Position in CTSO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$0
-$6,112 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
22 quarters on record
Common Shares in CTSO Over Time
Shares Held
Position Value (USD)
Derivatives in CTSO
reported options exposure · as of Jun 30, 2026CallValue
$5,385
CallShares
14,400
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 Jun 30, 2026CITADEL ADVISORS LLC holds $3,447,350,274 across 95 Medical Devices names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
8,597,227 | $780,112,377 | |
| 2 | MDT |
Medtronic plc
|
5,373,877 | $420,398,397 | |
| 3 | EW |
Edwards Lifesciences Corp
|
3,997,925 | $361,652,295 | |
| 4 | ZBH |
Zimmer Biomet Holdings, Inc.
|
3,477,472 | $299,375,563 | |
| 5 | BSX |
Boston Scientific Corp
|
4,987,748 | $212,877,084 | |
| 6 | GKOS |
GLAUKOS Corp
|
1,390,017 | $194,268,775 | |
| 7 | GEHC |
GE HealthCare Technologies Inc.
|
2,367,032 | $151,513,717 | |
| 8 | PEN |
Penumbra Inc
|
448,763 | $141,696,917 |
All Filings in CTSO
Export CSV
45 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5,385 | 14,400 | Call | Defined | 2026-08-14 | |
| 2026-03-31 | $6,112 | 10,799 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $95,389 | 149,279 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $61,354 | 65,690 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $36,992 | 28,900 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $8,100 | 8,100 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $6,900 | 6,900 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $8,183 | 8,183 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $14,560 | 16,000 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $43,630 | 29,087 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $23,100 | 15,400 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $7,100 | 10,100 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $351 | 500 | Put | Defined | 2024-08-14 | |
| 2023-09-30 | $3,948 | 2,100 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $57,693 | 30,688 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $4,136 | 2,200 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $6,462 | 1,800 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $57,799 | 16,100 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $135,705 | 37,801 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $31,341 | 9,300 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $44,457 | 13,192 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $51,224 | 15,200 | Call | Defined | 2023-05-15 | |
| 2022-06-30 | $277,905 | 126,898 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $72,099 | 22,602 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $87,243 | 20,822 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $105,560 | 13,000 | Put | Defined | 2021-11-15 | |
| 2021-09-30 | $499,842 | 61,557 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $237,182 | 31,415 | Shares | Defined | 2021-08-16 | |
| 2021-06-30 | $207,625 | 27,500 | Call | Defined | 2021-08-16 | |
| 2021-06-30 | $323,140 | 42,800 | Put | Defined | 2021-08-16 | |
| 2021-03-31 | $205,177 | 23,638 | Shares | Defined | 2021-05-21 | |
| 2021-03-31 | $157,976 | 18,200 | Call | Defined | 2021-05-21 | |
| 2021-03-31 | $297,724 | 34,300 | Put | Defined | 2021-05-21 | |
| 2020-12-31 | $551,571 | 69,206 | Shares | Defined | 2021-02-16 | |
| 2020-12-31 | $109,189 | 13,700 | Call | Defined | 2021-02-16 | |
| 2020-12-31 | $164,979 | 20,700 | Put | Defined | 2021-02-16 | |
| 2020-09-30 | $259,985 | 32,600 | Call | Defined | 2020-11-16 | |
| 2020-09-30 | $1,035,178 | 129,803 | Shares | Defined | 2020-11-16 | |
| 2020-09-30 | $244,035 | 30,600 | Put | Defined | 2020-11-16 | |
| 2020-06-30 | $946,826 | 95,639 | Shares | Defined | 2020-08-14 | |
| 2020-06-30 | $483,120 | 48,800 | Call | Defined | 2020-08-14 | |
| 2020-06-30 | $437,580 | 44,200 | Put | Defined | 2020-08-14 | |
| 2020-03-31 | $80,755 | 10,447 | Shares | Defined | 2020-05-15 | |
| 2020-03-31 | $257,409 | 33,300 | Call | Defined | 2020-05-15 | |
| 2020-03-31 | $194,023 | 25,100 | Put | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||