Position in GH
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$0
+$0 QoQ
Shares Held
0
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
24 quarters on record
Common Shares in GH Over Time
Shares Held
Position Value (USD)
Derivatives in GH
reported options exposure · as of Jun 30, 2026CallValue
$7,006,401
CallShares
46,700
PutValue
$990,198
PutShares
6,600
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 Diagnostics & Research
Healthcare · as of Jun 30, 2026Walleye Trading LLC holds $9,930,965 across 9 Diagnostics & Research names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
28,037 | $5,340,487 | |
| 2 | ILMN |
Illumina, Inc.
|
7,468 | $1,313,098 | |
| 3 | QGEN |
Qiagen N.V.
|
31,455 | $1,229,890 | |
| 4 | NTRA |
Natera, Inc.
|
2,292 | $622,163 | |
| 5 | CRL |
Charles River Laboratories International, Inc.
|
2,511 | $569,469 | |
| 6 | RDNT |
RadNet, Inc.
|
8,609 | $530,917 | |
| 7 | A |
Agilent Technologies, Inc.
|
1,960 | $260,346 | |
| 8 | LH |
Labcorp Holdings Inc.
|
130 | $36,400 |
All Filings in GH
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $990,198 | 6,600 | Put | Sole | 2026-08-03 | |
| 2026-06-30 | $7,006,401 | 46,700 | Call | Sole | 2026-08-03 | |
| 2026-03-31 | $6,521,322 | 70,600 | Call | Sole | 2026-05-11 | |
| 2025-12-31 | $14,493,666 | 141,900 | Call | Sole | 2026-02-13 | |
| 2025-12-31 | $5,617,700 | 55,000 | Put | Sole | 2026-02-13 | |
| 2025-09-30 | $10,871,520 | 174,000 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $4,311,120 | 69,000 | Put | Sole | 2025-11-14 | |
| 2025-06-30 | $2,118,028 | 40,700 | Put | Sole | 2025-08-13 | |
| 2025-06-30 | $2,388,636 | 45,900 | Call | Sole | 2025-08-13 | |
| 2025-03-31 | $421,740 | 9,900 | Call | Sole | 2025-05-14 | |
| 2025-03-31 | $21,300 | 500 | Put | Sole | 2025-05-14 | |
| 2024-12-31 | $48,880 | 1,600 | Shares | Sole | 2025-02-13 | |
| 2024-12-31 | $122,200 | 4,000 | Put | Sole | 2025-02-13 | |
| 2024-12-31 | $186,355 | 6,100 | Call | Sole | 2025-02-13 | |
| 2024-09-30 | $367,040 | 16,000 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $27,528 | 1,200 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $179,056 | 6,200 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $277,248 | 9,600 | Put | Sole | 2024-08-14 | |
| 2023-12-31 | $259,680 | 9,600 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $213,695 | 7,900 | Call | Sole | 2024-02-14 | |
| 2023-12-31 | $208,257 | 7,699 | Shares | Sole | 2024-02-14 | |
| 2023-06-30 | $175,420 | 4,900 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $443,920 | 12,400 | Call | Sole | 2023-08-14 | |
| 2023-03-31 | $1,089,960 | 46,500 | Put | Sole | 2023-05-15 | |
| 2023-03-31 | $3,966,048 | 169,200 | Call | Sole | 2023-05-15 | |
| 2022-12-31 | $794,240 | 29,200 | Call | Sole | 2023-02-14 | |
| 2022-12-31 | $139,128 | 5,115 | Shares | Sole | 2023-02-14 | |
| 2022-12-31 | $247,520 | 9,100 | Put | Sole | 2023-02-14 | |
| 2022-09-30 | $2,858,373 | 53,100 | Call | Sole | 2022-11-14 | |
| 2022-09-30 | $1,835,603 | 34,100 | Put | Sole | 2022-11-14 | |
| 2022-09-30 | $1,138,988 | 21,159 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,545,022 | 38,300 | Put | Sole | 2022-08-08 | |
| 2022-06-30 | $5,724,246 | 141,900 | Call | Sole | 2022-08-08 | |
| 2022-03-31 | $1,156,484 | 17,459 | Shares | Sole | 2022-05-16 | |
| 2022-03-31 | $1,298,304 | 19,600 | Call | Sole | 2022-05-16 | |
| 2022-03-31 | $1,675,872 | 25,300 | Put | Sole | 2022-05-16 | |
| 2021-12-31 | $360,072 | 3,600 | Put | Sole | 2022-02-14 | |
| 2021-12-31 | $3,610,722 | 36,100 | Call | Sole | 2022-02-14 | |
| 2021-09-30 | $8,125 | 65 | Shares | Sole | 2021-11-15 | |
| 2021-09-30 | $762,561 | 6,100 | Put | Sole | 2021-11-15 | |
| 2021-09-30 | $4,312,845 | 34,500 | Call | Sole | 2021-11-15 | |
| 2021-06-30 | $1,291,576 | 10,400 | Put | Sole | 2021-08-16 | |
| 2021-06-30 | $472,667 | 3,806 | Shares | Sole | 2021-08-16 | |
| 2021-06-30 | $4,893,086 | 39,400 | Call | Sole | 2021-08-16 | |
| 2021-03-31 | $8,533,135 | 55,900 | Call | Sole | 2021-05-17 | |
| 2021-03-31 | $2,722,054 | 17,832 | Shares | Sole | 2021-05-17 | |
| 2021-03-31 | $2,060,775 | 13,500 | Put | Sole | 2021-05-17 | |
| 2020-12-31 | $1,739,880 | 13,500 | Call | Sole | 2021-02-16 | |
| 2020-12-31 | $695,952 | 5,400 | Put | Sole | 2021-02-16 | |
| 2020-12-31 | $1,654,045 | 12,834 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||