Impinj Inc (PI) Institutional Ownership

Ownership Summary

A total of 102 institutions have reported a stake in Impinj Inc (NASDAQ:PI) as of December 2025, according to recent 13F filings with the SEC.

• These investors collectively held 18.2% of the company's total shares outstanding in December 2025, down from 149.3% in September 2025.
• On a quarter-over-quarter basis, institutional holdings shifted by 8.67%, with a year-over-year a decrease of 67.72% in the count of filers.
• The latest 13F cycle for Impinj reveals that of 102 total investors, 50 funds grew their exposure, whereas 31 reduced theirs and 21 made no changes.
• Collectively, institutional investors increased their stake in Impinj to 5.30Mn shares as of December 2025, a change that is up by 422.97K shares quarter on quarter and down 25.53Mn shares year over year.
• The top institutional stake in Impinj as of December 31, 2025 belongs to VANGUARD GROUP INC, which owns 3.47Mn shares, or 11.90% of the company.
• Among the most significant buyers of Impinj during December 2025 were UBS Group AG (120.44K), BAILLIE GIFFORD & CO (102.75K), VANGUARD GROUP INC (85.88K), Aberdeen Group plc (45.11K), Universal- Beteiligungs- und Servicegesellschaft mbH (24.35K).
• Leading sellers of Impinj stock in December 2025 included PEREGRINE INVESTMENT MANAGEMENT INC (12.03K), K.J. Harrison & Partners Inc (10.00K), NORDEA INVESTMENT MANAGEMENT AB (5.65K), JENNISON ASSOCIATES LLC (5.04K), THRIVENT FINANCIAL FOR LUTHERANS (4.61K).
• The top 10 institutional holders of Impinj for the quarter ending December 2025 included VANGUARD GROUP INC (3.47Mn), UBS Group AG (471.09K), JENNISON ASSOCIATES LLC (242.50K), Allspring Global Investments Holdings, LLC (170.08K), PRINCIPAL FINANCIAL GROUP INC (128.15K), BAILLIE GIFFORD & CO (102.75K), Universal- Beteiligungs- und Servicegesellschaft mbH (70.43K), Aberdeen Group plc (68.39K), THRIVENT FINANCIAL FOR LUTHERANS (63.33K), Stephens Investment Management Group LLC (58.33K).