Mirion Technologies, Inc. (MIR) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

255,662,000Shares Outstanding
255,792,015Shares held by institutions
$4,320,326,977Value of institutional holdings
100.05%Institutional ownership %
3.86%Shares Changed QoQ
353No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Mirion Technologies, Inc. (NYSE:MIR) showed up in the 13F filings of 353 institutional investors as of December 2025.

353 Institutional Holders

255,792,015 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
BlackRock, Inc. 31 Mar, 2026 37,857,697 -342,271 -0.90% $703,774,594.00
VANGUARD PORTFOLIO MANAGEMENT LLC 31 Mar, 2026 17,905,722 17,905,722 0.00% $332,867,372.00
T. Rowe Price Investment Management, Inc. 31 Mar, 2026 14,627,795 -2,814,062 -16.13% $271,931.00
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 10,505,195 10,505,195 0.00% $195,291,575.00
State Street Corp 31 Mar, 2026 9,430,017 231,222 2.51% $175,304,016.00
COOPERMAN LEON G 31 Mar, 2026 8,383,441 0 0.00% $155,848,168.00
Janus Henderson Group Plc 31 Mar, 2026 8,086,178 3,489,229 75.90% $150,327,446.00
Goldman Sachs Group Inc 31 Mar, 2026 7,349,668 -3,147,344 -29.98% $136,630,327.00
FMR LLC 31 Mar, 2026 6,551,692 -1,862,608 -22.14% $121,795,956.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 5,940,175 153,579 2.65% $110,449,172.00
MILLENNIUM MANAGEMENT LLC 31 Mar, 2026 5,106,801 5,106,801 0.00% $94,935,431.00
DIMENSIONAL FUND ADVISORS LP 31 Mar, 2026 4,694,288 591,730 14.42% $87,240,303.00
Bank of New York Mellon Corp 31 Mar, 2026 4,536,732 1,459,787 47.44% $84,337,841.00
UBS Group AG 31 Mar, 2026 3,766,842 -1,085,745 -22.37% $70,025,592.00
Swedbank AB 31 Mar, 2026 3,159,950 -3,636,450 -53.51% $58,743,471.00
AMERICAN CENTURY COMPANIES INC 31 Mar, 2026 2,732,762 176,038 6.89% $50,802,086.00
Alyeska Investment Group, L.P. 31 Mar, 2026 2,701,580 1,170,363 76.43% $50,222,372.00
LOOMIS SAYLES & CO L P 31 Mar, 2026 2,670,228 -175,391 -6.16% $49,639,539.00
MAVERICK CAPITAL LTD 31 Mar, 2026 2,649,879 2,649,879 0.00% $49,261,251.00
Jpmorgan Chase & Co 31 Mar, 2026 2,619,120 949,056 56.83% $45,363,172.00