Position in ZTEKF
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$59,999
+$45,126 QoQ
Shares Held
113,679
+389.2% QoQ
Ownership
0.090%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2022
12 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ZTEKF Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Jun 30, 2026CITADEL ADVISORS LLC holds $1,313,944,868 across 42 Medical Instruments & Supplies names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | COO |
Cooper Companies, Inc.
|
3,872,397 | $277,689,588 | |
| 2 | ISRG |
Intuitive Surgical Inc
|
470,076 | $186,939,823 | |
| 3 | TFX |
Teleflex Inc
|
1,140,950 | $144,626,822 | |
| 4 | WST |
West Pharmaceutical Services Inc
|
352,769 | $126,644,071 | |
| 5 | RMD |
Resmed Inc
|
508,284 | $99,054,385 | |
| 6 | ICUI |
Icu Medical Inc/De
|
536,225 | $78,610,585 | |
| 7 | MMSI |
Merit Medical Systems Inc
|
909,863 | $63,089,900 | |
| 8 | RGEN |
Repligen Corp
|
376,309 | $51,343,599 |
All Filings in ZTEKF
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $59,999 | 113,679 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $14,873 | 23,240 | Shares | Defined | 2026-02-17 | |
| 2025-06-30 | $29,967 | 27,493 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $38,974 | 35,112 | Shares | Defined | 2025-05-15 | |
| 2024-09-30 | $9,446 | 13,493 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $25,046 | 23,408 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $21,570 | 17,944 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $28,927 | 26,785 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $38,276 | 30,499 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $42,611 | 27,141 | Shares | Defined | 2023-08-14 | |
| 2022-12-31 | $28,871 | 18,628 | Shares | Defined | 2023-02-14 | |
| 2022-06-30 | $50,314 | 27,798 | Shares | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||