Position in COHR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$456,007
+$6,029 QoQ
Shares Held
1,156
-38.8% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#858
of 1,295 holders
Holding Since
Jun 2025
4 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in COHR Over Time
Shares Held
Position Value (USD)
Derivatives in COHR
reported options exposure · as of Jun 30, 2026CallValue
$7,692,165
CallShares
19,500
PutValue
$3,944,700
PutShares
10,000
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 Scientific & Technical Instruments
Technology · as of Jun 30, 2026SIG BROKERAGE, LP holds $1,387,003 across 3 Scientific & Technical Instruments names. COHR ranks #2 (32.9% of the industry book) .
All Filings in COHR
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8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,944,700 | 10,000 | Put | Sole | 2026-08-14 | |
| 2026-06-30 | $7,692,165 | 19,500 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $456,007 | 1,156 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $833,735 | 3,500 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $449,978 | 1,889 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $1,357,797 | 5,700 | Call | Sole | 2026-05-15 | |
| 2025-09-30 | $317,774 | 2,950 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $312,235 | 3,500 | Put | Sole | 2025-08-14 | |
| No filing history on record for this holder in this stock. | ||||||