Security record · archived quarter
ALKS
Alkermes plc · Healthcare · Drug Manufacturers - Specialty & Generic
124Tracked holders
+2Δ holders
142.93MShares held
$4.00BReported value
+3New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +1.6% ·
share flow +2.1% ·
net new positions +2.4%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 8.96K | $359,305 | n/a | −1 |
| 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 | n/a |
| Q3 2025 | 20 | -1 | 95.12M | $2.85B | n/a | −2 |
| Q2 2025 | 19 | +2 | 84.64M | $2.42B | +2 | n/a |
| Q1 2025 | 14 | 0 | 39.73M | $1.31B | n/a | n/a |
| Q4 2024 | 14 | 0 | 45.20M | $1.30B | n/a | n/a |
| Q3 2024 | 13 | +2 | 43.42M | $1.22B | +2 | n/a |
| Q2 2024 | 11 | n/a | 42.07M | $1.01B | n/a | n/a |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 28.27M | +1.1% | $791.06M | 0.0% | ▲ Add | 3 | SEC ↗ ×20 |
| 2 | The Vanguard Group ✦ (passive) | 18.01M | -0.9% | $503.85M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (passive) | 9.47M | +10.9% | $265.05M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | T. Rowe Price ✦ | 9.00M | -12.1% | $251.79M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 5 | Renaissance Technologies ✦ | 6.67M | +6.0% | $186.57M | 0.3% | ▲ Add | 7 | SEC ↗ |
| 6 | American Century Companies Inc | 5.96M | n/a | $166.67M | 0.1% | n/c | 1 | SEC ↗ |
| 7 | JPMorgan Chase ✦ | 5.18M | -34.0% | $145.06M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 8 | Dimensional Fund Advisors Lp | 4.41M | n/a | $123.47M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 9 | Geode Capital Management ✦ (passive) | 4.08M | +0.5% | $114.20M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 10 | Wellington Management ✦ | 3.02M | +705.0% | $84.51M | 0.0% | ▲ Add | 7 | SEC ↗ ×7 |
| 11 | PRIMECAP Management ✦ | 2.56M | -7.1% | $71.75M | 0.1% | ▼ Trim | 7 | SEC ↗ |
| 12 | UBS Group AG | 2.54M | n/a | $71.21M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 13 | Nuveen, LLC | 2.43M | n/a | $67.91M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 14 | Goldman Sachs Group ✦ | 2.27M | +13.7% | $63.45M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 15 | Charles Schwab Investment… | 2.15M | n/a | $60.23M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Norges Bank ✦ (passive) | 1.95M | New | $54.44M | 0.0% | New | 1 | SEC ↗ |
| 17 | Loomis Sayles & Co L P | 1.90M | n/a | $53.23M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 18 | Morgan Stanley ✦ | 1.89M | +21.7% | $52.84M | 0.0% | ▲ Add | 2 | SEC ↗ ×10 |
| 19 | Northern Trust Corp | 1.65M | n/a | $46.26M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 20 | Pictet Asset Management Holding SA | 1.48M | n/a | $41.34M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | First Trust Advisors Lp | 1.45M | n/a | $40.68M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | Arrowstreet Capital ✦ | 1.45M | +20.0% | $40.59M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 23 | Fidelity (FMR) ✦ | 1.36M | +4.6% | $37.92M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 24 | Artisan Partners Limited Partnership | 1.35M | n/a | $37.75M | 0.1% | n/c | 1 | SEC ↗ |
| 25 | Bank Of America Corp /De/ | 1.33M | n/a | $37.30M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 26 | Two Sigma Investments ✦ | 1.21M | +84.8% | $33.95M | 0.1% | ▲ Add | 7 | SEC ↗ |
| 27 | Citadel Advisors ✦ | 1.20M | +70.0% | $33.53M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 28 | Squarepoint Ops LLC | 1.10M | n/a | $30.66M | 0.1% | n/c | 1 | SEC ↗ |
| 29 | Bank of New York Mellon Corp | 1.07M | n/a | $30.05M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 30 | Principal Financial Group Inc | 947.62K | n/a | $26.51M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 31 | D. E. Shaw & Co. ✦ | 911.27K | +72.3% | $25.50M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 32 | Balyasny Asset Management L.P. | 679.63K | n/a | $19.02M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Pacer Advisors, Inc. | 674.87K | n/a | $18.88M | 0.1% | n/c | 1 | SEC ↗ |
| 34 | Barclays Plc | 565.03K | n/a | $15.81M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 35 | Invesco Ltd. | 538.72K | n/a | $15.07M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 36 | Ameriprise Financial Inc | 531.36K | n/a | $14.87M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 37 | AQR Capital Management ✦ | 514.32K | +38.1% | $14.39M | 0.0% | ▲ Add | 7 | SEC ↗ ×6 |
| 38 | Voya Investment Management Llc | 501.81K | n/a | $14.04M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 39 | Rhumbline Advisers | 439.19K | n/a | $12.29M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Bnp Paribas Financial Markets | 430.33K | n/a | $12.04M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Legal & General Group Plc | 429.50K | n/a | $12.02M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 42 | Victory Capital Management Inc | 402.58K | n/a | $11.26M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | UBS AM, a distinct business unit of… | 394.85K | n/a | $11.05M | 0.0% | n/c | 1 | SEC ↗ ×9 |
| 44 | Fisher Asset Management ✦ | 390.49K | +21.0% | $10.93M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 45 | Nomura Asset Management… | 361.39K | n/a | $10.11M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Allianz Asset Management GmbH | 347.31K | n/a | $9.72M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 47 | Bridgewater Associates ✦ | 344.45K | New | $9.64M | 0.0% | New | 1 | SEC ↗ |
| 48 | Raymond James Financial Inc | 328.20K | n/a | $9.14M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 49 | Royal Bank Of Canada | 325.50K | n/a | $9.11M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 50 | California Public Employees… | 324.58K | n/a | $9.08M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Man Group plc | 312.51K | n/a | $8.74M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 52 | Canada Pension Plan Investment Board | 310.60K | n/a | $8.69M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Swiss National Bank | 309.20K | n/a | $8.65M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Robeco Institutional Asset… | 285.67K | n/a | $7.99M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Qube Research & Technologies Ltd | 276.56K | n/a | $7.74M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | BNP Paribas Asset Management… | 241.13K | n/a | $6.75M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 57 | Wells Fargo & Company/Mn | 232.99K | n/a | $6.52M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 58 | Alliancebernstein L.P. | 215.85K | n/a | $6.04M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Hrt Financial Lp | 200.22K | n/a | $5.60M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Prudential Financial Inc | 194.50K | n/a | $5.44M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 61 | Universal- Beteiligungs- und… | 194.53K | n/a | $5.44M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Franklin Resources Inc | 192.81K | n/a | $5.39M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 63 | Sei Investments Co | 190.72K | n/a | $5.34M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 64 | Russell Investments Group, Ltd. | 157.36K | n/a | $4.39M | 0.0% | n/c | 1 | SEC ↗ ×11 |
| 65 | Neuberger Berman Group LLC | 152.77K | n/a | $4.27M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 66 | New York State Common Retirement… | 149.28K | n/a | $4.18M | 0.0% | n/c | 1 | SEC ↗ |
| 67 | California State Teachers… | 148.79K | n/a | $4.16M | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Janus Henderson Group Plc | 145.80K | n/a | $4.08M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 69 | Deutsche Bank Ag\ | 134.46K | n/a | $3.76M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 70 | State Board Of Administration Of… | 131.70K | n/a | $3.68M | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Marshall Wace ✦ | 129.90K | New | $3.63M | 0.0% | New | 1 | SEC ↗ ×2 |
| 72 | Focus Partners Wealth | 124.04K | n/a | $3.47M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Manufacturers Life Insurance… | 113.73K | n/a | $3.18M | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Assenagon Asset Management S.A. | 110.28K | n/a | $3.09M | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Mackenzie Financial Corp | 95.45K | n/a | $2.65M | 0.0% | n/c | 1 | SEC ↗ |
| 76 | State Of Wisconsin Investment Board | 93.23K | n/a | $2.61M | 0.0% | n/c | 1 | SEC ↗ |
| 77 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 87.26K | n/a | $2.44M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 78 | Hsbc Holdings Plc | 85.63K | n/a | $2.40M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 79 | Tudor Investment Corp Et Al | 82.72K | n/a | $2.31M | 0.0% | n/c | 1 | SEC ↗ |
| 80 | Citigroup Inc | 73.37K | n/a | $2.05M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 81 | Gotham Asset Management ✦ | 62.47K | -0.8% | $1.75M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 82 | Creative Planning | 60.78K | n/a | $1.70M | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Jane Street Group, Llc | 60.77K | n/a | $1.70M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 84 | Millennium Management ✦ | 54.64K | -62.9% | $1.53M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 85 | Zurcher Kantonalbank (Zurich… | 48.98K | n/a | $1.37M | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Td Asset Management Inc | 46.18K | n/a | $1.29M | 0.0% | n/c | 1 | SEC ↗ |
| 87 | LPL Financial LLC | 44.24K | n/a | $1.24M | 0.0% | n/c | 1 | SEC ↗ |
| 88 | Corient Private Wealth LP | 43.86K | n/a | $1.22M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 89 | Envestnet Asset Management Inc | 40.33K | n/a | $1.13M | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Tidal Investments LLC | 39.05K | n/a | $1.09M | 0.0% | n/c | 1 | SEC ↗ |
| 91 | ProShare Advisors LLC | 38.87K | n/a | $1.09M | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Captrust Financial Advisors | 36.77K | n/a | $1.03M | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Amundi | 32.38K | n/a | $906,076 | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Cerity Partners LLC | 32.33K | n/a | $904,606 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 95 | Federated Hermes, Inc. | 26.55K | n/a | $742,757 | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Ensign Peak Advisors, Inc | 22.83K | n/a | $638,727 | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Allspring Global Investments… | 22.07K | n/a | $623,641 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 98 | DZ BANK AG Deutsche Zentral… | 20.37K | n/a | $569,897 | 0.0% | n/c | 1 | SEC ↗ |
| 99 | Quantinno Capital Management LP | 19.44K | n/a | $543,931 | 0.0% | n/c | 1 | SEC ↗ |
| 100 | Cetera Investment Advisers | 18.92K | n/a | $529,437 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $54.44M | 0.0% |
| Bridgewater Associates | $9.64M | 0.0% |
| Marshall Wace | $3.63M | 0.0% |
Exited
| No tracked exits this quarter. |
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: Q4 2025 ·
Methodology ·
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