IMPINJ INC

Ticker: PI CUSIP: 453204109 Class: EQTY

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 212,003 Value ($000) $36,891 Avg Close $178.15 Range $137.00 - $247.06
Q3 2025
Shares 200,605 Value ($000) $36,259 Avg Close $157.69 Range $107.42 - $201.26