Security key
450056106
iRhythm Holdings, Inc. - Common Stock, $0.001 par value (IRTC)
CUSIP: 450056106
Q4 2024 13F Holders as of 31 Dec 2024
- Security type / class
- Equity / Common Stock, $0.001 par value
- Total 13F shares
- 34,327,817
- Total 13F value
- $3,094,792,701
- Share change
- -6,843
- Put/Call ratio
- 192%
- SEC-reported price per share
- $90.17
- Number of holders
- 226
- Value change
- +$24,985,709
- Number of buys
- 98
- Number of sells
- 133
- Shares outstanding
- 32,086,538
Holder snapshot
7 signals
Show 1 more signal
Security identity
Who this page is about.
1 source field
Report period
Q4 2024
Institutions
226
Top holders
10
IRTC full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2025
Previous quarter: Q3 2024
iRhythm Holdings, Inc. SEC filings
iRhythm Holdings, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 450056106
Recent filing periods:
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
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
30 Sep 2024
13F
Lead comparable stake: 9.7%
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC leads the comparable SEC ownership view at 9.7%.
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 VANGUARD GROUP INC's linked filing trail.
Comparable ownership
Top 5
VANGUARD GROUP INC
9.7%
Artisan Partners Limited Partnership
8.7%
BlackRock, Inc.
8%
SANDS CAPITAL MANAGEMENT, LLC
6.6%
Capital Research Global Investors
6.1%
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 |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
Company
|
9.7%
|
$231,474,976
3,117,928 shares
|
— | 30 Sep 2024 |
| Artisan Partners Limited Partnership |
13F
Company
|
8.7%
|
$206,406,428
2,780,259 shares
|
— | 30 Sep 2024 |
| BlackRock, Inc. |
13F
Company
|
8%
|
$190,028,043
2,559,645 shares
|
— | 30 Sep 2024 |
| SANDS CAPITAL MANAGEMENT, LLC |
13F
Company
|
6.6%
|
$157,603,428
2,122,891 shares
|
— | 30 Sep 2024 |
| Capital Research Global Investors |
13F
Company
|
6.1%
|
$145,139,200
1,955,000 shares
|
— | 30 Sep 2024 |
| MACKENZIE FINANCIAL CORP |
13F
Company
|
4.4%
|
$105,408,476
1,419,834 shares
|
— | 30 Sep 2024 |
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 Q4 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
226
Shares
34,327,817
Rows available
226
| 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 Q4 2024 vs Q3 2024 Across Filers
Q3 2024 holders
240
Q4 2024 holders
226
Holder diff
-14
| Investor | Q3 2024 Shares | Q4 2024 Shares | Share Diff | Share Chg % | Q3 2024 value | Q4 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend