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IRONWOOD INVESTMENT MANAGEMENT LLC

Position in PI — Impinj Inc

CIK 1127761 BOSTON, MA

Position in PI

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$3,331,816
+$999,499 QoQ
Shares Held
23,262
+2.4% QoQ
Ownership
0.076%
of shares outstanding
% of Portfolio
1.49%
of 13F equity value
Holder Rank
#92
of 315 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PI Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

IRONWOOD INVESTMENT MANAGEMENT LLC holds $5,087,750 across 4 Semiconductors names. PI ranks #1 (65.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 PI
Impinj Inc
This page
23,262 $3,331,816

All Filings in PI

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,331,816 23,262
2026-03-31 $2,332,317 22,710
2025-12-31 $2,897,962 16,654
2025-09-30 $4,124,895 22,821
2025-06-30 $2,560,718 23,055
2025-03-31 $2,158,569 23,799
2024-12-31 $3,431,622 23,624
2024-09-30 $5,177,209 23,911
2024-06-30 $3,768,750 24,040
2024-03-31 $3,086,334 24,035
2023-12-31 $2,256,511 25,064
2023-09-30 $1,397,101 25,388
2023-06-30 $2,319,783 25,876
2023-03-31 $3,570,138 26,344
2022-12-31 $2,954,629 27,062
2022-09-30 $2,263,568 28,284
2022-06-30 $1,657,720 28,255
2022-03-31 $1,794,687 28,245
2021-12-31 $2,507,460 28,269
2021-09-30 $1,589,470 27,822
2021-06-30 $1,442,301 27,957
2021-03-31 $1,612,037 28,346
2020-12-31 $1,198,110 28,615
2020-09-30 $766,521 29,090
2020-06-30 $800,008 29,123
2020-03-31 $489,268 29,280