ALKERMES PLC (G01767105) Institutional Shareholders
ALKERMES PLC (G01767105) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $5.82B in G01767105 holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of G01767105 tracked by InsiderSet, reporting ownership valued at approximately $1.00B in its March 31, 2026 SEC Form 13F filing.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed G01767105 value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Baker Bros. Advisors Lp, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in ALKERMES PLC (G01767105).
This page ranks the largest institutional G01767105 shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
392
Total Reported Value
$5.82B
Largest Holder
Blackrock, Inc.
Largest Position
$1.00B
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
77
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.02% | 28,314,410 | $1,001,197,538 | — | — | — | |
| Baker Bros. Advisors Lp | 2.03% | 10,012,267 | $354,033,761 | — | — | — | |
| Vanguard Portfolio Management Llc | 0.02% | 9,511,112 | $336,312,920 | — | — | — | |
| State Street Corp | 0.01% | 9,465,286 | $334,692,513 | — | — | — | |
| Vanguard Capital Management Llc | 0.01% | 7,427,397 | $262,632,758 | — | — | — | |
| Renaissance Technologies LLC | Jim Simons | 0.34% | 6,160,428 | $217,832,734 | — | — | — |
| American Century Companies Inc | 0.11% | 6,072,103 | $214,709,656 | — | — | — | |
| Dimensional Fund Advisors Lp | 0.03% | 4,522,378 | $159,850,354 | — | — | — | |
| Commodore Capital Lp | 8.59% | 4,200,000 | $148,512,000 | — | — | — | |
| Geode Capital Management, Llc | 0.01% | 4,182,267 | $147,910,817 | — | — | — | |
| Deep Track Capital, Lp | 2.62% | 3,590,323 | $126,953,821 | — | — | — | |
| Wellington Management Group Llp | 0.02% | 2,970,166 | $105,025,069 | — | — | — | |
| First Trust Advisors Lp | 0.08% | 2,968,785 | $104,976,237 | — | — | — | |
| Primecap Management Co/Ca/ | 0.07% | 2,539,990 | $89,814,046 | — | — | — | |
| Nuveen, Llc | 0.02% | 2,460,569 | $87,005,720 | — | — | — | |
| Holocene Advisors, Lp | 0.20% | 2,317,326 | $81,940,647 | — | — | — | |
| Citadel Advisors Llc | 0.06% | 2,241,584 | $79,262,410 | — | — | — | |
| Charles Schwab Investment Management Inc | 0.01% | 2,236,756 | $79,091,692 | — | — | — | |
| Bvf Inc/Il | 2.25% | 2,000,000 | $70,720,000 | — | — | — | |
| Soleus Capital Management, L.P. | 2.82% | 1,970,864 | $69,689,751 | — | — | — | |
| Goldman Sachs Group Inc | 0.01% | 1,882,178 | $66,553,814 | — | — | — | |
| Loomis Sayles & Co L P | 0.08% | 1,784,581 | $63,102,785 | — | — | — | |
| Morgan Stanley | 0.00% | 1,736,091 | $61,388,191 | — | — | — | |
| Northern Trust Corp | 0.01% | 1,697,082 | $60,008,821 | — | — | — | |
| Rtw Investments, Lp | 0.59% | 1,672,356 | $59,134,508 | — | — | — | |
| Affinity Asset Advisors, Llc | 2.80% | 1,350,000 | $47,736,000 | — | — | — | |
| Fmr Llc | 0.00% | 1,323,747 | $46,807,685 | — | — | — | |
| Pictet Asset Management Holding Sa | 0.04% | 838,026 | $43,975,787 | — | — | — | |
| Bank Of America Corp | 0.00% | 1,210,851 | $42,815,692 | — | — | — | |
| Avoro Capital Advisors Llc | 0.42% | 1,200,000 | $42,432,000 | — | — | — | |
| Vanguard Fiduciary Trust Co | 0.01% | 1,129,236 | $39,929,785 | — | — | — | |
| Artisan Partners Limited Partnership | 0.06% | 1,111,741 | $39,311,162 | — | — | — | |
| Bank Of New York Mellon Corp | 0.01% | 1,036,460 | $36,649,219 | — | — | — | |
| Marshall Wace, Llp | 0.04% | 999,322 | $35,336,026 | — | — | — | |
| Principal Financial Group Inc | 0.02% | 958,016 | $33,875,444 | — | — | — | |
| Panagora Asset Management Inc | 0.12% | 932,942 | $32,988,829 | — | — | — | |
| Driehaus Capital Management Llc | 0.21% | 791,963 | $28,003,812 | — | — | — | |
| Two Sigma Investments, Lp | 0.02% | 780,683 | $27,604,951 | — | — | — | |
| Ameriprise Financial Inc | 0.01% | 741,141 | $26,206,748 | — | — | — | |
| D. E. Shaw & Co., Inc. | 0.02% | 710,297 | $25,116,102 | — | — | — | |
| Frazier Life Sciences Management, L.P. | 0.64% | 700,647 | $24,774,878 | — | — | — | |
| Public Sector Pension Investment Board | 0.07% | 677,405 | $23,953,041 | — | — | — | |
| Man Group Plc | 0.05% | 625,046 | $22,101,626 | — | — | — | |
| Bain Capital Life Sciences Investors, Llc | 1.95% | 610,000 | $21,569,600 | — | — | — | |
| Balyasny Asset Management L.P. | 0.04% | 586,775 | $20,748,364 | — | — | — | |
| Woodline Partners Lp | 0.07% | 558,567 | $19,750,929 | — | — | — | |
| Bnp Paribas Financial Markets | 0.01% | 527,967 | $18,668,913 | — | — | — | |
| Invesco Ltd. | 0.00% | 524,275 | $18,538,363 | — | — | — | |
| Prosight Management, Lp | 2.98% | 513,632 | $18,162,028 | — | — | — | |
| Storebrand Asset Management As | 0.01% | 845,961 | $18,090,361 | — | — | — |
Frequently asked questions about G01767105
Who owns the most G01767105 stock?
The largest holders of G01767105 are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ALKERMES PLC (G01767105).
Is G01767105 widely held by superinvestors?
Many widely followed stocks like G01767105 appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly G01767105 is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.