PDF SOLUTIONS INC
In the published model solve dated 2026-Q2, anchored at $53.35, PDF SOLUTIONS INC (PDFS) is priced for today's economics sustained for ~21.6 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: 2026-11-05 (items 2.02, 9.01); 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).
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.