Position in ATRC
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$6,550,118
-$2,257,093 QoQ
Shares Held
234,100
-24.2% QoQ
Ownership
0.460%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#45
of 250 holders
Holding Since
Mar 2020
23 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATRC Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Jun 30, 2026RENAISSANCE TECHNOLOGIES LLC holds $370,717,791 across 29 Medical Instruments & Supplies names. ATRC ranks #12 (1.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
|
504,430 | $200,601,722 | |
| 2 | NVST |
Envista Holdings Corp
|
1,520,565 | $40,066,887 | |
| 3 | ATR |
Aptargroup, Inc.
|
170,400 | $21,334,080 | |
| 4 | LMAT |
Lemaitre Vascular Inc
|
169,502 | $16,265,411 | |
| 5 | UTMD |
Utah Medical Products Inc
|
175,814 | $12,127,649 | |
| 6 | WST |
West Pharmaceutical Services Inc
|
30,900 | $11,093,100 | |
| 7 | STAA |
Staar Surgical Co
|
340,400 | $9,766,076 | |
| 8 | TFX |
Teleflex Inc
|
75,700 | $9,595,732 |
All Filings in ATRC
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $6,550,118 | 234,100 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $8,807,211 | 308,700 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $12,734,364 | 321,900 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $9,122,700 | 258,800 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $12,377,229 | 377,700 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $9,932,854 | 307,900 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $5,008,784 | 163,900 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $2,750,724 | 98,100 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $3,909,609 | 171,700 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $4,629,924 | 152,200 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $3,365,567 | 94,300 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $6,193,320 | 141,400 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $4,778,048 | 96,800 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $5,583,315 | 134,700 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $4,384,744 | 98,800 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $4,293,180 | 109,800 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $3,272,886 | 80,100 | Shares | Sole | 2022-08-12 | |
| 2021-09-30 | $4,534,660 | 65,200 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $5,442,038 | 68,600 | Shares | Sole | 2021-08-13 | |
| 2020-12-31 | $1,163,503 | 20,900 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $22,797,862 | 571,375 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $30,272,701 | 673,475 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $17,953,855 | 534,500 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||