Position in OSUR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$165,918
-$786,819 QoQ
Shares Held
55,306
-86.0% QoQ
Ownership
0.080%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in OSUR Over Time
Shares Held
Position Value (USD)
Derivatives in OSUR
reported options exposure · as of Dec 31, 2025CallValue
$0
CallShares
0
PutValue
$29,524
PutShares
12,200
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 Mar 31, 2026CITADEL ADVISORS LLC holds $1,983,694,213 across 42 Medical Instruments & Supplies names. OSUR ranks #36 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
|
1,356,011 | $625,107,510 | |
| 2 | TFX |
Teleflex Inc
|
1,171,096 | $140,074,791 | |
| 3 | BDX |
Becton Dickinson & Co
|
829,501 | $130,422,441 | |
| 4 | RGEN |
Repligen Corp
|
1,099,181 | $129,505,505 | |
| 5 | ALGN |
Align Technology Inc
|
730,025 | $125,148,185 | |
| 6 | NVST |
Envista Holdings Corp
|
4,584,572 | $116,310,591 | |
| 7 | HOLX |
HOLOGIC INC
|
1,090,660 | $82,442,989 | |
| 8 | WST |
West Pharmaceutical Services Inc
|
323,587 | $81,103,845 |
All Filings in OSUR
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $165,918 | 55,306 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $29,524 | 12,200 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $952,737 | 393,693 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $873,007 | 271,965 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $776,070 | 258,690 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $8,425 | 2,500 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $21,231 | 6,300 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $3,777,537 | 1,120,931 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $4,618,441 | 1,279,347 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $22,743 | 6,300 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $36,100 | 10,000 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $4,484,230 | 1,050,171 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $9,394 | 2,200 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $17,080 | 4,000 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $45,582 | 10,700 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $4,346,562 | 1,020,320 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $36,210 | 8,500 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $59,655 | 9,700 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $65,196 | 10,601 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $11,685 | 1,900 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $88,560 | 10,800 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $41,820 | 5,100 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $109,371 | 13,338 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $44,771 | 7,550 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $39,138 | 6,600 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $24,906 | 4,200 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $1,157,334 | 231,005 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $17,034 | 3,400 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $5,010 | 1,000 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $605 | 100 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $58,080 | 9,600 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $1,302,522 | 215,293 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $89,170 | 18,500 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $1,706,048 | 353,952 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $97,846 | 20,300 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $85,654 | 22,600 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $68,978 | 18,200 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $1,901,032 | 501,592 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $113,007 | 41,700 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $142,817 | 52,700 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $1,467,505 | 541,515 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $346,458 | 51,100 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $292,896 | 43,200 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $637,637 | 94,047 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $736,912 | 84,800 | Call | Defined | 2022-02-14 | |
| 2021-12-31 | $1,369,447 | 157,589 | Shares | Defined | 2022-02-14 | |
| 2021-12-31 | $2,401,916 | 276,400 | Put | Defined | 2022-02-14 | |
| 2021-09-30 | $931,944 | 82,400 | Call | Defined | 2021-11-15 | |
| 2021-09-30 | $1,080,342 | 95,521 | Shares | Defined | 2021-11-15 | |
| 2021-09-30 | $4,228,809 | 373,900 | Put | Defined | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||