IRTC — iRhythm Holdings, Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-10-20.
Performance
Technicals
Others in Healthcare
Measured signals that fired on IRTC
| date | signal | measured base rate |
|---|---|---|
| 2026-08-05 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-08-04 | Cluster sale: three or more insiders insider | -0.37% over 21 days · t = -3.38 · n = 21,542 statistically distinguishable from its control group |
| 2026-08-04 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-27 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-10 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-24 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-10 | Blackford Quentin S. President and CEO | Open-market sale | 26.9K | 124.65 | 3.3M |
| 2026-08-10 | Patterson Chad CHIEF COMM & PRODUCT OFFICER | Open-market sale | 7.1K | 124.65 | 884.2K |
| 2026-08-10 | Murphy Patrick Michael CBO and CLO | Open-market sale | 7.1K | 124.65 | 884.2K |
| 2026-08-10 | Turakhia Minang CHIEF MED/SCI OFCR EVP ADVTECH | Open-market sale | 7.1K | 124.65 | 884.2K |
| 2026-08-10 | Shrishrimal Sumi EVP, Chief Risk Officer | Open-market sale | 5.4K | 124.65 | 669.6K |
| 2026-08-07 | Shrishrimal Sumi EVP, Chief Risk Officer | Grant or award | 9.7K | 0.00 | 0 |
| 2026-08-07 | Murphy Patrick Michael CBO and CLO | Grant or award | 13.6K | 0.00 | 0 |
| 2026-08-07 | Turakhia Minang CHIEF MED/SCI OFCR EVP ADVTECH | Grant or award | 13.6K | 0.00 | 0 |
| 2026-08-07 | Patterson Chad CHIEF COMM & PRODUCT OFFICER | Grant or award | 13.6K | 0.00 | 0 |
| 2026-08-07 | Blackford Quentin S. President and CEO | Grant or award | 48.5K | 0.00 | 0 |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 323.6M | 2.7M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 212.0M | 1.8M |
| RTW INVESTMENTS, LP | 196.9M | 1.7M |
| MILLENNIUM MANAGEMENT LLC | 189.8M | 1.6M |
| Artisan Partners Limited Partnership | 171.2M | 1.5M |
| VANGUARD CAPITAL MANAGEMENT LLC | 170.6M | 1.4M |
| FMR LLC | 160.7M | 1.4M |
| Holocene Advisors, LP | 147.4M | 1.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 123.6M | 1.0M |
| GEODE CAPITAL MANAGEMENT, LLC | 96.5M | 817.1K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- Irhythm Holdings, Inc. (IRTC) filed form 8-K · 2026-08-13 · SEC EDGAR
Ask the AI about IRTC
The assistant reads every block on this page — price history, filings, insider transactions, institutional positions, short volume, macro and the measured base rates — and says what it implies, quoting the number behind each claim and declaring what it does not have.
Everything on this page is live in the terminal.
Charts, filings, insider flow and the AI — open without an account.
Free plan for good. Pro is $69.99/mo, or $4.99 for a 7-day trial. See the plans →