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PDFS · Pdf Solutions Inc · Shareholders & Ownership

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$44.23 +3.41 (+8.35%) At close · Oct 27 Q2 2026 earnings call transcript
Market Cap
$1.72B
Shares
42.23M
Volume · Oct 27 638.55K Avg daily vol (3M) 598.01K

Every disclosed holder of PDFS 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 PDFS

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) 40,269,306 95.36%
Insiders (Forms 3, 4, 5) 4,534,922 10.74%
13D/G-only blocks 0 0.00%
Remaining 2,577,012 -6.10%
Registered funds (N-PORT, not summed) 18,923,187 44.81%

Shares outstanding: 42,227,216, 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 PDFS

# Holder Shares
1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
5,550,335
1.1
iShares Core S&P Small-Cap ETF
Fund S000004313 · Registered fund · Jun 30, 2026
iShares Trust, not summed
2,270,558
1.2
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
862,900
1.3
iShares S&P Small-Cap 600 Growth ETF
Fund S000004314 · Registered fund · Jun 30, 2026
iShares Trust, not summed
338,616
1.4
iShares Russell 2000 Growth ETF
Fund S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
305,404
1.5
Master Small Cap Index Series
Fund S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
61,850
2
WASATCH ADVISORS LP
13F CIK 814133 · Registered investment adviser · Sep 30, 2026
2,646,572
2.1
WASATCH ADVISORS LP
13G CIK 814133 · Registered investment adviser · Sep 30, 2026
Rule 13d-1(b), qualified institution, not summed
2,646,572
2.2
Wasatch Core Growth Fund
Fund S000000877 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
332,318
2.3
Wasatch Ultra Growth Fund
Fund S000000879 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
193,528
2.4
Wasatch Small Cap Growth Fund
Fund S000000887 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
169,596
2.5
Wasatch Micro Cap Fund
Fund S000000885 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
80,744
3
KIBARIAN JOHN KACHIG
Insider CIK 1164239 · Sep 1, 2026
Director, PRESIDENT AND CEO, issuer-wide
2,562,474
3.1
John Kachig Kibarian
13G CIK 1164239 · Unknown · Dec 31, 2025
Rule 13d-1(d), exempt investor, not summed
2,562,474
4
NEEDHAM INVESTMENT MANAGEMENT LLC
13F CIK 1167212 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,065,000
4.1
Needham Aggressive Growth Fund
Fund S000003815 · Registered fund · Jun 30, 2026
Needham Funds Inc, not summed
1,705,000
4.2
Needham Growth Fund
Fund S000003649 · Registered fund · Jun 30, 2026
Needham Funds Inc, not summed
220,000
4.3
Needham Small Cap Growth Fund
Fund S000003816 · Registered fund · Jun 30, 2026
Needham Funds Inc, not summed
140,000
5
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,664,256
6
MICHAELS KIMON
Insider CIK 1165534 · Sep 1, 2026
Director, EVP of Products and Solutions, issuer-wide
1,570,370
7
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,457,748
8
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,386,498
8.1
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
344,499
8.2
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
216,813
8.3
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
11,229
8.4
State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF
Fund S000006973 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
6,237
8.5
State Street Total Return V.I.S. Fund
Fund S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
835
9
BARROW HANLEY MEWHINNEY & STRAUSS LLC
13F CIK 313028 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,319,627
10
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,193,069
11
Ranger Investment Management, L.P.
13F CIK 1319691 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,149,647
11.1
Ranger Micro Cap Fund
Fund S000033850 · Registered fund · Jul 31, 2026
SPEND LIFE WISELY FUNDS INVESTMENT TRUST, not summed
10,230
11.2
Ranger Small Cap Fund
Fund S000033849 · Registered fund · Jul 31, 2026
SPEND LIFE WISELY FUNDS INVESTMENT TRUST, not summed
7,140
12
SNYDER CAPITAL MANAGEMENT L P
13F CIK 1050477 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,033,997
13
Jupiter Topco LLC
13F CIK 2146052 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
927,781
14
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
927,267
15
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
917,962
16
EMERALD ADVISERS, LLC
13F CIK 1015083 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
884,294
17
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
841,186
17.1
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
174,058
17.2
Dimensional U.S. Small Cap ETF
Fund S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
133,448
17.3
U.S. MICRO CAP PORTFOLIO
Fund S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
127,407
17.4
Dimensional U.S. Core Equity 2 ETF
Fund S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
85,284
17.5
U.S. CORE EQUITY 2 PORTFOLIO
Fund S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
69,493
18
VANGUARD INFORMATION TECHNOLOGY INDEX FUND
Fund S000004452 · Registered fund · May 31, 2026
VANGUARD WORLD FUND, not summed
787,323
19
Janus Henderson Venture Fund
Fund S000010488 · Registered fund · Jun 30, 2026
Janus Investment Fund, not summed
751,580
20
JENNISON ASSOCIATES LLC
13F CIK 53417 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
716,075
21
Atreides Management, LP
13F CIK 1777813 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
658,536
22
LOOMIS SAYLES & CO L P
13F CIK 312348 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
643,268
22.1
Loomis Sayles Small Cap Value Fund
Fund S000006647 · Registered fund · Jun 30, 2026
LOOMIS SAYLES FUNDS I, not summed
54,868
23
Ophir Asset Management Pty Ltd
13F CIK 1844640 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
607,343
24
Point72 Asset Management, L.P.
13F CIK 1603466 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
598,902
25
EMERALD MUTUAL FUND ADVISERS TRUST
13F CIK 1352895 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
566,429
25.1
Emerald Growth Fund
Fund S000036390 · Registered fund · Apr 30, 2026
FINANCIAL INVESTORS TRUST, not summed
278,412
26
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13F CIK 1644956 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
554,226
26.1
William Blair Small Cap Growth Fund
Fund S000008602 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
164,799
26.2
William Blair Growth Fund
Fund S000008594 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
35,149
27
Samjo Management, LLC
13F CIK 1986590 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
548,285
28
Silverberg Bernstein Capital Management LLC
13F CIK 2007880 · Registered investment adviser · Sep 30, 2026
441,964
29
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
432,648
30
OBERWEIS ASSET MANAGEMENT INC/
13F CIK 937886 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
426,400
30.1
Oberweis Micro-Cap Fund
Fund S000010231 · Registered fund · Jun 30, 2026
OBERWEIS FUNDS, not summed
411,800
31
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
422,931
31.1
Invesco Dorsey Wright Technology Momentum ETF
Fund S000013110 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
221,845
31.2
Invesco S&P SmallCap Information Technology ETF
Fund S000028301 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
74,004
31.3
Invesco RAFI US 1500 Small-Mid ETF
Fund S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
26,850
31.4
Invesco S&P Smallcap 600 Pure Growth ETF
Fund S000060799 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
12,173
31.5
Invesco S&P SmallCap 600 Revenue ETF
Fund S000064596 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
7,260
32
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
398,614
32.1
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
16,726
32.2
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
9,055
32.3
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
92
33
JPMorgan Small Cap Growth Fund
Fund S000003859 · Registered fund · Jun 30, 2026
JPMorgan Trust II, not summed
395,497
34
Russell Investments Group, Ltd.
13F CIK 1692234 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
395,078
34.1
U.S. Small Cap Equity Fund
Fund S000001586 · Registered fund · Jul 31, 2026
RUSSELL INVESTMENT CO, not summed
108,097
34.2
U.S. Small Cap Equity Fund
Fund S000006864 · Registered fund · Jun 30, 2026
RUSSELL INVESTMENT FUNDS, not summed
31,400
34.3
Russell Investments U.S. Small Cap Equity ETF
Fund S000089990 · Registered fund · Jun 30, 2026
Russell Investments Exchange Traded Funds, not summed
7,116
35
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
389,554
35.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
20
36
American Beacon Small Cap Value Fund
Fund S000001818 · Registered fund · Jul 31, 2026
AMERICAN BEACON FUNDS, not summed
382,421
37
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
371,392
37.1
Goldman Sachs Small Cap Equity Insights Fund
Fund S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
23,800
37.2
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund S000048296 · Registered fund · Aug 31, 2026
Goldman Sachs ETF Trust, not summed
20,154
37.3
Goldman Sachs Small Cap Growth Insights Fund
Fund S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
14,030
37.4
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Aug 31, 2026
GOLDMAN SACHS TRUST, not summed
2,352
38
Shannon River Fund Management LLC
13F CIK 1301050 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
369,776
39
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
367,090
39.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · Aug 31, 2026
SCHWAB STRATEGIC TRUST, not summed
179,908
39.2
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
80,034
39.3
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
24,651
39.4
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · Aug 31, 2026
SCHWAB STRATEGIC TRUST, not summed
22,883
39.5
Schwab Small-Cap Equity Fund
Fund S000005516 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
19,246
40
DF DENT & CO INC
13F CIK 934999 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
354,951
40.1
DF DENT SMALL CAP GROWTH FUND
Fund S000037552 · Registered fund · Jun 30, 2026
FORUM FUNDS, not summed
55,653
41
SEGALL BRYANT & HAMILL, LLC
13F CIK 1006378 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
347,244
41.1
SBH SMALL CAP CORE FUND
Fund S000067438 · Registered fund · Jun 30, 2026
Segall Bryant & Hamill Trust, not summed
19,744
42
BAILLIE GIFFORD & CO
13F CIK 1088875 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
345,472
43
Emerald Growth Fund
Fund S000093696 · Registered fund · Jul 31, 2026
RBB Fund, Inc., not summed
344,226
44
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
310,389
44.1
Fidelity Small Cap Index Fund
Fund S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
361,713
44.2
Fidelity Enhanced Small Cap Core ETF
Fund S000081807 · Registered fund · Jun 30, 2026
Fidelity Covington Trust, not summed
209,653
44.3
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
180,995
44.4
Fidelity MSCI Information Technology Index ETF
Fund S000042577 · Registered fund · Jul 31, 2026
FIDELITY COVINGTON TRUST, not summed
100,191
44.5
Fidelity Total Market Index Fund
Fund S000006026 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
72,303
45
Divisar Capital Management LLC
13F CIK 1645721 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
307,879
46
PGIM Jennison Small Company Fund
Fund S000004629 · Registered fund · Jun 30, 2026
Prudential Jennison Small Co Fund, Inc., not summed
281,825
47
ArrowMark Colorado Holdings LLC
13F CIK 1483859 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
274,537
47.1
Meridian Contrarian Fund
Fund S000001463 · Registered fund · Jun 30, 2026
Meridian Fund Inc, not summed
199,000
47.2
Meridian Small Cap Growth Fund
Fund S000042770 · Registered fund · Jun 30, 2026
Meridian Fund Inc, not summed
44,670
48
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
264,958
49
FIRST TRUST ADVISORS LP
13F CIK 1125816 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
261,686
49.1
First Trust Small Cap Growth AlphaDEX Fund
Fund S000031806 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
123,964
49.2
First Trust Small Cap Core AlphaDEX Fund
Fund S000017339 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
61,614
49.3
First Trust Multi Cap Growth AlphaDEX Fund
Fund S000017343 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
11,229
50
Bank of New York Mellon Corp
13F CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
208,318

37 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 395 holders

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Key facts CIK 1120914 CUSIP 693282105 13F (30d) 52 filings 52 filers Visit website Investor relations