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First National Advisers’s Mirion Technologies MIR Stock Holding History

First National Advisers’s Portfolio MIR Stock Details MIR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$215K Sell
11,992
-92,687
-89% -$1.72M 0.03% 246
2026
Q1 		$1.95M Sell
104,679
-6,520
-6% -$147K 0.28% 90
2025
Q4 		$2.6M Buy
+111,199
New +$2.77M 0.36% 76

Other funds holding MIR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return
CLG
Cooperman Leon G $3.55B AUM 41.85% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
CAM
Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return

First National Advisers's MIR Position: Q2 2026 in Review

First National Advisers reduced its Mirion Technologies (MIR) stake by 89% in Q2 2026, selling an estimated $1.72M and leaving 11,992 shares worth $215K. The position accounts for 0.03% of the portfolio, ranked #246.

First National Advisers first reported a position in MIR in Q4 2025 and has held it in 3 quarters since. The position peaked at $2.6M in Q4 2025. 351 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

  • First National Advisers held 11,992 shares of Mirion Technologies worth $215K as of Q2 2026.
  • First National Advisers sold 92,687 Mirion Technologies shares in Q2 2026, an estimated $1.72M.
  • Mirion Technologies made up 0.03% of First National Advisers's portfolio in Q2 2026, its #246 holding.
  • First National Advisers first reported a position in Mirion Technologies in Q4 2025 and has held it in 3 quarters since.
  • First National Advisers's Mirion Technologies position peaked at $2.6M in Q4 2025.
  • 351 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on First National Advisers's 13F filing for Q2 2026, filed 21 Jul 2026.