iRhythm Technologies, Inc.· IRTC

🇺🇸 US · MidBroad USNASDAQ

HealthcareMedical - DevicesWebsite

Price: $127.13
Day: +1.98%
Mkt Cap: $4.18B
52W Range: $100.85 – $212.00
Volume: 636.4K
Beta: 1.27

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

Blog

stockoscope.com

iRhythm Technologies, Inc.

IRTC|Healthcare|Medical - Devices

Current price: $127

Smart Money

Dimension 5 of 5

Insider Activity, Q3 2026

Latest scored quarter, net flow, and top transactions by value

Net dollar flow-$291.9K

Net share flow-2.3K

Purchases0 ($0)

Sales2 ($291.9K)

Top Notable Transactions

Insider

Type

Value

Date

Blackford Quentin S.

Sale

$3.5M

Feb 25

Blackford Quentin S.

Sale

$3.0M

Feb 29

Blackford Quentin S.

Sale

$2.6M

Nov 3

Institutional Ownership, Q1 2026

Ownership share, position changes, share flow, and top holders

Ownership111.0%

13F share flow-48.8%

Investors holding315

+197 adding-183 reducing

154

107

New 43Inc 154Red 107Closed 76

Top Institutional Holders

Institution

Value

Change

BLACKROCK, INC.

$323.6M

-2.1%

RTW INVESTMENTS, LP

$196.9M

+41.9%

MILLENNIUM MANAGEMENT LLC

$189.8M

+95.6%

ARTISAN PARTNERS LIMITED PARTNERSHIP

$171.2M

-3.5%

ETF & Mutual Fund Activity, Q2 2026

Latest meaningful quarter: fund-by-fund buying / unchanged / selling

Funds reporting147

Total shares held7.7M

Share flow-10.8%

30 buying27 selling

Buying 30Unchanged 90Selling 27

Top Fund Holders

Fund

Weight

Change

FIDELITY SELECT PORTFOLIOS

630.0K

1.13%

+262.0K

FIDELITY CONCORD STREET TRUST

296.3K

0.11%

+104

SCHWAB STRATEGIC TRUST

176.0K

0.06%

-1.7K

MFS SERIES TRUST I

111.0K

0.50%

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

Explore IRTC on stockoscope.com→

Generated August 5, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

IRTC Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

3.0/5

Neutral

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

Institutional Flow

50% weight

Fund Flow

10% weight

Overall Smart Money sentiment of 3.0/5 (Neutral) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated August 4, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Activity for IRTC

Net insider share flow by quarter (C-suite & director purchases minus sales)

Neutral

Routine insider selling in Q3 2026

2 sales totaling $291.9K (2.3K shares)

Share volume is well below the historical pace (0.0x average), insiders are holding more

Buying seen in 2 of 7 quarters

Notable Recent Transactions, IRTC

Top 8 highest-value recent insider trades

Blackford Quentin S.

CEO

Sell

25,540 shares at $135.42

Feb 25, 2026$3.46M

Blackford Quentin S.

CEO

Sell

24,701 shares at $121.96

Feb 29, 2024$3.01M

Blackford Quentin S.

CEO

Sell

14,059 shares at $182.94

Nov 3, 2025$2.57M

Blackford Quentin S.

CEO

Sell

22,252 shares at $112.13

Feb 26, 2025$2.50M

King Kevin M

CEO

Sell

9,724 shares at $255.19

Nov 12, 2020$2.48M

King Kevin M

CEO

Sell

9,659 shares at $256.16

Nov 12, 2020$2.47M

Vort David A

Officer

Sell

10,000 shares at $210.00

Dec 15, 2020$2.10M

Wilson Daniel G.

Officer

Sell

8,000 shares at $207.44

Oct 31, 2025$1.66M

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Ownership Over Time for IRTC

Total dollar value invested by institutions each quarter

Neutral

Mixed institutional activity in Q1 2026

111.0% institutional ownership

Balanced activity: 197 adding vs 183 reducing

13F shares increased by 1.0%, a modest change

Position Changes

Q2 2026: how are institutions adjusting their positions?

+44 growing-260 shrinkingNet: -216

243

New (12)

Increased (32)

Reduced (17)

Closed (243)

Top Institutional Holders, IRTC

Largest 8 institutional positions by ownership percentage as of Q2 2026

STEPHENS INVESTMENT MANAGEMENT GROUP LLC

693.4K

$82.5M

Ownership

2.13%

+23.5%

CITIGROUP INC

249.4K

$29.7M

Ownership

0.77%

+7.4%

MASSACHUSETTS FINANCIAL SERVICES CO /MA/

166.0K

$19.7M

Ownership

0.51%

-0.4%

NEW YORK STATE COMMON RETIREMENT FUND

93.0K

$11.1M

Ownership

0.29%

-9.4%

C WORLDWIDE GROUP HOLDING A/S

80.0K

$9.5M

Ownership

0.25%

No change

PEREGRINE CAPITAL MANAGEMENT LLC

75.7K

$9.0M

Ownership

0.23%

+15.0%

JENNISON ASSOCIATES LLC

67.9K

$8.1M

Ownership

0.21%

-50.4%

PRINCIPAL FINANCIAL GROUP INC

59.7K

$7.1M

Ownership

0.18%

+11.7%

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 147 ETFs and mutual funds reporting

30 buying27 sellingNet: +3

Buying (30)

Unchanged (90)

Selling (27)

Neutral

Mixed fund activity in Q2 2026

147 ETFs and mutual funds reporting

30 buying vs 27 selling (balanced)

Top Fund Holders, IRTC

Largest 8 ETF and mutual fund positions by shares held as of latest filing

FIDELITY SELECT PORTFOLIOS

630.0K

Weight

1.13%

Increased

FIDELITY CONCORD STREET TRUST

296.3K

Weight

0.11%

Increased

SCHWAB STRATEGIC TRUST

176.0K

Weight

0.06%

Decreased

MFS SERIES TRUST I

111.0K

Weight

0.50%

No change

FIDELITY ADVISOR SERIES I

88.6K

Weight

0.05%

Increased

AB PORTFOLIOS

64.5K

Weight

0.03%

No change

Fidelity Central Investment Portfolios LLC

50.0K

Weight

0.27%

No change

Goldman Sachs ETF Trust

28.4K

Weight

0.02%

Increased

iRhythm Technologies, Inc.· IRTC

Holdings Analysis

Insider Trading Activity

1.3Transaction History245Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings86Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History245Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings86Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights