Position in EW
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$410,329
+$50,233 QoQ
Shares Held
5,124
+21.3% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.01%
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 EW Over Time
Shares Held
Position Value (USD)
Derivatives in EW
reported options exposure · as of Mar 31, 2026CallValue
$15,199,184
CallShares
189,800
PutValue
$7,511,504
PutShares
93,800
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 Medical Devices
Healthcare · as of Mar 31, 2026Walleye Trading LLC holds $20,119,275 across 13 Medical Devices names. EW ranks #4 (2.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BSX |
Boston Scientific Corp
|
219,385 | $13,766,408 | |
| 2 | DXCM |
Dexcom Inc
|
68,250 | $4,286,100 | |
| 3 | GEHC |
GE HealthCare Technologies Inc.
|
11,712 | $833,660 | |
| 4 | EW |
Edwards Lifesciences Corp
This page
|
5,124 | $410,329 | |
| 5 | PEN |
Penumbra Inc
|
600 | $197,022 | |
| 6 | MASI |
Masimo Corp
|
1,100 | $195,657 | |
| 7 | GMED |
Globus Medical Inc
|
1,669 | $143,801 | |
| 8 | ATEC |
Alphatec Holdings, Inc.
|
10,384 | $112,977 |
All Filings in EW
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $410,329 | 5,124 | Shares | Sole | 2026-05-11 | |
| 2026-03-31 | $7,511,504 | 93,800 | Put | Sole | 2026-05-11 | |
| 2026-03-31 | $15,199,184 | 189,800 | Call | Sole | 2026-05-11 | |
| 2025-12-31 | $10,068,025 | 118,100 | Call | Sole | 2026-02-13 | |
| 2025-12-31 | $10,698,875 | 125,500 | Put | Sole | 2026-02-13 | |
| 2025-12-31 | $360,096 | 4,224 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $2,784,166 | 35,800 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $5,311,691 | 68,300 | Call | Sole | 2025-11-14 | |
| 2025-06-30 | $3,433,419 | 43,900 | Put | Sole | 2025-08-13 | |
| 2025-06-30 | $11,676,753 | 149,300 | Call | Sole | 2025-08-13 | |
| 2025-06-30 | $912,241 | 11,664 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $17,619,888 | 243,100 | Call | Sole | 2025-05-14 | |
| 2025-03-31 | $8,799,072 | 121,400 | Put | Sole | 2025-05-14 | |
| 2024-12-31 | $1,399,167 | 18,900 | Put | Sole | 2025-02-13 | |
| 2024-12-31 | $10,327,185 | 139,500 | Call | Sole | 2025-02-13 | |
| 2024-09-30 | $1,847,720 | 28,000 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $3,299,500 | 50,000 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $10,936,608 | 118,400 | Put | Sole | 2024-08-14 | |
| 2024-06-30 | $3,519,297 | 38,100 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $917,695 | 9,935 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $1,070,080 | 11,198 | Shares | Sole | 2024-05-15 | |
| 2024-03-31 | $2,637,456 | 27,600 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $7,702,136 | 80,600 | Put | Sole | 2024-05-15 | |
| 2023-12-31 | $6,938,750 | 91,000 | Call | Sole | 2024-02-14 | |
| 2023-12-31 | $4,765,625 | 62,500 | Put | Sole | 2024-02-14 | |
| 2023-09-30 | $1,946,768 | 28,100 | Put | Sole | 2023-11-21 | |
| 2023-09-30 | $44,408 | 641 | Shares | Sole | 2023-11-21 | |
| 2023-09-30 | $5,798,736 | 83,700 | Call | Sole | 2023-11-21 | |
| 2023-06-30 | $3,754,334 | 39,800 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $6,923,822 | 73,400 | Call | Sole | 2023-08-14 | |
| 2023-03-31 | $3,458,114 | 41,800 | Put | Sole | 2023-05-15 | |
| 2023-03-31 | $4,748,702 | 57,400 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $654,725 | 7,914 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $2,656,116 | 35,600 | Call | Sole | 2023-02-14 | |
| 2022-12-31 | $2,098,704 | 28,129 | Shares | Sole | 2023-02-14 | |
| 2022-12-31 | $3,827,493 | 51,300 | Put | Sole | 2023-02-14 | |
| 2022-09-30 | $7,172,284 | 86,800 | Put | Sole | 2022-11-14 | |
| 2022-09-30 | $788,785 | 9,546 | Shares | Sole | 2022-11-14 | |
| 2022-09-30 | $9,973,441 | 120,700 | Call | Sole | 2022-11-14 | |
| 2022-06-30 | $694,157 | 7,300 | Call | Sole | 2022-08-08 | |
| 2022-06-30 | $603,441 | 6,346 | Shares | Sole | 2022-08-08 | |
| 2022-06-30 | $2,757,610 | 29,000 | Put | Sole | 2022-08-08 | |
| 2022-03-31 | $682,776 | 5,800 | Call | Sole | 2022-05-16 | |
| 2022-03-31 | $1,706,940 | 14,500 | Put | Sole | 2022-05-16 | |
| 2021-12-31 | $411,709 | 3,178 | Shares | Sole | 2022-02-14 | |
| 2021-12-31 | $129,550 | 1,000 | Put | Sole | 2022-02-14 | |
| 2021-12-31 | $155,460 | 1,200 | Call | Sole | 2022-02-14 | |
| 2021-09-30 | $1,109,458 | 9,800 | Call | Sole | 2021-11-15 | |
| 2021-09-30 | $1,018,890 | 9,000 | Put | Sole | 2021-11-15 | |
| 2021-09-30 | $303,063 | 2,677 | Shares | Sole | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||