InvestorLens

PI — IMPINJ INC

Public company

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For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying PI?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
95
Institutional Conviction
Strong distribution · 0 buying vs 1 selling last quarter
8
Macro Tailwind
Macro conditions are mixed for this sector
55
Why? — Evidence & Confidence ▾

Of 1 tracked investors who changed their PI position last quarter, 0 bought and 1 sold (0% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 55/100 in a Contraction regime).

Supporting evidence
  • +4 tracked investors reported holding PI at their latest filing
  • +Macro Health is 55/100 in a Contraction regime — historically acceptable for this sectorsource
Contradicting evidence — always shown
  • −1 tracked investor reduced or exited last quarter (1 reduced, 0 sold out)
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/17/2026.

About IMPINJ INC (PI)

IMPINJ INC (PI) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $120M. Across recent filings, tracked investors recorded 5 new positions, 2 increased, 5 reduced, and 4 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in PI

44
/100
Mixed Activity
Added / Increased7
Reduced5
Exited4
BearishBullish
Crowded Trade Score™

How many top investors track PI

27
/100
Emerging Interest
4investors

A small number of top investors own this.

UndiscoveredCrowded
151015+

PI Ownership Composition

How IMPINJ INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Multi-Strategy / Quant
100% of tracked value
Institutions
4
tracked investors
Total Reported
$207.1M
combined 13F value
Types2
  • Multi-Strategy / Quant99.9%
  • Macro0.1%
Multi-Strategy / Quant(3)
99.9%
Macro(1)
0.1%

Tracked investors currently reporting PI

3 tracked investors have since exited this position — listed separately below.

  • Izzy EnglanderJun 30, 2026
    Millennium Management
    Shares
    834.4K
    Value
    $119.5M
    % Portfolio
    0.04%
  • Ken GriffinJun 30, 2026
    Citadel Advisors
    Shares
    191K
    Value
    $27.4M
    % Portfolio
    0.00%
  • Steve CohenJun 30, 2026
    Point72 Asset Management
    Shares
    418.5K
    Value
    $59.9M
    % Portfolio
    0.07%
  • George SorosJun 30, 2026
    Soros Fund Management
    Shares
    2.1K
    Value
    $304.9K
    % Portfolio
    0.00%

Previously held PI

These investors reported PI in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.

InvestorFirmLast reported sharesValue thenLast held
Paul Tudor JonesTudor Investment Corp44.1K$7.7MDec 31, 2025
Stanley DruckenmillerDuquesne Family Office108.5K$9.8MMar 31, 2025
Ray DalioBridgewater Associates4.3K$784Sep 30, 2025

Recent activity

Frequently asked questions

How many institutional investors hold PI?
4 tracked institutional investors disclosed a position in PI (IMPINJ INC) in their most recent 13F filing.
Who is the largest institutional holder of PI?
Izzy Englander, Millennium Management, holds the largest disclosed position in PI, valued at $120M.
Did institutional ownership of PI increase or decrease?
Across recent 13F filings, tracked investors recorded 5 new positions, 2 increased, 5 reduced, and 4 fully exited PI.
Where does this PI ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.