Security record
ALKS
Alkermes plc · Healthcare · Drug Manufacturers - Specialty & Generic
119Tracked holders
+1Δ holders
122.91MShares held
$6.44BReported value
+12New positions
−12Exits
Momentum inputs (comparable managers):
holder breadth +0.8% ·
share flow -0.7% ·
net new positions 0.0%
— 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 | 119 | +1 | 122.91M | $6.44B | +12 | −12 |
| 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 ↗ ×20 |
| 2 | State Street Global Advisors ✦ (passive) | 9.16M | -3.2% | $479.97M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 3 | Vanguard Capital Management Llc | 7.52M | +1.2% | $393.75M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | T. Rowe Price ✦ | 6.74M | +44.4% | $353.00M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 5 | Renaissance Technologies ✦ | 6.46M | +4.9% | $338.52M | 0.5% | ▲ Add | 9 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 4.48M | +7.1% | $234.66M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 7 | Dimensional Fund Advisors Lp | 4.19M | -7.2% | $219.79M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 8 | American Century Companies Inc | 3.95M | -34.9% | $207.18M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 9 | Holocene Advisors, LP | 3.60M | +55.4% | $188.70M | 0.4% | ▲ Add | 2 | SEC ↗ |
| 10 | Wellington Management ✦ | 2.81M | -5.2% | $147.48M | 0.0% | ▼ Trim | 9 | SEC ↗ ×7 |
| 11 | PRIMECAP Management ✦ | 2.53M | -0.5% | $132.49M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 12 | First Trust Advisors Lp | 2.42M | -18.4% | $126.85M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 13 | Charles Schwab Investment… | 2.34M | +4.4% | $122.35M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Nuveen, LLC | 2.32M | -5.5% | $121.78M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 15 | Norges Bank ✦ (passive) | 2.16M | New | $113.01M | 0.0% | New | 1 | SEC ↗ |
| 16 | Goldman Sachs Group ✦ | 2.02M | +7.5% | $106.05M | 0.0% | ▲ Add | 4 | SEC ↗ ×4 |
| 17 | Northern Trust Corp | 1.83M | +7.9% | $95.97M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 18 | Morgan Stanley ✦ | 1.75M | +0.9% | $91.79M | 0.0% | ▲ Add | 4 | SEC ↗ ×9 |
| 19 | Citadel Advisors ✦ | 1.65M | -26.6% | $86.20M | 0.1% | ▼ Trim | 9 | SEC ↗ ×2 |
| 20 | Loomis Sayles & Co L P | 1.59M | -11.2% | $83.07M | 0.1% | ▼ Trim | 3 | SEC ↗ ×2 |
| 21 | Adage Capital Partners ✦ | 1.37M | New | $71.68M | 0.1% | New | 1 | SEC ↗ |
| 22 | D. E. Shaw & Co. ✦ | 1.31M | +84.7% | $68.74M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 23 | Franklin Resources Inc | 1.17M | +541.1% | $61.31M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 24 | BNP Paribas Asset Management… | 1.16M | +383.7% | $60.74M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 25 | Fidelity (FMR) ✦ | 1.13M | -14.3% | $59.44M | 0.0% | ▼ Trim | 5 | SEC ↗ ×4 |
| 26 | Bank of New York Mellon Corp | 1.10M | +5.9% | $57.49M | 0.0% | ▲ Add | 3 | SEC ↗ ×11 |
| 27 | Two Sigma Investments ✦ | 1.04M | +33.0% | $54.40M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 28 | Principal Financial Group Inc | 983.82K | +2.7% | $51.55M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 29 | Marshall Wace ✦ | 969.95K | -2.9% | $50.83M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 30 | Bank Of America Corp /De/ | 918.30K | -24.2% | $48.11M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 31 | Victory Capital Management Inc | 916.71K | +196.7% | $48.03M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Pictet Asset Management Holding SA | 838.03K | -11.1% | $43.98M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 33 | Artisan Partners Limited Partnership | 831.01K | -25.2% | $43.54M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 34 | Bnp Paribas Financial Markets | 655.14K | +24.1% | $34.33M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Ameriprise Financial Inc | 630.33K | -14.9% | $33.03M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 36 | Invesco Ltd. | 443.11K | -15.5% | $23.22M | 0.0% | ▼ Trim | 3 | SEC ↗ ×6 |
| 37 | Raymond James Financial Inc | 422.76K | +33.2% | $22.15M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 38 | Fisher Asset Management ✦ | 419.10K | +7.3% | $21.96M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 39 | Legal & General Group Plc | 393.52K | +3.4% | $20.62M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 40 | Rhumbline Advisers | 388.00K | -13.7% | $20.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 41 | California Public Employees… | 347.25K | +5.8% | $18.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | Nomura Asset Management… | 337.04K | -0.9% | $17.66M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Ensign Peak Advisors, Inc | 335.21K | +3498.2% | $17.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 44 | Millennium Management ✦ | 319.60K | New | $16.75M | 0.0% | New | 1 | SEC ↗ |
| 45 | Swiss National Bank | 316.90K | +2.1% | $16.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 46 | UBS Group AG | 300.35K | -39.3% | $15.74M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 47 | JPMorgan Chase ✦ | 262.72K | -93.6% | $14.19M | 0.0% | ▼ Trim | 4 | SEC ↗ ×3 |
| 48 | Neuberger Berman Group LLC | 260.21K | +31.9% | $13.63M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 49 | Russell Investments Group, Ltd. | 222.62K | +125.5% | $11.66M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 50 | Federated Hermes, Inc. | 221.59K | +652.2% | $11.61M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 51 | Barclays Plc | 219.94K | +25.7% | $11.52M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 52 | AQR Capital Management ✦ | 212.97K | -44.5% | $11.16M | 0.0% | ▼ Trim | 9 | SEC ↗ ×6 |
| 53 | Wells Fargo & Company/Mn | 199.43K | +69.1% | $10.45M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 54 | Aberdeen Group plc | 193.81K | New | $10.15M | 0.0% | New | 1 | SEC ↗ |
| 55 | Deutsche Bank Ag\ | 191.32K | +27.8% | $10.02M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 56 | Citigroup Inc | 184.90K | +289.7% | $9.69M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 57 | Alliancebernstein L.P. | 217.92K | -16.5% | $7.71M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 58 | Balyasny Asset Management L.P. | 142.37K | -75.7% | $7.46M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 59 | Sei Investments Co | 141.36K | -8.1% | $7.41M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 60 | Creative Planning | 135.16K | +80.2% | $7.08M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 61 | New York State Common Retirement… | 132.02K | -4.1% | $6.92M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 62 | Man Group plc | 124.04K | -80.2% | $6.50M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 63 | Manufacturers Life Insurance… | 120.56K | +68.8% | $6.32M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | Universal- Beteiligungs- und… | 119.00K | -33.3% | $6.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 65 | Voya Investment Management Llc | 119.00K | +27.8% | $6.23M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 66 | Td Asset Management Inc | 118.43K | New | $6.21M | 0.0% | New | 1 | SEC ↗ |
| 67 | Squarepoint Ops LLC | 115.19K | -58.5% | $6.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 68 | State Board Of Administration Of… | 112.66K | -13.0% | $5.90M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 69 | State Of Wisconsin Investment Board | 97.63K | -29.9% | $5.12M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 70 | Robeco Institutional Asset… | 92.59K | -58.0% | $4.85M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 71 | Allianz Asset Management GmbH | 91.71K | +14.1% | $4.81M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 72 | Prudential Financial Inc | 87.36K | -33.8% | $4.58M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 73 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 84.56K | -3.5% | $4.43M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 74 | Zurcher Kantonalbank (Zurich… | 61.58K | -7.8% | $3.23M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 75 | Baird Financial Group, Inc. | 53.27K | New | $2.79M | 0.0% | New | 1 | SEC ↗ ×2 |
| 76 | Susquehanna International Group, Llp | 52.45K | -7.7% | $2.75M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 77 | Envestnet Asset Management Inc | 52.19K | +23.1% | $2.73M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Quantinno Capital Management LP | 49.21K | +9.5% | $2.58M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Canada Pension Plan Investment Board | 48.50K | 0.0% | $2.54M | 0.0% | Held | 3 | SEC ↗ |
| 80 | LPL Financial LLC | 43.05K | +9.1% | $2.26M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Captrust Financial Advisors | 42.28K | +167.7% | $2.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | Focus Partners Wealth | 41.60K | -46.0% | $2.18M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 83 | Simplex Trading, Llc | 36.19K | +175.4% | $1.90M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Cetera Investment Advisers | 35.49K | +140.5% | $1.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | Cerity Partners LLC | 32.01K | +0.5% | $1.68M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 86 | ProShare Advisors LLC | 29.37K | -10.2% | $1.54M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 87 | Hsbc Holdings Plc | 28.20K | -41.7% | $1.48M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 88 | Royal Bank Of Canada | 26.56K | -91.3% | $1.39M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 89 | Tudor Investment Corp Et Al | 25.89K | New | $1.36M | 0.0% | New | 1 | SEC ↗ |
| 90 | Allspring Global Investments… | 25.49K | +3.6% | $1.32M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 91 | Mitsubishi UFJ Asset Management… | 20.59K | +2229.0% | $1.08M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | IMC-Chicago, LLC | 20.38K | +196.3% | $1.07M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 93 | Bank Of Montreal /Can/ | 15.78K | +6.9% | $826,689 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 94 | Pnc Financial Services Group, Inc. | 13.46K | +18.9% | $705,026 | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 95 | Gotham Asset Management ✦ | 11.16K | -73.2% | $584,571 | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 96 | Jane Street Group, Llc | 9.99K | +75.3% | $523,426 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 97 | Mercer Global Advisors Inc /Adv | 9.57K | +7.1% | $501,279 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 98 | Pacer Advisors, Inc. | 9.52K | -98.6% | $499,000 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 99 | CIBC Bancorp USA Inc. | 9.38K | +13.8% | $491,517 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 100 | Corient Private Wealth LP | 9.26K | -19.8% | $485,284 | 0.0% | ▼ Trim | 3 | 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% |
| Millennium Management | $16.75M | 0.0% |
| Aberdeen Group plc | $10.15M | 0.0% |
| Td Asset Management Inc | $6.21M | 0.0% |
| Baird Financial Group, Inc. | $2.79M | 0.0% |
| Tudor Investment Corp Et Al | $1.36M | 0.0% |
Exited
| Assenagon Asset Management… | $4.32M | was 0.0% |
| Bridgewater Associates | $2.96M | was 0.0% |
| Hrt Financial Lp | $2.90M | was 0.0% |
| Amundi | $2.29M | 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% |
| HighTower Advisors, LLC | $303,283 | 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)
Oct 02
Gaffin David Joseph
Officer · 2.03K sh · $83,455
Sep 03
Gaffin David Joseph
Officer · 2.03K sh · $97,652
Sep 01
Hopkinson Craig C.
Officer · 9.00K sh · $422,874
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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