Position in CERS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$0
-$1,946,740 QoQ
Shares Held
0
-100.0% QoQ
Ownership
0.000%
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
Common Shares in CERS Over Time
Shares Held
Position Value (USD)
Derivatives in CERS
reported options exposure · as of Mar 31, 2026CallValue
$95,186
CallShares
52,300
PutValue
$248,066
PutShares
136,300
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.
| # | 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 CERS
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $248,066 | 136,300 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $95,186 | 52,300 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $1,946,740 | 945,020 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $64,684 | 31,400 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $153,264 | 74,400 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $115,593 | 72,700 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $27,507 | 17,300 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $1,430,360 | 899,598 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $22,560 | 16,000 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $1,451,190 | 1,029,213 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $68,103 | 48,300 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $1,877,620 | 1,350,806 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $17,792 | 12,800 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $41,422 | 29,800 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $74,844 | 48,600 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $2,663,437 | 1,729,505 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $13,398 | 8,700 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $41,064 | 23,600 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $39,150 | 22,500 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $1,847,863 | 1,061,991 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $581,899 | 330,625 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $24,992 | 14,200 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $12,672 | 7,200 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $2,245,390 | 1,188,038 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $20,979 | 11,100 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $60,669 | 32,100 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $5,495,210 | 2,544,079 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $20,736 | 9,600 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $66,960 | 31,000 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $3,830,058 | 2,364,234 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $40,176 | 24,800 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $20,250 | 12,500 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $66,912 | 27,200 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $2,408,219 | 978,951 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $51,414 | 20,900 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $209,979 | 70,700 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $81,675 | 27,500 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $251,133 | 84,557 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $1,442,965 | 395,333 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $158,775 | 43,500 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $163,155 | 44,700 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $862,595 | 239,610 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $468,000 | 130,000 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $81,720 | 22,700 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $695,020 | 131,384 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $249,688 | 47,200 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $658,605 | 124,500 | Put | Defined | 2022-08-15 | |
| 2022-03-31 | $242,658 | 44,200 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $83,997 | 15,300 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $3,923,795 | 714,717 | Shares | Defined | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||