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Alyeska Investment Group, L.P.

Position in MIR — Mirion Technologies, Inc.

CIK 1453072 CHICAGO, IL

Position in MIR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$170,961,743
+$120,739,371 QoQ
Shares Held
9,534,955
+252.9% QoQ
Ownership
3.83%
of shares outstanding
% of Portfolio
0.48%
of 13F equity value
Holder Rank
#7
of 346 holders
Holding Since
Sep 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MIR Over Time

Shares Held

Position Value (USD)

Derivatives in MIR

reported options exposure · as of Mar 31, 2024
CallValue
$10,233,000
CallShares
900,000
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Specialty Industrial Machinery

Industrials · as of Jun 30, 2026

Alyeska Investment Group, L.P. holds $868,573,603 across 12 Specialty Industrial Machinery names. MIR ranks #2 (19.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MIR
Mirion Technologies, Inc.
This page
9,534,955 $170,961,743

All Filings in MIR

Export CSV
24 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $170,961,743 9,534,955
2026-03-31 $50,222,372 2,701,580
2025-12-31 $35,861,102 1,531,217
2025-09-30 $72,751,348 3,127,745
2025-06-30 $95,740,745 4,446,853
2025-03-31 $60,178,799 4,150,262
2024-12-31 $65,634,946 3,761,315
2024-09-30 $86,552,189 7,818,626
2024-06-30 $74,911,865 6,975,034
2024-03-31 $10,233,000 900,000
2024-03-31 $78,723,594 6,923,799
2023-12-31 $52,868,229 5,157,876
2023-12-31 $10,250,000 1,000,000
2023-09-30 $46,859,967 6,273,088
2023-09-30 $7,470,000 1,000,000
2023-06-30 $8,450,000 1,000,000
2023-06-30 $32,697,215 3,869,493
2023-03-31 $8,540,000 1,000,000
2023-03-31 $42,902,380 5,023,698
2022-12-31 $51,214,511 7,748,035
2022-09-30 $94,857,780 12,698,498
2022-06-30 $78,475,127 13,624,154
2022-03-31 $113,703,176 14,089,613
2021-12-31 $142,323,452 13,593,453