Position in BSX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$826,243,101
+$235,688,356 QoQ
Shares Held
19,359,023
+105.7% QoQ
Ownership
1.34%
of shares outstanding
% of Portfolio
0.68%
of 13F equity value
Holder Rank
#13
of 1,468 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 97%
Shared 0%
None 3%
Common Shares in BSX Over Time
Shares Held
Position Value (USD)
Derivatives in BSX
reported options exposure · as of Jun 30, 2026CallValue
$1,293,204
CallShares
30,300
PutValue
$1,323,080
PutShares
31,000
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 Jun 30, 2026TWO SIGMA INVESTMENTS, LP holds $2,666,359,449 across 65 Medical Devices names. BSX ranks #1 (31.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BSX |
Boston Scientific Corp
This page
|
19,359,023 | $826,243,101 | |
| 2 | ABT |
Abbott Laboratories
|
8,126,315 | $737,381,823 | |
| 3 | PODD |
Insulet Corp
|
1,903,734 | $289,843,501 | |
| 4 | MDT |
Medtronic plc
|
3,240,847 | $253,531,460 | |
| 5 | EW |
Edwards Lifesciences Corp
|
1,521,899 | $137,670,983 | |
| 6 | PEN |
Penumbra Inc
|
428,128 | $135,181,416 | |
| 7 | BRKR |
Bruker Corp
|
200,091 | $45,941,097 | |
| 8 | ESTA |
Establishment Labs Holdings Inc.
|
448,425 | $38,479,349 |
All Filings in BSX
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34 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,323,080 | 31,000 | Put | Sole | 2026-08-14 | |
| 2026-06-30 | $826,243,101 | 19,359,023 | Shares | Sole | 2026-08-14 | |
| 2026-06-30 | $1,293,204 | 30,300 | Call | Sole | 2026-08-14 | |
| 2026-03-31 | $313,750 | 5,000 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $590,554,745 | 9,411,231 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $235,642,650 | 2,471,344 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $362,330 | 3,800 | Call | Sole | 2026-02-17 | |
| 2025-09-30 | $585,780 | 6,000 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $247,158,253 | 2,531,581 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $878,670 | 9,000 | Put | Sole | 2025-11-14 | |
| 2025-06-30 | $264,913,446 | 2,466,376 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $246,222,557 | 2,440,747 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $66,261,774 | 741,847 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $96,631,791 | 1,153,124 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $142,798,487 | 1,854,285 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $9,076,294 | 132,520 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $5,761,286 | 99,659 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $21,701,222 | 411,008 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $132,274,985 | 2,445,461 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $56,245,677 | 1,124,239 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $73,172,997 | 1,581,435 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $3,958,903 | 102,218 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $14,125,516 | 379,005 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $173,859,332 | 3,925,476 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $174,277,003 | 4,102,566 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $216,950 | 5,000 | Call | Sole | 2021-11-15 | |
| 2021-09-30 | $201,916,102 | 4,653,517 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $191,260,477 | 4,472,883 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $21,970,283 | 568,442 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $226,945,843 | 6,312,819 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $366,816 | 9,600 | Call | Sole | 2020-11-16 | |
| 2020-09-30 | $263,649 | 6,900 | Put | Sole | 2020-11-16 | |
| 2020-06-30 | $18,356,526 | 522,829 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $42,630,931 | 1,306,495 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||