Security record · archived quarter
ALKS
Alkermes plc · Healthcare · Drug Manufacturers - Specialty & Generic
122Tracked holders
-3Δ holders
122.08MShares held
$4.29BReported value
+3New positions
−7Exits
Momentum inputs (comparable managers):
holder breadth -2.4% ·
share flow -6.4% ·
net new positions -3.3%
· formula
Broad distribution: falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 8.96K | $359,305 | n/a | −2 |
| 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 · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 28.31M | +0.1% | $1.00B | 0.0% | ▲ Add | 4 | SEC ↗ ×20 |
| 2 | State Street Global Advisors ✦ (passive) | 9.47M | -0.1% | $334.69M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 3 | Vanguard Capital Management Llc | 7.43M | n/a | $262.63M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Renaissance Technologies ✦ | 6.16M | -7.6% | $217.83M | 0.3% | ▼ Trim | 8 | SEC ↗ |
| 5 | American Century Companies Inc | 6.07M | +1.9% | $214.71M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 4.66M | -48.2% | $164.94M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 7 | Dimensional Fund Advisors Lp | 4.52M | +2.5% | $159.85M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 8 | Geode Capital Management ✦ (passive) | 4.18M | +2.5% | $147.91M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 9 | JPMorgan Chase ✦ | 4.10M | -20.9% | $123.67M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 10 | Wellington Management ✦ | 2.97M | -1.7% | $105.03M | 0.0% | ▼ Trim | 8 | SEC ↗ ×6 |
| 11 | First Trust Advisors Lp | 2.97M | +104.2% | $104.98M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 12 | PRIMECAP Management ✦ | 2.54M | -0.9% | $89.81M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 13 | Nuveen, LLC | 2.46M | +1.4% | $87.01M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 14 | Holocene Advisors, LP | 2.32M | New | $81.94M | 0.2% | New | 1 | SEC ↗ |
| 15 | Citadel Advisors ✦ | 2.24M | +87.1% | $79.26M | 0.1% | ▲ Add | 8 | SEC ↗ ×2 |
| 16 | Charles Schwab Investment… | 2.24M | +3.9% | $79.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | Goldman Sachs Group ✦ | 1.88M | -17.0% | $66.55M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 18 | Loomis Sayles & Co L P | 1.78M | -6.2% | $63.10M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 19 | Morgan Stanley ✦ | 1.74M | -8.1% | $61.39M | 0.0% | ▼ Trim | 3 | SEC ↗ ×9 |
| 20 | Northern Trust Corp | 1.70M | +2.6% | $60.01M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 21 | Fidelity (FMR) ✦ | 1.32M | -2.3% | $46.81M | 0.0% | ▼ Trim | 4 | SEC ↗ ×4 |
| 22 | Bank Of America Corp /De/ | 1.21M | -9.2% | $42.82M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 23 | Artisan Partners Limited Partnership | 1.11M | -17.6% | $39.31M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 24 | Bank of New York Mellon Corp | 1.04M | -3.5% | $36.65M | 0.0% | ▼ Trim | 2 | SEC ↗ ×9 |
| 25 | Marshall Wace ✦ | 999.32K | +669.3% | $35.34M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 26 | Principal Financial Group Inc | 958.02K | +1.1% | $33.88M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 27 | Pictet Asset Management Holding SA | 942.18K | -36.2% | $30.17M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 28 | Two Sigma Investments ✦ | 780.68K | -35.7% | $27.60M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 29 | Ameriprise Financial Inc | 741.14K | +39.5% | $26.21M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 30 | D. E. Shaw & Co. ✦ | 710.30K | -22.1% | $25.12M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 31 | Pacer Advisors, Inc. | 688.56K | +2.0% | $24.35M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 32 | Man Group plc | 625.05K | +100.0% | $22.10M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 33 | Balyasny Asset Management L.P. | 586.77K | -13.7% | $20.75M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 34 | Bnp Paribas Financial Markets | 527.97K | +22.7% | $18.67M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 35 | Invesco Ltd. | 524.27K | -2.7% | $18.54M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 36 | UBS Group AG | 495.02K | -80.5% | $17.50M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 37 | Rhumbline Advisers | 449.53K | +2.4% | $15.90M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | UBS AM, a distinct business unit of… | 403.15K | +2.1% | $14.26M | 0.0% | ▲ Add | 2 | SEC ↗ ×9 |
| 39 | Fisher Asset Management ✦ | 390.48K | 0.0% | $13.81M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 40 | AQR Capital Management ✦ | 383.98K | -25.3% | $13.58M | 0.0% | ▼ Trim | 8 | SEC ↗ ×6 |
| 41 | Legal & General Group Plc | 380.72K | -11.4% | $13.46M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 42 | Nomura Asset Management… | 340.00K | -5.9% | $12.02M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 43 | California Public Employees… | 328.20K | +1.1% | $11.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Swiss National Bank | 310.30K | +0.4% | $10.97M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Victory Capital Management Inc | 308.93K | -23.3% | $10.92M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 46 | Royal Bank Of Canada | 304.34K | -6.5% | $10.76M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 47 | Raymond James Financial Inc | 317.43K | -3.3% | $9.98M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 48 | Squarepoint Ops LLC | 277.62K | -74.7% | $9.82M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 49 | Mackenzie Financial Corp | 249.18K | +161.1% | $8.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | BNP Paribas Asset Management… | 239.67K | -0.6% | $8.47M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 51 | Robeco Institutional Asset… | 220.52K | -22.8% | $7.80M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 52 | Alliancebernstein L.P. | 260.94K | +20.9% | $7.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | Neuberger Berman Group LLC | 197.22K | +29.1% | $6.97M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 54 | California State Teachers… | 183.79K | +23.5% | $6.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 55 | Franklin Resources Inc | 182.53K | -5.3% | $6.45M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 56 | Universal- Beteiligungs- und… | 178.46K | -8.3% | $6.31M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 57 | Barclays Plc | 174.98K | -69.0% | $6.19M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 58 | Janus Henderson Group Plc | 154.02K | +5.6% | $5.45M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 59 | Sei Investments Co | 153.82K | -19.4% | $5.44M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 60 | Deutsche Bank Ag\ | 149.73K | +11.4% | $5.29M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 61 | State Of Wisconsin Investment Board | 139.33K | +49.5% | $4.93M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | New York State Common Retirement… | 137.62K | -7.8% | $4.87M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 63 | Prudential Financial Inc | 131.87K | -32.2% | $4.66M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 64 | State Board Of Administration Of… | 129.44K | -1.7% | $4.58M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Assenagon Asset Management S.A. | 122.13K | +10.7% | $4.32M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 66 | Wells Fargo & Company/Mn | 117.93K | -49.4% | $4.17M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 67 | Russell Investments Group, Ltd. | 98.72K | -37.3% | $3.47M | 0.0% | ▼ Trim | 2 | SEC ↗ ×9 |
| 68 | Voya Investment Management Llc | 93.13K | -81.4% | $3.29M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 69 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 87.62K | +0.4% | $3.04M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 70 | Bridgewater Associates ✦ | 83.81K | -75.7% | $2.96M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 71 | Hrt Financial Lp | 81.99K | -59.0% | $2.90M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Allianz Asset Management GmbH | 80.36K | -76.9% | $2.84M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 73 | Focus Partners Wealth | 77.05K | -37.9% | $2.72M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Creative Planning | 75.02K | +23.4% | $2.65M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | Manufacturers Life Insurance… | 71.42K | -37.2% | $2.53M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | Zurcher Kantonalbank (Zurich… | 66.81K | +36.4% | $2.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | Amundi | 64.71K | +99.8% | $2.29M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 78 | Schroder Investment Management Group | 67.46K | n/a | $2.03M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 79 | Susquehanna International Group, Llp | 56.80K | +281.9% | $2.01M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Hsbc Holdings Plc | 48.34K | -43.5% | $1.73M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 81 | Canada Pension Plan Investment Board | 48.50K | -84.4% | $1.71M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 82 | Citigroup Inc | 47.45K | -35.3% | $1.68M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 83 | Quantinno Capital Management LP | 44.93K | +131.1% | $1.59M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Envestnet Asset Management Inc | 42.42K | +5.2% | $1.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | Gotham Asset Management ✦ | 41.55K | -33.5% | $1.47M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 86 | Tidal Investments LLC | 41.34K | +5.9% | $1.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 87 | LPL Financial LLC | 39.45K | -10.8% | $1.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 88 | DZ BANK AG Deutsche Zentral… | 37.96K | +86.4% | $1.34M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | ProShare Advisors LLC | 32.73K | -15.8% | $1.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 90 | Cerity Partners LLC | 31.84K | -1.5% | $1.13M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 91 | Federated Hermes, Inc. | 29.46K | +11.0% | $1.04M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 92 | Allspring Global Investments… | 24.61K | +11.5% | $862,580 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 93 | Captrust Financial Advisors | 15.79K | -57.0% | $558,248 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 94 | Aviva Plc | 15.35K | -9.4% | $542,917 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 95 | Cetera Investment Advisers | 14.76K | -22.0% | $521,843 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 96 | Bank Of Montreal /Can/ | 14.76K | +2.8% | $521,772 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 97 | Sumitomo Mitsui Trust Group, Inc. | 13.90K | +4.0% | $491,504 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 98 | Daiwa Securities Group Inc. | 13.40K | +14.0% | $473,824 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 99 | Simplex Trading, Llc | 13.14K | New | $464,559 | 0.0% | New | 1 | SEC ↗ |
| 100 | Corient Private Wealth LP | 11.55K | -73.7% | $408,268 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Holocene Advisors, LP | $81.94M | 0.2% |
| Simplex Trading, Llc | $464,559 | 0.0% |
Exited
| Norges Bank | $54.44M | was 0.0% |
| Arrowstreet Capital | $40.59M | was 0.0% |
| Qube Research & Technologies… | $7.74M | was 0.0% |
| Tudor Investment Corp Et Al | $2.31M | was 0.0% |
| Millennium Management | $1.53M | was 0.0% |
| Td Asset Management Inc | $1.29M | was 0.0% |
| Group One Trading Llc | $263,739 | 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: Q1 2026 ·
Methodology ·
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