Position in RMD
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$99,054,385
+$24,502,782 QoQ
Shares Held
508,284
+53.0% QoQ
Ownership
0.352%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#31
of 864 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in RMD Over Time
Shares Held
Position Value (USD)
Derivatives in RMD
reported options exposure · as of Jun 30, 2026CallValue
$10,737,888
CallShares
55,100
PutValue
$9,178,848
PutShares
47,100
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 $1,320,089,330 across 44 Medical Instruments & Supplies names. RMD ranks #5 (7.5% 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
This page
|
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 RMD
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $9,178,848 | 47,100 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $10,737,888 | 55,100 | Call | Defined | 2026-08-14 | |
| 2026-06-30 | $99,054,385 | 508,284 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $12,503,536 | 55,700 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $7,250,704 | 32,300 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $74,551,603 | 332,108 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $17,968,902 | 74,600 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $5,106,444 | 21,200 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $15,776,985 | 65,500 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $52,718,755 | 192,594 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $8,704,614 | 31,800 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $13,522,262 | 49,400 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $94,788,168 | 367,396 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $21,104,400 | 81,800 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $13,493,400 | 52,300 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $9,289,775 | 41,500 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $23,369,940 | 104,400 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $8,625,388 | 38,532 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $18,615,366 | 81,400 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $24,579,143 | 107,478 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $9,467,766 | 41,400 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $33,615,324 | 137,700 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $56,009,671 | 229,435 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $28,488,804 | 116,700 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $22,683,270 | 118,500 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $3,538,398 | 18,485 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $20,213,952 | 105,600 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $52,656,177 | 265,900 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $42,120,981 | 212,700 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $23,274,861 | 117,532 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $26,611,494 | 154,700 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $26,714,706 | 155,300 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $38,926,921 | 226,293 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $254,270,892 | 1,719,557 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $9,833,355 | 66,500 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $17,138,133 | 115,900 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $20,954,150 | 95,900 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $2,578,300 | 11,800 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $406,207,450 | 1,859,073 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $20,804,050 | 95,000 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $460,332,965 | 2,102,073 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $6,044,124 | 27,600 | Put | Defined | 2023-05-15 | |
| 2022-12-31 | $241,409,154 | 1,159,896 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $32,239,337 | 154,900 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $14,673,165 | 70,500 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $293,276,880 | 1,343,458 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $16,503,480 | 75,600 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $14,407,800 | 66,000 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $20,334,110 | 97,000 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $5,031,120 | 24,000 | Put | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||