iRhythm Ownership | Who Owns iRhythm?
iRhythm Ownership Summary
iRhythm is owned by 76.94% institutional investors, 1.05% insiders, and 22.01% retail investors. Sands capital management is the largest institutional shareholder, holding 10.16% of IRTC shares. Sands Capital Global Growth Equity is the top mutual fund, with 9.35% of its assets in iRhythm shares.
IRTC Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | iRhythm | 76.94% | 1.05% | 22.01% |
| Sector | Healthcare Stocks | 57.39% | 9.93% | 32.68% |
| Industry | Medical Device Stocks | 40.18% | 9.93% | 49.89% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Sands capital management | 3.18M | 10.16% | $286.44M |
| Vanguard group | 3.14M | 10.03% | $282.81M |
| Artisan partners limited partnership | 2.76M | 8.84% | $249.12M |
| Blackrock funding, inc. /de | 2.73M | 8.73% | $246.06M |
| Blackrock | 2.50M | 8.03% | $269.35M |
| Capital research global investors | 1.64M | 5.24% | $147.61M |
| Mackenzie financial | 1.38M | 4.42% | $48.15M |
| State street | 896.85K | 2.88% | $96.54M |
| Bnp paribas asset management | 900.12K | 2.88% | $81.16M |
| Westfield capital management co lp | 765.25K | 2.45% | $69.00M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Ophir asset management pty | 427.40K | 5.74% | $38.54M |
| First light asset management | 430.50K | 3.71% | $38.82M |
| Braidwell lp | 705.39K | 1.89% | $63.61M |
| Kampmann melissa s. | 23.93K | 1.70% | $2.16M |
| Rock springs capital management lp | 397.50K | 1.36% | $35.84M |
| Eventide asset management | 739.41K | 1.21% | $66.66M |
| Sands capital management | 3.18M | 0.85% | $286.44M |
| Slate path capital lp | 510.50K | 0.83% | $46.03M |
| Stephens investment management group | 502.93K | 0.61% | $45.35M |
| Champlain investment partners | 726.26K | 0.41% | $65.49M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Sands capital management | 3.18M | 0.85% | 1.05M |
| First light asset management | 430.50K | 3.71% | 430.50K |
| Ophir asset management pty | 427.40K | 5.74% | 427.40K |
| Bessemer group | 568.01K | 0.08% | 299.73K |
| Frontier capital management | 355.15K | 0.30% | 278.74K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Alliancebernstein | 39.72K | 0.00% | -1.17M |
| Fiera capital | - | - | -381.64K |
| Capital research global investors | 1.64M | 0.03% | -317.97K |
| Point72 asset management | - | - | -272.08K |
| Lord, abbett | - | - | -241.68K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| First light asset management | 430.50K | 3.71% | 430.50K | $38.82M |
| Ophir asset management pty | 427.40K | 5.74% | 427.40K | $38.54M |
| Deerfield management company, l.p. (series c) | 156.01K | 0.27% | 156.01K | $14.07M |
| Raymond james financial | 101.49K | 0.00% | 101.49K | $9.15M |
| Adage capital partners gp | 100.00K | 0.02% | 100.00K | $9.02M |
Sold Out
| Holder | Change |
|---|---|
| Innealta capital | -2.00 |
| Financial gravity asset management | -2.00 |
| Westend capital management | -5.00 |
| Quest partners | -7.00 |
| International assets investment management | -8.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2024 | 147 | -44.11% | 24,053,140 | -29.85% | 76 | 0.64% | 71 | -47.79% | 51 | -23.88% |
| Sep 30, 2024 | 262 | 9.17% | 34,287,771 | -3.47% | 109 | 0.84% | 136 | 1.49% | 66 | 4.76% |
| Jun 30, 2024 | 240 | -10.45% | 35,520,791 | 3.71% | 114 | 0.94% | 134 | 3.08% | 63 | -30.77% |
| Mar 31, 2024 | 268 | 13.08% | 34,250,266 | 4.14% | 110 | 0.95% | 130 | 6.56% | 91 | 30.00% |
| Dec 31, 2023 | 237 | -2.87% | 32,889,650 | 0.91% | 107 | 0.95% | 122 | 2.52% | 70 | -5.41% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Sands Capital Global Growth Equity | 2.93M | 9.35% | 976.36K |
| Vanguard US Total Market Shares ETF | 1.01M | 3.21% | 68.62K |
| Canada Life US Small-Mid Cap Growth F | 1.00M | 3.19% | -41.02K |
| Canada Life US Small-Mid Cap Growth A | 1.00M | 3.19% | -41.02K |
| Vanguard Total Stock Mkt Idx Inv | 989.22K | 3.15% | 693.00 |
| American Funds SMALLCAP World A | 920.40K | 2.94% | -219.36K |
| iShares Russell 2000 ETF | 822.23K | 2.62% | -7.15K |
| Vanguard Small Cap Index | 799.09K | 2.54% | 651.00 |
| Sands Capital Global Growth A USD Acc | 679.65K | 2.16% | -64.73K |
| American Funds New Economy A | 627.56K | 2.01% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 03, 2025 | Blackford Quentin S. | President and CEO | Sell | $885.93K |
| Mar 03, 2025 | Rosenbaum Marc W. | Chief Accounting Officer | Sell | $34.15K |
| Mar 03, 2025 | Smith Mervin | EVP Strategic Business Ops | Sell | $69.40K |
| Mar 03, 2025 | Murphy Patrick Michael | CBO and CLO | Sell | $334.47K |
| Mar 03, 2025 | Patterson Chad | Chief Commercial Officer | Sell | $299.77K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q1 | - | 16 |
| 2024 Q4 | 1 | 2 |
| 2024 Q3 | - | 4 |
| 2024 Q2 | - | 2 |
| 2024 Q1 | - | 13 |
IRTC Ownership FAQ
Try Tickergate Pro Free
Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)
Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis
Discover trending investment themes
Find your next best investment
Research stocks using tools