Position in IRTC
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$74,161,997
-$53,381,342 QoQ
Shares Held
628,385
-12.6% QoQ
Ownership
1.91%
of shares outstanding
% of Portfolio
0.26%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 63.20981563850188.ToString("F0")%
Shared 0.ToString("F0")%
None 36.79018436149812.ToString("F0")%
Common Shares in IRTC Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Mar 31, 2026BLAIR WILLIAM & CO/IL holds $713,437,167 across 22 Medical Devices names. IRTC ranks #4 (10.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SYK |
Stryker Corp
|
847,701 | $278,546,071 | |
| 2 | ABT |
Abbott Laboratories
|
1,327,761 | $136,321,221 | |
| 3 | DXCM |
Dexcom Inc
|
1,927,387 | $121,039,903 | |
| 4 | IRTC |
iRhythm Holdings, Inc.
This page
|
628,385 | $74,161,997 | |
| 5 | EW |
Edwards Lifesciences Corp
|
315,690 | $25,280,455 | |
| 6 | PODD |
Insulet Corp
|
112,604 | $23,628,823 | |
| 7 | TMDX |
TransMedics Group, Inc.
|
174,017 | $17,299,029 | |
| 8 | MDT |
Medtronic plc
|
153,247 | $13,278,852 |
All Filings in IRTC
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $74,161,997 | 628,385 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $127,543,339 | 718,797 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $127,396,604 | 740,721 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $113,827,400 | 739,331 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $82,697,095 | 789,999 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $54,529,135 | 604,737 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $47,843,299 | 644,441 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $86,012,971 | 799,080 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $96,620,344 | 832,934 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $86,177,047 | 805,092 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $104,762,166 | 1,111,417 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $108,746,714 | 1,042,434 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $125,107,696 | 1,008,689 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $85,516,213 | 912,952 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $103,115,587 | 823,081 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $73,287,119 | 678,396 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $108,837,437 | 691,163 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $88,862,422 | 755,055 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $40,419,517 | 690,224 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $42,111,283 | 634,684 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $69,174,914 | 498,163 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $50,432,743 | 212,608 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $39,933,428 | 167,710 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $21,477,893 | 185,330 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $2,306,760 | 28,356 | Shares | Sole | 2020-05-11 | |
| No filing history on record for this holder in this stock. | ||||||