Position in DGX
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$107,593
-$350,699 QoQ
Shares Held
549
-79.2% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in DGX Over Time
Shares Held
Position Value (USD)
Derivatives in DGX
reported options exposure · as of Mar 31, 2026CallValue
$254,774
CallShares
1,300
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 Diagnostics & Research
Healthcare · as of Mar 31, 2026Walleye Trading LLC holds $9,391,151 across 9 Diagnostics & Research names. DGX ranks #7 (1.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CRL |
Charles River Laboratories International, Inc.
|
31,661 | $5,461,522 | |
| 2 | A |
Agilent Technologies, Inc.
|
11,098 | $1,264,950 | |
| 3 | QGEN |
Qiagen N.V.
|
29,434 | $1,178,537 | |
| 4 | IQV |
Iqvia Holdings Inc.
|
3,564 | $607,804 | |
| 5 | RDNT |
RadNet, Inc.
|
8,609 | $481,157 | |
| 6 | WAT |
Waters Corp /De/
|
693 | $206,375 | |
| 7 | DGX |
Quest Diagnostics Inc
This page
|
549 | $107,593 | |
| 8 | NTRA |
Natera, Inc.
|
260 | $51,997 |
All Filings in DGX
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $107,593 | 549 | Shares | Sole | 2026-05-11 | |
| 2026-03-31 | $254,774 | 1,300 | Call | Sole | 2026-05-11 | |
| 2025-12-31 | $902,356 | 5,200 | Put | Sole | 2026-02-13 | |
| 2025-12-31 | $295,001 | 1,700 | Call | Sole | 2026-02-13 | |
| 2025-12-31 | $458,292 | 2,641 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $438,334 | 2,300 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $563,735 | 2,958 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $800,436 | 4,200 | Call | Sole | 2025-11-14 | |
| 2025-06-30 | $808,335 | 4,500 | Call | Sole | 2025-08-13 | |
| 2025-06-30 | $1,634,633 | 9,100 | Put | Sole | 2025-08-13 | |
| 2025-03-31 | $1,285,920 | 7,600 | Call | Sole | 2025-05-14 | |
| 2025-03-31 | $1,945,800 | 11,500 | Put | Sole | 2025-05-14 | |
| 2025-03-31 | $676,461 | 3,998 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $11,042,952 | 73,200 | Call | Sole | 2025-02-13 | |
| 2024-12-31 | $2,036,610 | 13,500 | Put | Sole | 2025-02-13 | |
| 2024-09-30 | $419,175 | 2,700 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $11,659,275 | 75,100 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $1,286,672 | 9,400 | Put | Sole | 2024-08-14 | |
| 2024-06-30 | $854,952 | 6,246 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $54,752 | 400 | Call | Sole | 2024-08-14 | |
| 2024-03-31 | $1,610,631 | 12,100 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $1,424,277 | 10,700 | Put | Sole | 2024-05-15 | |
| 2024-03-31 | $35,540 | 267 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $272,175 | 1,974 | Shares | Sole | 2024-02-14 | |
| 2023-12-31 | $5,280,804 | 38,300 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $8,176,284 | 59,300 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $5,917,156 | 48,557 | Shares | Sole | 2023-11-21 | |
| 2023-09-30 | $13,173,066 | 108,100 | Call | Sole | 2023-11-21 | |
| 2023-09-30 | $12,186,000 | 100,000 | Put | Sole | 2023-11-21 | |
| 2023-06-30 | $11,792,984 | 83,900 | Call | Sole | 2023-08-14 | |
| 2023-06-30 | $1,250,984 | 8,900 | Put | Sole | 2023-08-14 | |
| 2023-03-31 | $2,433,456 | 17,200 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $3,013,524 | 21,300 | Put | Sole | 2023-05-15 | |
| 2023-03-31 | $1,868,526 | 13,207 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $1,378,549 | 8,812 | Shares | Sole | 2023-02-14 | |
| 2022-12-31 | $735,268 | 4,700 | Put | Sole | 2023-02-14 | |
| 2022-12-31 | $9,996,516 | 63,900 | Call | Sole | 2023-02-14 | |
| 2022-09-30 | $2,834,139 | 23,100 | Put | Sole | 2022-11-14 | |
| 2022-09-30 | $4,232,805 | 34,500 | Call | Sole | 2022-11-14 | |
| 2022-06-30 | $2,447,230 | 18,403 | Shares | Sole | 2022-08-08 | |
| 2022-06-30 | $16,476,222 | 123,900 | Put | Sole | 2022-08-08 | |
| 2022-06-30 | $7,074,536 | 53,200 | Call | Sole | 2022-08-08 | |
| 2022-03-31 | $1,190,134 | 8,696 | Shares | Sole | 2022-05-16 | |
| 2022-03-31 | $17,121,186 | 125,100 | Put | Sole | 2022-05-16 | |
| 2022-03-31 | $6,747,198 | 49,300 | Call | Sole | 2022-05-16 | |
| 2021-12-31 | $5,813,136 | 33,600 | Call | Sole | 2022-02-14 | |
| 2021-12-31 | $4,100,337 | 23,700 | Put | Sole | 2022-02-14 | |
| 2021-12-31 | $1,116,433 | 6,453 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $5,216,629 | 35,900 | Put | Sole | 2021-11-15 | |
| 2021-09-30 | $4,649,920 | 32,000 | Call | Sole | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||