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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, Q4 2021

Institutional positions in PDF Solutions Inc as of Dec 31, 2021. 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
134
+22 vs. Q3 2021
Shares held
26.4M
+464.1K (+1.8%) vs. Q3 2021
Total value
$839.9M
+$241.7M (+40.4%) vs. Q3 2021
New holders
28
47 more added
Sold out
6
39 more reduced

Compare with Q3 2021: 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 holdersQ4 2021: 134 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 heldQ4 2021: $839.9M
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, Q4 2021

Shares, value and share of portfolio for each institution holding PDF Solutions Inc; share changes are against Q3 2021.

Institutions holding PDFS in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.4,723,594$150.2M0.00%+96,604+2.1%Added
Invesco Ltd.3,260,297$103.6M0.02%−11,562−0.4%Reduced
Vanguard Group Inc2,096,952$66.7M0.00%+5,379+0.3%Added
Cowen Prime Advisors LLC1,742,725$55.4M18.84%−195,003−10.1%Reduced
Samjo Capital LLC1,315,000$41.8M28.01%−85,000−6.1%Reduced
Snyder Capital Management L P1,242,160$39.5M0.95%+3,856+0.3%Added
William Blair Investment Management, LLC1,098,554$34.9M0.09%−40,986−3.6%Reduced
Dimensional Fund Advisors LP1,014,565$32.3M0.01%−1,330−0.1%Reduced
AIGH Capital Management LLC1,005,000$31.9M10.00%00.0%Unchanged
Needham Investment Management LLC955,390$30.4M3.81%−308,610−24.4%Reduced
State Street Corp949,452$30.2M0.00%+8,902+0.9%Added
Geode Capital Management, LLC526,875$16.7M0.00%+20,415+4.0%Added
Royce & Associates LP434,800$13.8M0.10%+10,700+2.5%Added
Northern Trust Corp372,937$11.9M0.00%−3,899−1.0%Reduced
Ranger Investment Management, L.P.360,742$11.5M0.63%+27,631+8.3%Added
Bank of New York Mellon Corp312,412$9.93M0.00%+34,229+12.3%Added
Morgan Stanley288,368$9.17M0.00%+62,690+27.8%Added
Russell Investments Group, Ltd.283,338$9.00M0.01%+60,688+27.3%Added
Worth Venture Partners, LLC246,231$7.83M3.88%00.0%Unchanged
Assenagon Asset Management S.A.235,548$7.49M0.03%+120,652+105.0%Added
Charles Schwab Investment Management Inc212,906$6.77M0.00%+9,004+4.4%Added
Principal Financial Group Inc198,787$6.32M0.00%−4,217−2.1%Reduced
Divisar Capital Management LLC167,200$5.32M1.71%−95,300−36.3%Reduced
D. E. Shaw & Co., Inc.154,817$4.92M0.01%+53,899+53.4%Added
ArrowMark Colorado Holdings LLC123,000$3.91M0.03%+123,000New
Ameriprise Financial Inc122,710$3.90M0.00%−376−0.3%Reduced
Two Sigma Investments, LP120,297$3.82M0.01%+13,049+12.2%Added
Renaissance Technologies LLC116,700$3.71M0.00%−36,800−24.0%Reduced
EAM Investors, LLC109,268$3.47M0.57%+109,268New
Parametric Portfolio Associates LLC108,265$3.44M0.00%+37,877+53.8%Added
Mutual of America Capital Management LLC106,791$3.40M0.03%+102,819+2,588.6%Added
Nuveen Asset Management, LLC114,456$3.38M0.00%−7,739−6.3%Reduced
Two Sigma Advisers, LP105,400$3.35M0.01%−100−0.1%Reduced
Westerly Capital Management, LLC100,000$3.18M2.09%+100,000New
Barclays PLC85,618$2.72M0.00%+58,237+212.7%Added
Rhumbline Advisers83,858$2.67M0.00%−368−0.4%Reduced
Citadel Advisors LLC83,822$2.67M0.00%+37,519+81.0%Added
EAM Global Investors LLC77,316$2.46M0.44%+77,316New
Legal & General Group Plc72,852$2.32M0.00%+2,682+3.8%Added
BNP Paribas Arbitrage, SA70,491$2.24M0.01%+38,767+122.2%Added
Swiss National Bank65,600$2.08M0.00%+1,000+1.5%Added
Panagora Asset Management Inc64,932$2.06M0.01%+55,009+554.4%Added
Prudential Financial Inc63,422$2.02M0.00%+32,010+101.9%Added
Public Sector Pension Investment Board60,852$1.93M0.01%+430+0.7%Added
Natixis60,000$1.91M0.01%+60,000New
Millennium Management LLC58,673$1.86M0.00%+39,268+202.4%Added
Victory Capital Management Inc57,800$1.84M0.00%−6,750−10.5%Reduced
JPMorgan Chase & Co57,132$1.82M0.00%−1,836−3.1%Reduced
Deutsche Bank AG57,066$1.81M0.00%+1,468+2.6%Added
Arrowstreet Capital, Limited Partnership53,030$1.69M0.00%+53,030New
Bank of America Corp49,366$1.57M0.00%+7,417+17.7%Added
Marshall Wace, LLP46,744$1.49M0.00%+46,744New
California State Teachers Retirement System41,505$1.32M0.00%+1,364+3.4%Added
Susquehanna International Group, LLP37,296$1.19M0.00%+10,412+38.7%Added
Goldman Sachs Group Inc35,908$1.14M0.00%−81,585−69.4%Reduced
Cubist Systematic Strategies, LLC30,128$958.0K0.01%+30,128New
UBS Asset Management Americas Inc29,418$935.2K0.00%00.0%Unchanged
STRS Ohio29,400$934.0K0.00%−2,300−7.3%Reduced
SEI Investments Co27,533$875.0K0.00%+27,533New
M&T Bank Corp27,162$863.0K0.00%+100.0%Added
Yousif Capital Management, LLC26,743$850.0K0.01%+26,743New
Lynrock Lake LP26,252$835.0K0.06%−271,379−91.2%Reduced
Great West Life Assurance Co25,610$814.0K0.00%−60−0.2%Reduced
Credit Suisse AG25,535$811.0K0.00%+2,272+9.8%Added
Thrivent Financial for Lutherans24,313$773.0K0.00%+238+1.0%Added
Divisadero Street Capital Management, LP23,441$745.0K0.62%+23,441New
Citigroup Inc23,165$736.0K0.00%+7,313+46.1%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys22,580$718.0K0.01%−30.0%Reduced
Texas Permanent School Fund21,634$688.0K0.01%−398−1.8%Reduced
State of Alaska, Department of Revenue21,150$672.0K0.01%−580−2.7%Reduced
Comerica Bank25,302$667.0K0.00%−1,698−6.3%Reduced
Wells Fargo & Company20,404$648.0K0.00%+19,579+2,373.2%Added
New York State Common Retirement Fund20,043$637.0K0.00%−4,396−18.0%Reduced
American International Group, Inc.18,237$580.0K0.00%−396−2.1%Reduced
Alliancebernstein L.P.17,966$571.0K0.00%−590−3.2%Reduced
Manufacturers Life Insurance Company, The15,838$503.0K0.00%−870−5.2%Reduced
AQR Capital Management LLC15,748$501.0K0.00%+709+4.7%Added
UBS Group AG14,639$465.0K0.00%+11,801+415.8%Added
Louisiana State Employees Retirement System14,500$461.0K0.01%+100+0.7%Added
Occudo Quantitative Strategies LP14,479$460.0K0.04%+14,479New
State Board of Administration of Florida Retirement System14,377$457.0K0.00%−125−0.9%Reduced
Amalgamated Bank14,098$448.0K0.00%−183−1.3%Reduced
Engineers Gate Manager LP13,949$443.0K0.02%+13,949New
State of Tennessee, Treasury Department13,322$423.0K0.00%+3,883+41.1%Added
Voya Investment Management LLC12,010$382.0K0.00%−581−4.6%Reduced
Maryland State Retirement & Pension System11,709$372.0K0.01%00.0%Unchanged
MetLife Investment Management11,347$360.7K0.00%00.0%Unchanged
Oregon Public Employees Retirement Fund11,270$358.0K0.00%−600−5.1%Reduced
Quadrature Capital Ltd11,143$355.0K0.02%+944+9.3%Added
Alpha Paradigm Partners, LLC10,968$349.0K0.14%−1,993−15.4%Reduced
Zacks Investment Management9,685$308.0K0.00%+9,685New
New York State Teachers Retirement System9,256$294.0K0.00%00.0%Unchanged
Everence Capital Management Inc9,190$292.0K0.02%00.0%Unchanged
HSBC Holdings PLC8,155$262.0K0.00%+8,155New
Arizona State Retirement System8,016$255.0K0.00%+8,016New
Bank of Montreal7,802$253.0K0.00%−978−11.1%Reduced
State of Wyoming7,665$244.0K0.11%+5,297+223.7%Added
ProShare Advisors LLC7,493$239.0K0.00%+7,493New
Metropolitan Life Insurance Co7,223$229.6K0.00%00.0%Unchanged
Jump Financial, LLC7,000$222.0K0.01%+7,000New