Security key
450056106
iRhythm Holdings, Inc. - Common Stock, $0.001 par value (IRTC)
CUSIP: 450056106
Q3 2024 13F Holders as of 30 Sep 2024
- Security type / class
- Equity / Common Stock, $0.001 par value
- Total 13F shares
- 34,300,712
- Total 13F value
- $2,546,184,989
- Share change
- -1,317,999
- Put/Call ratio
- 41%
- SEC-reported price per share
- $74.24
- Number of holders
- 240
- Value change
- -$113,241,307
- Number of buys
- 129
- Number of sells
- 101
- 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
Q3 2024
Institutions
240
Top holders
10
IRTC full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2024
Previous quarter: Q2 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 Jun 2024
13F
Lead comparable stake: 9.3%
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC leads the comparable SEC ownership view at 9.3%.
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.
Comparable ownership
Top 5
VANGUARD GROUP INC
9.3%
Artisan Partners Limited Partnership
8.4%
BlackRock Finance, Inc.
7.8%
Capital Research Global Investors
7.8%
SANDS CAPITAL MANAGEMENT, LLC
6.6%
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
|
9.3%
|
$320,941,684
2,981,621 shares
|
— | 30 Jun 2024 |
| Artisan Partners Limited Partnership |
13F
Company
|
8.4%
|
$289,044,077
2,685,285 shares
|
— | 30 Jun 2024 |
| BlackRock Finance, Inc. |
13F
Company
|
7.8%
|
$269,353,278
2,502,353 shares
|
— | 30 Jun 2024 |
| Capital Research Global Investors |
13F
Company
|
7.8%
|
$268,501,414
2,494,439 shares
|
— | 30 Jun 2024 |
| SANDS CAPITAL MANAGEMENT, LLC |
13F
Company
|
6.6%
|
$228,842,963
2,126,003 shares
|
— | 30 Jun 2024 |
| MACKENZIE FINANCIAL CORP |
13F
Company
|
4.5%
|
$153,744,795
1,428,324 shares
|
— | 30 Jun 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 Q3 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
240
Shares
34,300,712
Rows available
240
| 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 Q3 2024 vs Q2 2024 Across Filers
Q2 2024 holders
227
Q3 2024 holders
240
Holder diff
13
| Investor | Q2 2024 Shares | Q3 2024 Shares | Share Diff | Share Chg % | Q2 2024 value | Q3 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend