Position in BSX
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$13,766,408
-$4,870,416 QoQ
Shares Held
219,385
+12.2% QoQ
Ownership
0.015%
of shares outstanding
% of Portfolio
0.31%
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 BSX Over Time
Shares Held
Position Value (USD)
Derivatives in BSX
reported options exposure · as of Mar 31, 2026CallValue
$51,931,900
CallShares
827,600
PutValue
$18,103,375
PutShares
288,500
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 Medical Devices
Healthcare · as of Mar 31, 2026Walleye Trading LLC holds $20,119,275 across 13 Medical Devices names. BSX ranks #1 (68.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BSX |
Boston Scientific Corp
This page
|
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
|
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 BSX
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $18,103,375 | 288,500 | Put | Sole | 2026-05-11 | |
| 2026-03-31 | $13,766,408 | 219,385 | Shares | Sole | 2026-05-11 | |
| 2026-03-31 | $51,931,900 | 827,600 | Call | Sole | 2026-05-11 | |
| 2025-12-31 | $22,350,040 | 234,400 | Call | Sole | 2026-02-13 | |
| 2025-12-31 | $18,636,824 | 195,457 | Shares | Sole | 2026-02-13 | |
| 2025-12-31 | $23,389,355 | 245,300 | Put | Sole | 2026-02-13 | |
| 2025-09-30 | $9,538,451 | 97,700 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $6,713,136 | 68,761 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $15,259,569 | 156,300 | Put | Sole | 2025-11-14 | |
| 2025-06-30 | $13,902,720 | 129,436 | Shares | Sole | 2025-08-13 | |
| 2025-06-30 | $12,652,898 | 117,800 | Call | Sole | 2025-08-13 | |
| 2025-06-30 | $6,176,075 | 57,500 | Put | Sole | 2025-08-13 | |
| 2025-03-31 | $17,290,832 | 171,400 | Call | Sole | 2025-05-14 | |
| 2025-03-31 | $10,710,227 | 106,168 | Shares | Sole | 2025-05-14 | |
| 2025-03-31 | $12,367,888 | 122,600 | Put | Sole | 2025-05-14 | |
| 2024-12-31 | $15,935,849 | 178,413 | Shares | Sole | 2025-02-13 | |
| 2024-12-31 | $14,058,968 | 157,400 | Put | Sole | 2025-02-13 | |
| 2024-12-31 | $4,769,688 | 53,400 | Call | Sole | 2025-02-13 | |
| 2024-09-30 | $11,914,516 | 142,178 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $4,433,020 | 52,900 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $10,676,120 | 127,400 | Put | Sole | 2024-11-14 | |
| 2024-06-30 | $5,752,647 | 74,700 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $10,265,201 | 133,297 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $8,771,439 | 113,900 | Put | Sole | 2024-08-14 | |
| 2024-03-31 | $10,828,269 | 158,100 | Put | Sole | 2024-05-15 | |
| 2024-03-31 | $4,921,759 | 71,861 | Shares | Sole | 2024-05-15 | |
| 2024-03-31 | $10,547,460 | 154,000 | Call | Sole | 2024-05-15 | |
| 2023-12-31 | $13,111,308 | 226,800 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $14,539,215 | 251,500 | Call | Sole | 2024-02-14 | |
| 2023-12-31 | $2,025,431 | 35,036 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $498,168 | 9,435 | Shares | Sole | 2023-11-21 | |
| 2023-09-30 | $18,775,680 | 355,600 | Call | Sole | 2023-11-21 | |
| 2023-09-30 | $12,513,600 | 237,000 | Put | Sole | 2023-11-21 | |
| 2023-06-30 | $6,507,027 | 120,300 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $15,118,155 | 279,500 | Call | Sole | 2023-08-14 | |
| 2023-03-31 | $19,951,964 | 398,800 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $4,292,574 | 85,800 | Put | Sole | 2023-05-15 | |
| 2022-12-31 | $6,376,006 | 137,800 | Put | Sole | 2023-02-14 | |
| 2022-12-31 | $8,782,046 | 189,800 | Call | Sole | 2023-02-14 | |
| 2022-09-30 | $4,407,474 | 113,800 | Put | Sole | 2022-11-14 | |
| 2022-09-30 | $9,380,406 | 242,200 | Call | Sole | 2022-11-14 | |
| 2022-06-30 | $4,953,183 | 132,900 | Call | Sole | 2022-08-08 | |
| 2022-06-30 | $8,765,904 | 235,200 | Put | Sole | 2022-08-08 | |
| 2022-06-30 | $1,214,331 | 32,582 | Shares | Sole | 2022-08-08 | |
| 2022-03-31 | $3,140,161 | 70,900 | Call | Sole | 2022-05-16 | |
| 2022-03-31 | $1,901,325 | 42,929 | Shares | Sole | 2022-05-16 | |
| 2022-03-31 | $12,706,801 | 286,900 | Put | Sole | 2022-05-16 | |
| 2021-12-31 | $4,582,402 | 107,872 | Shares | Sole | 2022-02-14 | |
| 2021-12-31 | $1,219,176 | 28,700 | Call | Sole | 2022-02-14 | |
| 2021-12-31 | $10,284,408 | 242,100 | Put | Sole | 2022-02-14 | |
| No filing history on record for this holder in this stock. | ||||||