PDFS
PDF SOLUTIONS INCData as of 2026 Q2 (06-30) · 13F snapshot
Summary
PDF SOLUTIONS INC (PDFS) is held as common stock by 4 tracked hedge-fund managers, with a combined reported value of ~$51.96M; the largest are Steven Cohen, Ken Griffin, Izzy Englander. 1 tracked manager also disclosed PUT or CALL positions, reported separately below. This quarter: 3 new, 1 added. 2 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Heating up
Common-stock holders41 also report options
Congress trades2
Price$49.75vs quarter-end-29.72%
Sectors0
This quarter's moves
Top holderNew3
Added1
Trimmed / sold0
Steven CohenCommon-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
| Investor | Value | % of portfolio | Action |
|---|
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $1.55M— of portfolio21,9002026 Q2
Value $509.7K— of portfolio7,2002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $1.55M | — | — |
| Ken GriffinPUT | $509.7K | — | — |
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.