Ownership history in DRIEHAUS CAPITAL MANAGEMENT LLC · 22 quarters on record
This page tracks every 13F SEC filing in which DRIEHAUS CAPITAL MANAGEMENT LLC reported a position in IMPINJ INC (PI). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | ADDED | 737,474 | +222,974 | +43.3% | 0.87% | $128.3M | $174.01 |
| 2025 Q3 | ADDED | 514,500 | +300,786 | +140.7% | 0.67% | $93.0M | $180.75 |
| 2024 Q4 | ADDED | 213,714 | +136,277 | +176.0% | 0.26% | $31.0M | $145.26 |
| 2024 Q3 | REDUCED | 77,437 | -87,501 | -53.1% | 0.14% | $16.8M | $216.52 |
| 2023 Q2 | REDUCED | 164,938 | -465,052 | -73.8% | 0.19% | $14.8M | $89.65 |
| 2023 Q1 | REDUCED | 629,990 | -88,983 | -12.4% | 1.20% | $85.4M | $135.52 |
| 2022 Q4 | REDUCED | 718,973 | -127,460 | -15.1% | 1.17% | $78.5M | $109.18 |
| 2022 Q3 | ADDED | 846,433 | +316,401 | +59.7% | 1.03% | $67.7M | $80.03 |
| 2022 Q2 | REDUCED | 530,032 | -137,883 | -20.6% | 0.50% | $31.1M | $58.67 |
| 2022 Q1 | REDUCED | 667,915 | -296,727 | -30.8% | 0.52% | $42.4M | $63.54 |
As of 2025 Q4 — sorted by position size