IMPINJ INC

$PI
Smart money positioned

7 of the Top-200 alpha managers hold $PI as of the latest 13F snapshot.

13F holders
279
Insider buys · 90d
0
Congress · 90d
0

Smart Money · top-200 alpha cohort

7 holders · Q1 2026

$PI is held by 7 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.04%, with an average of 0.01% of portfolio. Largest holder: Shufro Rose & Co. LLC at 0.04%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 279 · Source: 13F-HR
01
Litman Gregory Wealth Management LLC
0.03% of portfolio
2,704,760 sh
02
Axa S.a.
0.01% of portfolio
1,484,868 sh
03
State Street
0.01% of portfolio
1,276,893 sh
04
Massachusetts Institute of Technology
0.04% of portfolio
817,992 sh
05
Confluence Investment Management LLC
0.21% of portfolio
734,787 sh
06
Alyeska Investment Group, L.P.
0.22% of portfolio
728,395 sh
07
Chevy Chase Trust Holdings, LLC
0.32% of portfolio
681,915 sh
08
Strategic Planning Group, LLC
0.03% of portfolio
532,593 sh
09
Barrett & Company, Inc.
0.04% of portfolio
425,945 sh
10
HBK Sorce Advisory LLC
0.54% of portfolio
405,244 sh
See all 279 13F holders · Pro →

Insider activity · last 90 days

50 transactions · 3 filers
15 Dec 2025
Sylebra Capital LLC
▼ SOLD
134,629
$150.36
S
12 Dec 2025
Sylebra Capital LLC
▼ SOLD
50,573
$146.62
S
11 Dec 2025
Sylebra Capital LLC
▼ SOLD
95,345
$152.87
S
10 Dec 2025
Sylebra Capital LLC
▼ SOLD
84,604
$155.49
S
09 Dec 2025
Sylebra Capital LLC
▼ SOLD
40
$160.01
S
08 Dec 2025
Sylebra Capital LLC
▼ SOLD
2,494
$160.72
S
05 Dec 2025
Sylebra Capital LLC
▼ SOLD
1,373
$161.04
S
04 Dec 2025
Sylebra Capital LLC
▼ SOLD
3,167
$160.59
S
03 Dec 2025
Sylebra Capital LLC
▼ SOLD
41,221
$167.97
S
02 Dec 2025
Sylebra Capital LLC
▼ SOLD
41,874
$168.23
S
01 Dec 2025
Sylebra Capital LLC
▼ SOLD
31,058
$167.02
S
28 Nov 2025
Sylebra Capital LLC
▼ SOLD
22,297
$172.62
S

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

No Congress trades

No STOCK Act filings reference $PI in the recent window.

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 12:19 UTC.