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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 1 sale; 284 institutions reported holding it in 13F filings for Q2 2026, worth $2.75B in total; no superinvestor holds it.

Key figures

Market capClose on Nov 12, 2026
$1.72B
Insider buysOpen market, last 90 days
0
Insider sellsLast 90 days, $150.7K in total
1
13F holdersQ2 2026, +77 vs. previous quarter
284
13F valueReported value at the end of Q2 2026
$2.75B
Superinvestors holdingAt the end of Q2 2026
0

Price chart

From SEC filings, in USD.

Revenue, FY2025
$219.0M
+22.0% year over year
Net income, FY2025
-$640.0K
−115.8% year over year
Free cash flow, FY2025
-$8.58M
No comparable prior period
Revenue, Q3 FY2026
$68.3M
+19.6% year over year

Revenue flow, FY2025

Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.

Net loss for FY2025: $640.0K (0.3% of revenue).

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest
3.51M
Shares sold short
Change
+199.6K
+6.0% vs. previous
Days to cover
5.83
At average daily volume

Superinvestors holding PDFS, Q2 2026

Go to the superinvestors tab

No superinvestor reported holding PDFS at the end of Q2 2026.

Latest insider trades

See all insider trades

Open-market purchases and sales by PDF Solutions Inc insiders from Form 4, newest first.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 1, 2026 (view filing)2:09 PM ETAug 311 dayStrojwas AndrzejChief Technology OfficerSSale−3.39K$44.41−$150.7K−3.6%91.0K after
Aug 12, 2026 (view filing)9:32 PM ETAug 12Same dayZhang ShuoDirectorSSale−1.50K$51.47−$77.3K−6.0%23.4K after
May 14, 2025 (view filing)May 131 dayGustafson Michael BDirectorPPurchase+7.50K$19.45+$145.9K+33.2%30.1K after
Feb 25, 2025 (view filing)Feb 241 dayGustafson Michael BDirectorPPurchase+4.00K$23.06+$92.2K+21.5%22.6K after
Feb 25, 2025 (view filing)Feb 24-251 dayKibarian John KachigPRESIDENT AND CEOPPurchase+50.0K$22.58+$1.13M+2.0%2.52M after2 lots
Dec 19, 2024 (view filing)Dec 172 daysStrojwas AndrzejCTOSSale−6.25K$30.39−$190.0K−6.6%88.5K after2 lots
Dec 17, 2024 (view filing)Dec 161 dayStrojwas AndrzejCTOSSale−5.03K$30.85−$155.2K−5.0%94.7K after
Dec 12, 2024 (view filing)Dec 111 dayErba NancyDirectorSSale−2.00K$30.81−$61.6K−12.7%13.7K after
Jun 4, 2024 (view filing)Jun 31 dayZhang ShuoDirectorSSale−5.50K$34.66−$190.6K−34.6%10.4K after
May 17, 2024 (view filing)May 15-172 daysRaza AdnanEVP, FINANCE AND CFOSSale−27.5K$33.90−$932.0K−36.3%48.2K after3 lots

Top 10 13F holders, Q2 2026

See all 284 holders

The largest institutional positions in PDF Solutions Inc at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding PDFS in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.5,550,335$392.9M0.01%+684,158+14.1%Added
Needham Investment Management LLC2,065,000$146.2M4.40%+42,300+2.1%Added
Vanguard Capital Management LLC1,664,256$117.8M0.00%+276,134+19.9%Added
Vanguard Portfolio Management LLC1,457,748$103.2M0.00%+57,026+4.1%Added
State Street Corp1,386,498$98.2M0.00%+194,090+16.3%Added
Wasatch Advisors Inc1,380,739$97.7M0.64%+873,002+171.9%Added
Barrow Hanley Mewhinney & Strauss LLC1,319,627$93.4M0.28%+179,080+15.7%Added
Ranger Investment Management, L.P.1,149,647$81.4M5.15%−129,983−10.2%Reduced
Snyder Capital Management L P1,033,997$73.2M1.26%−26,481−2.5%Reduced
Jupiter Topco LLC927,781$65.7M0.03%+927,781New

Holders of 5% or more of PDFS

See all 3 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of PDF Solutions Inc.

Largest holders of PDFS from 13D and 13G filings
HolderLatest formStakeChangeFirst filedLatest filingFiling
Kibarian John Kachig13G/A6.50%2.56M shares0.00 ppfrom 6.50%Feb 16, 20216 filingsFeb 17, 2026SEC
Wasatch Advisors Inc13G6.30%2.65M sharesNewOct 9, 20261 filingOct 9, 2026SEC
Needham Investment Management LLC13G5.10%2.02M shares+0.20 ppfrom 4.90%Nov 13, 20253 filingsMay 14, 2026SEC