Position in AVTR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$4,138,759
-$4,518,079 QoQ
Shares Held
527,903
-30.1% QoQ
Ownership
0.077%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
7 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in AVTR Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026Weiss Asset Management LP holds $122,942,446 across 7 Medical Instruments & Supplies names. AVTR ranks #5 (3.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HOLX |
HOLOGIC INC
|
1,230,436 | $93,008,657 | |
| 2 | MDLN |
Medline Inc.
|
213,178 | $9,486,421 | |
| 3 | ISRG |
Intuitive Surgical Inc
|
12,600 | $5,808,474 | |
| 4 | RMD |
Resmed Inc
|
22,638 | $5,081,778 | |
| 5 | AVTR |
Avantor, Inc.
This page
|
527,903 | $4,138,759 | |
| 6 | COO |
Cooper Companies, Inc.
|
48,004 | $3,432,286 | |
| 7 | WST |
West Pharmaceutical Services Inc
|
7,924 | $1,986,071 |
All Filings in AVTR
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,138,759 | 527,903 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $8,656,838 | 755,396 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $6,871,587 | 550,608 | Shares | Defined | 2025-11-14 | |
| 2024-09-30 | $1,768,007 | 68,342 | Shares | Defined | 2024-11-14 | |
| 2022-12-31 | $2,109,000 | 100,000 | Shares | Defined | 2023-02-14 | |
| 2022-06-30 | $1,509,749 | 48,545 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $608,049 | 17,979 | Shares | Defined | 2022-05-13 | |
| No filing history on record for this holder in this stock. | ||||||