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iRhythm Holdings
IRTC
IRTC
334 hedge funds and large institutions have $6.24B invested in iRhythm Holdings in 2025 Q4 according to their latest regulatory filings, with 46 funds opening new positions, 109 increasing their positions, 122 reducing their positions, and 42 closing their positions.
New
Increased
Maintained
Reduced
Closed
1.14% more ownership
Funds ownership: 108.02% → 109.16% (+1.1%)
10% more first-time investments, than exits
New positions opened: 46 | Existing positions closed: 42
5% more capital invested
Capital invested by funds: $5.96B → $6.24B (+$278M)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
1% less funds holding
Funds holding: 337 → 334 (-3)
11% less repeat investments, than reductions
Existing positions increased: 109 | Existing positions reduced: 122
67% less call options, than puts
Call options by funds: $7M | Put options by funds: $21.3M
Holders
334
Holders Change
-3
Holders Change %
-0.89%
% of All Funds
4.06%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
46
Increased
109
Reduced
122
Closed
42
Calls
$7M
Puts
$21.3M
Net Calls
-$14.3M
Net Calls Change
+$5.32M
Top Buyers
| 1 |
RI
RTW Investments
New York
|
+$209M |
| 2 |
Millennium Management
New York
|
+$97.2M |
| 3 |
JP Morgan Chase
New York
|
+$56.6M |
| 4 |
UBS AM
Chicago,
Illinois
|
+$46M |
| 5 |
Holocene Advisors
New York
|
+$37.3M |
Top Sellers
| 1 |
Artisan Partners
Milwaukee,
Wisconsin
|
-$187M |
| 2 |
Sands Capital Management
Arlington,
Virginia
|
-$95.1M |
| 3 |
CIP
Champlain Investment Partners
Burlington,
Vermont
|
-$62.9M |
| 4 |
Man Group
London,
United Kingdom
|
-$26.6M |
| 5 |
Point72 Asset Management
Stamford,
Connecticut
|
-$22.8M |