Complex sentence: Kroenke had a beneficial interest in, and controlled voting rights over, 18,594 shares, representing 29.9 percent of the issued shares, meaning he was nearing the maximum 29.99-percent threshold, beyond which he would be forced to make an offer for all remaining shares.
Split into simpler sentences: Kroenke had a beneficial interest in, and controlled voting rights, over 18,594 shares, representing 29.9 percent of the issued shares. Thus, he was nearing the maximum 29.99-percent threshold, beyond which he would be forced to make an offer for all remaining shares.