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iRhythm Holdings
IRTC
IRTC
304 hedge funds and large institutions have $4.19B invested in iRhythm Holdings in 2026 Q1 according to their latest regulatory filings, with 45 funds opening new positions, 111 increasing their positions, 105 reducing their positions, and 69 closing their positions.
New
Increased
Maintained
Reduced
Closed
33% more call options, than puts
Call options by funds: $12M | Put options by funds: $8.98M
6% more repeat investments, than reductions
Existing positions increased: 111 | Existing positions reduced: 105
0.77% more ownership
Funds ownership: 109.16% → 109.93% (+0.77%)
9% less funds holding
Funds holding: 334 → 304 (-30)
33% less capital invested
Capital invested by funds: $6.24B → $4.19B (-$2.05B)
35% less first-time investments, than exits
New positions opened: 45 | Existing positions closed: 69
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
Holders
304
Holders Change
-30
Holders Change %
-8.98%
% of All Funds
3.74%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
45
Increased
111
Reduced
105
Closed
69
Calls
$12M
Puts
$8.98M
Net Calls
+$2.97M
Net Calls Change
+$17.3M
Top Buyers
| 1 |
Millennium Management
New York
|
+$113M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$106M |
| 3 |
Holocene Advisors
New York
|
+$81.5M |
| 4 |
RI
RTW Investments
New York
|
+$70.2M |
| 5 |
B
Braidwell
Stamford,
Connecticut
|
+$56.7M |
