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IRTC · Healthcare

Irhythm Holdings Inc

USA Healthcare Filing: 2026-03-31
19/100
Smart-money confidence1 of 3 sources positive
Bearish — money moving out

No standout activity across the feeds we track.

Hedge funds
26
Congress
No data
Insiders
No data
Cross-source blend of hedge-fund breadth, Congress trades, and insider Form 4s.  ·  how the score works
Market cap
$4.0B
Industry
Medical Devices
Sector
Healthcare
Exchange
NasdaqGS
About IRHYTHM HOLDINGS INC

iRhythm Holdings, Inc., a digital healthcare company, engages in the design, development, and commercialization of device-based technology that provides ambulatory cardiac monitoring services to diagnose arrhythmias in the United States. The company offers Zio ambulatory cardiac monitoring services, including long-term and short-term continuous monitoring and mobile cardiac telemetry monitoring services. It also provides Zio Monitor System, a prescription-only remote electrocardiogram (ECG) monitoring system consisting a patch ECG monitor that records the electric signal from the heart…

Who's behind the signal
Every informed buyer we can see on IRTC, across all three feeds.
Hedge funds · 5
Citadel Advisors New position
Point72 (Steve Cohen) Increased +173%
D.E. Shaw & Co Increased +54%
AQR Capital Management Decreased −14%
Congress · 0
No congressional trades on record.
Insiders
No significant Form 4 insider activity in the window.
Congressional trades · 1 on record
Disclosures from 2019-06-24 to 2019-06-24
The newest disclosure we hold for this stock is 2019-06-24. That is the end of our data, not necessarily the end of the trading — our bulk STOCK Act archive stops there and newer filings arrive through a separate live feed. Treat the absence of recent rows as “not covered”, not as “no trades”.
Trade date Member Chamber Action Amount
2019-06-24 Donna E. Shalala · D-FL House Sold $1,001 - $15,000
Not a model pick — but on our radar. IRHYTHM HOLDINGS INC isn't in the top-10 model right now, but 5 tracked investors hold it. Everything below is real signal from public filings — treat this as a watch candidate, not a conviction call.
5
Investors
1
New positions
3
Increasing
1
Decreasing
0
Unchanged
Price History
Loading price data...
Return: High: Low:
Who's Holding This Stock
Position sizes and recent activity from tracked institutional investors
Trust weight: 1.0×
New position
% of portfolio
0.0%
Position change
NEW
0.0% of Citadel Advisors's portfolio
Trust weight: 1.0×
Increased +95%
% of portfolio
0.1%
Position change
+95%
0.1% of Millennium Management's portfolio
Trust weight: 1.1×
Increased +173%
% of portfolio
0.1%
Position change
+173%
0.1% of Point72's portfolio
Trust weight: 1.0×
Increased +54%
% of portfolio
0.1%
Position change
+54%
0.1% of D.E. Shaw & Co's portfolio
Trust weight: 1.0×
Decreased −14%
% of portfolio
0.0%
Position change
−14%
0.0% of AQR Capital Management's portfolio
Portfolio Allocation
How much of each investor's portfolio is allocated to IRHYTHM HOLDINGS INC
⚠ Disclaimer: This page is for informational purposes only. Holdings data from SEC EDGAR 13F filings, delayed up to 135 days. Not a recommendation to buy or sell IRHYTHM HOLDINGS INC or any security.

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