iRhythm Holdings, Inc. IRTC
88.73 USD -1.49 (-1.65%)
At closeNov 9, 2026, 4:20 PM EST
88.73 0.00 0.00%
After hours · Nov 9, 4:20 PM ET
88.23 Day range 92.96
86.30 52-week range 192.47
- YTD
- -49.99%
- 1 year
- -49.18%
Held by funds
116 US ETFs and mutual funds hold IRTC · largest positions
Ownership
Held by insiders 1.17%
Held by institutions 107.96%
Float held by institutions 109.24%
Institutions 428
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Blackrock Inc. | 9.06% | 2,985,667 | 264.92M | Jun 29, 2026 |
| RTW Investments LP | 6.62% | 2,182,631 | 193.66M | Jun 29, 2026 |
| Vanguard Portfolio Management LLC | 5.81% | 1,913,976 | 169.83M | Jun 29, 2026 |
| Artisan Partners Limited Partnership | 5.04% | 1,660,307 | 147.32M | Jun 29, 2026 |
| Vanguard Capital Management LLC | 4.44% | 1,463,211 | 129.83M | Jun 29, 2026 |
| Millennium Management Llc | 4.27% | 1,406,454 | 124.79M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 3.11% | 1,026,322 | 91.07M | Jun 29, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 2.59% | 854,999 | 75.86M | Sep 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 2.25% | 741,498 | 65.79M | Jun 29, 2026 |
| MUTUAL FUND SERIES TRUST-Eventide Gilead Fund | 1.77% | 582,472 | 51.68M | Jun 29, 2026 |
| Vanguard Explorer Fund | 1.58% | 521,698 | 46.29M | Jul 30, 2026 |
| Capitol Series Trust-FullerThaler Behavioral Small-Cap Growth Fund | 1.36% | 447,100 | 39.67M | Jun 29, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| BLACKFORD QUENTIN S | Chief Executive Officer | Sale | Aug 9, 2026 | 226,008 |
| LAWRENCE BRIAN LEE | Chief Technology Officer | Sale | May 3, 2026 | 20,154 |
| MURPHY PATRICK MICHAEL | Officer | Sale | Aug 9, 2026 | 69,699 |
| PATTERSON CHAD | Officer | Sale | Aug 9, 2026 | 62,125 |
| RODDA JULIANNE | Officer | Sale | Aug 2, 2026 | 18,201 |
| SHRISHRIMAL SUMI | Officer | Sale | Aug 9, 2026 | 44,621 |