Position in ATRC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$4,961,945
+$2,469,936 QoQ
Shares Held
177,339
+103.0% QoQ
Ownership
0.349%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#50
of 250 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATRC Over Time
Shares Held
Position Value (USD)
Derivatives in ATRC
reported options exposure · as of Jun 30, 2026CallValue
$0
CallShares
0
PutValue
$321,770
PutShares
11,500
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. ATRC ranks #22 (0.4% 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 ATRC
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $321,770 | 11,500 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $4,961,945 | 177,339 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $2,492,009 | 87,347 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $9,602,833 | 242,741 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $260,850 | 7,400 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $1,603,839 | 45,499 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $4,415,265 | 134,735 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $337,531 | 10,300 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $222,594 | 6,900 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $145,170 | 4,500 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $6,112,721 | 189,483 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $5,958,649 | 194,982 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $137,520 | 4,500 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $375,888 | 12,300 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $4,451,153 | 158,743 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $201,888 | 7,200 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $336,480 | 12,000 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $286,902 | 12,600 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $3,499,908 | 153,707 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $81,972 | 3,600 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $9,348,582 | 307,317 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $298,116 | 9,800 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $124,722 | 4,100 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $60,673 | 1,700 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $10,915,750 | 305,849 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $403,297 | 11,300 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $8,760 | 200 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $4,187,192 | 95,598 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $74,040 | 1,500 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $14,808 | 300 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $15,360,189 | 311,187 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $14,092,709 | 339,993 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $37,305 | 900 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $5,763,452 | 129,866 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $22,190 | 500 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $293,250 | 7,500 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $2,458,529 | 62,878 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $212,472 | 5,200 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $2,431,292 | 59,503 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $229,845 | 3,500 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $13,872,655 | 211,248 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $25,284,097 | 363,643 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $500,760 | 7,200 | Call | Defined | 2021-11-15 | |
| 2021-09-30 | $34,823,476 | 500,697 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $396,650 | 5,000 | Put | Defined | 2021-08-16 | |
| 2021-06-30 | $65,750,052 | 828,817 | Shares | Defined | 2021-08-16 | |
| 2021-06-30 | $658,439 | 8,300 | Call | Defined | 2021-08-16 | |
| 2021-03-31 | $34,080,948 | 520,161 | Shares | Defined | 2021-05-21 | |
| 2021-03-31 | $445,536 | 6,800 | Put | Defined | 2021-05-21 | |
| 2021-03-31 | $694,512 | 10,600 | Call | Defined | 2021-05-21 | |
| No filing history on record for this holder in this stock. | ||||||