Latest Period
Q2 2026
Security Snapshot
IMPINJ INC - COMMON STOCK (PI) Institutional Ownership
CUSIP: 453204109
13F Institutional Holders and Ownership History from Q3 2016 to Q2 2026
Institutions Reporting
314
Shares (Excl. Options)
32,788,382
Price
$143.23
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- Security type / class
- Equity / COMMON STOCK
- Symbol
- PI on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 32,788,382
- Total 13F value
- $4,693,980,499
- Portfolio coverage rank
- 0.01%
- Share change
- +987,802
- Value change
- +$193,678,418
- Number of holders
- 314
- Shares outstanding
- 30,367,589
- SEC-reported price per share
- $147.49
- Insider filing price
- $147.49
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- PI - IMPINJ INC - COMMON STOCK is tracked under CUSIP 453204109.
- 314 institutions reported positions in Q2 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 290 to 314 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $3,261,658,911 to $4,693,980,499.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 314 institutions filings for Q2 2026.
Security key
453204109
Latest holder period
Q2 2026
13F holders
314
13D/G owners
4
CIK / CUSIP context first
Open Q2 2026 holders
PI full holder history
IMPINJ INC SEC filings
IMPINJ INC company facts
IMPINJ INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 453204109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
PI
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.2% | $222,302,058 | 2,164,577 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| STATE STREET CORP | 5.6% | $240,768,824 | 1,700,585 | STATE STREET CORPORATION | 30 Jun 2026 | |||
| Capital International Investors | 4.5% | -18% | $137,861,617 | -$17,860,602 | 1,352,380 | -11% | Capital International Investors | 31 Mar 2026 |
| SYLEBRA CAPITAL LLC | 3.8% | -25% | $195,647,187 | -$64,324,202 | 1,132,152 | -25% | SYLEBRA CAPITAL LLC | 15 Dec 2025 |
As of 30 Jun 2026, 314 institutional investors reported holding 32,788,382 shares of IMPINJ INC - COMMON STOCK (PI). This represents 108% of the company’s total 30,367,589 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
85%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| FMR LLC | 15% | 4,562,799 | +6.6% | 0.03% | $653,529,757 |
| BlackRock, Inc. | 15% | 4,449,389 | +3.2% | 0.01% | $637,285,987 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.2% | 2,194,236 | +2.5% | 0.01% | $314,280,422 |
| STATE STREET CORP | 5.6% | 1,700,585 | +15% | 0.01% | $243,574,790 |
| Capital International Investors | 4.8% | 1,443,452 | +6.7% | 0.04% | $206,745,630 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.2% | 1,282,667 | +1.3% | 0% | $183,716,394 |
| Capital World Investors | 3.7% | 1,124,066 | +11% | 0.02% | $160,999,973 |
| MILLENNIUM MANAGEMENT LLC | 2.7% | 834,376 | +716% | 0.08% | $119,507,674 |
| AMERICAN CENTURY COMPANIES INC | 2.6% | 804,335 | -1.7% | 0.05% | $115,205,209 |
| SYLEBRA CAPITAL LLC | 2.6% | 775,943 | -31% | 12% | $111,138,316 |
| Chevy Chase Trust Holdings, LLC | 2.4% | 737,138 | +1.2% | 0.27% | $105,580,275 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 733,594 | +7.6% | 0.01% | $105,091,270 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 2.2% | 669,324 | +57% | 0.08% | $95,867,277 |
| AMERIPRISE FINANCIAL INC | 1.7% | 530,926 | -38% | 0.02% | $76,044,545 |
| UBS Group AG | 1.4% | 414,418 | -20% | 0.01% | $59,357,091 |
| Point72 Asset Management, L.P. | 1.3% | 408,333 | +41% | 0.09% | $58,485,536 |
| Whale Rock Capital Management LLC | 1.3% | 405,244 | 0% | 0.47% | $58,043,098 |
| GOLDMAN SACHS GROUP INC | 1.3% | 388,783 | +42% | 0.01% | $55,685,430 |
| MORGAN STANLEY | 1.2% | 360,534 | +33% | 0% | $51,639,396 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.2% | 357,059 | +17% | 0.01% | $51,143,000 |
| Nuveen, LLC | 1.1% | 347,867 | +17% | 0.01% | $49,824,990 |
| Broad Bay Capital Management, LP | 1.1% | 328,700 | 4.5% | $47,079,701 | |
| NORTHERN TRUST CORP | 1.1% | 320,053 | +8.3% | 0.01% | $45,841,190 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 0.98% | 296,821 | +16% | 0.13% | $42,513,672 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.91% | 277,540 | +5.6% | 0.01% | $39,752,054 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
40
Latest
Q2 2026
Rows shown
1-25 of 40
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 32,788,382 | $4,693,980,499 | +$193,678,418 | $143.23 | 314 |
| 2026 Q1 | 31,774,611 | $3,261,658,911 | -$149,723,426 | $102.70 | 290 |
| 2025 Q4 | 32,104,511 | $5,594,960,078 | +$87,074,383 | $174.01 | 329 |
| 2025 Q3 | 31,597,651 | $5,710,335,811 | +$71,545,662 | $180.75 | 321 |
| 2025 Q2 | 31,351,148 | $3,482,534,018 | +$104,199,931 | $111.07 | 291 |
| 2025 Q1 | 30,665,744 | $2,781,353,100 | -$86,256,267 | $90.70 | 272 |
| 2024 Q4 | 30,635,832 | $4,451,919,430 | +$10,902,483 | $145.26 | 316 |
| 2024 Q3 | 30,085,641 | $6,514,880,650 | +$155,241,533 | $216.52 | 319 |
| 2024 Q2 | 27,857,152 | $4,366,891,297 | +$35,116,879 | $156.77 | 270 |
| 2024 Q1 | 27,919,173 | $3,585,238,798 | +$11,866,385 | $128.41 | 223 |
| 2023 Q4 | 27,964,822 | $2,517,692,011 | +$122,566,401 | $90.03 | 194 |
| 2023 Q3 | 31,070,964 | $1,709,544,816 | -$78,544,459 | $55.03 | 189 |
| 2023 Q2 | 27,101,638 | $2,428,511,662 | -$19,466,539 | $89.65 | 216 |
| 2023 Q1 | 26,628,076 | $3,608,594,883 | +$211,531,471 | $135.52 | 254 |
| 2022 Q4 | 25,131,911 | $2,744,353,600 | -$17,551,012 | $109.18 | 234 |
| 2022 Q3 | 25,263,071 | $2,021,813,789 | +$175,181,527 | $80.03 | 182 |
| 2022 Q2 | 23,257,104 | $1,364,535,796 | +$83,234,618 | $58.67 | 148 |
| 2022 Q1 | 21,811,668 | $1,386,817,102 | +$6,279,260 | $63.54 | 175 |
| 2021 Q4 | 21,465,592 | $1,903,145,872 | -$11,554,157 | $88.70 | 173 |
| 2021 Q3 | 21,210,127 | $1,211,650,981 | -$5,006,026 | $57.13 | 154 |
| 2021 Q2 | 21,335,649 | $1,100,575,583 | -$45,374,990 | $51.59 | 160 |
| 2021 Q1 | 22,064,677 | $1,254,649,399 | +$94,138,797 | $56.87 | 159 |
| 2020 Q4 | 20,578,421 | $861,507,584 | +$37,305,480 | $41.87 | 148 |
| 2020 Q3 | 19,750,449 | $520,521,588 | +$21,126,166 | $26.35 | 129 |
| 2020 Q2 | 18,886,100 | $518,827,984 | +$692,989 | $27.47 | 137 |