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Of the 13 tracked institutions holding MIR, 7 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +3.7pt. It's a gauge of who owns the name, not just how many.
Among the 13 tracked institutional investors we monitor, MIR (MIRION TECHNOLOGIES INC) is held with a combined value of $2.02B across 103,279,070 shares. The largest holder is VANGUARD GROUP INC with a position worth $710.71M (0.01% of their portfolio). 8 funds increased their holdings. 4 funds reduced their position.
Total Institutional Value
$2.02B
Total Shares Held
103,279,070
Institutional Holders
13
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $710.71M | 0.01% | -0.2% |
| 2 | BlackRock, Inc. | $686.04M | 0.01% | +1.1% |
| 3 | STATE STREET CORP | $177.93M | 0.01% | +5.2% |
| 4 | COOPERMAN LEON G | $150.32M | 4.24% | - |
| 5 | FMR LLC | $131.42M | 0.01% | +11.9% |
| 6 | MAVERICK CAPITAL LTD | $94.04M | 0.85% | +97.9% |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | $19.70M | 0.00% | +31.2% |
| 8 | MILLENNIUM MANAGEMENT LLC | $17.78M | 0.01% | -81.7% |
| 9 | Point72 Asset Management, L.P. | $12.15M | 0.02% | +288.8% |
| 10 | PRICE T ROWE ASSOCIATES INC /MD/ | $7.55M | 0.00% | +10.0% |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of MIR with a position worth $710.71M, representing 0.01% of their portfolio. In total, 13 institutional investors hold MIR with a combined value of $2.02B.
Institutional investors hold $2.02B worth of MIR stock across 13 positions. The largest institutional holder is VANGUARD GROUP INC with $710.71M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For MIR, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their MIR positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$14.60
2026-10-02
YTD
-38.7%
3% of 52-week range
