Irhythm Holdings Inc. (irtc 1.5 09/01/29)
13F holders, Q3 2025 (September 30)5holders +2
2new positions
0sold out
$2.02avg. 13F price*
At the end of Q3 2025, 5 institutions reported holding Irhythm Holdings Inc. (irtc 1.5 09/01/29) in their 13F filings, up 2 from Q2 2025. 2 opened new positions and 0 sold out. The largest holders were State of Wisconsin Investment Board ($4.1M), Loomis Sayles & Co. L P ($3.8M) and BNP PARIBAS ASSET MANAGEMENT Holding S.A. ($3.4M).
- Company
- Irhythm Holdings Inc. (irtc 1.5 09/01/29)
- CUSIP
- 450056AB2
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $3.8M |
| Exits | 0 | $0 |
All 13F filers, Q2 2025 → Q3 2025: 1,037,940 shares bought, net +1,037,940 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 5 holders
| State of Wisconsin Investment Board | 0.01% | Add +50.0% | 3,000,000 | $4.1M |
| Loomis Sayles & Co. L P | 0.00% | New | 21,940 | $3.8M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.01% | No change | 2,500,000 | $3.4M |
| Sei Investments Co. | 0.00% | No change | 269,000 | $369K |
| &partners | 0.00% | New | 16,000 | $22K |
"% of holder's portfolio" is IRHYTHM HOLDINGS INC (IRTC 1.5 09/01/29)'s weight in each manager's 13F, not the share of Irhythm Holdings Inc. (irtc 1.5 09/01/29) the manager owns.