Position in MDLN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,285,191
-$69,619,240 QoQ
Shares Held
32,586
-98.0% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#202
of 402 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MDLN Over Time
Shares Held
Position Value (USD)
Derivatives in MDLN
reported options exposure · as of Jun 30, 2026CallValue
$7,872,224
CallShares
199,600
PutValue
$8,195,632
PutShares
207,800
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 $1,320,091,022 across 44 Medical Instruments & Supplies names. MDLN ranks #30 (0.1% 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 MDLN
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,285,191 | 32,586 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $7,872,224 | 199,600 | Call | Defined | 2026-08-14 | |
| 2026-06-30 | $8,195,632 | 207,800 | Put | Defined | 2026-08-14 | |
| 2026-03-31 | $51,660,050 | 1,160,900 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $2,273,950 | 51,100 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $70,904,431 | 1,593,358 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $252,266,238 | 6,006,339 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $10,445,400 | 248,700 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $9,886,800 | 235,400 | Put | Defined | 2026-02-17 | |
| No filing history on record for this holder in this stock. | ||||||