PDF SolutionsPDFS

13F holders, Q4 2025 (December 31)
188holders +5
25new positions
23sold out
4famous investors
$28.53avg. 13F price*

At the end of Q4 2025, 188 institutions reported holding PDF Solutions Inc. (PDFS) in their 13F filings, up 5 from Q3 2025. 25 opened new positions and 23 sold out. The largest holders were BlackRock, Inc. ($139.4M), Vanguard Group Inc. ($88.1M) and Needham Investment Management LLC ($56.1M). 4 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Ken Fisher (0.0% of Fisher Asset Management's portfolio).

Company
PDF Solutions Inc.
CUSIP
693282105
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300 Q1 2024: 180Q1 2024Q2 2024: 173Q2 2024Q3 2024: 176Q3 2024Q4 2024: 178Q4 2024Q1 2025: 168Q1 2025Q2 2025: 172Q2 2025Q3 2025: 183Q3 2025Q4 2025: 188Q4 2025Q1 2026: 208Q1 2026Q2 2026: 283Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions25$32.2M
Exits23$23.0M

All 13F filers, Q3 2025 → Q4 2025: 2,341,675 shares bought and 1,756,819 shares sold, net +584,856 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 188 holders

BlackRock, Inc. 0.00% Add +0.5% 4,885,246 $139.4M
Vanguard Group Inc. 0.00% Reduce -2.1% 3,089,519 $88.1M
Needham Investment Management LLC 3.54% Reduce -2.6% 1,965,000 $56.1M
William Blair Investment Management, LLC 0.11% Add +0.7% 1,358,481 $38.8M
Ranger Investment Management, L.P. 2.29% Add +10.7% 1,170,014 $33.4M
State Street Corp. 0.00% Add +0.5% 1,151,576 $32.9M
Samjo Management, LLC 12.69% Add +2.7% 1,151,019 $32.8M
Snyder Capital Management L P 0.51% Add +19.4% 955,435 $27.3M
Emerald Advisers, LLC 0.83% Add +0.1% 943,372 $26.9M
Janus Henderson Group PLC 0.01% Add +16.4% 912,135 $26.0M
Dimensional Fund Advisors LP 0.00% Reduce -1.3% 800,963 $22.9M
Geode Capital Management, LLC 0.00% Add +0.6% 770,152 $22.0M
Divisar Capital Management LLC 6.09% Add +11.1% 759,815 $21.7M
Ophir Asset Management Pty Ltd 2.31% New 723,127 $20.6M
Emerald Mutual Fund Advisers Trust 0.83% No change 594,610 $17.0M
Wasatch Advisors LP 0.09% Reduce -4.7% 522,320 $14.9M
ArrowMark Colorado Holdings LLC 0.31% Add +9.2% 493,343 $14.1M
Silverberg Bernstein Capital Management LLC 7.81% Add +3.3% 473,883 $13.5M
Loomis Sayles & Co. L P 0.02% Add +28.1% 465,182 $13.3M
Russell Investments Group, Ltd. 0.01% Add +8.8% 407,370 $11.6M
Morgan Stanley 0.00% Add +11.7% 399,222 $11.4M
Connor, Clark & Lunn Investment Management Ltd. 0.03% Reduce -1.7% 388,337 $11.1M
Pillsbury Lake Capital LLC 4.37% — 376,069 $10.7M
Northern Trust Corp. 0.00% Reduce -4.4% 347,934 $9.9M
Charles Schwab Investment Management Inc. 0.00% Add +2.8% 306,825 $8.8M
FMR LLC 0.00% Add +12.1% 267,075 $7.6M
HERALD INVESTMENT MANAGEMENT Ltd 0.84% Add +12.5% 225,000 $6.4M
Roubaix Capital, LLC 2.68% Add +6.6% 220,022 $6.3M
Squarepoint Ops LLC 0.01% Reduce -14.5% 217,560 $6.2M
Bank of New York Mellon Corp 0.00% Reduce -3.5% 197,821 $5.6M
Goldman Sachs Group Inc. 0.00% Add +35.1% 189,818 $5.4M
Principal Financial Group Inc. 0.00% Reduce -1.1% 153,048 $4.4M
Rice Hall James & Associates, LLC 0.23% Reduce -7.9% 147,655 $4.2M
Invesco Ltd. 0.00% Add +26.6% 136,138 $3.9M
Brown Capital Management LLC 0.29% New 125,137 $3.6M
Prelude Capital Management, LLC 0.24% Add +15.2% 116,450 $3.3M
Public Sector Pension Investment Board 0.01% Reduce -11.2% 110,729 $3.2M
Nuveen, LLC 0.00% Add +37.6% 110,629 $3.2M
Mutual of America Capital Management LLC 0.03% Reduce -0.5% 107,649 $3.1M
Lisanti Capital Growth, LLC 0.71% New 105,540 $3.0M
Gem Investment Advisors, LLC 2.85% — 105,526 $3.0M
Bridge City Capital, LLC 0.86% Reduce -12.4% 102,324 $2.9M
Rhumbline Advisers 0.00% Reduce -5.1% 82,477 $2.4M
Legal & General Group Plc 0.00% Reduce -6.3% 81,420 $2.3M
Wells Fargo & Company 0.00% Add +22.9% 80,702 $2.3M
Bank of America Corp. 0.00% Add +4.7% 79,873 $2.3M
Two Sigma Investments, LP 0.00% Add +504.1% 64,986 $1.9M
UBS Group AG 0.00% Reduce -36.7% 63,081 $1.8M
Deutsche Bank AG 0.00% Add +0.2% 62,770 $1.8M
Swiss National Bank 0.00% Add +3.8% 62,400 $1.8M
Ameriprise Financial Inc. 0.00% Reduce -7.0% 58,808 $1.7M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +18.2% 57,878 $1.7M
Boothbay Fund Management, LLC 0.04% Reduce -3.5% 55,432 $1.6M
Dana Investment Advisors, Inc. 0.05% Reduce -35.3% 55,277 $1.6M
Dark Forest Capital Management LP 0.07% Add +7.3% 55,068 $1.6M
Legato Capital Management LLC 0.13% Add +96.3% 53,530 $1.5M
Acadian Asset Management LLC 0.00% Reduce -40.7% 53,169 $1.5M
Voya Investment Management LLC 0.00% Add +1.8% 52,828 $1.5M
Barclays PLC 0.00% Add +1.9% 50,556 $1.4M
Jane Street Group, LLC 0.00% Add +212.2% 49,156 $1.4M
Arrowstreet Capital, Limited Partnership 0.00% Reduce -55.0% 48,553 $1.4M
Raymond James Financial Inc. 0.00% Add +43.7% 48,548 $1.4M
AQR Capital Management 0.00% Reduce -29.7% 46,232 $1.3M
Alliancebernstein L.P. 0.00% Add +31.2% 43,780 $1.2M
Sei Investments Co. 0.00% New 42,209 $1.2M
Envestnet Asset Management Inc. 0.00% Reduce -9.0% 42,129 $1.2M
Fisher Asset Management 0.00% Add +6.6% 40,603 $1.2M
Citadel Advisors 0.00% Add +6.9% 39,856 $1.1M
Creative Planning 0.00% Reduce -3.5% 37,604 $1.1M
Verition Fund Management LLC 0.01% Add +169.9% 37,536 $1.1M
Victory Capital Management Inc. 0.00% Reduce -3.5% 36,300 $1.0M
New York State Common Retirement Fund 0.00% No change 35,411 $1.0M
CenterBook Partners LP 0.05% Reduce -80.5% 34,476 $984K
Susquehanna Fundamental Investments, LLC 0.03% Add +2.6% 32,230 $920K
Williams Jones Wealth Management, LLC. 0.01% No change 32,000 $913K
California State Teachers Retirement System 0.00% Add +7.8% 30,945 $883K
Two Sigma Advisers, LP 0.00% New 30,900 $882K
Prudential Financial Inc. 0.00% Reduce -7.5% 30,492 $870K
Gsa Capital Partners LLP 0.07% Reduce -60.1% 26,752 $763K
CANADA LIFE ASSURANCE Co 0.00% Reduce -37.8% 25,033 $714K
Kings Path Partners LLC 0.24% No change 24,500 $699K
Thrivent Financial for Lutherans 0.00% Reduce -4.7% 21,992 $627K
Assenagon Asset Management S.A. 0.00% Add +4.0% 21,329 $609K
M&T Bank Corp 0.00% Add +28.8% 20,165 $575K
Prescott Group Capital Management, L.L.C. 0.05% No change 20,000 $571K
Penn Capital Management Company, LLC 0.05% Reduce -83.0% 19,976 $570K
Nano Cap New Millennium Growth Fund L P 0.47% — 19,500 $556K
Federated Hermes, Inc. 0.00% New 19,300 $551K
T. Rowe Price Associates Inc. 0.00% Add +13.8% 19,156 $547K
SG Americas Securities, LLC 0.00% Add +36.1% 18,959 $541K
MetLife Investment Management, LLC 0.00% No change 18,692 $533K
Quantinno Capital Management LP 0.00% Add +27.0% 18,438 $526K
Wealth Enhancement Advisory Services, LLC 0.00% Reduce -0.3% 16,045 $515K
CVA Family Office, LLC 0.06% New 17,774 $507K
State of Alaska, Department of Revenue 0.01% Add +1.1% 17,587 $501K
Inspire Investing, LLC 0.04% Reduce -8.5% 16,270 $464K
Natixis Advisors, LLC 0.00% Add +26.4% 16,070 $458K
Susquehanna International Group, LLP 0.00% Reduce -26.5% 15,702 $448K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -1.1% 14,802 $422K
Louisiana State Employees Retirement System 0.01% No change 14,700 $419K
Illinois Municipal Retirement Fund 0.01% New 14,667 $418K
Amundi 0.00% New 14,516 $414K
AlphaQuest LLC 0.02% Reduce -16.2% 13,785 $393K
JPMorgan Chase & Co. 0.00% Reduce -0.4% 13,596 $388K
Quantbot Technologies LP 0.01% New 13,005 $371K
Guggenheim Capital LLC 0.00% New 11,757 $335K
Intech Investment Management LLC 0.00% Add +8.3% 11,394 $325K
Yousif Capital Management, LLC 0.00% Reduce -11.6% 8,610 $307K
Royal Bank of Canada 0.00% Reduce -41.1% 10,618 $303K
Clarus Group, Inc. 0.11% Add +22.1% 10,553 $301K
LPL Financial LLC 0.00% Add +7.6% 10,399 $297K
D. E. Shaw & Co. 0.00% Reduce -69.7% 10,152 $290K
Citigroup Inc. 0.00% Reduce -66.3% 9,938 $284K
Manufacturers Life Insurance Company, The 0.00% Reduce -13.6% 9,799 $280K
Amalgamated Bank 0.00% Add +0.6% 9,292 $265K
State Board of Administration of Florida Retirement System 0.00% No change 8,987 $256K
Significant Wealth Partners LLC 0.29% Reduce -54.0% 8,977 $256K
Police & Firemen's Retirement System of New Jersey 0.00% No change 8,841 $252K
Arizona State Retirement System 0.00% Reduce -4.8% 8,802 $251K
Susquehanna Portfolio Strategies, LLC 0.00% No change 8,353 $238K
Teachers Retirement System of the State of Kentucky 0.00% Reduce -9.8% 7,939 $227K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% Reduce -2.8% 7,923 $226K
Vanguard Personalized Indexing Management, LLC 0.00% Reduce -2.9% 7,672 $219K
New York State Teachers Retirement System 0.00% No change 7,556 $216K
BNP Paribas Financial Markets 0.00% Reduce -28.6% 7,563 $216K
State of Tennessee, Department of Treasury 0.00% Reduce -52.5% 6,752 $215K
Numerai GP LLC 0.03% Reduce -50.0% 7,492 $214K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 7,432 $212K
Oregon Public Employees Retirement Fund 0.00% Add +1.9% 7,324 $209K
PNC Financial Services Group, Inc. 0.00% Add +12.1% 7,096 $202K
Comerica Bank 0.00% Reduce -19.4% 7,040 $201K
KLP Kapitalforvaltning As 0.00% Add +15.3% 6,800 $194K
State of Wyoming 0.02% New 5,851 $167K
Osaic Holdings, Inc. 0.00% Reduce -2.0% 4,978 $142K
1620 Investment Advisors, Inc. 0.07% No change 3,870 $110K
Tower Research Capital LLC (TRC) 0.00% Add +93.8% 3,363 $96K
Kestra Advisory Services, LLC 0.00% New 2,874 $82K
Ameritas Investment Partners, Inc. 0.00% No change 2,695 $77K
Cwm, LLC 0.00% Add +2.5% 2,159 $62K
GAMMA Investing LLC 0.00% Add +10.5% 2,143 $61K
Signaturefd, LLC 0.00% Add +12.1% 1,815 $52K
Pinnacle Wealth Planning Services, Inc. 0.00% New 1,654 $47K
Versant Capital Management, Inc 0.01% No change 1,488 $42K
Nisa Investment Advisors, LLC 0.00% Reduce -33.3% 1,362 $39K
Hantz Financial Services, Inc. 0.00% Add +122.8% 1,116 $32K
Lanark Financial, Inc. 0.00% Reduce -4.0% 923 $26K
MassMutual Private Wealth & Trust, FSB 0.00% No change 829 $24K
Quadrant Capital Group LLC 0.00% No change 795 $23K
Bell Investment Advisors, Inc 0.00% Reduce -8.2% 699 $20K
UMB Bank, n.a. 0.00% Reduce -27.9% 686 $20K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Add +14.4% 627 $18K
Larson Financial Group LLC 0.00% Add +11.3% 543 $15K
Simplex Trading, LLC 0.00% New 540 $15K
Huntington National Bank 0.00% Add +33.2% 538 $15K
Fifth Third Bancorp 0.00% Add +15.4% 383 $11K
Smartleaf Asset Management LLC 0.00% Add +9.4% 280 $8K
Bessemer Group Inc. 0.00% Add +71.7% 285 $8K
Salomon & Ludwin, LLC 0.00% Add +85.5% 230 $7K
Sterling Capital Management LLC 0.00% Add +175.3% 212 $6K
EverSource Wealth Advisors, LLC 0.00% No change 199 $6K
Los Angeles Capital Management LLC 0.00% New 190 $6K
Sound Income Strategies, LLC 0.00% New 135 $5K
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% No change 137 $4K
Arax Advisory Partners 0.00% Reduce -85.1% 131 $4K
Parallel Advisors, LLC 0.00% No change 104 $3K
Farther Finance Advisors, LLC 0.00% No change 72 $2K
Rothschild Investment LLC 0.00% Add +10.0% 66 $2K
Rockefeller Capital Management L.P. 0.00% Reduce -84.4% 65 $2K
Parkside Financial Bank & Trust 0.00% No change 64 $2K
Covestor Ltd 0.00% Add +560.0% 33 $1K
Essential Partners LLC 0.00% No change 34 $970
US Bancorp \de 0.00% New 31 $884
SBI Securities Co., Ltd. 0.00% Reduce -3.1% 31 $884
Annis Gardner Whiting Capital Advisors, LLC 0.00% No change 30 $856
DecisionPoint Financial, LLC 0.00% No change 21 $600
Farmers & Merchants Investments Inc. 0.00% No change 21 $599
Allworth Financial LP 0.00% Add +200.0% 9 $257
Global Retirement Partners, LLC 0.00% New 8 $228
CIBC Private Wealth Group LLC 0.00% New 7 $200
Ankerstar Wealth, LLC 0.00% — 6 $171
Flagship Harbor Advisors, LLC 0.00% New 6 $171
Assetmark, Inc. 0.00% New 5 $143
Cedar Mountain Advisors, LLC 0.00% New 5 $143
Caitong International Asset Management Co., Ltd 0.00% New 4 $114
Gilpin Wealth Management, LLC 0.00% — 3 $86
IFP Advisors, Inc 0.00% Reduce -50.0% 2 $57
Root Financial Partners, LLC 0.00% New 2 $57
Capital Advisors, Ltd. LLC 0.00% No change 8 $0

"% of holder's portfolio" is PDFS's weight in each manager's 13F, not the share of PDF Solutions Inc. the manager owns.