Position in ATR
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$7,016,541
+$6,643,925 QoQ
Shares Held
55,678
+2237.4% QoQ
Ownership
0.087%
of shares outstanding
% of Portfolio
0.27%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
8 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATR Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026WINTON GROUP Ltd holds $53,211,634 across 12 Medical Instruments & Supplies names. ATR ranks #4 (13.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HOLX |
HOLOGIC INC
|
275,027 | $20,789,290 | |
| 2 | MMSI |
Merit Medical Systems Inc
|
158,783 | $10,944,912 | |
| 3 | WST |
West Pharmaceutical Services Inc
|
33,422 | $8,376,890 | |
| 4 | ATR |
Aptargroup, Inc.
This page
|
55,678 | $7,016,541 | |
| 5 | NVST |
Envista Holdings Corp
|
55,200 | $1,400,424 | |
| 6 | EMBC |
Embecta Corp.
|
136,019 | $1,202,407 | |
| 7 | MDLN |
Medline Inc.
|
26,930 | $1,198,385 | |
| 8 | COO |
Cooper Companies, Inc.
|
8,870 | $634,205 |
All Filings in ATR
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8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $7,016,541 | 55,678 | Shares | Sole | 2026-05-12 | |
| 2025-06-30 | $372,616 | 2,382 | Shares | Sole | 2025-08-14 | |
| 2021-09-30 | $836,643 | 7,010 | Shares | Sole | 2021-10-28 | |
| 2021-06-30 | $1,912,325 | 13,578 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $1,748,916 | 12,345 | Shares | Sole | 2021-07-21 | |
| 2020-12-31 | $1,329,475 | 9,712 | Shares | Sole | 2021-02-12 | |
| 2020-09-30 | $873,451 | 7,716 | Shares | Sole | 2020-10-30 | |
| 2020-06-30 | $819,133 | 7,315 | Shares | Sole | 2020-08-05 | |
| No filing history on record for this holder in this stock. | ||||||