Harbour Investments’s Mirion Technologies MIR Stock Holding History

Harbour Investments’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	–	Sell	-486	Closed	-$9.05K	–	4841
2026 Q1	$9.05K	Buy	486 +199	+69%	+$4.49K	﹤0.01%	3315
2025 Q4	$6.72K	Buy	287 +80	+39%	+$2K	﹤0.01%	2906
2025 Q3	$4.82K	Hold	207	–	–	﹤0.01%	3007
2025 Q2	$4.46K	Buy	+207	New	+$3.57K	﹤0.01%	2922
2021 Q3	–	Sell	-10,000	Closed	-$104K	–	3887
2021 Q2	$104K	Hold	10,000	–	–	﹤0.01%	1383
2021 Q1	$104K	Buy	+10,000	New	+$117K	﹤0.01%	1282

Other funds holding MIR

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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 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

Harbour Investments's MIR Position: Q2 2026 in Review

Harbour Investments sold out of Mirion Technologies (MIR) in Q2 2026, closing a stake of 486 shares — an estimated $9.05K sold.

Harbour Investments first reported a position in MIR in Q1 2021 and held it in 6 quarters. The position peaked at $104K in Q2 2021. 351 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

Harbour Investments reported no remaining Mirion Technologies position as of Q2 2026 after selling out during the quarter.
Harbour Investments sold 486 Mirion Technologies shares in Q2 2026, an estimated $9.05K.
Harbour Investments first reported a position in Mirion Technologies in Q1 2021 and held it in 6 quarters.
Harbour Investments's Mirion Technologies position peaked at $104K in Q2 2021.
351 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on Harbour Investments's 13F filing for Q2 2026, filed 12 Aug 2026.