Though it was the first brand-name business to declare its intent to split this year, O'Reilly's decision to allow its shareholders to weigh in (via vote) at the company's annual meeting pushed the implementation of its 15-for-1 forward split to after the closing bell on June 9. Following its split, shares of the company dipped from nearly $1,400 to closer to$90, which made them much more palatable for everyday investors who can't buy fractional shares.Among Wall Street's most prominent splits of 2025 (bey ...