iRhythm Holdings
IRTC
227 hedge funds and large institutions have $3.09B invested in iRhythm Holdings in 2024 Q4 according to their latest regulatory filings, with 41 funds opening new positions, 71 increasing their positions, 83 reducing their positions, and 52 closing their positions.
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
22% more capital invested
Capital invested by funds: $2.54B → $3.09B (+$550M)
0.06% less ownership
Funds ownership: 109.74% → 109.68% (-0.06%)
6% less funds holding
Funds holding: 241 → 227 (-14)
14% less repeat investments, than reductions
Existing positions increased: 71 | Existing positions reduced: 83
21% less first-time investments, than exits
New positions opened: 41 | Existing positions closed: 52
56% less call options, than puts
Call options by funds: $11.4M | Put options by funds: $25.8M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Sands Capital Management
Arlington,
Virginia
|
+$82.8M |
| 2 |
FLAM
First Light Asset Management
Edina,
Minnesota
|
+$33.8M |
| 3 |
OAM
Ophir Asset Management
Sydney,
Australia
|
+$33.6M |
| 4 |
Bessemer Group
Woodbridge,
New Jersey
|
+$23.6M |
| 5 |
FCM
Frontier Capital Management
Boston,
Massachusetts
|
+$21.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
-$92.1M |
| 2 |
Fiera Capital (Canada)
Montreal,
Quebec, Canada
|
-$28.3M |
| 3 |
Capital Research Global Investors
Los Angeles,
California
|
-$25M |
| 4 |
Point72 Asset Management
Stamford,
Connecticut
|
-$20.2M |
| 5 |
JP Morgan Chase
New York
|
-$18.3M |
IRTC Hedge Fund Activity: Q4 2024 in Review
227 of the 7,592 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q4 2024, worth a combined $3.09B — up 22% from $2.54B a quarter earlier.
Sellers outnumbered buyers: 52 funds closed out of IRTC and 41 opened new positions — a net loss of 11 holders — while 83 trimmed existing stakes and 71 added.
The largest buyer was Sands Capital Management, adding an estimated $82.8M. The largest seller was AllianceBernstein, cutting an estimated $92.1M.
- 227 institutional investors held iRhythm Holdings (IRTC) as of Q4 2024, down from 241 in Q3 2024.
- Funds reported $3.09B of iRhythm Holdings stock for Q4 2024, up 22% quarter-over-quarter.
- 41 funds opened new iRhythm Holdings positions in Q4 2024 and 52 closed out, a net change of -11 holders.
- The largest iRhythm Holdings buyer in Q4 2024 was Sands Capital Management, an estimated $82.8M added.
- The largest iRhythm Holdings seller in Q4 2024 was AllianceBernstein, an estimated $92.1M sold.
Based on aggregated 13F filings for Q4 2024.