Position in ESTA
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$31,188,515
+$16,642,615 QoQ
Shares Held
549,287
+175.2% QoQ
Ownership
1.87%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
22 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ESTA Over Time
Shares Held
Position Value (USD)
Derivatives in ESTA
reported options exposure · as of Mar 31, 2026CallValue
$7,296,230
CallShares
128,500
PutValue
$3,088,832
PutShares
54,400
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, 2026CITADEL ADVISORS LLC holds $1,870,037,695 across 83 Medical Devices names. ESTA ranks #17 (1.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BSX |
Boston Scientific Corp
|
4,217,314 | $264,636,453 | |
| 2 | ABT |
Abbott Laboratories
|
1,915,846 | $196,699,908 | |
| 3 | GMED |
Globus Medical Inc
|
1,966,114 | $169,400,381 | |
| 4 | GKOS |
GLAUKOS Corp
|
1,446,926 | $155,776,052 | |
| 5 | DXCM |
Dexcom Inc
|
2,091,872 | $131,369,561 | |
| 6 | ZBH |
Zimmer Biomet Holdings, Inc.
|
1,378,665 | $124,658,889 | |
| 7 | GEHC |
GE HealthCare Technologies Inc.
|
1,293,268 | $92,054,816 | |
| 8 | MDT |
Medtronic plc
|
982,741 | $85,154,507 |
All Filings in ESTA
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $7,296,230 | 128,500 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $31,188,515 | 549,287 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $3,088,832 | 54,400 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $10,509,296 | 144,200 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $14,545,900 | 199,587 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $6,325,984 | 86,800 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $1,717,481 | 41,900 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $500,078 | 12,200 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $1,016,498 | 23,800 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $1,729,755 | 40,500 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $2,091,893 | 48,979 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $4,423,804 | 108,400 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $1,889,503 | 46,300 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $3,064,871 | 75,101 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $2,335,749 | 50,700 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $1,465,026 | 31,800 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $2,211,097 | 51,100 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $2,938,033 | 67,900 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $5,232,770 | 120,933 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $8,062,873 | 177,440 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $1,313,216 | 28,900 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $1,817,600 | 40,000 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $34,521,601 | 678,224 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $3,527,370 | 69,300 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $1,593,170 | 31,300 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $5,584,473 | 215,700 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $561,813 | 21,700 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $3,190,346 | 123,227 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $30,633,615 | 624,284 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $2,958,921 | 60,300 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $834,190 | 17,000 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $40,954,612 | 596,919 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $2,044,578 | 29,800 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $425,382 | 6,200 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $2,675,730 | 39,500 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $562,242 | 8,300 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $38,112,420 | 562,628 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $29,732,162 | 452,889 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $1,943,240 | 29,600 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $912,535 | 13,900 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $966,597 | 17,700 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $726,313 | 13,300 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $15,503,997 | 283,904 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $4,410,544 | 81,106 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $2,115,382 | 38,900 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $1,495,450 | 27,500 | Put | Defined | 2022-08-15 | |
| 2022-03-31 | $1,799,313 | 26,700 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $3,302,110 | 49,000 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $1,024,125 | 15,197 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $2,210,193 | 32,700 | Call | Defined | 2022-02-14 | |
| No filing history on record for this holder in this stock. | ||||||