Position in AVTR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$18,380,386
+$14,674,291 QoQ
Shares Held
2,344,437
+624.9% QoQ
Ownership
0.343%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
16 quarters on record
Voting authority
Sole 50.ToString("F0")%
Shared 50.ToString("F0")%
None 0.ToString("F0")%
Common Shares in AVTR Over Time
Shares Held
Position Value (USD)
Derivatives in AVTR
reported options exposure · as of Dec 31, 2025CallValue
$185,652
CallShares
16,200
PutValue
$20,724,264
PutShares
1,808,400
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, 2026TUDOR INVESTMENT CORP ET AL holds $253,491,888 across 19 Medical Instruments & Supplies names. AVTR ranks #2 (7.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HOLX |
HOLOGIC INC
|
2,196,804 | $166,056,414 | |
| 2 | AVTR |
Avantor, Inc.
This page
|
2,344,437 | $18,380,386 | |
| 3 | ISRG |
Intuitive Surgical Inc
|
37,756 | $17,405,138 | |
| 4 | WST |
West Pharmaceutical Services Inc
|
65,415 | $16,395,615 | |
| 5 | COO |
Cooper Companies, Inc.
|
190,995 | $13,656,142 | |
| 6 | BLCO |
Bausch & Lomb Corp
|
376,446 | $5,985,491 | |
| 7 | MMSI |
Merit Medical Systems Inc
|
60,679 | $4,182,603 | |
| 8 | LMAT |
Lemaitre Vascular Inc
|
33,147 | $3,618,657 |
All Filings in AVTR
Export CSV
28 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $18,380,386 | 2,344,437 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $3,706,095 | 323,394 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $185,652 | 16,200 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $20,724,264 | 1,808,400 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $164,736 | 13,200 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $229,632 | 18,400 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $168,250 | 12,500 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $297,466 | 22,100 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $256,118 | 15,800 | Call | Defined | 2025-05-15 | |
| 2024-09-30 | $227,656 | 8,800 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $235,417 | 9,100 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $10,926,734 | 515,412 | Shares | Defined | 2024-08-14 | |
| 2023-06-30 | $7,311,911 | 355,984 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $238,882 | 11,300 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $361,494 | 17,100 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $2,870,917 | 135,805 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $256,918 | 12,182 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $466,480 | 23,800 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $531,160 | 27,100 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $205,260 | 6,600 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $600,230 | 19,300 | Call | Defined | 2022-08-15 | |
| 2021-12-31 | $960,792 | 22,800 | Put | Defined | 2022-02-14 | |
| 2021-12-31 | $653,170 | 15,500 | Call | Defined | 2022-02-14 | |
| 2021-09-30 | $801,640 | 19,600 | Call | Defined | 2021-11-17 | |
| 2021-09-30 | $658,203 | 16,093 | Shares | Defined | 2021-11-17 | |
| 2021-09-30 | $1,546,020 | 37,800 | Put | Defined | 2021-11-17 | |
| 2021-03-31 | $2,179,788 | 75,347 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $1,883,150 | 66,897 | Shares | Defined | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||