PDF SOLUTIONS INC
In the published model solve dated 2026-Q2, anchored at $49.62, PDF SOLUTIONS INC (PDFS) is priced for today's economics sustained for ~22.2 years. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. The narrative was composed June 28, 2026 from SEC EDGAR filings.
• PDF Solutions sells analytics software that helps chipmakers find and fix yield problems across the manufacturing line, a platform business where recurring platform revenue is 83% of the total and grew 36% last quarter. • The price is the defining feature: it sits far above every static valuation measure and implies durable compounding for roughly three decades, a bet only the forward-growth method can frame. • Profitability is inflecting fast, GAAP operating margin swung from negative to posi
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198 institutional managers reported holding PDFS in 13F filings for the quarter ended 2026-03-31. Together they hold about 80% of the company; the top 10 hold 45%. 35 opened new positions that quarter. Held by BlackRock, Vanguard Group, State Street, among others. On the short side, 2.2M shares were sold short as of the 2026-06-15 count, about 6% of shares outstanding (2.6 days of typical volume to cover).
Quarterly 13F filings arrive up to 45 days after quarter end, so the picture is never current (filed through 2026-05-29). Nothing here is investment advice.
PDFS's share count grew 7.7% over the past five years even with $36.09M spent on repurchases. It pays no dividend. Cash returned over the past three years: $9.52M in repurchases.
Share counts are split-adjusted; repurchase totals are gross of share issuance. Nothing here is investment advice.
Open-market insider buys at PDFS over the trailing three years: 2025: 4 buys totaling $1.37M. 10 officers and directors are on file.
Code P open-market purchases from SEC Form 4 filings, non-derivative, excluding scheduled 10b5-1 plans. Nothing here is investment advice.
PDFS's recent reports: the day-one move, then what the following quarter actually did.
| report | day one | next quarter |
|---|---|---|
| 2023-05-10 | -13.1% | +34.6% |
| 2023-08-09 | -14.9% | -11.3% |
| 2023-11-09 | +1.1% | +8.4% |
| 2024-02-28 | +3.3% | -8.2% |
Day-one is the close-to-close move around the filing. Nothing here is investment advice.
PDFS's latest 8-K filings: 2026-08-06 (items 2.02, 9.01); 2026-06-18 (items 5.07, 9.01); 2026-05-15 (items 8.01, 9.01); 2026-05-07 (items 2.02, 9.01); 2026-04-24 (items 1.01, 2.03, 9.01).
Item codes are the SEC's own classification of what each report discloses. Dates link to the filing on EDGAR. Nothing here is investment advice.
Model solve date: 2026-Q2
Narrative composed: June 28, 2026
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For informational and research purposes only. Not investment advice. Not a recommendation to buy, sell, or hold any security. boothcheck is not a registered investment adviser. Past performance does not guarantee future results.