Irhythm Holdings Inc. (irtc 1.5 09/01/29)
13F holders, Q4 2025 (December 31)10holders +5
5new positions
0sold out
$2.01avg. 13F price*
At the end of Q4 2025, 10 institutions reported holding Irhythm Holdings Inc. (irtc 1.5 09/01/29) in their 13F filings, up 5 from Q3 2025. 5 opened new positions and 0 sold out. The largest holders were State of Wisconsin Investment Board ($4.2M), Loomis Sayles & Co. L P ($3.9M) and BNP PARIBAS ASSET MANAGEMENT Holding S.A. ($3.5M).
- 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 Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $356K |
| Exits | 0 | $0 |
All 13F filers, Q3 2025 → Q4 2025: 314,000 shares bought, net +314,000 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 10 holders
| State of Wisconsin Investment Board | 0.01% | No change | 3,000,000 | $4.2M |
| Loomis Sayles & Co. L P | 0.00% | No change | 21,940 | $3.9M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | No change | 2,500,000 | $3.5M |
| Sei Investments Co. | 0.00% | No change | 269,000 | $375K |
| Bank of New York Mellon Corp | 0.00% | New | 200,000 | $197K |
| Oppenheimer Asset Management Inc. | 0.00% | New | 71,000 | $99K |
| Stephens Inc. | 0.00% | New | 21,000 | $29K |
| NewEdge Advisors, LLC | 0.00% | New | 20,000 | $28K |
| &partners | 0.00% | No change | 16,000 | $22K |
| CoreCap Advisors, LLC | 0.00% | New | 2,000 | $3K |
"% 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.