Position in SIBN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$2,377,294
-$3,742,768 QoQ
Shares Held
188,226
-39.4% QoQ
Ownership
0.424%
of shares outstanding
% of Portfolio
0.00%
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 SIBN Over Time
Shares Held
Position Value (USD)
Derivatives in SIBN
reported options exposure · as of Mar 31, 2026CallValue
$496,359
CallShares
39,300
PutValue
$0
PutShares
0
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. SIBN ranks #41 (0.1% 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 SIBN
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,377,294 | 188,226 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $496,359 | 39,300 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $6,120,062 | 310,348 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $554,132 | 28,100 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $694,784 | 47,200 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $5,214,471 | 354,244 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $1,183,778 | 62,900 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $7,518,871 | 399,515 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $51,911 | 3,700 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $2,041,827 | 145,533 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $641,171 | 45,700 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $43,462 | 3,100 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $365,922 | 26,100 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $3,108,121 | 221,692 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $1,630,011 | 116,596 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $23,766 | 1,700 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $229,272 | 16,400 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $2,029,415 | 156,954 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $32,325 | 2,500 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $11,637 | 900 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $1,382,102 | 84,429 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $276,653 | 16,900 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $34,377 | 2,100 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $1,273,694 | 60,681 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $25,188 | 1,200 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $155,326 | 7,400 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $186,912 | 8,800 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $135,936 | 6,400 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $1,003,972 | 47,268 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,295,040 | 48,000 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $5,396 | 200 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $6,658,393 | 246,790 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $328,941 | 16,723 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $161,294 | 8,200 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $987,434 | 50,200 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $1,502,813 | 110,501 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $1,360 | 100 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $114,240 | 8,400 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $176,346 | 10,100 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $997,628 | 57,138 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $138,600 | 10,500 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $5,430,044 | 411,367 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $5,622,540 | 248,785 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $632,800 | 28,000 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $201,140 | 8,900 | Put | Defined | 2022-05-16 | |
| 2021-12-31 | $251,106 | 11,306 | Shares | Defined | 2022-02-14 | |
| 2021-12-31 | $326,487 | 14,700 | Call | Defined | 2022-02-14 | |
| 2021-12-31 | $246,531 | 11,100 | Put | Defined | 2022-02-14 | |
| 2021-09-30 | $387,702 | 18,100 | Call | Defined | 2021-11-15 | |
| 2021-09-30 | $368,424 | 17,200 | Put | Defined | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||