Steward Partners Expands Stake in KOCT ETF Steward Partners Investment Advisory LLC increased its holdings in the Innovator U.S. Small Cap Power Buffer ETF – October by 82.4% in Q4 2024, acquiring an additional 1,967 shares. The ETF, which tracks the Russell 2000 with buffered losses and capped gains, ended the quarter at a valuation of $133,000.1