9 institutions reported holding $3.4M of IRHYTHM HOLDINGS INC (IRTC) in SEC 13F filings for 2026-06-30. Largest institutional holders: Assenagon Asset Management S.A. ($2.6M), Hennion & Walsh Asset Management, Inc. ($418,823), Central Pacific Bank - Trust Division ($273,029), HARBOR INVESTMENT ADVISORY, LLC ($49,959), GAMMA Investing LLC ($22,006). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | $2.6M | 22,161 | Trimmed |
| 2 | Hennion & Walsh Asset Management, Inc. | $418,823 | 3,521 | Trimmed |
| 3 | Central Pacific Bank - Trust Division | $273,029 | 249,000 | Hold |
| 4 | HARBOR INVESTMENT ADVISORY, LLC | $49,959 | 420 | New |
| 5 | GAMMA Investing LLC | $22,006 | 185 | Added |
| 6 | Versant Capital Management, Inc | $11,776 | 99 | Hold |
| 7 | MassMutual Private Wealth & Trust, FSB | $1,190 | 10 | Trimmed |
| 8 | CONGRESS ASSET MANAGEMENT CO | $0 | 0 | Exited |
| 9 | MRA Advisory Group | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30