +274K +65.29% | 694,122 0.41% of shares | medium |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Trim | Common stock | $-7.11M | -201K -22.05% | 710,297 0.42% of shares | medium |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Add | Common stock | $6.62M | +237K +21.58% | 1,333,105 0.79% of shares | medium |
| Q3 2024 as of | Barclays PLC 13F manager | Add | Common stock | $6.18M | +221K +108.79% | 423,931 0.25% of shares | medium |
| Q1 2026 as of | Hudson Bay Capital Management LP 13F manager | New | Common stock | $6.14M | +174K | 173,626 0.10% of shares | medium |
| Q4 2023 as of | Barclays PLC 13F manager | Add | Common stock | $5.54M | +200K +87.52% | 428,269 0.26% of shares | medium |
| Q1 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-5.24M | -194K -45.18% | 234,760 0.14% of shares | medium |
| Q1 2026 as of | AQR Capital Management, LLC 13F manager | Trim | Common stock | $-4.61M | -130K -25.34% | 383,977 0.23% of shares | low |
| Q4 2025 as of | Danske Bank A/S 13F manager | Trim | Common stock | $-4.25M | -152K -99.22% | 1,200 <0.01% of shares | low |
| Q3 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-4.12M | -137K -19.81% | 556,651 0.33% of shares | low |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common stock | $3.59M | +101K +2.49% | 4,182,267 2.49% of shares | low |
| Q1 2026 as of | Intech Investment Management LLC 13F manager | Trim | Common stock | $-3.49M | -99K -61.80% | 60,967 0.04% of shares | low |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Add | Common stock | $3.45M | +98K +22.69% | 527,967 0.31% of shares | low |
| Q1 2026 as of | Victory Capital Management, Inc. 13F manager | Trim | Common stock | $-3.31M | -94K -23.26% | 308,929 0.18% of shares | low |
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | Trim | Common stock | $-3.28M | -93K -13.66% | 586,775 0.35% of shares | low |
| Q1 2026 as of | Capital Fund Management S.A. 13F manager | Add | Common stock | $3.26M | +92K +61.20% | 243,043 0.14% of shares | low |
| Q1 2026 as of | Los Angeles Capital Management LLC 13F manager | Trim | Common stock | $-3.00M | -85K -98.34% | 1,435 <0.01% of shares | low |
| Q2 2026 as of | Deutsche Bank AG 13F manager | Add | Common stock | $2.98M | +57K +42.28% | 191,316 0.11% of shares | low |
| Q3 2024 as of | Danske Bank A/S 13F manager | Trim | Common stock | $-2.95M | -105K -67.27% | 51,286 0.03% of shares | low |
| Q1 2026 as of | Hussman Strategic Advisors, Inc. 13F manager | Exit | Common stock | $-2.94M | -105K -100.00% | 0 | low |
| Q4 2024 as of | Danske Bank A/S 13F manager | Add | Common stock | $2.92M | +102K +198.17% | 152,921 0.09% of shares | low |
| Q2 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-2.36M | -76K -26.93% | 204,877 0.12% of shares | low |
| Q1 2026 as of | Prudential Financial Inc 13F manager | Trim | Common stock | $-2.21M | -63K -32.20% | 131,870 0.08% of shares | low |
| Q1 2026 as of | Campbell & CO Investment Adviser LLC 13F manager | Exit | Common stock | $-2.05M | -73K -100.00% | 0 | low |
| Q1 2026 as of | Great Point Partners, LLC 13F manager | New | Common stock | $1.77M | +50K | 50,000 0.03% of shares | low |
| Q1 2026 as of | HighVista Strategies LLC 13F manager | Add | Common stock | $1.65M | +47K +177.22% | 73,189 0.04% of shares | low |
| Q1 2026 as of | Millennium Management LLC 13F manager | Exit | Common stock | $-1.53M | -55K -100.00% | 0 | low |
| Q1 2026 as of | Rafferty Asset Management, LLC 13F manager | Trim | Common stock | $-1.44M | -41K -20.09% | 162,424 0.10% of shares | low |
| Q1 2026 as of | Bank of New York Mellon Corp/The 13F manager | Trim | Common stock | $-1.33M | -38K -3.50% | 1,036,460 0.62% of shares | low |
| Q1 2026 as of | TD Asset Management Inc 13F manager | Exit | Common stock | $-1.29M | -46K -100.00% | 0 | low |
| Q1 2026 as of | AllianceBernstein L.P. 13F manager | Add | Common stock | $1.26M | +45K +20.88% | 260,935 0.16% of shares | low |
| Q1 2026 as of | California State Teachers Retirement System 13F manager | Add | Common stock | $1.24M | +35K +23.52% | 183,795 0.11% of shares | low |
| Q1 2026 as of | Zacks Investment Management 13F manager | Trim | Common stock | $-1.21M | -34K -40.66% | 50,058 0.03% of shares | low |
| Q1 2026 as of | Amundi 13F manager | Add | Common stock | $1.14M | +32K +99.83% | 64,710 0.04% of shares | low |
| Q1 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-1.05M | -37K -11.77% | 280,393 0.17% of shares | low |
| Q1 2026 as of | Segall Bryant & Hamill, LLC 13F manager | Trim | Common stock | $-1.04M | -30K -4.80% | 585,769 0.35% of shares | low |