Position in BSX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$39,692,638
-$30,183,465 QoQ
Shares Held
632,552
-13.7% QoQ
Ownership
0.043%
of shares outstanding
% of Portfolio
0.24%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
22 quarters on record
Voting authority
Sole 50.ToString("F0")%
Shared 50.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
$13,453,600
CallShares
214,400
PutValue
$13,290,450
PutShares
211,800
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, 2026TUDOR INVESTMENT CORP ET AL holds $327,149,749 across 40 Medical Devices names. BSX ranks #2 (12.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PEN |
Penumbra Inc
|
411,118 | $134,998,817 | |
| 2 | BSX |
Boston Scientific Corp
This page
|
632,552 | $39,692,638 | |
| 3 | ABT |
Abbott Laboratories
|
326,258 | $33,496,908 | |
| 4 | MASI |
Masimo Corp
|
143,884 | $25,592,647 | |
| 5 | STE |
STERIS plc
|
55,788 | $12,336,400 | |
| 6 | ESTA |
Establishment Labs Holdings Inc.
|
171,430 | $9,733,795 | |
| 7 | INSP |
Inspire Medical Systems, Inc.
|
167,218 | $8,625,104 | |
| 8 | IRMD |
Iradimed Corp
|
71,836 | $6,914,933 |
All Filings in BSX
Export CSV
38 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $39,692,638 | 632,552 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $13,453,600 | 214,400 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $13,290,450 | 211,800 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $4,634,010 | 48,600 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $69,876,103 | 732,838 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $429,075 | 4,500 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $64,453,959 | 660,186 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $5,633,251 | 57,700 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $8,743,174 | 81,400 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $69,883,094 | 650,620 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $2,867,847 | 26,700 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $25,838,495 | 256,131 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $2,592,616 | 25,700 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $9,280,960 | 92,000 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $410,872 | 4,600 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $27,637,575 | 329,804 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $578,220 | 6,900 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $1,119,263 | 14,534 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $10,732,999 | 156,709 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $513,675 | 7,500 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $11,792,546 | 203,988 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $332,640 | 6,300 | Call | Defined | 2023-11-15 | |
| 2023-09-30 | $16,298,568 | 308,685 | Shares | Defined | 2023-11-15 | |
| 2023-06-30 | $12,778,005 | 236,236 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $955,573 | 19,100 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $10,936,658 | 218,602 | Shares | Defined | 2023-05-15 | |
| 2022-06-30 | $286,979 | 7,700 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $1,247,782 | 28,173 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $711,794 | 16,756 | Shares | Defined | 2022-02-14 | |
| 2021-12-31 | $883,584 | 20,800 | Put | Defined | 2022-02-14 | |
| 2021-12-31 | $242,136 | 5,700 | Call | Defined | 2022-02-14 | |
| 2021-09-30 | $368,815 | 8,500 | Put | Defined | 2021-11-17 | |
| 2021-09-30 | $442,578 | 10,200 | Shares | Defined | 2021-11-17 | |
| 2021-03-31 | $820,307 | 21,224 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $435,749 | 12,121 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $3,106,511 | 81,301 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $1,155,119 | 32,900 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $1,512,792 | 46,362 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||