ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Position in BSX — Boston Scientific Corp
CIK 1164508
BOSTON, MA
Position in BSX
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$994,184,206
+$122,482,039 QoQ
Shares Held
23,293,913
+67.7% QoQ
Ownership
1.61%
of shares outstanding
% of Portfolio
0.45%
of 13F equity value
Holder Rank
#11
of 1,468 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 78%
Shared 0%
None 22%
Common Shares in BSX Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $6,427,484,644 across 45 Medical Devices names. BSX ranks #3 (15.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SYK |
Stryker Corp
|
3,282,207 | $1,033,370,051 | |
| 2 | MDT |
Medtronic plc
|
12,892,710 | $1,008,596,703 | |
| 3 | BSX |
Boston Scientific Corp
This page
|
23,293,913 | $994,184,206 | |
| 4 | ABT |
Abbott Laboratories
|
10,897,178 | $988,809,931 | |
| 5 | EW |
Edwards Lifesciences Corp
|
5,677,344 | $513,572,538 | |
| 6 | DXCM |
Dexcom Inc
|
6,873,273 | $462,914,936 | |
| 7 | PEN |
Penumbra Inc
|
834,903 | $263,620,622 | |
| 8 | STE |
STERIS plc
|
1,217,864 | $256,445,622 |
All Filings in BSX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $994,184,206 | 23,293,913 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $871,702,167 | 13,891,668 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $1,052,247,129 | 11,035,628 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $816,909,066 | 8,367,398 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $701,378,492 | 6,529,918 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $681,409,596 | 6,754,655 | Shares | Defined | 2025-05-14 | |
| 2024-12-31 | $499,473,688 | 5,591,958 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $427,802,184 | 5,105,038 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $370,762,488 | 4,814,472 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $335,724,692 | 4,901,806 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $349,624,127 | 6,047,814 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $403,225,574 | 7,636,848 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $481,124,329 | 8,894,885 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $426,875,471 | 8,532,390 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $392,414,852 | 8,480,978 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $303,931,041 | 7,847,432 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $281,001,898 | 7,539,627 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $240,530,752 | 5,430,814 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $139,035,553 | 3,272,965 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $38,257,960 | 881,723 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $1,278,524 | 29,900 | Shares | Defined | 2021-08-13 | |
| 2020-12-31 | $8,732,183 | 242,898 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $332,427 | 8,700 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $2,914,972 | 83,024 | Shares | Defined | 2020-08-12 | |
| 2020-03-31 | $65,701,353 | 2,013,526 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||