Position in ATR
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$21,776,256
+$4,262,800 QoQ
Shares Held
172,800
+20.3% QoQ
Ownership
0.271%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
21 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ATR Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026RENAISSANCE TECHNOLOGIES LLC holds $297,303,624 across 28 Medical Instruments & Supplies names. ATR ranks #4 (7.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
|
139,402 | $64,262,927 | |
| 2 | WST |
West Pharmaceutical Services Inc
|
209,660 | $52,549,182 | |
| 3 | NVST |
Envista Holdings Corp
|
1,208,165 | $30,651,146 | |
| 4 | ATR |
Aptargroup, Inc.
This page
|
172,800 | $21,776,256 | |
| 5 | MMSI |
Merit Medical Systems Inc
|
314,212 | $21,658,633 | |
| 6 | XRAY |
DENTSPLY SIRONA Inc.
|
1,569,358 | $18,204,552 | |
| 7 | LMAT |
Lemaitre Vascular Inc
|
138,502 | $15,120,263 | |
| 8 | WRBY |
Warby Parker Inc.
|
552,836 | $11,648,254 |
All Filings in ATR
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21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $21,776,256 | 172,800 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $17,513,456 | 143,600 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $15,384,266 | 115,100 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $14,563,633 | 93,100 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $18,399,120 | 124,000 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $9,661,650 | 61,500 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $15,234,069 | 95,100 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $19,924,615 | 141,500 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $19,065,425 | 132,500 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $14,846,762 | 120,100 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $8,352,672 | 66,800 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $17,251,554 | 148,900 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $5,484,016 | 46,400 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $5,147,064 | 46,800 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $7,412,340 | 78,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $4,685,734 | 45,400 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $587,500 | 5,000 | Shares | Sole | 2022-05-13 | |
| 2021-06-30 | $8,070,132 | 57,300 | Shares | Sole | 2021-08-13 | |
| 2020-09-30 | $16,889,440 | 149,200 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $13,807,134 | 123,300 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $2,797,074 | 28,100 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||