I've been noticing something interesting about how companies are managing shareholder returns lately. While everyone talks about dividends, there's this whole other playbook that's quietly becoming massive — share buybacks.

Here's what caught my attention: in 2025 alone, S&P 500 companies dropped around $1 trillion on buying back their own stock. That's way more than the $750 billion they paid out in dividends. Yet if you look at the ETF space, there are tons of dividend-focused funds but barely any dedicated to capturing the buyback trend. It's kind of a weird gap in the market.

That's where the Invesco BuyBack Achievers ETF (PKW) comes in. If you want exposure to companies actually serious about reducing share counts through buybacks, this buyback ETF has a pretty smart methodology behind it.

The key thing about PKW is that it doesn't just track any company announcing a repurchase program. The index requires holdings to actually reduce shares outstanding by at least 5% over the trailing 12 months. This matters more than you'd think. A lot of companies announce big buyback programs, but then their stock-based compensation cancels out the effect. They're talking the talk without walking the walk. This ETF filters those out, which honestly is valuable if you're trying to find genuine share count reduction.

When companies reduce float like this, their EPS naturally improves — it's just the math of dividing net income by fewer shares. But the real insight is in the sector breakdown. You'd expect tech to dominate buybacks given how much that sector's been spending, but tech only makes up about 5% of this fund's weight because not enough tech companies actually hit that 5% reduction threshold.

Healthcare's been interesting too. Despite tariff concerns, the sector actually had the biggest percentage increase in buyback spending in Q3 2025, and it's nearly 12% of the portfolio. But here's the real story: financial services is where the actual share count reduction is happening. That sector accounts for almost 31% of the fund.

The expense ratio is 0.62% annually, which is reasonable for this kind of specialized buyback ETF strategy.

Looking at the current environment where buyback activity keeps accelerating, having a tool to systematically access companies genuinely committed to reducing shares outstanding seems worth examining. It's not the most crowded corner of the ETF market, which might be exactly why it's worth paying attention to.