Position in CTKB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$3,196,112
+$1,136,129 QoQ
Shares Held
721,470
+53.1% QoQ
Ownership
0.555%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#24
of 154 holders
Holding Since
Sep 2021
18 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CTKB Over Time
Shares Held
Position Value (USD)
Derivatives in CTKB
reported options exposure · as of Mar 31, 2026CallValue
$50,255
CallShares
11,500
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. CTKB ranks #37 (0.1% of the industry book) .
| # | 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 CTKB
Export CSV
33 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,196,112 | 721,470 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $50,255 | 11,500 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $2,059,983 | 471,392 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $842,107 | 166,754 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $285,594 | 82,304 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $2,098,088 | 617,085 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $2,406 | 600 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $19,649 | 4,900 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $2,416,092 | 602,517 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $6,490 | 1,000 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $1,305,397 | 201,140 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $2,216 | 400 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $1,498,968 | 270,572 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,116 | 200 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $558 | 100 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $318,774 | 57,128 | Shares | Defined | 2024-08-14 | |
| 2023-09-30 | $33,672 | 6,100 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $2,230 | 404 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $51,336 | 9,300 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $30,744 | 3,600 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $222,040 | 26,000 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $9,897 | 1,159 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $210,451 | 22,900 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $919 | 100 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $3,610,677 | 392,892 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $619,747 | 60,700 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $501,739 | 49,142 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $3,063 | 300 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $1,017,152 | 69,100 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $2,842,677 | 264,928 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $273,262 | 25,349 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $1,507,461 | 92,369 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $327,958 | 15,318 | Shares | Defined | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||