Position in COHR
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$0
-$14,615,374 QoQ
Shares Held
0
-100.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2022
16 quarters on record
Common Shares in COHR Over Time
Shares Held
Position Value (USD)
Derivatives in COHR
reported options exposure · as of Jun 30, 2026CallValue
$56,330,316
CallShares
142,800
PutValue
$60,353,910
PutShares
153,000
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, 2026Walleye Trading LLC holds $809,857 across 3 Scientific & Technical Instruments names.
All Filings in COHR
Export CSV
43 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $60,353,910 | 153,000 | Put | Sole | 2026-08-03 | |
| 2026-06-30 | $56,330,316 | 142,800 | Call | Sole | 2026-08-03 | |
| 2026-03-31 | $22,129,709 | 92,900 | Call | Sole | 2026-05-11 | |
| 2026-03-31 | $14,615,374 | 61,355 | Shares | Sole | 2026-05-11 | |
| 2026-03-31 | $23,773,358 | 99,800 | Put | Sole | 2026-05-11 | |
| 2025-12-31 | $49,593,959 | 268,700 | Put | Sole | 2026-02-13 | |
| 2025-12-31 | $11,663,162 | 63,191 | Shares | Sole | 2026-02-13 | |
| 2025-12-31 | $13,787,379 | 74,700 | Call | Sole | 2026-02-13 | |
| 2025-09-30 | $10,276,488 | 95,400 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $28,879,732 | 268,100 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $2,019,857 | 18,751 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $171,015 | 1,917 | Shares | Sole | 2025-08-13 | |
| 2025-06-30 | $19,126,624 | 214,400 | Call | Sole | 2025-08-13 | |
| 2025-06-30 | $26,379,397 | 295,700 | Put | Sole | 2025-08-13 | |
| 2025-03-31 | $1,737,015 | 26,748 | Shares | Sole | 2025-05-14 | |
| 2025-03-31 | $9,260,444 | 142,600 | Call | Sole | 2025-05-14 | |
| 2025-03-31 | $9,169,528 | 141,200 | Put | Sole | 2025-05-14 | |
| 2024-12-31 | $10,827,639 | 114,300 | Put | Sole | 2025-02-13 | |
| 2024-12-31 | $7,208,953 | 76,100 | Call | Sole | 2025-02-13 | |
| 2024-09-30 | $14,927,989 | 167,900 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $12,136,215 | 136,500 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $7,651,776 | 105,600 | Put | Sole | 2024-08-14 | |
| 2024-06-30 | $8,818,382 | 121,700 | Call | Sole | 2024-08-14 | |
| 2024-03-31 | $3,275,237 | 54,029 | Shares | Sole | 2024-05-15 | |
| 2024-03-31 | $4,467,694 | 73,700 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $8,335,250 | 137,500 | Put | Sole | 2024-05-15 | |
| 2023-12-31 | $3,221,220 | 74,000 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $1,580,139 | 36,300 | Call | Sole | 2024-02-14 | |
| 2023-12-31 | $940,813 | 21,613 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $693,436 | 21,245 | Shares | Sole | 2023-11-21 | |
| 2023-09-30 | $2,190,144 | 67,100 | Call | Sole | 2023-11-21 | |
| 2023-09-30 | $1,126,080 | 34,500 | Put | Sole | 2023-11-21 | |
| 2023-06-30 | $2,961,938 | 58,100 | Call | Sole | 2023-08-14 | |
| 2023-06-30 | $1,019,600 | 20,000 | Put | Sole | 2023-08-14 | |
| 2023-03-31 | $907,865 | 23,841 | Shares | Sole | 2023-05-15 | |
| 2023-03-31 | $2,204,832 | 57,900 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $2,360,960 | 62,000 | Put | Sole | 2023-05-15 | |
| 2022-12-31 | $5,129,549 | 146,141 | Shares | Sole | 2023-02-14 | |
| 2022-12-31 | $2,327,130 | 66,300 | Call | Sole | 2023-02-14 | |
| 2022-12-31 | $5,317,650 | 151,500 | Put | Sole | 2023-02-14 | |
| 2022-09-30 | $13,953,940 | 400,400 | Put | Sole | 2022-11-14 | |
| 2022-09-30 | $8,962,026 | 257,160 | Shares | Sole | 2022-11-14 | |
| 2022-09-30 | $7,367,290 | 211,400 | Call | Sole | 2022-11-14 | |
| No filing history on record for this holder in this stock. | ||||||