7 institutions reported holding $1.7M of IMPINJ INC (PI) in SEC 13F filings for 2026-06-30. Largest institutional holders: Assenagon Asset Management S.A. ($879,146), Versant Capital Management, Inc ($299,494), Avior Wealth Management, LLC ($243,205), GAMMA Investing LLC ($236,330), MassMutual Private Wealth & Trust, FSB ($10,456). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | $879,146 | 6,138 | New |
| 2 | Versant Capital Management, Inc | $299,494 | 2,091 | Trimmed |
| 3 | Avior Wealth Management, LLC | $243,205 | 1,698 | New |
| 4 | GAMMA Investing LLC | $236,330 | 1,650 | Added |
| 5 | MassMutual Private Wealth & Trust, FSB | $10,456 | 73 | Trimmed |
| 6 | HARBOR INVESTMENT ADVISORY, LLC | $8,594 | 60 | Added |
| 7 | CONGRESS ASSET MANAGEMENT CO | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30