Barclays PLC Significantly Boosts Stake in Innovator Power Buffer ETF – August Barclays PLC increased its holdings in Innovator U.S. Equity Power Buffer ETF – August by nearly 2,500% during the fourth quarter, now owning over 5,100 shares. The ETF, which tracks the S&P 500 with buffered losses and capped gains, opened at $38.76 today, reflecting growing institutional interest.12