Position in ATRC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$14,711,744
-$6,714,371 QoQ
Shares Held
525,795
-30.0% QoQ
Ownership
1.03%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#28
of 250 holders
Holding Since
Mar 2020
22 quarters on record
Voting authority
Sole 98%
Shared 0%
None 2%
Common Shares in ATRC Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Jun 30, 2026TWO SIGMA INVESTMENTS, LP holds $1,061,546,505 across 25 Medical Instruments & Supplies names. ATRC ranks #7 (1.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
|
1,979,128 | $787,059,623 | |
| 2 | RMD |
Resmed Inc
|
411,036 | $80,102,695 | |
| 3 | BDX |
Becton Dickinson & Co
|
293,839 | $44,466,655 | |
| 4 | ALC |
Alcon Inc
|
454,562 | $30,501,110 | |
| 5 | LMAT |
Lemaitre Vascular Inc
|
316,528 | $30,374,026 | |
| 6 | MMSI |
Merit Medical Systems Inc
|
434,687 | $30,141,196 | |
| 7 | ATRC |
AtriCure, Inc.
This page
|
525,795 | $14,711,744 | |
| 8 | ATR |
Aptargroup, Inc.
|
90,996 | $11,392,699 |
All Filings in ATRC
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22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $14,711,744 | 525,795 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $21,426,115 | 751,003 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $15,052,540 | 380,499 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $15,963,843 | 452,875 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $13,498,389 | 411,913 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $21,547,260 | 667,925 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $18,672,037 | 610,996 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $20,126,663 | 717,784 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $14,641,793 | 643,030 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $6,880,365 | 226,179 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $6,878,783 | 192,737 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $9,519,097 | 217,331 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $9,897,716 | 200,521 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $9,870,322 | 238,126 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $3,814,816 | 85,958 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $4,354,527 | 111,369 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $3,171,716 | 77,624 | Shares | Sole | 2022-08-15 | |
| 2021-09-30 | $4,609,774 | 66,280 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $5,207,776 | 65,647 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $229,320 | 3,500 | Shares | Sole | 2021-05-17 | |
| 2020-06-30 | $5,236,270 | 116,491 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $5,596,261 | 166,605 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||