IRTCNasdaqSurgical & Medical Instruments & ApparatusFiscal year ends December 31
iRhythm Holdings, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026
$109.60+0.94 (+0.87%)
Close on Oct 19, 2026
- Market cap
- $3.61B
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
100.0%
36M of 33M shares
Institutional holders
304
45 new, 40 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
1 buys · 66 sales
Net sold $29.58M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 2,494,403 | 8.10% | 13G (passive) amendment | Dec 31, 2023 |
| Roderick Wong | 2,182,631 | 6.60% | 13G (passive) amendment | Jun 30, 2026 |
| Vanguard Portfolio Management | 1,824,090 | 5.64% | 13G (passive) | Mar 31, 2026 |
| Vanguard Capital Management | 1,691,483 | 5.23% | 13G (passive) | Mar 31, 2026 |
| Artisan Partners Holdings LP | 1,660,307 | 5.10% | 13G (passive) | Jun 30, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of IRTC | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,985,667 | 9.06% | $355.15M | +244,162 | 0.01% |
| Rtw Investments, LP | 2,182,631 | 6.62% | $259.62M | +514,131 | 2.22% |
| Vanguard Portfolio Management LLC | 1,913,976 | 5.81% | $227.67M | +117,604 | 0.01% |
| Artisan Partners Limited Partnership | 1,660,307 | 5.04% | $197.49M | +209,400 | 0.31% |
| Vanguard Capital Management LLC | 1,463,211 | 4.44% | $174.05M | +17,501 | 0.00% |
| Millennium Management LLC | 1,406,454 | 4.27% | $167.30M | −201,560 | 0.06% |
| FMR LLC | 1,191,982 | 3.62% | $141.79M | −169,937 | 0.01% |
| UBS Asset Management Americas Inc | 944,517 | 2.87% | $112.35M | −102,935 | 0.02% |
| Geode Capital Management, LLC | 881,899 | 2.68% | $104.92M | +64,789 | 0.01% |
| Eventide Asset Management, LLC | 880,338 | 2.67% | $104.71M | +119,513 | 1.40% |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 866,528 | 2.63% | $103.07M | +104,466 | 0.10% |
| State Street Corp | 856,517 | 2.60% | $101.88M | +68,215 | 0.00% |
| Holocene Advisors, LP | 783,636 | 2.38% | $93.21M | −465,022 | 0.21% |
| JPMorgan Chase & Co | 766,216 | 2.32% | $90.92M | +51,320 | 0.01% |
| Stephens Investment Management Group LLC | 693,437 | 2.10% | $82.48M | +131,907 | 0.88% |
| Fuller & Thaler Asset Management, Inc. | 685,496 | 2.08% | $81.54M | +10,798 | 0.22% |
| Braidwell LP | 654,262 | 1.98% | $77.82M | +44,070 | 2.88% |
| D. E. Shaw & Co., Inc. | 629,686 | 1.91% | $74.90M | +75,420 | 0.04% |
| Manufacturers Life Insurance Company, The | 561,251 | 1.70% | $66.76M | +170,674 | 0.05% |
| Blair William & Co/Il | 524,690 | 1.59% | $62.41M | −103,695 | 0.16% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 304 | 36M | 100.0% | 45 / 120 | 91 / 40 | 4M | 4M |
| Q1 2026 | 305 | 36M | 100.0% | 44 / 112 | 106 / 69 | 10M | 7M |
| Q4 2025 | 335 | 36M | 100.0% | 46 / 109 | 122 / 41 | 5M | 4M |
| Q3 2025 | 337 | 35M | 100.0% | 63 / 110 | 114 / 28 | 4M | 4M |
| Q2 2025 | 303 | 35M | 100.0% | 71 / 100 | 94 / 22 | 4M | 5M |
| Q1 2025 | 256 | 36M | 100.0% | 54 / 81 | 82 / 22 | 5M | 6M |
| Q4 2024 | 227 | 37M | 100.0% | 41 / 72 | 82 / 52 | 8M | 6M |
| Q3 2024 | 242 | 35M | 100.0% | 49 / 87 | 70 / 32 | 6M | 4M |
| Q2 2024 | 228 | 37M | 100.0% | 27 / 106 | 66 / 51 | 4M | 3M |
| Q1 2024 | 253 | 36M | 100.0% | 52 / 77 | 90 / 21 | 5M | 3M |
| Q4 2023 | 222 | 35M | 100.0% | 34 / 89 | 68 / 33 | 5M | 4M |
| Q3 2023 | 223 | 33M | 100.0% | 38 / 76 | 77 / 16 | 3M | 3M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of IRTC | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 1,026,322 | 3.11% | $122.08M | 0.01% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 860,238 | 2.61% | $102.33M | 0.12% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 741,498 | 2.25% | $88.20M | 0.05% | Jun 30, 2026 |
| Eventide Gilead Fund | 582,472 | 1.77% | $69.29M | 2.01% | Jun 30, 2026 |
| Vanguard Explorer Fund | 521,698 | 1.58% | $61.13M | 0.28% | Jul 31, 2026 |
| Select Medical Technology and Devices Portfolio | 450,000 | 1.37% | $51.26M | 1.72% | May 31, 2026 |
| Fullerthaler Behavioral Small-Cap Growth | 447,100 | 1.36% | $53.18M | 0.86% | Jun 30, 2026 |
| Bridge Builder Small/Mid Cap Growth Fund | 435,607 | 1.32% | $51.82M | 0.46% | Jun 30, 2026 |
| Vanguard Small-Cap Growth Index Fund | 427,292 | 1.30% | $50.83M | 0.11% | Jun 30, 2026 |
| Artisan Mid Cap Fund | 378,618 | 1.15% | $45.04M | 1.41% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 377,971 | 1.15% | $44.96M | 0.05% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 361,729 | 1.10% | $42.38M | 0.12% | Jul 31, 2026 |
| SMALLCAP World Fund Inc | 326,172 | 0.99% | $38.80M | 0.04% | Jun 30, 2026 |
| iShares Russell 2000 Growth ETF | 305,804 | 0.93% | $36.38M | 0.24% | Jun 30, 2026 |
| Eventide Healthcare & Life Sciences Fund | 277,739 | 0.84% | $33.04M | 1.85% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Quentin S. Blackford | President and CEO, Director | 226,008 | 0.69% | Aug 11, 2026 |
| Daniel G. Wilson | Chief Financial Officer | 34,987 | 0.11% | Sep 3, 2026 |
| Sumi Shrishrimal | EVP, Chief Risk Officer | 44,621 | 0.14% | Aug 11, 2026 |
| Minang Turakhia | CHIEF MED/SCI OFCR EVP ADVTECH | 60,116 | 0.18% | Aug 11, 2026 |
| Chad Patterson | CHIEF COMM & PRODUCT OFFICER | 62,125 | 0.19% | Aug 11, 2026 |
| Patrick Michael Murphy | CBO and CLO | 69,699 | 0.21% | Aug 11, 2026 |
| Mervin Smith | EVP Strategic Business Ops | 22,410 | 0.07% | Aug 4, 2026 |
| Julianne Rodda | EVP, CHIEF PEOPLE OFFICER | 18,201 | 0.06% | Aug 4, 2026 |
| Sean Clinton Freeman | EVP, Strategy & Corp Devt | 13,641 | 0.04% | Jul 6, 2026 |
| Marc Wade Rosenbaum | Chief Accounting Officer | 16,155 | 0.05% | Jun 3, 2026 |
| Brian Lee Lawrence | Chief Technology Officer | 20,154 | 0.06% | May 5, 2026 |
| Karen K. McGinnis | Director | 3,608 | 0.01% | May 29, 2026 |
| Abhijit Y. Talwalkar | Director | 21,872 | 0.07% | May 29, 2026 |
| Brian B. Yoor | Director | 7,171 | 0.02% | May 29, 2026 |
| Bruce G. Bodaken | Director | 14,211 | 0.04% | May 29, 2026 |
| Merz Cathleen Noel Bairey | Director | 10,546 | 0.03% | May 29, 2026 |
| Karen Ling | Director | 11,141 | 0.03% | May 29, 2026 |
| Kevin C. Oboyle | Director | 3,608 | 0.01% | May 29, 2026 |
| Jason H. Patten | Director | 4,436 | 0.01% | Mar 19, 2026 |
| Ralph Snyderman | Director | 13,288 | 0.04% | May 29, 2025 |
| Mark J. Rubash | Director | 13,788 | 0.04% | May 29, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Daniel G. Wilson Chief Financial Officer | Sep 2, 2026 | Sale | −773 | $121.83 | $94.17K | 34,887 |
| Chad Patterson CHIEF COMM & PRODUCT OFFICER | Aug 10, 2026 | Sale | −7,093 | $124.65 | $884.14K | 62,125 |
| Minang Turakhia CHIEF MED/SCI OFCR EVP ADVTECH | Aug 10, 2026 | Sale | −7,093 | $124.65 | $884.14K | 60,116 |
| Sumi Shrishrimal EVP, Chief Risk Officer | Aug 10, 2026 | Sale | −5,372 | $124.65 | $669.62K | 44,621 |
| Quentin S. Blackford President and CEO, Director | Aug 10, 2026 | Sale | −26,859 | $124.65 | $3.35M | 226,008 |
| Patrick Michael Murphy CBO and CLO | Aug 10, 2026 | Sale | −7,093 | $124.65 | $884.14K | 69,699 |
| Chad Patterson CHIEF COMM & PRODUCT OFFICER | Aug 7, 2026 | Award | +13,589 | – | – | 69,218 |
| Minang Turakhia CHIEF MED/SCI OFCR EVP ADVTECH | Aug 7, 2026 | Award | +13,589 | – | – | 67,209 |
| Sumi Shrishrimal EVP, Chief Risk Officer | Aug 7, 2026 | Award | +9,706 | – | – | 49,993 |
| Quentin S. Blackford President and CEO, Director | Aug 7, 2026 | Award | +48,534 | – | – | 252,867 |
| Patrick Michael Murphy CBO and CLO | Aug 7, 2026 | Award | +13,589 | – | – | 76,792 |
| Julianne Rodda EVP, CHIEF PEOPLE OFFICER | Aug 3, 2026 | Sale | −2,112 | $122.12 | $257.92K | 18,201 |
| Chad Patterson CHIEF COMM & PRODUCT OFFICER | Aug 3, 2026 | Sale | −2,712 | $122.12 | $331.19K | 55,629 |
| Mervin Smith EVP Strategic Business Ops | Aug 3, 2026 | Sale | −617 | $122.12 | $75.35K | 22,410 |
| Minang Turakhia CHIEF MED/SCI OFCR EVP ADVTECH | Jul 2, 2026 | Sale | −1,423 | $124.71 | $177.46K | 53,620 |
| Sean Clinton Freeman EVP, Strategy & Corp Devt | Jul 2, 2026 | Sale | −918 | $124.71 | $114.48K | 13,641 |
| Sumi Shrishrimal EVP, Chief Risk Officer | Jun 2, 2026 | Sale | −1,716 | $108.19 | $185.65K | 40,287 |
| Marc Wade Rosenbaum Chief Accounting Officer | Jun 2, 2026 | Sale | −729 | $108.19 | $78.87K | 16,155 |
| Sumi Shrishrimal EVP, Chief Risk Officer | May 29, 2026 | Award | +133 | $96.82 | $12.88K | 42,003 |
| Marc Wade Rosenbaum Chief Accounting Officer | May 29, 2026 | Award | +178 | $96.82 | $17.23K | 16,884 |
| Sean Clinton Freeman EVP, Strategy & Corp Devt | May 29, 2026 | Award | +273 | $96.82 | $26.43K | 14,559 |
| Chad Patterson CHIEF COMM & PRODUCT OFFICER | May 29, 2026 | Award | +177 | $96.82 | $17.14K | 58,341 |
| Quentin S. Blackford President and CEO, Director | May 29, 2026 | Award | +178 | $96.82 | $17.23K | 204,333 |
| Minang Turakhia CHIEF MED/SCI OFCR EVP ADVTECH | May 29, 2026 | Award | +137 | $96.82 | $13.26K | 55,043 |
| Karen K. McGinnis Director | May 27, 2026 | Award | +1,573 | – | – | 3,608 |
| Merz Cathleen Noel Bairey Director | May 27, 2026 | Award | +1,573 | – | – | 10,546 |
| Bruce G. Bodaken Director | May 27, 2026 | Award | +1,573 | – | – | 14,211 |
| Brian B. Yoor Director | May 27, 2026 | Award | +1,573 | – | – | 7,171 |
| Abhijit Y. Talwalkar Director | May 27, 2026 | Award | +1,573 | – | – | 21,872 |
| Karen Ling Director | May 27, 2026 | Award | +1,573 | – | – | 11,141 |
| Kevin C. Oboyle Director | May 27, 2026 | Award | +1,573 | – | – | 3,608 |
| Abhijit Y. Talwalkar Director | May 11, 2026 | Sale(10b5-1 plan) | −2,293 | $118.02 | $270.62K | 21,736 |
| Abhijit Y. Talwalkar Director | May 11, 2026 | Buy | +5,312 | $10.71 | $56.89K | 25,611 |
| Abhijit Y. Talwalkar Director | May 11, 2026 | Sale(10b5-1 plan) | −940 | $116.05 | $109.09K | 24,671 |
| Abhijit Y. Talwalkar Director | May 11, 2026 | Sale(10b5-1 plan) | −290 | $120.53 | $34.95K | 20,299 |
| Abhijit Y. Talwalkar Director | May 11, 2026 | Sale(10b5-1 plan) | −1,147 | $119.16 | $136.68K | 20,589 |
| Abhijit Y. Talwalkar Director | May 11, 2026 | Sale(10b5-1 plan) | −642 | $116.98 | $75.10K | 24,029 |
| Brian Lee Lawrence Chief Technology Officer | May 4, 2026 | Sale | −1,014 | $120.80 | $122.49K | 20,154 |
| Mervin Smith EVP Strategic Business Ops | Mar 16, 2026 | Sale(10b5-1 plan) | −2,585 | $114.30 | $295.47K | 23,027 |
| Jason H. Patten Director | Mar 12, 2026 | Award | +2,218 | – | – | 4,436 |
| Quentin S. Blackford President and CEO, Director | Mar 2, 2026 | Sale | −4,347 | $128.44 | $558.33K | 213,621 |
| Quentin S. Blackford President and CEO, Director | Mar 2, 2026 | Sale | −5,423 | $128.44 | $696.53K | 204,155 |
| Quentin S. Blackford President and CEO, Director | Mar 2, 2026 | Sale | −4,043 | $128.44 | $519.28K | 209,578 |
| Sumi Shrishrimal EVP, Chief Risk Officer | Mar 2, 2026 | Sale | −978 | $128.44 | $125.61K | 41,870 |
| Sumi Shrishrimal EVP, Chief Risk Officer | Mar 2, 2026 | Sale | −946 | $128.44 | $121.50K | 43,754 |
| Sumi Shrishrimal EVP, Chief Risk Officer | Mar 2, 2026 | Sale | −906 | $128.44 | $116.37K | 42,848 |
| Daniel G. Wilson Chief Financial Officer | Mar 2, 2026 | Sale | −755 | $128.44 | $96.97K | 38,300 |
| Daniel G. Wilson Chief Financial Officer | Mar 2, 2026 | Sale | −815 | $128.44 | $104.68K | 37,485 |
| Daniel G. Wilson Chief Financial Officer | Mar 2, 2026 | Sale | −564 | $128.45 | $72.45K | 36,921 |
| Daniel G. Wilson Chief Financial Officer | Mar 2, 2026 | Sale | −1,261 | $128.45 | $161.98K | 35,660 |
| Minang Turakhia CHIEF MED/SCI OFCR EVP ADVTECH | Mar 2, 2026 | Sale | −1,310 | $128.45 | $168.27K | 56,136 |
| Minang Turakhia CHIEF MED/SCI OFCR EVP ADVTECH | Mar 2, 2026 | Sale | −1,230 | $128.45 | $157.99K | 54,906 |
| Minang Turakhia CHIEF MED/SCI OFCR EVP ADVTECH | Mar 2, 2026 | Sale | −1,487 | $128.45 | $191.01K | 57,446 |
| Marc Wade Rosenbaum Chief Accounting Officer | Mar 2, 2026 | Sale | −417 | $128.45 | $53.56K | 16,706 |
| Marc Wade Rosenbaum Chief Accounting Officer | Mar 2, 2026 | Sale | −399 | $128.45 | $51.25K | 17,123 |
| Patrick Michael Murphy CBO and CLO | Mar 2, 2026 | Sale | −1,139 | $128.45 | $146.30K | 63,203 |
| Patrick Michael Murphy CBO and CLO | Mar 2, 2026 | Sale | −2,028 | $128.44 | $260.48K | 65,532 |
| Patrick Michael Murphy CBO and CLO | Mar 2, 2026 | Sale | −1,190 | $128.44 | $152.84K | 64,342 |
| Chad Patterson CHIEF COMM & PRODUCT OFFICER | Mar 2, 2026 | Sale | −3,030 | $128.44 | $389.17K | 58,164 |
| Chad Patterson CHIEF COMM & PRODUCT OFFICER | Mar 2, 2026 | Sale | −1,414 | $128.44 | $181.61K | 61,194 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Y. Talwalkar Abhijit Director | May 11, 2026 | 5,312 | $626.43K | May 11, 2026 | Stock Option Exercise |
| Smith Mervin Officer | Mar 16, 2026 | 2,585 | $295.47K | Mar 16, 2026 | Performance Shares |
| Smith Mervin Officer | Feb 24, 2026 | 732 | $103.15K | Feb 24, 2026 | Restricted Stock |
| Rosenbaum Marc Officer | Feb 24, 2026 | 280 | $39.45K | Feb 24, 2026 | Employee Stock Purchase Plan |
| Y. Talwalkar Abhijit Director | Feb 23, 2026 | 5,312 | $773.98K | Feb 23, 2026 | Stock Option Exercise |
| Patterson Chad Officer | Dec 2, 2025 | 280 | $51.75K | Dec 2, 2025 | Employee Stock Purchase Plan |
| Y. Talwalkar Abhijit Director | Nov 10, 2025 | 5,312 | $924.96K | Nov 10, 2025 | Stock Option Exercise |
| Wilson Daniel Officer | Oct 31, 2025 | 8,000 | $1.66M | Oct 31, 2025 | Restricted Stock |
| Wilson Daniel Officer | Sep 3, 2025 | 5,000 | $875.00K | Sep 3, 2025 | Restricted Stock |
| Shrishrimal Sumi Officer | Aug 22, 2025 | 653 | $109.13K | Aug 22, 2025 | Restricted Stock |
| Rosenbaum Marc Officer | Aug 11, 2025 | 226 | $35.92K | Aug 11, 2025 | Employee Stock Purchase Plan |
| Y. Talwalkar Abhijit Director | Aug 11, 2025 | 5,312 | $839.38K | Aug 11, 2025 | Stock Option Exercise |
| Patterson Chad Officer | Aug 6, 2025 | 2,555 | $406.17K | Aug 6, 2025 | Restricted Stock |
| Blackford Quentin Officer, Director | Aug 5, 2025 | 30,000 | $4.82M | Aug 5, 2025 | Restricted Stock |
| Jeffrey Rubash Mark Director | Aug 5, 2025 | 15,000 | $2.41M | Aug 5, 2025 | Stock Option Exercise |