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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, Q2 2026

Institutional positions in PDF Solutions Inc as of Jun 30, 2026. 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
283
+77 vs. Q1 2026
Shares held
38.9M
+7.76M (+24.9%) vs. Q1 2026
Total value
$2.75B
+$1.73B (+169.6%) vs. Q1 2026
New holders
97
93 more added
Sold out
20
63 more reduced

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 283 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 heldQ2 2026: $2.75B
Q1 2021: $457.1MQ2 2021: $508.8MQ3 2021: $598.3MQ4 2021: $838.0MQ1 2022: $742.9MQ2 2022: $557.5MQ3 2022: $643.7MQ4 2022: $752.9MQ1 2023: $1.15BQ2 2023: $1.25BQ3 2023: $891.9MQ4 2023: $907.8MQ1 2024: $942.8MQ2 2024: $1.02BQ3 2024: $899.0MQ4 2024: $766.0MQ1 2025: $528.9MQ2 2025: $623.7MQ3 2025: $767.2MQ4 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$767.2M
Q2 2025173$623.7M
Q1 2025168$528.9M
Q4 2024178$766.0M
Q3 2024176$899.0M
Q2 2024173$1.02B
Q1 2024180$942.8M
Q4 2023198$907.8M
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$838.0M
Q3 2021112$598.3M
Q2 2021116$508.8M
Q1 2021102$457.1M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding PDF Solutions Inc; share changes are against Q1 2026.

Institutions holding PDFS in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Firestone Capital Management4,000$283.2K0.05%+4,000New
Tower Research Capital LLC (TRC)3,803$269.2K0.01%+1,539+68.0%Added
Clarus Group, Inc.3,800$269.0K0.09%−6,753−64.0%Reduced
Virtu Financial LLC3,728$264.0K0.01%+3,728New
TRB Wealth Management, LLC3,664$259.4K0.03%+3,664New
Aptus Capital Advisors, LLC3,637$257.5K0.00%−6,953−65.7%Reduced
Sequoia Financial Advisors, LLC3,591$254.2K0.00%+3,591New
Healthcare of Ontario Pension Plan Trust Fund3,360$237.9K0.00%+3,360New
Xponance, Inc.3,268$231.3K0.00%+3,268New
Stifel Financial Corp3,259$230.7K0.00%+3,259New
Cresset Asset Management, LLC3,168$224.3K0.00%+3,168New
Bank of Montreal3,128$221.4K0.00%+3,128New
NorthCrest Asset Manangement, LLC3,877$216.8K0.01%+3,877New
Ameritas Investment Partners, Inc.3,003$212.6K0.01%+308+11.4%Added
Pure Financial Advisors, Inc.2,959$209.5K0.00%+2,959New
Ethic Inc.2,946$208.5K0.00%+2,946New
1620 Investment Advisors, Inc.2,521$178.5K0.11%−1,306−34.1%Reduced
Vestcor Inc2,456$174.0K0.00%+2,456New
GAMMA Investing LLC2,281$161.5K0.01%+72+3.3%Added
Signaturefd, LLC1,949$138.0K0.00%+119+6.5%Added
Hantz Financial Services, Inc.1,922$136.0K0.00%+393+25.7%Added
USA Financial Formulas1,794$127.0K0.02%+1,794New
State of Wyoming1,770$125.3K0.01%−3,113−63.8%Reduced
Pinnacle Wealth Planning Services, Inc.1,704$120.6K0.01%+17+1.0%Added
Sittner & Nelson, LLC1,677$118.7K0.04%00.0%Unchanged
Versant Capital Management, Inc1,610$114.0K0.01%−30−1.8%Reduced
Nisa Investment Advisors, LLC1,065$75.4K0.00%−311−22.6%Reduced
Smartleaf Asset Management LLC1,098$72.4K0.00%00.0%Unchanged
Larson Financial Group LLC948$67.1K0.00%+15+1.6%Added
Jones Financial Companies LLLP853$53.7K0.00%+590+224.3%Added
Caitong International Asset Management Co., Ltd750$53.1K0.01%+733+4,311.8%Added
Massmutual Trust Co FSB719$50.9K0.00%−65−8.3%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.703$49.8K0.00%−136−16.2%Reduced
Bell Investment Advisors, Inc699$49.5K0.01%00.0%Unchanged
SRS Capital Advisors, Inc.690$48.8K0.00%+690New
Group One Trading, L.P.673$47.6K0.00%+673New
Umb Bank N A627$44.4K0.00%+8+1.3%Added
Meeder Asset Management Inc619$43.8K0.00%+619New
NBC Securities, Inc.618$43.7K0.00%−305−33.0%Reduced
Measured Wealth Private Client Group, LLC485$34.3K0.01%+485New
Huntington National Bank462$32.7K0.00%−61−11.7%Reduced
Quantbot Technologies LP461$32.6K0.00%+461New
Aster Capital Management (DIFC) Ltd397$28.1K0.01%+90+29.3%Added
Bessemer Group Inc405$28.0K0.00%+120+42.1%Added
Nykredit A/S340$24.1K0.00%+340New
Kemnay Advisory Services Inc.319$22.6K0.00%+148+86.5%Added
Optiver Holding B.V.237$16.8K0.00%+237New
Salomon & Ludwin, LLC230$15.4K0.00%00.0%Unchanged
Farther Finance Advisors, LLC201$14.2K0.00%+87+76.3%Added
IFP Advisors, Inc173$12.2K0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.137$9.70K0.00%00.0%Unchanged
Sterling Capital Management LLC116$8.21K0.00%−91−44.0%Reduced
EverSource Wealth Advisors, LLC111$7.86K0.00%−88−44.2%Reduced
Parallel Advisors, LLC104$7.36K0.00%00.0%Unchanged
Rothschild Investment LLC86$6.09K0.00%00.0%Unchanged
National Bank of Canada79$5.59K0.00%+10+14.5%Added
Zions Bancorporation, National Association65$4.60K0.00%00.0%Unchanged
Parkside Financial Bank & Trust64$4.53K0.00%00.0%Unchanged
SBI Securities Co., Ltd.61$4.32K0.00%+24+64.9%Added
Fortitude Family Office, LLC60$4.25K0.00%+60New
Allworth Financial LP48$3.40K0.00%+34+242.9%Added
Brown, Lisle/Cummings, Inc.35$2.48K0.00%−24−40.7%Reduced
Essential Partners LLC35$2.48K0.00%00.0%Unchanged
Silver Grove Financial Group, Inc.29$2.05K0.00%+29New
Keating Financial Advisory Services, Inc.25$1.77K0.00%00.0%Unchanged
Montag A & Associates Inc23$1.66K0.00%+23New
Farmers & Merchants Investments Inc21$1.49K0.00%00.0%Unchanged
Quarry LP20$1.42K0.00%−17−45.9%Reduced
DecisionPoint Financial, LLC21$1.41K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC8$1.00K0.00%00.0%Unchanged
Covestor Ltd9$1.00K0.00%+6+200.0%Added
Raffa Wealth Management, LLC12$8490.00%+12New
US Bancorp9$6370.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC9$6370.00%+9New
Global Retirement Partners, LLC8$5660.00%+8New
Ankerstar Wealth, LLC6$4250.00%00.0%Unchanged
JFS Wealth Advisors, LLC6$4250.00%+6New
Assetmark, Inc5$3540.00%00.0%Unchanged
Cedar Mountain Advisors, LLC5$3540.00%00.0%Unchanged
Abound Wealth Management5$3540.00%+1+25.0%Added
Gilpin Wealth Management, LLC3$2130.00%00.0%Unchanged
Davis Capital Management2$1420.00%+2New
Signature Equity Partners, LLC2$1420.00%+2New
Inspire Advisors, LLC0$00.00%−84,169−100.0%Sold out
Lisanti Capital Growth, LLC0$00.00%−81,365−100.0%Sold out
Lazard Asset Management LLC0$00.00%−36,349−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−30,378−100.0%Sold out
CenterBook Partners LP0$00.00%−17,405−100.0%Sold out
Nano Cap New Millennium Growth Fund L P0$00.00%−12,500−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−11,589−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−11,583−100.0%Sold out
Polymer Capital Management (US) LLC0$00.00%−10,915−100.0%Sold out
Inceptionr LLC0$00.00%−9,475−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−8,353−100.0%Sold out
Mangrove Partners0$00.00%−6,584−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−795−100.0%Sold out
Advisory Services Network, LLC0$00.00%−387−100.0%Sold out
Sound Income Strategies, LLC0$00.00%−182−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−134−100.0%Sold out
Twin Peaks Wealth Advisors, LLC0$00.00%−76−100.0%Sold out