Position in NTRA
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$51,997
-$251,318 QoQ
Shares Held
260
-80.4% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
22 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in NTRA Over Time
Shares Held
Position Value (USD)
Derivatives in NTRA
reported options exposure · as of Mar 31, 2026CallValue
$59,997
CallShares
300
PutValue
$99,995
PutShares
500
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. NTRA ranks #8 (0.6% 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
|
549 | $107,593 | |
| 8 | NTRA |
Natera, Inc.
This page
|
260 | $51,997 |
All Filings in NTRA
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $51,997 | 260 | Shares | Sole | 2026-05-11 | |
| 2026-03-31 | $59,997 | 300 | Call | Sole | 2026-05-11 | |
| 2026-03-31 | $99,995 | 500 | Put | Sole | 2026-05-11 | |
| 2025-12-31 | $274,908 | 1,200 | Call | Sole | 2026-02-13 | |
| 2025-12-31 | $303,315 | 1,324 | Shares | Sole | 2026-02-13 | |
| 2025-12-31 | $206,181 | 900 | Put | Sole | 2026-02-13 | |
| 2025-09-30 | $501,099 | 3,113 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $402,425 | 2,500 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $305,843 | 1,900 | Put | Sole | 2025-11-14 | |
| 2025-06-30 | $625,078 | 3,700 | Put | Sole | 2025-08-13 | |
| 2025-06-30 | $1,030,534 | 6,100 | Call | Sole | 2025-08-13 | |
| 2025-03-31 | $802,077 | 5,672 | Shares | Sole | 2025-05-14 | |
| 2025-03-31 | $1,541,369 | 10,900 | Call | Sole | 2025-05-14 | |
| 2025-03-31 | $2,078,727 | 14,700 | Put | Sole | 2025-05-14 | |
| 2024-12-31 | $712,350 | 4,500 | Call | Sole | 2025-02-13 | |
| 2024-12-31 | $538,220 | 3,400 | Put | Sole | 2025-02-13 | |
| 2024-09-30 | $253,900 | 2,000 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $380,850 | 3,000 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $1,353,625 | 12,500 | Call | Sole | 2024-08-14 | |
| 2024-03-31 | $45,730 | 500 | Put | Sole | 2024-05-15 | |
| 2024-03-31 | $265,234 | 2,900 | Call | Sole | 2024-05-15 | |
| 2023-09-30 | $4,425 | 100 | Put | Sole | 2023-11-21 | |
| 2023-09-30 | $119,475 | 2,700 | Call | Sole | 2023-11-21 | |
| 2023-09-30 | $103,854 | 2,347 | Shares | Sole | 2023-11-21 | |
| 2023-03-31 | $183,216 | 3,300 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $115,148 | 2,074 | Shares | Sole | 2023-05-15 | |
| 2023-03-31 | $194,320 | 3,500 | Put | Sole | 2023-05-15 | |
| 2022-12-31 | $15,867 | 395 | Shares | Sole | 2023-02-14 | |
| 2022-12-31 | $152,646 | 3,800 | Call | Sole | 2023-02-14 | |
| 2022-12-31 | $188,799 | 4,700 | Put | Sole | 2023-02-14 | |
| 2022-09-30 | $108,498 | 2,476 | Shares | Sole | 2022-11-14 | |
| 2022-09-30 | $223,482 | 5,100 | Put | Sole | 2022-11-14 | |
| 2022-09-30 | $92,022 | 2,100 | Call | Sole | 2022-11-14 | |
| 2022-06-30 | $319,208 | 9,007 | Shares | Sole | 2022-08-08 | |
| 2022-03-31 | $353,916 | 8,700 | Call | Sole | 2022-05-16 | |
| 2022-03-31 | $542,101 | 13,326 | Shares | Sole | 2022-05-16 | |
| 2022-03-31 | $69,156 | 1,700 | Put | Sole | 2022-05-16 | |
| 2021-12-31 | $298,848 | 3,200 | Put | Sole | 2022-02-14 | |
| 2021-12-31 | $3,838,329 | 41,100 | Call | Sole | 2022-02-14 | |
| 2021-09-30 | $307,240 | 2,757 | Shares | Sole | 2021-11-15 | |
| 2021-09-30 | $44,576 | 400 | Call | Sole | 2021-11-15 | |
| 2021-06-30 | $337,524 | 2,973 | Shares | Sole | 2021-08-16 | |
| 2021-06-30 | $11,353 | 100 | Put | Sole | 2021-08-16 | |
| 2021-06-30 | $442,767 | 3,900 | Call | Sole | 2021-08-16 | |
| 2021-03-31 | $99,915 | 984 | Shares | Sole | 2021-05-17 | |
| 2021-03-31 | $60,924 | 600 | Put | Sole | 2021-05-17 | |
| 2021-03-31 | $1,360,636 | 13,400 | Call | Sole | 2021-05-17 | |
| 2020-12-31 | $2,975,648 | 29,900 | Call | Sole | 2021-02-16 | |
| 2020-12-31 | $547,360 | 5,500 | Put | Sole | 2021-02-16 | |
| 2020-09-30 | $24,561 | 340 | Shares | Sole | 2020-11-16 | |
| No filing history on record for this holder in this stock. | ||||||