** Semiconductor data solutions provider PDF Solutions' PDFS.O shares fall 6.9% post-market to $48 after stock offering news

** Santa Clara, California-based firm launches ~3.81 mln share offering, with co selling 500,000 shares

** Existing holder Advantest America to offload ~3.31 mln shares and fully divest its stake, per LSEG data

** Co has ~39.9 mln shares outstanding

** Morgan Stanley sole active bookrunner for offering

** PDFS shares closed up 1.2% at $51.57 on Weds, up 81% YTD. Stock hit record intraday high of $56.46 on Mon

** All 4 analysts covering the stock rate it "buy"; median PT $53, per LSEG