IMPINJ INC (PI) Institutional Shareholders
IMPINJ INC (PI) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $4.72B in PI holdings during the latest filing period.
Fmr Llc is currently the largest disclosed institutional shareholder of PI tracked by InsiderSet, reporting ownership valued at approximately $653.53M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $820.07M, representing an estimated gain of +25.48% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 58% of the total disclosed PI value among the investors covered in this analysis. Major shareholders include Fmr Llc, Blackrock, Inc., Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in IMPINJ INC (PI).
This page ranks the largest institutional PI shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
302
Total Reported Value
$4.72B
Largest Holder
Fmr Llc
Largest Position
$653.53M
Insider Transactions (90d)
15
Latest Filing Quarter
Q2 2026
New Institutional Positions
49
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Fmr Llc | 0.03% | 4,562,799 | $653,529,757 | $820,071,864 | +$166,542,107 | +25.48% | |
| Blackrock, Inc. | 0.01% | 4,449,389 | $637,285,987 | $799,688,685 | +$162,402,698 | +25.48% | |
| Vanguard Portfolio Management Llc | 0.01% | 2,194,236 | $314,280,422 | $394,370,036 | +$80,089,614 | +25.48% | |
| State Street Corp | 0.01% | 1,700,585 | $243,574,790 | $305,646,142 | +$62,071,352 | +25.48% | |
| Capital International Investors | 0.04% | 1,443,452 | $206,745,630 | $259,431,628 | +$52,685,998 | +25.48% | |
| Vanguard Capital Management Llc | 0.00% | 1,282,667 | $183,716,394 | $230,533,740 | +$46,817,346 | +25.48% | |
| Capital World Investors | 0.02% | 1,124,066 | $160,999,973 | $202,028,382 | +$41,028,409 | +25.48% | |
| Millennium Management Llc | 0.08% | 834,376 | $119,507,674 | $149,962,398 | +$30,454,724 | +25.48% | |
| American Century Companies Inc | 0.05% | 804,335 | $115,205,209 | $144,563,130 | +$29,357,921 | +25.48% | |
| Sylebra Capital Llc | 11.77% | 775,943 | $111,138,316 | $139,460,235 | +$28,321,919 | +25.48% | |
| Chevy Chase Trust Holdings, Llc | 0.27% | 737,138 | $105,580,275 | $132,485,813 | +$26,905,538 | +25.48% | |
| Geode Capital Management, Llc | 0.01% | 733,594 | $105,091,270 | $131,848,850 | +$26,757,580 | +25.46% | |
| Manufacturers Life Insurance Company, The | 0.07% | 669,324 | $95,867,277 | $120,297,603 | +$24,430,326 | +25.48% | |
| Ameriprise Financial Inc | 0.02% | 530,926 | $76,044,545 | $95,423,330 | +$19,378,785 | +25.48% | |
| Ubs Group Ag | 0.01% | 414,418 | $59,357,091 | $74,483,347 | +$15,126,256 | +25.48% | |
| Point72 Asset Management, L.P. | 0.09% | 408,333 | $58,485,536 | $73,389,690 | +$14,904,154 | +25.48% | |
| Whale Rock Capital Management Llc | 0.47% | 405,244 | $58,043,098 | $72,834,504 | +$14,791,406 | +25.48% | |
| Goldman Sachs Group Inc | 0.01% | 388,783 | $55,685,430 | $69,875,969 | +$14,190,539 | +25.48% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.01% | 517,826 | $53,180,732 | $93,068,867 | +$39,888,135 | +75.00% | |
| Morgan Stanley | 0.00% | 360,534 | $51,639,396 | $64,798,776 | +$13,159,380 | +25.48% | |
| Price T Rowe Associates Inc | 0.01% | 357,059 | $51,143,000 | $64,174,214 | +$13,031,214 | +25.48% | |
| Nuveen, Llc | 0.01% | 347,867 | $49,824,990 | $62,522,136 | +$12,697,146 | +25.48% | |
| Broad Bay Capital Management, Lp | 4.46% | 328,700 | $47,079,701 | $59,077,251 | +$11,997,550 | +25.48% | |
| Northern Trust Corp | 0.01% | 320,053 | $45,841,190 | $57,523,126 | +$11,681,936 | +25.48% | |
| William Blair Investment Management, Llc | 0.13% | 296,821 | $42,513,672 | $53,347,638 | +$10,833,966 | +25.48% | |
| Charles Schwab Investment Management Inc | 0.01% | 277,540 | $39,752,054 | $49,882,264 | +$10,130,210 | +25.48% | |
| Westfield Capital Management Co Lp | 0.13% | 270,646 | $38,764,627 | $48,643,206 | +$9,878,579 | +25.48% | |
| Awm Investment Company, Inc. | 2.57% | 207,018 | $29,651,188 | $37,207,345 | +$7,556,157 | +25.48% | |
| Royce & Associates Lp | 0.23% | 203,114 | $29,092,018 | $36,505,679 | +$7,413,661 | +25.48% | |
| Vanguard Fiduciary Trust Co | 0.01% | 197,514 | $28,289,930 | $35,499,191 | +$7,209,261 | +25.48% | |
| T. Rowe Price Investment Management, Inc. | 0.02% | 192,948 | $27,636,000 | $34,678,544 | +$7,042,544 | +25.48% | |
| Norges Bank | 0.00% | 186,182 | $26,666,848 | $33,462,491 | +$6,795,643 | +25.48% | |
| Rockefeller Capital Management L.P. | 0.04% | 181,548 | $26,003,120 | $32,629,622 | +$6,626,502 | +25.48% | |
| Emerald Advisers, Llc | 0.60% | 176,780 | $25,320,199 | $31,772,669 | +$6,452,470 | +25.48% | |
| Voya Investment Management Llc | 0.02% | 170,699 | $24,449,218 | $30,679,731 | +$6,230,513 | +25.48% | |
| Bnp Paribas Asset Management Holding S.A. | 0.02% | 164,883 | $23,616,192 | $29,634,422 | +$6,018,230 | +25.48% | |
| Bank Of New York Mellon Corp | 0.00% | 161,916 | $23,191,274 | $29,101,163 | +$5,909,889 | +25.48% | |
| Fred Alger Management, Llc | 0.08% | 159,966 | $22,911,930 | $28,750,689 | +$5,838,759 | +25.48% | |
| Allspring Global Investments Holdings, Llc | 0.03% | 157,343 | $22,596,028 | $28,279,257 | +$5,683,229 | +25.15% | |
| Baillie Gifford & Co | 0.02% | 155,965 | $22,338,867 | $28,031,589 | +$5,692,722 | +25.48% | |
| Aberdeen Group Plc | 0.03% | 153,502 | $21,986,091 | $27,588,914 | +$5,602,823 | +25.48% | |
| Principal Financial Group Inc | 0.01% | 132,679 | $19,003,613 | $23,846,397 | +$4,842,784 | +25.48% | |
| Squarepoint Ops Llc | 0.03% | 116,850 | $16,736,426 | $21,001,451 | +$4,265,025 | +25.48% | |
| Fiera Capital Corp | 0.06% | 116,009 | $16,615,969 | $20,850,298 | +$4,234,329 | +25.48% | |
| Emerald Mutual Fund Advisers Trust | 0.56% | 111,287 | $15,939,637 | $20,001,613 | +$4,061,976 | +25.48% | |
| Raymond James Financial Inc | 0.00% | 111,211 | $15,928,752 | $19,987,953 | +$4,059,201 | +25.48% | |
| Tidal Investments Llc | 0.04% | 110,251 | $15,791,251 | $19,815,412 | +$4,024,161 | +25.48% | |
| Jennison Associates Llc | 0.01% | 105,639 | $15,130,674 | $18,986,497 | +$3,855,823 | +25.48% | |
| Deutsche Bank Ag\ | 0.00% | 104,061 | $14,904,657 | $18,702,884 | +$3,798,227 | +25.48% | |
| Jpmorgan Chase & Co | 0.00% | 102,093 | $13,786,820 | $18,349,175 | +$4,562,355 | +33.09% |
Frequently asked questions about PI
Who owns the most PI stock?
The largest holders of PI are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for IMPINJ INC (PI).
Is PI widely held by superinvestors?
Many widely followed stocks like PI appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly PI is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.