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Disclosery

PDFS PDF SOLUTIONS INC

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COMMON STOCK (common), issuer CIK 1120914

178 managers (183 13F filers) reported a position in PDFS shares at 2025-09-30, 29,712,092 shares in all. 36 filers opened a position and 26 filers sold out during the quarter.

Managers
178
13F filers
183
New
36
Added
68
Reduced
57
Sold out
26
Shares held by filers
29,712,092

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.4,863,204$126M<0.01%+65,53413F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding3,162,516$81.7M-21,184Timeline
NEEDHAM INVESTMENT MANAGEMENT LLCin group NEEDHAM INVESTMENT MANAGEMENT…2,018,550$52.1M3.64%+105,05013F-HRTimelineGroup
EMERALD ADVISERS, LLCgroup of 2 filers holding1,537,265$39.7M+1,494Timeline
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC1,349,441$34.8M0.09%+162,35813F-HRTimeline
STATE STREET CORPin group STATE STREET CORP1,145,957$29.6M<0.01%+8,67113F-HRTimelineGroup
Samjo Management, LLC1,120,719$28.9M11.05%+184,92513F-HRTimeline
Ranger Investment Management, L.P.1,057,210$27.3M1.9%+11,66513F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP811,293$20.9M<0.01%-35,15713F-HRTimelineGroup
SNYDER CAPITAL MANAGEMENT L P800,357$20.7M0.39%-12,28213F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson783,865$20.2M0.01%-17,74113F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC765,715$19.8M<0.01%-18,98613F-HRTimelineGroup
Divisar Capital Management LLC684,082$17.7M4.81%+72,69513F-HRTimeline
WASATCH ADVISORS LP547,818$14.1M0.08%-643,55513F-HRTimeline
Silverberg Bernstein Capital Management…458,783$11.8M7.19%+40,00013F-HRTimeline
ArrowMark Colorado Holdings LLC451,788$11.7M0.22%+386,78813F-HRTimeline
Connor, Clark & Lunn Investment Managem…395,110$10.2M0.03%+53,88313F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…374,251$9.66M0.01%+59,59213F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP363,789$9.39M<0.01%-8,74513F-HRTimelineGroup
LOOMIS SAYLES & CO L Pin group LOOMIS SAYLES & CO L P363,183$9.38M0.01%+321,63713F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY357,269$9.22M<0.01%-210,43213F-HR/ATimelineGroup
CANNELL CAPITAL LLC337,315$8.71M2.29%new13F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co298,547$7.71M<0.01%+10,01513F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC254,511$6.57M0.01%+201,33713F-HRTimelineGroup
FMR LLCin group FMR LLC238,296$6.15M<0.01%+7,62213F-HRTimelineGroup
Roubaix Capital, LLC206,348$5.33M2.48%new13F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp204,917$5.29M<0.01%-5,16513F-HRTimelineGroup
HERALD INVESTMENT MANAGEMENT Ltd200,000$5.16M0.69%013F-HRTimeline
CenterBook Partners LP176,463$4.56M0.23%+17,64713F-HRTimeline
RICE HALL JAMES & ASSOCIATES, LLC160,263$4.14M0.23%+68,57413F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC154,675$3.99M<0.01%-70613F-HRTimelineGroup
Kent Lake PR LLC150,000$3.87M1.98%+7,77913F-HRTimeline
UBS Group AGgroup of 2 filers holding148,599$3.84M-56,998Timeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC140,508$3.63M<0.01%+77,50813F-HRTimelineGroup
Public Sector Pension Investment Board124,673$3.22M0.01%+17,89513F-HRTimeline
Penn Capital Management Company, LLC117,463$3.03M0.23%+2,79313F-HRTimeline
Bridge City Capital, LLC116,832$3.02M0.81%+33,08513F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…108,204$2.79M0.03%+1,82713F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …107,882$2.79M<0.01%+67,83513F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.107,523$2.78M<0.01%+10,62613F-HRTimelineGroup
ExodusPoint Capital Management, LP105,790$2.73M0.04%+94,07413F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC101,051$2.61M0.2%new13F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC90,100$2.33M<0.01%+20,80013F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC89,659$2.31M<0.01%-121,50213F-HRTimelineGroup
ALGERT GLOBAL LLC89,292$2.31M0.04%-15,42813F-HR/ATimeline
Legal & General Group Plcin group Legal & General Group Plc86,938$2.24M<0.01%-2,34313F-HRTimelineGroup
RHUMBLINE ADVISERS86,918$2.24M<0.01%-45,42513F-HRTimeline
Dana Investment Advisors, Inc.85,395$2.2M0.06%+25,98513F-HRTimeline
Nuveen, LLCin group TIAA80,384$2.08M<0.01%-228,00513F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/76,257$1.97M<0.01%-27,18613F-HR/ATimelineGroup
GSA CAPITAL PARTNERS LLP67,131$1.73M0.14%new13F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC65,791$1.7M<0.01%+10,86813F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN65,647$1.7M<0.01%+2,60813F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC63,206$1.63M<0.01%-41,42613F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\62,671$1.62M<0.01%-40,03113F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 3 filers holding61,133$1.58M-27,484Timeline
Swiss National Bank60,100$1.55M<0.01%013F-HRTimeline
Qube Research & Technologies Ltd57,860$1.49M<0.01%-98,89913F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC57,442$1.48M0.04%new13F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC51,894$1.34M<0.01%-6,50113F-HRTimelineGroup
DARK FOREST CAPITAL MANAGEMENT LP51,347$1.33M0.05%+2,99013F-HR/ATimeline
BARCLAYS PLCin group BARCLAYS PLC49,631$1.28M<0.01%-13,77413F-HR/ATimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC46,283$1.2M<0.01%-3,27013F-HRTimelineGroup
Man Group plcin group Man Group plc42,385$1.09M<0.01%new13F-HRTimelineGroup
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co40,230$1.05M<0.01%013F-HRTimelineGroup
Creative Planningin group Creative Planning38,962$1.01M<0.01%+22813F-HRTimelineGroup
Fisher Asset Management, LLC38,086$983K<0.01%-5,59313F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC37,600$971K<0.01%+8,60013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC37,290$963K<0.01%-64,78613F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND35,411$914K<0.01%+8,30013F-HRTimeline
HRT FINANCIAL LP35,058$905K<0.01%new13F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP34,767$898K<0.01%new13F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC33,776$872K<0.01%+5,80913F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.33,468$864K<0.01%-139,39313F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.33,380$862K<0.01%013F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC32,981$852K<0.01%013F-HRTimelineGroup
Williams Jones Wealth Management, LLC.32,000$826K0.01%013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC29,525$762K<0.01%-1,62913F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…28,719$742K<0.01%-30313F-HRTimeline
Legato Capital Management LLC27,262$704K0.08%+8,38513F-HRTimeline
Kings Path Partners LLC24,500$633K0.23%+1,65013F-HRTimeline
DRW Securities, LLC23,986$622K0.03%new13F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…23,078$596K<0.01%+5413F-HRTimelineGroup
Assenagon Asset Management S.A.20,503$529K<0.01%-2,70113F-HRTimeline
Prescott Group Capital Management, L.L.…20,000$516K0.05%new13F-HRTimeline
Significant Wealth Partners LLC19,499$503K0.25%+83613F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…18,692$483K<0.01%013F-HRTimelineGroup
PITCAIRN COin group PITCAIRN CO18,028$465K0.04%+5,06213F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA18,044$465K<0.01%-4,24713F-HRTimelineGroup
Inspire Investing, LLCin group Inspire Investing, LLC17,786$459K0.04%-67913F-HRTimelineGroup
State of Alaska, Department of Revenue17,399$448K<0.01%-1,24613F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/16,826$435K<0.01%+86813F-HRTimeline
FNY Investment Advisers, LLC16,610$428K0.14%new13F-HRTimeline
AlphaQuest LLC16,457$425K0.03%+11,22613F-HRTimeline
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.in group LANDSCAPE CAPITAL MANAGEMENT,…16,318$421K0.03%new13F-HRTimelineGroup
Pathstone Holdings, LLCin group Pathstone Holdings, LLC15,897$410K<0.01%-2,83013F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…16,088$409K<0.01%+3,97313F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC15,746$407K<0.01%new13F-HRTimelineGroup
M&T Bank Corpin group M&T Bank Corp15,657$404K<0.01%-213F-HRTimelineGroup
Numerai GP LLC14,983$387K0.05%new13F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…14,971$387K<0.01%-2,52113F-HRTimelineGroup
Louisiana State Employees Retirement Sy…14,700$380K0.01%+10013F-HRTimeline
Quantinno Capital Management LP14,513$375K<0.01%+3,66713F-HRTimeline
State of Tennessee, Department of Treas…14,203$367K<0.01%-15,91913F-HRTimeline
SG Americas Securities, LLC13,933$360K<0.01%new13F-HRTimeline
Verition Fund Management LLC13,908$359K<0.01%-8,08113F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO13,648$352K<0.01%-38,33813F-HR/ATimelineGroup
NATIXIS ADVISORS, LLCin group Natixis Investment Managers12,713$328K<0.01%+90013F-HRTimelineGroup
INCEPTIONR LLC12,648$327K0.08%new13F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …11,338$293K<0.01%-5,54513F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP10,758$278K<0.01%new13F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS10,594$274K<0.01%+2,15913F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC10,516$272K<0.01%-7,13413F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC9,738$251K<0.01%-1,87113F-HRTimeline
LPL Financial LLC9,665$250K<0.01%new13F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM9,250$239K<0.01%new13F-HRTimeline
AMALGAMATED BANK9,237$238K<0.01%+35913F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…8,987$232K<0.01%new13F-HRTimeline
Police & Firemen's Retirement System of…8,841$228K<0.01%+1,45413F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…8,799$227K<0.01%-75813F-HRTimeline
COMERICA BANK8,735$226K<0.01%-1,77813F-HRTimeline
Clarus Group, Inc.8,643$223K0.08%new13F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…8,147$210K<0.01%new13F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…7,556$195K<0.01%013F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…7,432$192K<0.01%013F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND7,187$186K<0.01%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…6,332$163K<0.01%+1,94313F-HRTimelineGroup
KLP KAPITALFORVALTNING AS5,900$152K<0.01%013F-HRTimeline
Aquatic Capital Management LLC5,446$141K<0.01%-40213F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.5,081$130K<0.01%+4,23013F-HRTimelineGroup
iSAM Funds (UK) Ltdin group iSAM Funds (UK) Ltd3,888$100K0.02%new13F-HRTimelineGroup
1620 INVESTMENT ADVISORS, INC.3,870$99.9K0.07%-5213F-HRTimeline
Johnson Financial Group, Inc.in group Johnson Financial Group, Inc.3,200$82.6K<0.01%new13F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,695$69.6K<0.01%-35013F-HRTimelineGroup
CWM, LLCin group CWM, LLC2,106$54K<0.01%+27113F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC2,041$52.7K<0.01%+14513F-HRTimeline
GAMMA Investing LLC1,939$50.1K<0.01%+8513F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,735$44.8K<0.01%-1,65713F-HRTimelineGroup
SIGNATUREFD, LLC1,619$41.8K<0.01%+28913F-HRTimeline
Versant Capital Management, Inc1,488$38.4K0.01%-20113F-HRTimeline
LANARK FINANCIAL, INC.961$24.8K<0.01%-8013F-HRTimeline
UMB Bank, n.a.951$24.6K<0.01%+55313F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Arax Advisory Partners879$22.7K<0.01%+75713F-HRTimeline
MassMutual Private Wealth & Trust, FSB829$21.4K<0.01%+6413F-HRTimeline
QUADRANT CAPITAL GROUP LLC795$20.5K<0.01%new13F-HRTimeline
Bell Investment Advisors, Inc761$19.6K<0.01%013F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …548$14K<0.01%+7713F-HRTimelineGroup
HANTZ FINANCIAL SERVICES, INC.501$13K<0.01%+18113F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Larson Financial Group LLC488$12.6K<0.01%-1213F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…417$10.8K<0.01%new13F-HRTimelineGroup
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK404$10.4K<0.01%-11513F-HRTimelineGroup
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…332$8.57K<0.01%+11013F-HRTimelineGroup
Smartleaf Asset Management LLC256$6.68K<0.01%+813F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…199$5.14K<0.01%-2613F-HRTimelineGroup
MAI Capital Management174$4.49K<0.01%013F-HRTimeline
Wealthspire Advisors, LLC174$4.49K<0.01%new13F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC166$4K<0.01%new13F-HRTimelineGroup
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/152$3.92K<0.01%new13F-HRTimelineGroup
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…137$3.54K<0.01%013F-HRTimelineGroup
Salomon & Ludwin, LLC124$3.24K<0.01%new13F-HRTimeline
Advisory Services Network, LLC110$2.84K<0.01%new13F-HRTimeline
Parallel Advisors, LLC104$2.69K<0.01%013F-HRTimeline
Aster Capital Management (DIFC) Ltd83$2.14K<0.01%new13F-HRTimeline
Sterling Capital Management LLC77$1.99K<0.01%+413F-HRTimeline
Farther Finance Advisors, LLC72$1.86K<0.01%+613F-HRTimeline
Parkside Financial Bank & Trust64$1.65K<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC60$1.55K<0.01%013F-HRTimeline
Essential Partners LLC34$878<0.01%+1413F-HRTimeline
SBI Securities Co., Ltd.32$826<0.01%+113F-HRTimeline
Annis Gardner Whiting Capital Advisors,…30$775<0.01%013F-HRTimeline
DecisionPoint Financial, LLC21$551<0.01%013F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…21$542<0.01%013F-HRTimelineGroup
Clearstead Trust, LLC13$336<0.01%013F-HRTimeline
IFP Advisors, Inc4$103<0.01%+413F-HR/ATimeline
Allworth Financial LP3$78<0.01%new13F-HRTimeline
Tortoise Investment Management, LLC2$52<0.01%new13F-HRTimeline
Capital Advisors, Ltd. LLC8$00%013F-HRTimelineValue filed as zero, left out of ratios.
Covestor Ltd5$00%-1313F-HRTimelineValue filed as zero, left out of ratios.

Events

  • WASATCH ADVISORS LP reported 2,646,572 PDFS shares, 6.3% of the class, as of 2026-09-30, in a 13G filed 2026-10-09. 0000814133-26-000127

    Accepted , ingested