IRHYTHM TECHNOLOGIES INC

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IRTC·450056106·US·Common Stock·Healthcare - Medical Devices-13D/G

IRTC (IRHYTHM TECHNOLOGIES INC) is held by 157 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($355.1M), RTW INVESTMENTS, LP ($259.6M), VANGUARD PORTFOLIO MANAGEMENT LLC ($227.7M). Net institutional sentiment: Mixed.

157

Holders

(13 Elite)

$3.6B

Total Value

52% (163)

Consensus

85 buying - 78 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)57

Insider (Form 4)37

Activist (13D/13G)54

Congressional (STOCK Act)64

Holder Quality

17

★★★★★

Elite

61

★★★★

Strong

25

★★★

Solid

63

★★

Below

30

★

Weak

Held by 157 funds

13 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders May 5, 2026 · Activists Aug 14, 2026 · Congress none

ActivistRTW Investments, LP6.6%Aug 14, 2026

ActivistArtisan Partners Asset Management Inc.5.1%Aug 13, 2026

ActivistRTW Investments, LP5.2%May 15, 2026

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Top Holders

Top Holders (157)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	3M(+8.9%)	$355.1M	0.0%	+26.94%	34
RTW INVESTMENTS, LP	Increased	2.2M(+30.8%)	$259.6M	2.2%	-22.01%	67
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	1.9M(+6.5%)	$227.7M	0.0%	-5.00%	33
Artisan Partners Limited Partnership	Increased	1.7M(+14.4%)	$197.5M	0.3%	+12.97%	42
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	1.5M(+1.2%)	$174M	0.0%	-5.26%	31
MILLENNIUM MANAGEMENT LLC	Decreased	1.4M(-12.5%)	$167.3M	0.1%	-15.09%	0
FMR LLC	Decreased	1.2M(-12.5%)	$141.8M	0.0%	-1.16%	0
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	Decreased	944,517(-9.8%)	$112.4M	0.0%	-6.78%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	881,899(+7.9%)	$104.9M	0.0%	+11.65%	32
BNP Paribas Asset Management Holding S.A.	Increased	866,528(+13.7%)	$103.1M	0.1%	+6.49%	41
STATE STREET CORP	Increased	856,517(+8.7%)	$101.9M	0.0%	+10.91%	33
Holocene Advisors, LP	Decreased	783,636(-37.2%)	$93.2M	0.2%	-18.92%	0
JPMORGAN CHASE & CO	Increased	766,216(+7.2%)	$90.9M	0.0%	+2.02%	32
FULLER & THALER ASSET MANAGEMENT, INC.	Increased	685,496(+1.6%)	$81.5M	0.2%	-18.93%	36
DED. E. Shaw & Co., Inc.	Increased	629,686(+13.6%)	$74.9M	0.0%	-17.57%	34
MANUFACTURERS LIFE INSURANCE COMPANY, THE	Increased	561,251(+43.7%)	$66.8M	0.1%	+1.30%	40
BLAIR WILLIAM & CO/IL	Decreased	524,690(-16.5%)	$62.4M	0.2%	+5.96%	0
BANK OF AMERICA CORP /DE/	Increased	465,719(+7.7%)	$55.4M	0.0%	+14.01%	32
Polar Capital Holdings Plc	Increased	458,089(+8.7%)	$54.5M	0.1%	-22.89%	38
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Decreased	450,865(-22.6%)	$53.6M	0.0%	-30.03%	0

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer