PI
Impinj (PI)
NASDAQ
$165.81-$13.01 (-7.28%)
Price as of Oct 22, 2026 7:30 PM EDT
  • $5.5B
    Market Cap
  • -11.51%
    1-Year Change
  • Semiconductors
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
DLD ASSET MANAGEMENT, LP
38.46%
11.8M
-250,000 (-2.13%)
Sep 30, 2025
FMR LLC
14.93%
4.6M
+282,246 (+6.19%)
Jun 30, 2026
BLACKROCK, INC.
14.56%
4.4M
+135,885 (+3.05%)
Jun 30, 2026
SYLEBRA CAPITAL LTD
12.92%
3.9M
+1.1M (+27.87%)
Sep 30, 2023
BLACKROCK FUNDING, INC. /DE
12.68%
3.9M
+86,490 (+2.23%)
Dec 31, 2024
VANGUARD GROUP INC
11.34%
3.5M
+85,882 (+2.48%)
Dec 31, 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
7.18%
2.2M
+54,078 (+2.46%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions568.4M (52.77%)
  • Mutual Funds501.7M (46.57%)
  • Insiders7.1M (0.66%)
  • Other0 (0.00%)

Insider Transactions

  • 0.66% (7.1M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $2.9B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Valdez Arthur L Jr
Exempt
Oct 20, 2026
$0.00
1,220
$0.00
0
Valdez Arthur L Jr
Exempt
Oct 20, 2026
$0.00
1,220
$0.00
1,220
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Gift
Oct 12, 2026
$0.00
10,000
$0.00
346,265
Baker Cary
CHIEF FINANCIAL OFFICER
Exempt
Sep 23, 2026
$0.00
479
$0.00
959
Baker Cary
CHIEF FINANCIAL OFFICER
Exempt
Sep 23, 2026
$0.00
596
$0.00
3,580
Baker Cary
CHIEF FINANCIAL OFFICER
Exempt
Sep 23, 2026
$0.00
479
$0.00
80,867
Baker Cary
CHIEF FINANCIAL OFFICER
Exempt
Sep 23, 2026
$0.00
596
$0.00
81,463
Baker Cary
CHIEF FINANCIAL OFFICER
In Kind
Sep 23, 2026
$75,132.80
424
$177.20
81,039
Baker Cary
CHIEF FINANCIAL OFFICER
Sell
Sep 21, 2026
$1.6M
8,892
$185.00
80,388
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Gift
Sep 14, 2026
$0.00
10,000
$0.00
354,421
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Exempt
Aug 20, 2026
$0.00
3,753
$0.00
11,262
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Exempt
Aug 20, 2026
$0.00
3,753
$0.00
365,898
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
In Kind
Aug 20, 2026
$235,921.21
1,477
$159.73
364,421
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Gift
Aug 17, 2026
$0.00
10,000
$0.00
362,145
Baker Cary
CHIEF FINANCIAL OFFICER
Sell
Aug 10, 2026
$264,365.00
1,429
$185.00
88,226
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Gift
Jul 13, 2026
$0.00
10,000
$0.00
372,145
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Exempt
Jun 23, 2026
$0.00
1,223
$0.00
3,672
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Exempt
Jun 23, 2026
$0.00
1,817
$0.00
12,721
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Exempt
Jun 23, 2026
$0.00
1,223
$0.00
381,525
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Exempt
Jun 23, 2026
$0.00
1,817
$0.00
383,342
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
In Kind
Jun 23, 2026
$149,888.34
1,197
$125.22
382,145
SYLEBRA CAPITAL LLC
Sell
Jun 09, 2026
$1.5M
12,105
$127.36
782,943
SYLEBRA CAPITAL LLC
Sell
Jun 08, 2026
$1.6M
12,528
$125.97
828,048
SYLEBRA CAPITAL LLC
Sell
Jun 08, 2026
$4.3M
33,000
$130.07
795,048
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Exempt
Mar 23, 2026
$0.00
2,594
$0.00
0
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Exempt
Mar 23, 2026
$0.00
1,224
$0.00
4,895
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Exempt
Mar 23, 2026
$0.00
1,817
$0.00
14,538
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Award
Mar 23, 2026
$0.00
24,806
$0.00
24,806
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Exempt
Mar 23, 2026
$0.00
2,594
$0.00
389,479
DIORIO CHRIS PH.D.
CHIEF EXECUTIVE OFFICER
Exempt
Mar 23, 2026
$0.00
1,224
$0.00
390,703