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PDF Solutions Inc

PDFS
Exchange
Nasdaq
Industry
Services-Prepackaged Software
SEC CIK
0001120914

In the last 90 days, PDF Solutions Inc insiders filed 0 open-market purchases and 2 sales; 283 institutions reported holding it in 13F filings for Q2 2026, worth $2.75B in total; no superinvestor holds it.

13F holders, Q1 2023

Institutional positions in PDF Solutions Inc as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
178
+29 vs. Q4 2022
Shares held
27.2M
+867.4K (+3.3%) vs. Q4 2022
Total value
$1.15B
+$397.9M (+52.9%) vs. Q4 2022
New holders
36
56 more added
Sold out
7
62 more reduced

2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PDFS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 178 institutions
Q1 2021: 102 institutionsQ2 2021: 116 institutionsQ3 2021: 112 institutionsQ4 2021: 134 institutionsQ1 2022: 129 institutionsQ2 2022: 127 institutionsQ3 2022: 136 institutionsQ4 2022: 151 institutionsQ1 2023: 178 institutionsQ2 2023: 180 institutionsQ3 2023: 184 institutionsQ4 2023: 198 institutionsQ1 2024: 180 institutionsQ2 2024: 173 institutionsQ3 2024: 176 institutionsQ4 2024: 178 institutionsQ1 2025: 168 institutionsQ2 2025: 173 institutionsQ3 2025: 183 institutionsQ4 2025: 188 institutionsQ1 2026: 208 institutionsQ2 2026: 283 institutions
Value heldQ1 2023: $1.15B
Q1 2021: $457.1MQ2 2021: $508.8MQ3 2021: $598.3MQ4 2021: $839.9MQ1 2022: $742.9MQ2 2022: $557.5MQ3 2022: $643.7MQ4 2022: $752.9MQ1 2023: $1.15BQ2 2023: $1.25BQ3 2023: $891.9MQ4 2023: $939.7MQ1 2024: $989.4MQ2 2024: $1.02BQ3 2024: $901.4MQ4 2024: $766.0MQ1 2025: $530.0MQ2 2025: $624.1MQ3 2025: $767.5MQ4 2025: $874.0MQ1 2026: $1.05BQ2 2026: $2.75B
Institutions holding PDFS and their total value by quarter
QuarterHoldersValue
Q2 2026283$2.75B
Q1 2026208$1.05B
Q4 2025188$874.0M
Q3 2025183$767.5M
Q2 2025173$624.1M
Q1 2025168$530.0M
Q4 2024178$766.0M
Q3 2024176$901.4M
Q2 2024173$1.02B
Q1 2024180$989.4M
Q4 2023198$939.7M
Q3 2023184$891.9M
Q2 2023180$1.25B
Q1 2023178$1.15B
Q4 2022151$752.9M
Q3 2022136$643.7M
Q2 2022127$557.5M
Q1 2022129$742.9M
Q4 2021134$839.9M
Q3 2021112$598.3M
Q2 2021116$508.8M
Q1 2021102$457.1M

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding PDF Solutions Inc; share changes are against Q4 2022.

Institutions holding PDFS in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.4,627,087$196.2M0.01%−5,875−0.1%Reduced
Invesco Ltd.3,457,852$146.6M0.04%+207,154+6.4%Added
Vanguard Group Inc2,263,972$96.0M0.00%+10,681+0.5%Added
Snyder Capital Management L P1,262,245$53.5M1.14%−86,424−6.4%Reduced
Wasatch Advisors Inc1,106,316$46.9M0.29%−237,055−17.6%Reduced
State Street Corp980,567$41.6M0.00%+25,178+2.6%Added
Dimensional Fund Advisors LP932,143$39.5M0.01%+1,951+0.2%Added
Cowen Prime Advisors LLC1,010,532$36.4M14.58%−420,872−29.4%Reduced
William Blair Investment Management, LLC784,917$33.3M0.12%−54,923−6.5%Reduced
Samjo Capital LLC646,000$27.4M24.85%−214,000−24.9%Reduced
Needham Investment Management LLC634,500$26.9M4.64%−64,490−9.2%Reduced
Geode Capital Management, LLC578,850$24.5M0.00%+29,601+5.4%Added
Emerald Advisers, LLC506,737$21.5M1.03%+115,572+29.5%Added
Morgan Stanley496,259$21.0M0.00%+99,088+24.9%Added
Emerald Mutual Fund Advisers Trust393,001$16.7M0.98%+101,671+34.9%Added
Northern Trust Corp387,663$16.4M0.00%+1,265+0.3%Added
Millennium Management LLC386,933$16.4M0.02%+42,978+12.5%Added
Janus Henderson Group PLC348,537$14.8M0.01%+348,537New
Arrowstreet Capital, Limited Partnership342,007$14.5M0.02%+193,674+130.6%Added
Divisar Capital Management LLC311,926$13.2M3.05%−197,630−38.8%Reduced
Ranger Investment Management, L.P.296,610$12.6M0.84%+8,025+2.8%Added
Royce & Associates LP291,600$12.4M0.12%−22,700−7.2%Reduced
Russell Investments Group, Ltd.262,982$11.2M0.02%+58,608+28.7%Added
Bank of New York Mellon Corp255,156$10.8M0.00%−398−0.2%Reduced
Assenagon Asset Management S.A.234,914$9.96M0.04%+120,609+105.5%Added
Charles Schwab Investment Management Inc223,486$9.48M0.00%+451+0.2%Added
Principal Financial Group Inc178,315$7.56M0.01%−3,820−2.1%Reduced
Citadel Advisors LLC178,000$7.55M0.01%+151,018+559.7%Added
Nuveen Asset Management, LLC172,272$7.30M0.00%+70,796+69.8%Added
ArrowMark Colorado Holdings LLC171,000$7.25M0.08%00.0%Unchanged
Two Sigma Advisers, LP134,600$5.71M0.01%+63,600+89.6%Added
Prudential Financial Inc134,337$5.70M0.01%−27,210−16.8%Reduced
Panagora Asset Management Inc130,552$5.54M0.03%+2,642+2.1%Added
Ameriprise Financial Inc115,338$4.89M0.00%+4,756+4.3%Added
Algert Global LLC111,519$4.73M0.22%+47,827+75.1%Added
Mutual of America Capital Management LLC109,502$4.64M0.06%−4,878−4.3%Reduced
Two Sigma Investments, LP103,645$4.39M0.01%+90,907+713.7%Added
Roubaix Capital, LLC87,915$3.73M2.84%−21,123−19.4%Reduced
Rhumbline Advisers86,266$3.66M0.00%+5,229+6.5%Added
EAM Investors, LLC83,018$3.52M0.69%+83,018New
Fisher Asset Management, LLC81,017$3.44M0.00%−3,022−3.6%Reduced
JPMorgan Chase & Co80,172$3.40M0.00%+22,997+40.2%Added
Driehaus Capital Management LLC77,358$3.28M0.05%+77,358New
Legal & General Group Plc73,982$3.14M0.00%−1,082−1.4%Reduced
Swiss National Bank64,500$2.73M0.00%−6,900−9.7%Reduced
Deutsche Bank AG64,156$2.72M0.00%+8,873+16.1%Added
Silvercrest Asset Management Group LLC59,782$2.53M0.02%+59,782New
D. E. Shaw & Co., Inc.58,915$2.50M0.00%+21,032+55.5%Added
Goldman Sachs Group Inc56,295$2.39M0.00%−6,350−10.1%Reduced
STRS Ohio55,800$2.36M0.00%+34,600+163.2%Added
Public Sector Pension Investment Board51,941$2.20M0.02%−2,039−3.8%Reduced
M&T Bank Corp47,584$2.02M0.01%−3,122−6.2%Reduced
Credit Suisse AG47,034$1.99M0.00%+3,586+8.3%Added
Victory Capital Management Inc46,714$1.98M0.00%−1,486−3.1%Reduced
Quadrature Capital Ltd45,284$1.92M0.05%+32,426+252.2%Added
Cubist Systematic Strategies, LLC43,935$1.86M0.02%+14,490+49.2%Added
BNP Paribas Arbitrage, SA43,105$1.83M0.00%+17,580+68.9%Added
Oberweis Asset Management Inc43,000$1.82M0.28%+12,900+42.9%Added
UBS Asset Management Americas Inc42,294$1.79M0.00%+2,659+6.7%Added
AQR Capital Management LLC37,689$1.60M0.00%+20,531+119.7%Added
California State Teachers Retirement System37,453$1.59M0.00%−280−0.7%Reduced
Man Group plc–$1.56M0.01%––
Calamos Advisors LLC36,876$1.56M0.01%+36,876New
Jump Financial, LLC36,022$1.53M0.06%+26,322+271.4%Added
Thrivent Financial for Lutherans35,596$1.51M0.00%−7,019−16.5%Reduced
Los Angeles Capital Management LLC33,586$1.42M0.01%+33,586New
Williams Jones Wealth Management, LLC.32,000$1.36M0.02%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys31,270$1.33M0.01%−337−1.1%Reduced
Allianz Asset Management GmbH30,500$1.29M0.00%+30,500New
Aquila Investment Management LLC29,000$1.23M1.01%−8,000−21.6%Reduced
Great West Life Assurance Co28,389$1.20M0.00%−1,567−5.2%Reduced
Susquehanna International Group, LLP27,816$1.18M0.00%+12,501+81.6%Added
Alliancebernstein L.P.27,100$1.15M0.00%−4,358−13.9%Reduced
Texas Permanent School Fund26,485$1.12M0.01%+6,631+33.4%Added
Voya Investment Management LLC26,215$1.11M0.00%−183−0.7%Reduced
Renaissance Technologies LLC23,800$1.01M0.00%−21,100−47.0%Reduced
Squarepoint Ops LLC21,945$930.5K0.01%+10,289+88.3%Added
Hillsdale Investment Management Inc.21,600$915.8K0.08%−3,000−12.2%Reduced
Bank of America Corp21,392$907.0K0.00%−3,805−15.1%Reduced
State of Tennessee, Treasury Department20,786$881.3K0.00%−2,353−10.2%Reduced
Occudo Quantitative Strategies LP20,717$878.4K0.08%+9,133+78.8%Added
State of Alaska, Department of Revenue20,223$857.0K0.01%−341−1.7%Reduced
SG Americas Securities, LLC19,782$839.0K0.01%+19,782New
Teacher Retirement System of Texas18,855$799.0K0.01%+8,601+83.9%Added
Range Financial Group LLC18,697$792.8K0.52%+517+2.8%Added
Qube Research & Technologies Ltd18,465$782.9K0.00%+18,465New
Advisory Research Inc18,185$771.0K0.13%+4,314+31.1%Added
CenterBook Partners LP17,618$747.0K0.11%+104+0.6%Added
Citigroup Inc17,468$740.6K0.00%−3,612−17.1%Reduced
Yousif Capital Management, LLC16,585$703.2K0.01%−2,080−11.1%Reduced
American International Group, Inc.16,383$694.6K0.00%+77+0.5%Added
MetLife Investment Management15,685$665.0K0.00%+384+2.5%Added
New York State Common Retirement Fund15,600$661.4K0.00%−6,400−29.1%Reduced
FMR LLC15,494$656.9K0.00%+7,768+100.5%Added
Barclays PLC15,259$647.0K0.00%+832+5.8%Added
Tudor Investment Corp Et Al15,233$646.0K0.01%−8,893−36.9%Reduced
Zacks Investment Management15,216$645.2K0.01%+15,216New
XTX Topco Ltd15,195$644.3K0.14%+8,057+112.9%Added
Trexquant Investment LP15,135$641.7K0.02%+15,135New
State Board of Administration of Florida Retirement System14,047$595.6K0.00%00.0%Unchanged