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PI · Impinj Inc · Shareholders & Ownership

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$175.32 +0.76 (+0.44%) At close · Nov 12 Play latest call Q3 2026 earnings call transcript
Market Cap
$5.41B
Shares
30.86M
Volume · Nov 12 135.27K Avg daily vol (3M) 397.44K

Every disclosed holder of PI in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns PI

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 33,018,777 107.00%
Insiders (Forms 3, 4, 5) 860,160 2.79%
13D/G-only blocks 0 0.00%
Remaining 3,019,356 -9.78%
Registered funds (N-PORT, not summed) 17,594,009 57.01%

Shares outstanding: 30,859,581, the issuer's latest cover-page count restated onto today's split basis.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of PI

# Holder Shares
1
FMR LLC
13F CIK 315066 · Holding company · Sep 30, 2026
4,635,587
1.1
Select Semiconductors Portfolio
Fund S000007458 · Registered fund · Aug 31, 2026
Fidelity Select Portfolios, not summed
1,122,366
1.2
Fidelity Growth Company Fund
Fund S000007119 · Registered fund · Aug 31, 2026
Fidelity Mt. Vernon Street Trust, not summed
1,018,526
1.3
Fidelity Small Cap Index Fund
Fund S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
319,834
1.4
Fidelity Growth Company K6 Fund
Fund S000065696 · Registered fund · Aug 31, 2026
Fidelity Mt. Vernon Street Trust, not summed
285,711
1.5
Fidelity Series Growth Company Fund
Fund S000042626 · Registered fund · Aug 31, 2026
Fidelity Mt. Vernon Street Trust, not summed
254,147
2
BlackRock, Inc.
13G CIK 2012383 · Holding company · Sep 30, 2026
Rule 13d-1(b), qualified institution, not summed
4,495,591
2.1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
4,449,389
2.2
iShares Core S&P Small-Cap ETF
Fund S000004313 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,633,285
2.3
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
751,216
2.4
iShares Russell 2000 Growth ETF
Fund S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
270,173
2.5
iShares S&P Small-Cap 600 Growth ETF
Fund S000004314 · Registered fund · Jun 30, 2026
iShares Trust, not summed
243,469
3
SMALLCAP World Fund Inc
Fund S000009599 · Registered fund · Jun 30, 2026
SMALLCAP World Fund Inc, not summed
2,411,885
4
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,194,236
5
STATE STREET CORP
13F CIK 93751 · Bank · Sep 30, 2026
1,580,559
5.1
State Street(R) SPDR(R) S&P(R) Semiconductor ETF
Fund S000010020 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
594,886
5.2
State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF
Fund S000041317 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
249,579
5.3
State Street(R) SPDR(R) S & P 600(TM) Small Cap Growth ETF
Fund S000006990 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
155,660
5.4
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
9,952
5.5
State Street(R) SPDR(R) FactSet Innovative Technology ETF
Fund S000051577 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
4,492
6
Capital International Investors
13F CIK 1562230 · Investment adviser · Sep 30, 2026
1,467,629
7
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,282,667
8
Capital World Investors
13F CIK 1422849 · Investment adviser · Sep 30, 2026
1,133,693
9
Gibson Daniel Patrick
Insider CIK 1745725 · May 28, 2026
Director, issuer-wide, not summed
1,045,181
10
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
918,515
11
MILLENNIUM MANAGEMENT LLC
13F CIK 1273087 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
834,376
12
AMERICAN CENTURY COMPANIES INC
13F CIK 748054 · Unknown · Sep 30, 2026
828,644
12.1
Small Cap Growth Fund
Fund S000006193 · Registered fund · Jul 31, 2026
American Century Mutual Funds, Inc., not summed
323,271
12.2
Small Company Fund
Fund S000005981 · Registered fund · Jun 30, 2026
American Century Quantitative Equity Funds, Inc., not summed
2,761
12.3
Global Small Cap Fund
Fund S000053103 · Registered fund · Aug 31, 2026
American Century World Mutual Funds, Inc., not summed
1,492
13
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Sep 30, 2026
749,744
14
Chevy Chase Trust Holdings, LLC
13F CIK 1462020 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
737,138
14.1
CCT Thematic Equity Fund
Fund S000069656 · Registered fund · Jul 31, 2026
ADVISORS' INNER CIRCLE III, not summed
9,184
15
SYLEBRA CAPITAL LLC
Insider CIK 2003074 · Nov 4, 2026
10% Owner, issuer-wide, not summed
685,752
15.1
SYLEBRA CAPITAL LLC
13F CIK 2003074 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
775,943
16
MANUFACTURERS LIFE INSURANCE COMPANY, THE
13F CIK 928047 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
669,324
17
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
663,862
18
VANGUARD INFORMATION TECHNOLOGY INDEX FUND
Fund S000004452 · Registered fund · Aug 31, 2026
VANGUARD WORLD FUND, not summed
648,926
19
DIORIO CHRIS PH.D.
Insider CIK 1677721 · Oct 12, 2026
Director, CHIEF EXECUTIVE OFFICER, issuer-wide
545,627
19.1
Christopher Diorio, Ph.D.
13G CIK 1677721 · Unknown · Dec 31, 2023
Rule 13d-1(d), exempt investor, unconfirmed, last confirmed Dec 31, 2023, not summed
1,260,062
20
AMERIPRISE FINANCIAL INC
13F CIK 820027 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
530,926
20.1
Columbia Small Cap Index Fund
Fund S000010827 · Registered fund · Aug 31, 2026
COLUMBIA FUNDS SERIES TRUST, not summed
38,867
20.2
Variable Portfolio - Partners Small Cap Growth Fund
Fund S000028697 · Registered fund · Jun 30, 2026
Columbia Funds Variable Series Trust II, not summed
7,217
20.3
Columbia Global Opportunities Fund
Fund S000031367 · Registered fund · Jul 31, 2026
Columbia Funds Series Trust II, not summed
1,684
21
Point72 Asset Management, L.P.
13F CIK 1603466 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
408,333
22
Whale Rock Capital Management LLC
13F CIK 1387322 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
405,244
23
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
388,783
23.1
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund S000048296 · Registered fund · Aug 31, 2026
Goldman Sachs ETF Trust, not summed
6,244
23.2
Goldman Sachs Small Cap Growth Insights Fund
Fund S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
1,886
23.3
Multi-Manager U.S. Small Cap Equity Fund
Fund S000051363 · Registered fund · Apr 30, 2026
Goldman Sachs Trust II, not summed
1,229
23.4
Goldman Sachs Small Cap Equity Insights Fund
Fund S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
1,038
23.5
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Aug 31, 2026
GOLDMAN SACHS TRUST, not summed
41
24
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
382,382
25
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
360,534
25.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
13
26
PRICE T ROWE ASSOCIATES INC /MD/
13F CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
357,059
26.1
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund
Fund S000002074 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
133,000
26.2
T. Rowe Price Small-Cap Stock Fund, Inc.
Fund S000002120 · Registered fund · Jun 30, 2026
T. ROWE PRICE SMALL-CAP STOCK FUND, INC., not summed
81,827
26.3
T. Rowe Price Institutional Small-Cap Stock Fund
Fund S000002094 · Registered fund · Jun 30, 2026
T. Rowe Price Equity Funds, Inc., not summed
42,160
26.4
T. Rowe Price Diversified Mid-Cap Growth Fund, Inc.
Fund S000002073 · Registered fund · Jun 30, 2026
T. ROWE PRICE DIVERSIFIED MID-CAP GROWTH FUND, INC., not summed
29,108
26.5
T. Rowe Price Small-Cap Value Fund, Inc.
Fund S000002121 · Registered fund · Jun 30, 2026
T. ROWE PRICE SMALL-CAP VALUE FUND, INC., not summed
9,243
27
Broad Bay Capital Management, LP
13F CIK 1759115 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
328,700
28
WESTFIELD CAPITAL MANAGEMENT CO LP
13F CIK 1177719 · Registered investment adviser · Sep 30, 2026
326,976
29
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
320,053
29.1
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
14,802
29.2
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
2,964
29.3
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
1,368
30
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
310,964
31
UBS Group AG
13F CIK 1610520 · Bank · Sep 30, 2026
298,344
32
Nuveen, LLC
13F CIK 1871926 · Unknown · Sep 30, 2026
280,478
32.1
College Retirement Equities Fund - Total Global Stock Account
Fund S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
166,319
32.2
Nuveen Small Cap Select Fund
Fund S000005569 · Registered fund · Jul 31, 2026
Nuveen Investment Funds, Inc., not summed
48,873
32.3
Nuveen Small Cap Growth Opportunities Fund
Fund S000005567 · Registered fund · Jul 31, 2026
Nuveen Investment Funds, Inc., not summed
40,823
32.4
Nuveen Small Cap Blend Index Fund
Fund S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
37,724
32.5
Nuveen Equity Index Fund
Fund S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
21,228
33
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
277,540
33.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · Aug 31, 2026
SCHWAB STRATEGIC TRUST, not summed
128,557
33.2
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
71,182
33.3
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
17,307
33.4
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · Aug 31, 2026
SCHWAB STRATEGIC TRUST, not summed
16,016
33.5
Schwab 1000 Index Fund
Fund S000006807 · Registered fund · Jul 31, 2026
SCHWAB INVESTMENTS, not summed
9,162
34
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13F CIK 1644956 · Registered investment adviser · Sep 30, 2026
236,706
34.1
William Blair Small Cap Growth Fund
Fund S000008602 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
101,120
35
LOOMIS SAYLES & CO L P
13F CIK 312348 · Registered investment adviser · Sep 30, 2026
214,124
36
AWM Investment Company, Inc.
13F CIK 1535264 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
207,018
37
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
197,514
38
T. Rowe Price Investment Management, Inc.
13F CIK 1897612 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
192,948
39
Public Sector Pension Investment Board
13F CIK 1396318 · Non-US institution · Sep 30, 2026
187,963
40
NORGES BANK
13F CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
186,182
41
VOYA INVESTMENT MANAGEMENT LLC
13F CIK 1068837 · Registered investment adviser · Sep 30, 2026
182,807
42
Rockefeller Capital Management L.P.
13F CIK 1739439 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
181,548
42.1
Rockefeller US Small Cap Core Fund
Fund S000080973 · Registered fund · Aug 31, 2026
Trust for Professional Managers, not summed
10,067
43
ROYCE & ASSOCIATES LP
13F CIK 906304 · Registered investment adviser · Sep 30, 2026
172,175
43.1
Royce Small-Cap Fund
Fund S000009507 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
49,151
43.2
Royce Smaller-Companies Growth Fund
Fund S000009517 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
41,750
44
VANGUARD RUSSELL 2000 INDEX FUND
Fund S000030003 · Registered fund · Aug 31, 2026
VANGUARD SCOTTSDALE FUNDS, not summed
167,684
45
Invesco Ltd.
13F CIK 914208 · Investment adviser · Sep 30, 2026
166,624
45.1
Invesco S&P SmallCap Information Technology ETF
Fund S000028301 · Registered fund · Aug 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
58,867
45.2
Invesco RAFI US 1500 Small-Mid ETF
Fund S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
5,127
45.3
Invesco S&P SmallCap 600 Revenue ETF
Fund S000064596 · Registered fund · Aug 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
3,865
46
Bank of New York Mellon Corp
13F CIK 1390777 · Bank · Sep 30, 2026
165,212
46.1
BNY Mellon US Small Cap Core Equity ETF
Fund S000067262 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
924
47
VANGUARD TAX-MANAGED SMALL-CAP FUND
Fund S000004387 · Registered fund · Jun 30, 2026
VANGUARD TAX-MANAGED FUNDS, not summed
165,102
48
BNP PARIBAS ASSET MANAGEMENT Holding S.A.
13F CIK 1520354 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
164,883
49
FRED ALGER MANAGEMENT, LLC
13F CIK 3520 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
159,966
49.1
ALGER SMALL CAP FOCUS FUND
Fund S000020958 · Registered fund · Jul 31, 2026
ALGER FUNDS, not summed
98,621
49.2
ALGER WEATHERBIE SPECIALIZED GROWTH FUND
Fund S000009165 · Registered fund · Jul 31, 2026
ALGER FUNDS, not summed
36,010
49.3
ALGER SMALL CAP GROWTH FUND
Fund S000009160 · Registered fund · Jul 31, 2026
ALGER FUNDS, not summed
14,494
49.4
Alger Small Cap Growth Portfolio
Fund S000009215 · Registered fund · Jun 30, 2026
ALGER PORTFOLIOS, not summed
5,691
49.5
ALGER SMALL CAP GROWTH INSTITUTIONAL FUND
Fund S000009202 · Registered fund · Jul 31, 2026
ALGER INSTITUTIONAL FUNDS, not summed
5,681
50
Allspring Global Investments Holdings, LLC
13F CIK 1890906 · Holding company · Sep 30, 2026
153,866
50.1
Allspring SMID Cap Growth Fund
Fund S000007345 · Registered fund · Jun 30, 2026
ALLSPRING FUNDS TRUST, not summed
41,868
50.2
Allspring Emerging Growth Fund
Fund S000015703 · Registered fund · Jul 31, 2026
ALLSPRING FUNDS TRUST, not summed
18,355
50.3
Allspring VT Small Cap Growth Fund
Fund S000007228 · Registered fund · Jun 30, 2026
Allspring VARIABLE TRUST, not summed
17,901
50.4
Allspring VT Discovery SMID Cap Growth Fund
Fund S000007218 · Registered fund · Jun 30, 2026
Allspring VARIABLE TRUST, not summed
8,065
50.5
Allspring Discovery Small Cap Growth Fund
Fund S000029105 · Registered fund · Jun 30, 2025
ALLSPRING FUNDS TRUST, not summed
7,358

50 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 479 holders

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Key facts CIK 1114995 CUSIP 453204109 13F (30d) 253 filings 223 filers Visit website Investor relations