Position in ATRC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$4,248,343
-$526,266 QoQ
Shares Held
151,835
-9.3% QoQ
Ownership
0.298%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#55
of 250 holders
Holding Since
Dec 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, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $230,660,619 across 24 Medical Instruments & Supplies names. ATRC ranks #14 (1.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
|
195,875 | $77,895,570 | |
| 2 | BDX |
Becton Dickinson & Co
|
151,780 | $22,968,867 | |
| 3 | WST |
West Pharmaceutical Services Inc
|
43,423 | $15,588,857 | |
| 4 | RMD |
Resmed Inc
|
77,592 | $15,121,128 | |
| 5 | COO |
Cooper Companies, Inc.
|
196,490 | $14,090,297 | |
| 6 | ATR |
Aptargroup, Inc.
|
88,615 | $11,094,598 | |
| 7 | ALC |
Alcon Inc
|
157,054 | $10,538,323 | |
| 8 | MDLN |
Medline Inc.
|
188,473 | $7,433,375 |
All Filings in ATRC
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4,248,343 | 151,835 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $4,774,609 | 167,354 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $6,495,712 | 164,199 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $7,704,627 | 218,571 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $7,334,253 | 223,810 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $7,262,984 | 225,139 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $6,741,169 | 220,588 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $5,876,370 | 209,571 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $4,673,200 | 205,235 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $6,290,551 | 206,790 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $8,274,369 | 231,840 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $4,970,511 | 113,482 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $5,639,922 | 114,261 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $4,707,891 | 113,580 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $5,010,413 | 112,898 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $4,519,881 | 115,598 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $4,842,931 | 118,525 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $12,845,052 | 195,600 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $13,906,000 | 200,000 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $13,603,980 | 195,600 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $15,516,948 | 195,600 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $12,815,712 | 195,600 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $10,889,052 | 195,600 | Shares | Sole | 2021-02-03 | |
| No filing history on record for this holder in this stock. | ||||||