iRhythm Holdings, Inc. - Common Stock, $0.001 par value (IRTC)

CUSIP: 450056106

Q2 2025 13F Holders as of 30 Jun 2025

Security type / class
Equity / Common Stock, $0.001 par value
Total 13F shares
35,390,889
Total 13F value
$5,441,652,911
Holder snapshot 6 visible 7 signals
Share change
-776,071
Put/Call ratio
107%
SEC-reported price per share
$153.96
Number of holders
301
Value change
-$82,751,717
Number of buys
169
Open additional details 1 more signal available
Number of sells
112
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
32,086,538

Security key

450056106

Report period

Q2 2025

Institutions

301

Top holders

10

IRTC full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2025 Previous quarter: Q1 2025 iRhythm Holdings, Inc. SEC filings iRhythm Holdings, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of IRTC - iRhythm Holdings, Inc. - Common Stock, $0.001 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Capital Research Global I...
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
28 May 2025
13F 13D/G 3/4/5 Lead comparable stake: 4.7% 13D/G row: Capital Research Global Investors Showing 1-6 of 15 holder rows.

Quick read

Capital Research Global Investors leads the comparable SEC ownership view at 4.7%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Capital Research Global Investors's linked filing trail.
Comparable ownership Top 5
Capital Research Global Investors 4.7%
Mark J. Rubash 0.04%
Ralph Snyderman 0.04%
VANGUARD GROUP INC 9.7%
SANDS CAPITAL MANAGEMENT, LLC 9.4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Capital Research Global Investors
13F 13D/G
Company
13F 13D/G
4.7%
from 13D/G
$230,570,471
2,202,622 shares
 — 31 Mar 2025
Mark J. Rubash
3/4/5
Director
3/4/5
0.04%
$1,470,352
13,788 shares
 — 28 May 2025
Ralph Snyderman
3/4/5
Director
3/4/5
0.04%
$1,417,032
13,288 shares
 — 28 May 2025
VANGUARD GROUP INC
13F
Company
13F
9.7%
$325,365,747
3,108,194 shares
 — 31 Mar 2025
SANDS CAPITAL MANAGEMENT, LLC
13F
Company
13F
9.4%
$315,736,549
3,016,207 shares
 — 31 Mar 2025
Artisan Partners Limited Partnership
13F
Company
13F
8.8%
$294,598,830
2,814,280 shares
 — 31 Mar 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
301
Shares
35,390,889
Rows available
301
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders
254
Q2 2025 holders
301
Holder diff
47
Investor Q1 2025 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2025 value Q2 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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