IMPINJ INC - COMMON STOCK (PI)

CUSIP: 453204109

Q3 2026 13F Holders as of 30 Sep 2026

Holder snapshot 6 signals
Share change
+2,085
SEC-reported price per share
$179.29
Number of holders
32
Value change
+$381,413
Number of buys
15
Number of sells
8
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
30,367,589

Security key

453204109

Report period

Q3 2026

Institutions

32

Top holders

10

Ownership snapshot

Top reported holders of PI - IMPINJ INC - COMMON STOCK (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
VANGUARD PORTFOLIO MANAGE...
Disclosed value leader
FMR LLC
Comparable rows
4/15
Latest evidence
30 Jun 2026
13F 13D/G 3/4/5 Lead comparable stake: 7.2% 11 rows are not safely comparable across share classes. 13D/G row: VANGUARD PORTFOLIO MANAGEMENT LLC Showing 1-6 of 15 holder rows.

Quick read

VANGUARD PORTFOLIO MANAGEMENT LLC leads the comparable SEC ownership view at 7.2%.

4 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VANGUARD PORTFOLIO MANAGEMENT LLC's linked filing trail.
Comparable ownership Top 4
VANGUARD PORTFOLIO MANAGEMENT LLC 7.2%
STATE STREET CORP 5.6%
Capital International Investors 4.5%
SYLEBRA CAPITAL LLC 3.8%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
VANGUARD PORTFOLIO MANAGEMENT LLC
13F 13D/G
Company · Vanguard Portfolio Management
7.2%
Reported 13D/G · 31 Mar 2026
$314,280,422
2,194,236 shares
— 30 Jun 2026
STATE STREET CORP
13F 13D/G
Company · STATE STREET CORPORATION
5.6%
Reported 13D/G · 30 Jun 2026
$243,574,790
1,700,585 shares
— 30 Jun 2026
Capital International Investors
13F 13D/G
Company
4.5%
Reported 13D/G · 31 Mar 2026
$206,745,630
1,443,452 shares
— 30 Jun 2026
SYLEBRA CAPITAL LLC
13D/G 3/4/5 13F
Director · Company
3.8%
Reported 13D/G · 15 Dec 2025
$195,647,187
1,132,152 shares
-$64,324,202 15 Dec 2025
Sylebra Capital Ltd
3/4/5
10%+ Owner
—
denominator unverified
$342,252,082
4,197,352 shares
— 20 Nov 2023
FMR LLC
13F
Company
13F
—
denominator unverified
$653,529,757
4,562,799 shares
— 30 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
32
Shares
98,401
Rows available
32
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders
314
Q3 2026 holders
32
Holder diff
-282
Investor Q2 2026 Shares Q3 2026 Shares Share Diff Share Chg % Q2 2026 value Q3 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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