Security key
453204109
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 21,210,127
- Total 13F value
- $1,211,650,981
- Share change
- -114,449
- Put/Call ratio
- 48%
- SEC-reported price per share
- $57.13
- Number of holders
- 154
- Value change
- -$5,006,026
- Number of buys
- 53
- Number of sells
- 84
- Shares outstanding
- 30,367,589
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2021
Institutions
154
Top holders
10
PI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
IMPINJ INC SEC filings
IMPINJ INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 453204109
Recent filing periods:
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
Sylebra Capital Ltd
Disclosed value leader
Sylebra Capital Ltd
Comparable rows
0/15
Latest evidence
30 Jun 2021
13F
Highest disclosed value: $226,859,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Sylebra Capital Ltd has the largest disclosed position value at $226.86M.
0 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 Sylebra Capital Ltd's linked filing trail.
Disclosed position value
Top 5
Sylebra Capital Ltd
$226.86M
Chevy Chase Trust Holdings, LLC
$89.01M
BlackRock Finance, Inc.
$75.61M
FRED ALGER MANAGEMENT, LLC
$54.18M
VANGUARD GROUP INC
$53.55M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Sylebra Capital Ltd |
13F
Company
|
—
denominator unverified
|
$226,859,000
4,397,337 shares
|
— | 30 Jun 2021 |
| Chevy Chase Trust Holdings, LLC |
13F
Company
|
—
denominator unverified
|
$89,008,000
1,725,284 shares
|
— | 30 Jun 2021 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$75,613,000
1,465,664 shares
|
— | 30 Jun 2021 |
| FRED ALGER MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$54,180,000
1,050,196 shares
|
— | 30 Jun 2021 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$53,546,000
1,037,915 shares
|
— | 30 Jun 2021 |
| GILDER GAGNON HOWE & CO LLC |
13F
Company
|
—
denominator unverified
|
$51,743,000
1,002,965 shares
|
— | 30 Jun 2021 |
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 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
154
Shares
21,210,127
Rows available
154
| 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 2021 vs Q2 2021 Across Filers
Q2 2021 holders
160
Q3 2021 holders
154
Holder diff
-6
| Investor | Q2 2021 Shares | Q3 2021 Shares | Share Diff | Share Chg % | Q2 2021 value | Q3 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend