Alkermes plc. (ALKS) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

168,510,000Shares Outstanding
174,449,878Shares held by institutions
$7,404,525,072Value of institutional holdings
103.52%Institutional ownership %
17.51%Shares Changed QoQ
378No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Alkermes plc. (NASDAQ:ALKS) has 355 institutional investors that have filed 13F reports for the period ending December 2025.

377 Institutional Holders

174,449,878 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
BlackRock, Inc. 31 Mar, 2026 28,314,410 41,998 0.15% $1,001,197,538.00
BAKER BROS. ADVISORS LP 31 Mar, 2026 10,012,267 0 0.00% $354,033,761.00
VANGUARD PORTFOLIO MANAGEMENT LLC 31 Mar, 2026 9,511,112 9,511,112 0.00% $336,312,920.00
State Street Corp 31 Mar, 2026 9,465,286 -7,572 -0.08% $334,692,513.00
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 7,427,397 7,427,397 0.00% $262,632,758.00
RENAISSANCE TECHNOLOGIES LLC 31 Mar, 2026 6,160,428 -507,600 -7.61% $217,832,734.00
AMERICAN CENTURY COMPANIES INC 31 Mar, 2026 6,072,103 115,279 1.94% $214,709,656.00
PRICE T ROWE ASSOCIATES INC /MD/ 31 Mar, 2026 4,664,576 4,664,576 0.00% $164,940.00
DIMENSIONAL FUND ADVISORS LP 31 Mar, 2026 4,522,378 109,595 2.48% $159,850,354.00
Commodore Capital LP 31 Mar, 2026 4,200,000 650,000 18.31% $148,512,000.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 4,182,267 101,491 2.49% $147,910,817.00
Jpmorgan Chase & Co 31 Mar, 2026 4,101,789 -1,082,758 -20.88% $123,668,951.00
Deep Track Capital, LP 31 Mar, 2026 3,590,323 1,590,323 79.52% $126,953,821.00
WELLINGTON MANAGEMENT GROUP LLP 31 Mar, 2026 2,970,166 -50,276 -1.66% $105,025,069.00
FIRST TRUST ADVISORS LP 31 Mar, 2026 2,968,785 1,514,783 104.18% $104,976,237.00
PRIMECAP MANAGEMENT CO/CA/ 31 Mar, 2026 2,539,990 -24,310 -0.95% $89,814,046.00
Nuveen, LLC 31 Mar, 2026 2,460,569 33,541 1.38% $87,005,720.00
Holocene Advisors, LP 31 Mar, 2026 2,317,326 2,317,326 0.00% $81,940,647.00
CITADEL ADVISORS LLC 31 Mar, 2026 2,241,584 1,043,316 87.07% $79,262,410.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 31 Mar, 2026 2,236,756 84,000 3.90% $79,091,692.00