Position in ATR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$30,155,171
+$26,616,908 QoQ
Shares Held
240,856
+757.8% QoQ
Ownership
0.379%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#41
of 553 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATR Over Time
Shares Held
Position Value (USD)
Derivatives in ATR
reported options exposure · as of Jun 30, 2026CallValue
$275,440
CallShares
2,200
PutValue
$237,880
PutShares
1,900
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 Instruments & Supplies
Healthcare · as of Jun 30, 2026CITADEL ADVISORS LLC holds $1,314,082,089 across 43 Medical Instruments & Supplies names. ATR ranks #11 (2.3% of the industry book) .
| # | 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 ATR
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $30,155,171 | 240,856 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $237,880 | 1,900 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $275,440 | 2,200 | Call | Defined | 2026-08-14 | |
| 2026-03-31 | $478,876 | 3,800 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $478,876 | 3,800 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $3,538,263 | 28,077 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $10,195,855 | 83,600 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $4,866,204 | 39,900 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $721,764 | 5,400 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $2,298,952 | 17,200 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $19,776,867 | 147,964 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $641,363 | 4,100 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $9,887,314 | 63,206 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $1,204,511 | 7,700 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $222,570 | 1,500 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $8,987,673 | 60,572 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $89,028 | 600 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $958,310 | 6,100 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $267,070 | 1,700 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $4,055,693 | 25,816 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $1,666,456 | 10,403 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $576,684 | 3,600 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $720,855 | 4,500 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $781,354 | 5,549 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $675,888 | 4,800 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $225,296 | 1,600 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $748,228 | 5,200 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $489,226 | 3,400 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $4,175,265 | 33,775 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $135,982 | 1,100 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $383,222 | 3,100 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $212,568 | 1,700 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $8,399,936 | 67,178 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $262,584 | 2,100 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $115,860 | 1,000 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $139,032 | 1,200 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $17,708,737 | 152,846 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $4,327,053 | 36,611 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $82,733 | 700 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $130,009 | 1,100 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $98,982 | 900 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $208,962 | 1,900 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $586,853 | 5,336 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $209,066 | 2,200 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $521,808 | 5,491 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $536,692 | 5,200 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $1,817,321 | 17,608 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $13,082,920 | 111,344 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $658,000 | 5,600 | Put | Defined | 2022-05-16 | |
| 2021-12-31 | $16,237,785 | 132,575 | Shares | Defined | 2022-02-14 | |
| No filing history on record for this holder in this stock. | ||||||