Parallax Volatility Advisers, L.P.
Position in MIR — Mirion Technologies, Inc.
CIK 1521001
San Francisco, CA
Position in MIR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$681,662
+$681,662 QoQ
Shares Held
38,018
Ownership
0.015%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#189
of 346 holders
Holding Since
Mar 2021
5 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 Jun 30, 2026CallValue
$14,344,000
CallShares
800,000
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, 2026Parallax Volatility Advisers, L.P. holds $3,027,888 across 6 Specialty Industrial Machinery names. MIR ranks #2 (22.5% of the industry book) .
All Filings in MIR
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $14,344,000 | 800,000 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $681,662 | 38,018 | Shares | Sole | 2026-08-14 | |
| 2025-09-30 | $665,236 | 28,600 | Call | Sole | 2025-11-14 | |
| 2024-12-31 | $2,094 | 120 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $2,011,985 | 115,300 | Call | Sole | 2025-02-14 | |
| 2023-12-31 | $1,537,500 | 150,000 | Call | Sole | 2024-02-14 | |
| 2021-03-31 GSAH | — | 403,200 | Call | Sole | 2021-05-14 | |
| No filing history on record for this holder in this stock. | ||||||