Kleiner Perkins Caufield & Byers and Facebook are together at last.

VentureWire reports todaythat Kleiner is taking a small stake in Facebook by buying as much as $38 million of stock from other shareholders at a valuation of $52 billion - a bit higher than the $50 billion price tag that Goldman Sachs and DST Global set when they recently invested $1.5 billion.

Kleiner,...