iRhythm Holdings
IRTC
253 hedge funds and large institutions have $4B invested in iRhythm Holdings in 2024 Q1 according to their latest regulatory filings, with 52 funds opening new positions, 77 increasing their positions, 90 reducing their positions, and 21 closing their positions.
148% more first-time investments, than exits
New positions opened: 52 | Existing positions closed: 21
14% more funds holding
Funds holding: 222 → 253 (+31)
12% more capital invested
Capital invested by funds: $3.56B → $4B (+$443M)
2.94% more ownership
Funds ownership: 108.43% → 111.37% (+2.9%)
0% less call options, than puts
Call options by funds: $27.7M | Put options by funds: $27.7M
14% less repeat investments, than reductions
Existing positions increased: 77 | Existing positions reduced: 90
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Westfield Capital Management
Boston,
Massachusetts
|
+$56.5M |
| 2 |
Loomis, Sayles & Company
Boston,
Massachusetts
|
+$34.4M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$33.1M |
| 4 |
CIP
Champlain Investment Partners
Burlington,
Vermont
|
+$33M |
| 5 |
Schroder Investment Management Group
London,
United Kingdom
|
+$32.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SPPAM
Summit Partners Public Asset Management
Boston,
Massachusetts
|
-$44.4M |
| 2 |
Morgan Stanley
New York
|
-$43.9M |
| 3 |
SPC
Slate Path Capital
New York
|
-$37.8M |
| 4 |
LOM
LTS One Management
New York
|
-$37.5M |
| 5 |
Marshall Wace
London,
United Kingdom
|
-$22.4M |
IRTC Hedge Fund Activity: Q1 2024 in Review
253 of the 6,942 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q1 2024, worth a combined $4B — up 12% from $3.56B a quarter earlier.
Buyers outnumbered sellers: 52 funds opened new IRTC positions and 21 closed out — a net gain of 31 holders — while 77 added to existing stakes and 90 trimmed.
The largest buyer was Westfield Capital Management, opening a new position worth an estimated $56.5M. The largest seller was Summit Partners Public Asset Management, exiting entirely with an estimated $44.4M sold.
- 253 institutional investors held iRhythm Holdings (IRTC) as of Q1 2024, up from 222 in Q4 2023.
- Funds reported $4B of iRhythm Holdings stock for Q1 2024, up 12% quarter-over-quarter.
- 52 funds opened new iRhythm Holdings positions in Q1 2024 and 21 closed out, a net change of +31 holders.
- The largest iRhythm Holdings buyer in Q1 2024 was Westfield Capital Management, an estimated $56.5M added.
- The largest iRhythm Holdings seller in Q1 2024 was Summit Partners Public Asset Management, an estimated $44.4M sold.
Based on aggregated 13F filings for Q1 2024.