Security record · archived quarter
ALKS
Alkermes plc · Healthcare · Drug Manufacturers - Specialty & Generic
121Tracked holders
+1Δ holders
123.13MShares held
$6.45BReported value
+12New positions
−10Exits
Momentum inputs (comparable managers):
holder breadth +0.8% ·
share flow -0.6% ·
net new positions +1.7%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 121 | +1 | 123.13M | $6.45B | +12 | −10 |
| Q1 2026 | 122 | -3 | 122.08M | $4.29B | +3 | −7 |
| Q4 2025 | 124 | +2 | 142.93M | $4.00B | +3 | — |
| Q3 2025 | 20 | -1 | 95.12M | $2.85B | — | −2 |
| Q2 2025 | 19 | +2 | 84.64M | $2.42B | +2 | — |
| Q1 2025 | 14 | 0 | 39.73M | $1.31B | — | — |
| Q4 2024 | 14 | 0 | 45.20M | $1.30B | — | — |
| Q3 2024 | 13 | +2 | 43.42M | $1.22B | +2 | — |
| Q2 2024 | 11 | — | 42.07M | $1.01B | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 29.24M | +3.2% | $1.53B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 21 | State Street Global Advisors ✦ (passive) | 9.16M | -3.2% | $479.97M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 22 | Vanguard Capital Management Llc | 7.52M | +1.2% | $393.75M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 23 | T. Rowe Price ✦ | 6.74M | +44.4% | $353.00M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 24 | T. Rowe Price ✦ | 6.74M | +44.4% | $353.00M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 25 | Renaissance Technologies ✦ | 6.46M | +4.9% | $338.52M | 0.5% | ▲ Add | 9 | SEC ↗ |
| 26 | Geode Capital Management ✦ (passive) | 4.48M | +7.1% | $234.66M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 27 | Geode Capital Management ✦ (passive) | 4.48M | +7.1% | $234.66M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 28 | Dimensional Fund Advisors Lp | 4.19M | -7.2% | $219.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | Dimensional Fund Advisors Lp | 4.19M | -7.2% | $219.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 30 | Dimensional Fund Advisors Lp | 4.19M | -7.2% | $219.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 31 | Dimensional Fund Advisors Lp | 4.19M | -7.2% | $219.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | Dimensional Fund Advisors Lp | 4.19M | -7.2% | $219.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 33 | American Century Companies Inc | 3.95M | -34.9% | $207.18M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 34 | Holocene Advisors, LP | 3.60M | +55.4% | $188.70M | 0.4% | ▲ Add | 2 | SEC ↗ |
| 35 | Wellington Management ✦ | 2.81M | -5.2% | $147.48M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 36 | Wellington Management ✦ | 2.81M | -5.2% | $147.48M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 37 | Wellington Management ✦ | 2.81M | -5.2% | $147.48M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 38 | Wellington Management ✦ | 2.81M | -5.2% | $147.48M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 39 | Wellington Management ✦ | 2.81M | -5.2% | $147.48M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 40 | Wellington Management ✦ | 2.81M | -5.2% | $147.48M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 41 | Wellington Management ✦ | 2.81M | -5.2% | $147.48M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 42 | PRIMECAP Management ✦ | 2.53M | -0.5% | $132.49M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 43 | First Trust Advisors Lp | 2.42M | -18.4% | $126.85M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 44 | Charles Schwab Investment… | 2.34M | +4.4% | $122.35M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 45 | Nuveen, LLC | 2.32M | -5.5% | $121.78M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 46 | Nuveen, LLC | 2.32M | -5.5% | $121.78M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 47 | Nuveen, LLC | 2.32M | -5.5% | $121.78M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 48 | Nuveen, LLC | 2.32M | -5.5% | $121.78M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Norges Bank ✦ (passive) | 2.16M | New | $113.01M | 0.0% | New | 1 | SEC ↗ |
| 50 | Goldman Sachs Group ✦ | 2.02M | +7.5% | $106.05M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 51 | Goldman Sachs Group ✦ | 2.02M | +7.5% | $106.05M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 52 | Goldman Sachs Group ✦ | 2.02M | +7.5% | $106.05M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 53 | Goldman Sachs Group ✦ | 2.02M | +7.5% | $106.05M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 54 | Northern Trust Corp | 1.83M | +7.9% | $95.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 55 | Northern Trust Corp | 1.83M | +7.9% | $95.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | Northern Trust Corp | 1.83M | +7.9% | $95.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Northern Trust Corp | 1.83M | +7.9% | $95.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | Northern Trust Corp | 1.83M | +7.9% | $95.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | Northern Trust Corp | 1.83M | +7.9% | $95.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | Morgan Stanley ✦ | 1.75M | +0.9% | $91.79M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 61 | Morgan Stanley ✦ | 1.75M | +0.9% | $91.79M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 62 | Morgan Stanley ✦ | 1.75M | +0.9% | $91.79M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 63 | Morgan Stanley ✦ | 1.75M | +0.9% | $91.79M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 64 | Morgan Stanley ✦ | 1.75M | +0.9% | $91.79M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 65 | Morgan Stanley ✦ | 1.75M | +0.9% | $91.79M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 66 | Morgan Stanley ✦ | 1.75M | +0.9% | $91.79M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 67 | Morgan Stanley ✦ | 1.75M | +0.9% | $91.79M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 68 | Morgan Stanley ✦ | 1.75M | +0.9% | $91.79M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 69 | Citadel Advisors ✦ | 1.65M | -26.6% | $86.20M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 70 | Citadel Advisors ✦ | 1.65M | -26.6% | $86.20M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 71 | Loomis Sayles & Co L P | 1.59M | -11.2% | $83.07M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 72 | Loomis Sayles & Co L P | 1.59M | -11.2% | $83.07M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 73 | Adage Capital Partners ✦ | 1.37M | New | $71.68M | 0.1% | New | 1 | SEC ↗ |
| 74 | D. E. Shaw & Co. ✦ | 1.31M | +84.7% | $68.74M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 75 | D. E. Shaw & Co. ✦ | 1.31M | +84.7% | $68.74M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 76 | Franklin Resources Inc | 1.17M | +541.1% | $61.31M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | Franklin Resources Inc | 1.17M | +541.1% | $61.31M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Franklin Resources Inc | 1.17M | +541.1% | $61.31M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Franklin Resources Inc | 1.17M | +541.1% | $61.31M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | Franklin Resources Inc | 1.17M | +541.1% | $61.31M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Franklin Resources Inc | 1.17M | +541.1% | $61.31M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | BNP Paribas Asset Management… | 1.16M | +383.7% | $60.74M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 83 | BNP Paribas Asset Management… | 1.16M | +383.7% | $60.74M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 84 | BNP Paribas Asset Management… | 1.16M | +383.7% | $60.74M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 85 | Fidelity (FMR) ✦ | 1.13M | -14.3% | $59.44M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 86 | Fidelity (FMR) ✦ | 1.13M | -14.3% | $59.44M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 87 | Fidelity (FMR) ✦ | 1.13M | -14.3% | $59.44M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 88 | Fidelity (FMR) ✦ | 1.13M | -14.3% | $59.44M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 89 | Bank of New York Mellon Corp | 1.10M | +5.9% | $57.49M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Bank of New York Mellon Corp | 1.10M | +5.9% | $57.49M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | Bank of New York Mellon Corp | 1.10M | +5.9% | $57.49M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | Bank of New York Mellon Corp | 1.10M | +5.9% | $57.49M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 93 | Bank of New York Mellon Corp | 1.10M | +5.9% | $57.49M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | Bank of New York Mellon Corp | 1.10M | +5.9% | $57.49M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 95 | Bank of New York Mellon Corp | 1.10M | +5.9% | $57.49M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 96 | Bank of New York Mellon Corp | 1.10M | +5.9% | $57.49M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 97 | Bank of New York Mellon Corp | 1.10M | +5.9% | $57.49M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 98 | Bank of New York Mellon Corp | 1.10M | +5.9% | $57.49M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 99 | Bank of New York Mellon Corp | 1.10M | +5.9% | $57.49M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 100 | Two Sigma Investments ✦ | 1.04M | +33.0% | $54.40M | 0.0% | ▲ Add | 9 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $113.01M | 0.0% |
| Adage Capital Partners | $71.68M | 0.1% |
Exited
| Assenagon Asset Management… | $4.32M | was 0.0% |
| Bridgewater Associates | $2.96M | was 0.0% |
| Hrt Financial Lp | $2.90M | was 0.0% |
| Schroder Investment… | $2.03M | was 0.0% |
| Tidal Investments LLC | $1.46M | was 0.0% |
| DZ BANK AG Deutsche Zentral… | $1.34M | was 0.0% |
| Aviva Plc | $542,917 | was 0.0% |
| Sumitomo Mitsui Trust Group… | $491,504 | was 0.0% |
| Daiwa Securities Group Inc. | $473,824 | was 0.0% |
| Walleye Trading LLC | $120,047 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 384 holders, 171.47M shares, $5.79B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 17
Nichols Christian Todd
Officer · 6.91K sh · $339,967
Aug 17
Nichols Christian Todd
Officer · 664 sh · $32,969
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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