13FPulse
PI

PI IMPINJ INC

2026Q2 · CUSIP 453204109 · Sector: Technology

Piling in

Net holder growth ranks near the top of the market

Funds that own it
314
Institutions that reported holding it to the SEC
Net increase in holders
+26
Last quarter 288 → now 314
How unusual is that
Top 20%
Stronger buying than 87% of US stocks
What the filings say, in one paragraph

314 funds held PI at the end of 2026Q2, up 26 from the quarter before. That is stronger buying than 87.4% of US stocks — among the most piled-into names this quarter. On the business itself, revenue over the last 12 months was $372M(YoY +3.5%), return on equity is -11.7%. PI has had 14 buying rushes in its history, and the price moved -9.9% on average over the six months after (that is the raw price move, not how much it beat the market by). It sits in the Technology sector.

How many funds owned it, quarter by quarter

Bars = net change in institutional holders, positive (green) or negative (red). Line = total institutional holders.

2016Q4: holders=91 2017Q1: holders=119 2017Q2: holders=134 2017Q3: holders=136 2017Q4: holders=113 2018Q1: holders=113 2018Q2: holders=100 2018Q3: holders=106 2018Q4: holders=98 2019Q1: holders=104 2019Q2: holders=130 2019Q3: holders=143 2019Q4: holders=149 2020Q1: holders=135 2020Q2: holders=143 2020Q3: holders=128 2020Q4: holders=152 2021Q1: holders=161 2021Q2: holders=165 2021Q3: holders=158 2021Q4: holders=174 2022Q1: holders=182 2022Q2: holders=159 2022Q3: holders=192 2022Q4: holders=242 2023Q1: holders=259 2023Q2: holders=223 2023Q3: holders=192 2023Q4: holders=199 2024Q1: holders=226 2024Q2: holders=272 2024Q3: holders=321 2024Q4: holders=318 2025Q1: holders=275 2025Q2: holders=292 2025Q3: holders=325 2025Q4: holders=328 2026Q1: holders=288 2026Q2: holders=314 -50 -25 +0 +25 +50 81213345 16Q417Q418Q419Q420Q421Q422Q423Q424Q425Q426Q2 Net change in holders (bars) Total funds holding (line)

What happened after each past buying rush 14 times in its history

Quarter of the rush How unusual then Price, next 3 months Price, next 6 months
2026Q2 Top 20%
2025Q3 Top 10% +22.3% -14.7%
2025Q2 Top 20% +10.3% -14.0%
2024Q3 Top 5% -13.5% -45.0%
2024Q2 Top 5% +32.4% +13.6%
2024Q1 Top 20% -6.8% -6.0%
2023Q1 Top 10% -9.9% -40.2%
2022Q4 Top 10% -0.4% -26.4%

These are the raw price moves, not how much it beat the market by. Compare them against the market over the same months — in a strong bull market almost everything is up.

Show all the numbers (large funds, value held, options…) ▾
Of them, large funds
165
Change in large funds
+11
Total value they hold
$4.7B
Funds buying for the first time
69
Funds that sold out entirely
43
Price change that quarter
+25.7%
Funds holding puts (bearish)
9
Funds holding calls (bullish)
8

These are for people who want to dig. Skip them if they do not mean anything to you — the three numbers above are enough.

8,697 institutions have filed for this quarter. 13F permits late filing and a small number arrive in the weeks after the deadline, so the holder counts and changes below may tick up.

Fundamentals

PE (TTM)
EPS (TTM)
$-0.90
EPS YoY
-2350.0%
Revenue (TTM)
$0.4B
Revenue YoY
+3.5%
Net margin
-7.3%
ROE
-11.7%
Debt ratio
56.7%
FCF (TTM)
$63M
Dividend (TTM)
No dividend
Quarterly Revenue & EPS
2022-09-30: EPS -0.09 2022-12-31: EPS 0.01 2023-03-31: EPS -0.17 2023-06-30: EPS -0.30 2023-09-30: EPS -0.59 2023-12-31: EPS -0.56 2024-03-31: EPS 1.10 2024-06-30: EPS 0.34 2024-09-30: EPS 0.01 2024-12-31: EPS -0.06 2025-03-31: EPS -0.30 2025-06-30: EPS 0.39 2025-09-30: EPS -0.44 2025-12-31: EPS -0.02 2026-03-31: EPS -0.83 2026-06-30: EPS 0.39 0M 54M 108M $M -0.91 0.15 1.21 2016201720182019202020212022202320242025202606/26 Revenue EPS

Quarterly figures, revenue up to 10 years back; EPS split-adjusted, early quarters hidden when not calibrable

P/E (TTM) over time
67 2157 4247 202420252026

P/E = close around day 47 after quarter-end ÷ TTM EPS then; this is a consistent valuation date, not the company’s actual filing date; loss quarters hidden

Quarterly free cash flow
-34M10M54M 20162017201820192020202120222023202420252026
Latest quarter $2M (2026-03-31)

FCF = operating cash flow − capex, computed from SEC XBRL; banks/insurers have no standard cash-flow structure and are hidden

As of 2026-06-30 · SEC filings (XBRL)

Email me the next update

2026 Q3 holdings are due 2026-11-16. We will email you when the refreshed lists are live.