Who Owns iRhythm Technologies, Inc. (IRTC)?Hedge Fund & Institutional Holders
Institutional Holders
50
as of Q4 2025
Total Institutional Value
$InfinityT
% of Float Held
2.095059004374932e+295%
QoQ Change in Holders
+6 / -4
Price History
IRTC — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| Entropy Technologies, LP | Increased | +4K | +$1000.0B |
| FMR LLC | Increased | +5K | +$110.9B |
| MILLENNIUM MANAGEMENT LLC | Increased | +549K | +$98.2B |
| Stephens Investment Management Group LLC | New Position | +519K | +$92.1B |
| JPMORGAN CHASE & CO | Increased | +319K | +$56.4B |
| Holocene Advisors, LP | Increased | +210K | +$39.6B |
| BALYASNY ASSET MANAGEMENT L.P. | New Position | +167K | +$29.0B |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | New Position | +150K | +$26.7B |
| Assenagon Asset Management S.A. | Increased | +147K | +$26.6B |
| JENNISON ASSOCIATES LLC | New Position | +139K | +$24.7B |
| NEW YORK STATE COMMON RETIREMENT FUND | New Position | +130K | +$23.0B |
| Invesco Ltd. | Increased | +95K | +$19.1B |
| LOOMIS SAYLES & CO L P | Increased | +103K | +$18.2B |
| UBS Group AG | Increased | +100K | +$18.1B |
| FEDERATED HERMES, INC. | New Position | +106K | +$18.0B |
IRTC — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| Artisan Partners Limited Partnership | Decreased | -1.1M | -$173.6B |
| SANDS CAPITAL MANAGEMENT, LLC | Decreased | -536K | -$83.0B |
| Champlain Investment Partners, LLC | Closed Position | -366K | -$62.9B |
| Squarepoint Ops LLC | Decreased | -87K | -$31.1B |
| Qube Research & Technologies Ltd | Decreased | -22K | -$28.7B |
| TUDOR INVESTMENT CORP ET AL | Closed Position | -20.0M | -$27.5B |
| Man Group plc | Decreased | -150K | -$26.5B |
| ROYAL BANK OF CANADA | Decreased | -126K | -$22.7B |
| Point72 Asset Management, L.P. | Decreased | -129K | -$21.9B |
| MACKENZIE FINANCIAL CORP | Decreased | -108K | -$17.3B |
| Cubist Systematic Strategies, LLC | Closed Position | -89K | -$15.3B |
| Nuveen, LLC | Decreased | -83K | -$15.3B |
| Engineers Gate Manager LP | Decreased | -8K | -$14.6B |
| Jain Global LLC | Decreased | -76K | -$13.5B |
| PFM Health Sciences, LP | Closed Position | -65K | -$11.2B |
Top Institutional Holders(Q4 2025)
IRTC Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 331 | $4.7T | +80 |
| Q3 2025 | 251 | $3.6T | -10 |
| Q2 2025 | 261 | $2.6T | +9 |
| Q1 2025 | 252 | $2.8T | +38 |
| Q4 2024 | 214 | $2.1T | +9 |
| Q3 2024 | 205 | $137.7T | +11 |
| Q2 2024 | 194 | $181.6T | -11 |
| Q1 2024 | 205 | $605.2T | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 50 institutional investors hold IRTC (iRhythm Technologies, Inc.). The largest holder is Entropy Technologies, LP with $1.0T in shares. This quarter, 6 institutions opened new positions and 4 closed their positions.
Frequently Asked Questions
How many hedge funds own IRTC?
As of Q4 2025, 50 institutional investors report holding IRTC (iRhythm Technologies, Inc.) in their 13F filings.
Who is the largest institutional holder of IRTC?
The largest institutional holder of IRTC is Entropy Technologies, LP with $1.0T in shares.
Is institutional ownership of IRTC increasing or decreasing?
This quarter, 6 institutions opened new positions in IRTC and 4 closed their positions.