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Who owns PDF Solutions (PDFS) stock

259 funds reported PDF Solutions (PDFS) shares in their latest 13F filings, worth $2.6B in all. The largest holder is BlackRock ($393M). Last quarter 164 funds added to their stakes and 72 cut them.

Largest holders of PDFS (13F)Largest holders of PDFS (13F)BlackRock$393MNeedham Investment Management LLC$146MWasatch Advisors LP$135MVanguard Capital Management LLC$118MVanguard Portfolio Management LLC$103MState Street$98.2MVanguard Group$88.1MRanger Investment Management, L.P.$81.4MSnyder Capital Management L P$73.2MJupiter Topco LLC$65.7M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock5,550,335$393Mincrease2026-06-30
Needham Investment Management LLC2,065,000$146Mincrease2026-06-30
Wasatch Advisors LP2,646,572$135Mincrease2026-09-30
Vanguard Capital Management LLC1,664,256$118Mincrease2026-06-30
Vanguard Portfolio Management LLC1,457,748$103Mincrease2026-06-30
State Street1,386,498$98.2Mincrease2026-06-30
Vanguard Group3,089,519$88.1Mdecrease2025-12-31
Ranger Investment Management, L.P.1,149,647$81.4Mdecrease2026-06-30
Snyder Capital Management L P1,033,997$73.2Mdecrease2026-06-30
Jupiter Topco LLC927,781$65.7Mbase2026-06-30
Geode Capital Management, LLC917,962$65.0Mincrease2026-06-30
Emerald Advisers, LLC884,294$62.6Mincrease2026-06-30
Dimensional Fund Advisors LP841,186$59.5Mdecrease2026-06-30
Jennison Associates LLC716,075$50.7Mnew2026-06-30
Atreides Management, LP658,536$46.6Mnew2026-06-30

PDF Solutions' latest quarter

PDF Solutions, Q3 2026: revenue $68.3M (+20% year over year), operating margin 12.1%, net earnings $6.8M, operating cash flow $13.8M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most PDFS stock?

By the latest 13F filings: BlackRock ($393M); Needham Investment Management LLC ($146M); Wasatch Advisors LP ($135M); Vanguard Capital Management LLC ($118M); Vanguard Portfolio Management LLC ($103M).

What is the short interest in PDFS?

3,310,252 shares were sold short at the 2026-10-15 settlement, -6.53% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.