IRTC iRhythm Holdings, Inc.: institutional ownership and insider trading
324 funds reported holding $4.88B of iRhythm Holdings, Inc. in their latest 13F filings; in Q2 2026 funds net bought $5.52M, with 40 new positions and 41 funds selling out; over the last 12 months insiders bought $56.9K and sold $29.6M on the open market; over its last four quarters it reported revenue of $825M and net income of −$14.4M.
IRTC revenue and earnings
- Quarter ended Jun 30, 2026: revenue $224M, net income −$381K, EPS -0.01
- Quarter ended Mar 31, 2026: revenue $199M, net income −$13.9M, EPS -0.43
- Quarter ended Dec 31, 2025: revenue $209M, net income $5.13M, EPS 0.18
- Quarter ended Sep 30, 2025: revenue $193M, net income −$5.21M, EPS -0.16
Famous investors holding IRTC
- Izzy Englander (Millennium Management): $167M, 0.1% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $76.1M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $4.58M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $16.3M, 0.0% of the portfolio
Largest institutional holders of IRTC
- VANGUARD GROUP INC — $587M
- BlackRock, Inc. (BLK) — $355M
- RTW INVESTMENTS, LP — $260M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $228M
- Artisan Partners Limited Partnership — $197M
- VANGUARD CAPITAL MANAGEMENT LLC — $174M
- MILLENNIUM MANAGEMENT LLC — $167M
- FMR LLC — $142M
- UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC — $112M
- GEODE CAPITAL MANAGEMENT, LLC — $105M
Recent IRTC insider trades
- Sep 2, 2026: Wilson Daniel G. sold 773 shares ($94.2K)
- Aug 10, 2026: Blackford Quentin S. sold 26,859 shares ($3.35M)
- Aug 10, 2026: Murphy Patrick Michael sold 7,093 shares ($884K)
- Aug 10, 2026: Patterson Chad sold 7,093 shares ($884K)
5%+ owners
- RTW Investments, LP: 6.6% (Schedule 13G/A, filed Aug 14, 2026)
- Vanguard Portfolio Management: 5.6% (Schedule 13G, filed Apr 28, 2026)
- Vanguard Capital Management: 5.2% (Schedule 13G, filed Apr 27, 2026)
- Artisan Partners Asset Management Inc.: 5.1% (Schedule 13G, filed Aug 13, 2026)
Who owns the most IRTC stock?
The largest institutional holders of iRhythm Holdings, Inc. in the latest 13F filings are VANGUARD GROUP INC ($587M), BlackRock, Inc. (BLK) ($355M), RTW INVESTMENTS, LP ($260M).
Are insiders buying or selling IRTC?
Over the last 12 months insiders bought $56.9K and sold $29.6M of iRhythm Holdings, Inc. stock on the open market (SEC Form 4).
Which famous investors own IRTC?
Izzy Englander, D. E. Shaw, Renaissance Technologies, Ken Griffin.
What was IRTC's revenue last quarter?
iRhythm Holdings, Inc. reported revenue of $224M for the quarter ended June 30, 2026, with net income of −$381K.
Which ETFs hold IRTC?
64 ETFs and mutual funds hold it among their top 100 positions, including ETAGX, FTXAX, BBGSX, FSMEX.