Which hedge funds own PI? IMPINJ INC, Q2 2026 13F holders
32 tracked hedge funds disclosed a position in PI (IMPINJ INC) in their Q2 2026 13F filings, worth $560.1m in total. The largest holder by portfolio weight is Toronado Partners, LLC at 15.1% of its book. 10 opened a new position this quarter: Formula Growth Ltd, Polymer Capital Management (HK) LTD, Summit Partners Public Asset Management, LLC, Bayforest Capital Ltd. 6 exited: Niles Investment Management, LLC, Polar Asset Management Partners Inc., Alyeska Investment Group, L.P..
- 32
- Holders Tracked managers whose filing for the quarter reports a long equity position in the security.
- 10
- New this quarter Holders whose previous filing (at most two quarters earlier) did not report the security.
- 6
- Exited this quarter Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
- $24.6m
- Inflow, new holders Combined value of the positions the new holders reported for the quarter.
- $97.2m
- Outflow, exits Combined value the exiting managers reported for the security in their previous filing.
- $560m
- Combined value Sum of the holders' reported positions in the security.
- 2.6%
- Share of managers holding Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.
Holders, Q2 2026
Exited since the previous filing
| Niles Investment Management, LLC | 0.6% | $697k |
| Polar Asset Management Partners Inc. | 0.3% | $14.0m |
| Alyeska Investment Group, L.P. | 0.2% | $75.5m |
| AlphaGrep UK Ltd | 0.07% | $234k |
| Quantitative Investment Management, LLC | 0.05% | $503k |
| Marshall Wace, LLP | 0.01% | $6.3m |
Ownership over time
Who discovered PI first? Beta
The run: Q3 2023 → Q3 2024, +293%
| Ararat Capital Management LP high conviction | Q3 2023 | 5.4% | +5.8 pts |
| Cooper Creek Partners Management LLC | Q2 2023 | 0.8% | +0.8 pts |
| Wolverine Asset Management LLC | Q1 2023 | 0.7% | +0.7 pts |
| Readystate Asset Management LP | Q1 2023 | 2.0% | 0.0 pts |
Split-adjusted quarter-end prices, excluding dividends. They describe the stock while each manager held it, not the return it earned.