IRHYTHM HOLDINGS INC IRTC

US Healthcare Surgical & Medical Instruments & Apparatus
$126.48
+1.6%
52w: $101.79 – $189.25

Latest 13F among current holders filed 11 days ago (Jun 24, 2026)

Price — last 12 months

research preview data
101.79145.52189.25
Jun 20, 2025 Jul 2, 2026
Institutional holders
307
-30 QoQ
13F value
$4.24B
-33.4% QoQ
Smart-money holders
18
signal tier ≥ 2
New smart buyers
4
Q1 2026
Options barometer
1.4×
$11.5M calls / $8.5M puts

Institutional value by quarter

$4.20B
Q1 2024
$3.93B
Q2 2024
$2.56B
Q3 2024
$3.27B
Q4 2024
$3.78B
Q1 2025
$5.34B
Q2 2025
$6.05B
Q3 2025
$6.37B
Q4 2025
$4.24B
Q1 2026

Number of holders

254
Q1 2024
229
Q2 2024
243
Q3 2024
228
Q4 2024
258
Q1 2025
306
Q2 2025
338
Q3 2025
337
Q4 2025
307
Q1 2026

Who owns IRTC?

Q1 2026 filings
FundTypeSharesValue% of fundChange
BlackRock, Inc. Index provider2.7M$323.6M0.0%-2.6%
VANGUARD PORTFOLIO MANAGEMENT LLC Diversified mechanical1.8M$212.0M0.0%
RTW INVESTMENTS, LP ★2Fundamental diversified1.7M$196.9M2.0%+41.2%
MILLENNIUM MANAGEMENT LLC Multistrat pod1.6M$189.8M0.1%+94.6%
Artisan Partners Limited Partnership Other1.5M$171.2M0.3%-4.0%
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical1.4M$170.6M0.0%
FMR LLC Long only active1.4M$160.7M0.0%+116.6%
Holocene Advisors, LP Other1.2M$147.4M0.4%+82.7%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Bank broker1.0M$123.6M0.0%+26.2%
GEODE CAPITAL MANAGEMENT, LLC Index provider817.1K$96.5M0.0%-4.8%
STATE STREET CORP Index provider788.3K$93.0M0.0%+3.1%
BNP PARIBAS ASSET MANAGEMENT Holding S.A. Bank broker762.1K$89.9M0.1%+30.7%
EVENTIDE ASSET MANAGEMENT, LLC Other760.8K$89.8M1.5%+9.9%
JPMORGAN CHASE & CO Bank broker714.9K$81.6M0.0%-5.8%
FULLER & THALER ASSET MANAGEMENT, INC. Other674.7K$79.6M0.3%-47.2%
BLAIR WILLIAM & CO/IL Diversified mechanical628.4K$74.2M0.2%-12.6%
BRAIDWELL LP ★2Fundamental diversified610.2K$72.0M2.7%+180.7%
Point72 Asset Management, L.P. Multistrat pod599.4K$70.7M0.1%+173.1%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Quant stat arb582.9K$68.8M0.0%-4.0%
Stephens Investment Management Group LLC Other561.5K$66.3M0.9%+8.1%
D. E. Shaw & Co., Inc. Quant stat arb554.3K$65.4M0.1%+53.7%
Capital Research Global Investors Long only active509.6K$60.1M0.0%-57.0%
Allspring Global Investments Holdings, LLC Diversified mechanical467.1K$55.2M0.1%+14.7%
BANK OF AMERICA CORP /DE/ Bank broker432.5K$51.0M0.0%+21.9%
Polar Capital Holdings Plc Other421.6K$49.8M0.2%+36.8%
MANUFACTURERS LIFE INSURANCE COMPANY, THE Diversified mechanical390.6K$46.1M0.0%+99.2%
MACKENZIE FINANCIAL CORP Diversified mechanical371.5K$43.8M0.1%+7.0%
LOOMIS SAYLES & CO L P Other367.9K$43.4M0.1%-6.2%
GOLDMAN SACHS GROUP INC Bank broker348.6K$41.1M0.0%+5.9%
Ophir Asset Management Pty Ltd ★2Fundamental concentrated335.8K$39.6M4.6%+163.0%
Invesco Ltd. Index provider297.5K$35.1M0.0%-40.3%
NORTHERN TRUST CORP Index provider285.1K$33.6M0.0%+2.2%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Index provider281.9K$33.3M0.0%-1.5%
FRED ALGER MANAGEMENT, LLC Other280.0K$33.1M0.1%-9.8%
Assenagon Asset Management S.A. Diversified mechanical270.2K$31.9M0.1%+20.0%
Rock Springs Capital Management LP ★2Fundamental diversified261.8K$30.9M1.8%+11.4%
SCHRODER INVESTMENT MANAGEMENT GROUP Diversified mechanical247.7K$28.3M0.0%+52.9%
MORGAN STANLEY Bank broker237.8K$28.1M0.0%+39.9%
AMERIPRISE FINANCIAL INC Bank broker236.8K$27.9M0.0%+91.5%
CITIGROUP INC Bank broker232.1K$27.4M0.0%+22.0%
Qube Research & Technologies Ltd Quant stat arb226.9K$26.8M0.0%+56.9%
VANGUARD FIDUCIARY TRUST CO Diversified mechanical223.7K$26.4M0.0%
DEUTSCHE BANK AG\ Bank broker215.8K$25.5M0.0%+15.0%
SEI INVESTMENTS CO Diversified mechanical198.9K$23.5M0.0%-2.2%
Balyasny Asset Management L.P. Multistrat pod194.4K$22.9M0.0%+16.2%
BARCLAYS PLC Bank broker188.3K$22.2M0.0%-2.9%
TUDOR INVESTMENT CORP ET AL Quant stat arb20.0M$22.0M0.1%New
BAMCO INC /NY/ Other183.9K$21.7M0.1%New
NEXT CENTURY GROWTH INVESTORS LLC Other169.3K$20.0M1.4%-2.0%
First Light Asset Management, LLC ★3Fundamental concentrated168.1K$19.8M1.8%+9.3%

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