Position in BSX
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$253,015,341
-$108,669,710 QoQ
Shares Held
4,032,117
+6.3% QoQ
Ownership
0.271%
of shares outstanding
% of Portfolio
0.33%
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
$116,689,900
CallShares
1,859,600
PutValue
$38,553,600
PutShares
614,400
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, 2026JANE STREET GROUP, LLC holds $517,213,376 across 57 Medical Devices names. BSX ranks #1 (48.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BSX |
Boston Scientific Corp
This page
|
4,032,117 | $253,015,341 | |
| 2 | DXCM |
Dexcom Inc
|
741,669 | $46,576,812 | |
| 3 | ESTA |
Establishment Labs Holdings Inc.
|
627,700 | $35,640,805 | |
| 4 | EW |
Edwards Lifesciences Corp
|
390,333 | $31,257,865 | |
| 5 | MDT |
Medtronic plc
|
349,874 | $30,316,580 | |
| 6 | ABT |
Abbott Laboratories
|
160,022 | $16,429,457 | |
| 7 | IRTC |
iRhythm Holdings, Inc.
|
112,864 | $13,320,209 | |
| 8 | ATEC |
Alphatec Holdings, Inc.
|
878,549 | $9,558,612 |
All Filings in BSX
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $116,689,900 | 1,859,600 | Call | Defined | 2026-05-12 | |
| 2026-03-31 | $253,015,341 | 4,032,117 | Shares | Defined | 2026-05-12 | |
| 2026-03-31 | $38,553,600 | 614,400 | Put | Defined | 2026-05-12 | |
| 2025-12-31 | $361,685,051 | 3,793,236 | Shares | Defined | 2026-02-12 | |
| 2025-12-31 | $136,922,600 | 1,436,000 | Call | Defined | 2026-02-12 | |
| 2025-12-31 | $28,948,260 | 303,600 | Put | Defined | 2026-02-12 | |
| 2025-09-30 | $290,770,060 | 2,978,286 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $100,763,923 | 1,032,100 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $62,649,171 | 641,700 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $35,087,732 | 326,671 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $63,694,130 | 593,000 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $39,612,808 | 368,800 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $92,738,984 | 919,300 | Call | Defined | 2025-05-19 | |
| 2025-03-31 | $40,404,154 | 400,517 | Shares | Defined | 2025-05-19 | |
| 2025-03-31 | $18,632,536 | 184,700 | Put | Defined | 2025-05-19 | |
| 2024-12-31 | $53,198,992 | 595,600 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $4,701,803 | 52,640 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $6,743,660 | 75,500 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $40,232,380 | 480,100 | Call | Defined | 2024-11-15 | |
| 2024-09-30 | $16,743,240 | 199,800 | Put | Defined | 2024-11-15 | |
| 2024-09-30 | $19,480,986 | 232,470 | Shares | Defined | 2024-11-15 | |
| 2024-06-30 | $24,495,494 | 318,082 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $18,378,263 | 268,335 | Shares | Defined | 2024-05-16 | |
| 2023-12-31 | $24,040,345 | 415,851 | Shares | Defined | 2024-02-15 | |
| 2023-09-30 | $12,902,207 | 244,360 | Shares | Defined | 2023-11-15 | |
| 2023-06-30 | $21,861,553 | 404,170 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $9,664,444 | 193,173 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $6,531,472 | 141,160 | Shares | Defined | 2023-02-15 | |
| 2022-09-30 | $12,956,462 | 334,533 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $7,949,169 | 213,286 | Shares | Defined | 2022-08-16 | |
| 2022-03-31 | $25,989,372 | 586,800 | Put | Defined | 2022-05-17 | |
| 2022-03-31 | $11,993,198 | 270,788 | Shares | Defined | 2022-05-17 | |
| 2022-03-31 | $15,435,065 | 348,500 | Call | Defined | 2022-05-17 | |
| 2021-12-31 | $18,291,888 | 430,600 | Put | Defined | 2022-02-15 | |
| 2021-12-31 | $10,820,419 | 254,718 | Shares | Defined | 2022-02-15 | |
| 2021-12-31 | $8,559,720 | 201,500 | Call | Defined | 2022-02-15 | |
| 2021-09-30 | $11,726,146 | 270,250 | Shares | Defined | 2021-11-16 | |
| 2021-09-30 | $26,875,766 | 619,400 | Call | Defined | 2021-11-16 | |
| 2021-09-30 | $29,969,473 | 690,700 | Put | Defined | 2021-11-16 | |
| 2021-06-30 | $14,247,632 | 333,200 | Put | Defined | 2021-08-16 | |
| 2021-06-30 | $20,380,612 | 476,628 | Shares | Defined | 2021-08-16 | |
| 2021-06-30 | $14,405,844 | 336,900 | Call | Defined | 2021-08-16 | |
| 2021-03-31 | $2,616,605 | 67,700 | Call | Defined | 2021-05-18 | |
| 2021-03-31 | $19,364,924 | 501,033 | Shares | Defined | 2021-05-18 | |
| 2021-03-31 | $8,974,530 | 232,200 | Put | Defined | 2021-05-18 | |
| 2020-12-31 | $39,210,231 | 1,090,688 | Shares | Defined | 2021-02-17 | |
| 2020-12-31 | $8,577,670 | 238,600 | Call | Defined | 2021-02-17 | |
| 2020-12-31 | $32,365,785 | 900,300 | Put | Defined | 2021-02-17 | |
| 2020-09-30 | $22,520,974 | 589,400 | Put | Defined | 2020-11-17 | |
| 2020-09-30 | $4,952,016 | 129,600 | Call | Defined | 2020-11-17 | |
| No filing history on record for this holder in this stock. | ||||||