Two Defense ETFs, Two Very Different Playbooks ๐
Investors hunting for concentrated exposure to the aerospace and defense complex have two obvious vehicles: the Invesco Aerospace & Defense ETF (PPA) and the State Street SPDR S&P Aerospace & Defense ETF (XAR). Both hold the same kind of names โ RTX, Lockheed Martin, GE Aerospace, Boeing โ but they get there in fundamentally different ways.
PPA runs a market-cap-weighted book of 68 holdings, meaning the biggest contractors dominate. XAR uses a modified equal-weight index across 50 names, deliberately capping the influence of any single giant. That structural difference, plus a meaningful gap in fees, is what should drive the decision for most cost-conscious investors.
Here's the short version: XAR is cheaper, has outperformed over five years, and spreads risk more evenly. PPA offers a slightly richer yield and a longer track record. The details matter, though, so let's break it down. ๐จ

Winner and Loser: Where Each Fund Actually Shines
The Winner on Cost and Growth: XAR ๐
XAR's 0.35% expense ratio is roughly 40% cheaper than PPA's 0.58%. On a $10,000 position, that's $35 a year versus $58 โ small in isolation, but it compounds over a decade of holding. More importantly, XAR's modified equal-weight construction has translated into a stronger five-year total return of 112% (16.2% CAGR) versus PPA's 81% (12.6% CAGR).
Why? Equal-weighting tilts the fund toward smaller, faster-growing defense suppliers that market-cap weighting would bury under RTX and Boeing. In a sector where mid-cap defense names have quietly outperformed, that tilt has paid off.
The Winner on Income and Stability: PPA ๐ก๏ธ
PPA isn't without merits. Its 0.4% trailing yield beats XAR's 0.2%, and its beta of 0.77 versus XAR's 1.07 means it has historically been the calmer ride. PPA's five-year max drawdown of 18.4% is notably shallower than XAR's 27.5% โ a real consideration for risk-averse holders who don't want to white-knuckle through defense budget headlines.
In short: XAR wins on cost and total return, PPA wins on income and downside protection. Neither is a loser โ but they serve different mandates.
The XAR-vs-PPA debate tends to split along a predictable line โ cost and growth versus stability and income. Here's how the two camps frame it.

Head-to-Head: The Numbers That Matter
| Metric | XAR | PPA |
|---|---|---|
| Issuer | State Street (SPDR) | Invesco |
| Expense ratio | 0.35% | 0.58% |
| 1-yr total return | (6.9%) | 1.3% |
| 5-yr total return | 112% | 81% |
| 5-yr CAGR | 16.2% | 12.6% |
| Dividend yield | 0.2% | 0.4% |
| Beta | 1.07 | 0.77 |
| Max drawdown (5 yr) | (27.5%) | (18.4%) |
| Holdings | 50 | 68 |
| AUM | $5.3B | $7.3B |
| Inception | 2011 | 2005 |
A Note on the Recent Divergence
The trailing 12-month return column is a useful reality check: PPA actually edged out XAR over the past year (+1.3% vs. -6.9%). That's consistent with PPA's lower beta โ when defense names sold off, the cap-weighted fund held up better. Over longer horizons, though, XAR's equal-weight tilt has been the superior engine. Investors should read the one-year number as a volatility signal, not a verdict on strategy quality.
๐ In-Depth Fundamental Analysis
| Company | Share Price | P/E Ratio | P/B Ratio | ROE | Operating Margin (OPM) | Revenue Growth |
|---|---|---|---|---|---|---|
| RTX (RTX) | $191 | 31.06 | 3.72 | 12.85% | 15.54% | 11.10% |
| BA (Boeing) | $188 | 67.27 | 24.41 | 173.54% | 0.00% | 8.00% |
| TDG (Transdigm) | $1,105 | 33.51 | -6.23 | 0.00% | 46.01% | 22.50% |
| LMT (Lockheed) | $604 | 21.46 | 13.84 | 80.19% | 11.40% | 11.30% |
| GE (GE) | $286 | 33.68 | 16.85 | 50.17% | 18.49% | 15.90% |

The Bottom Line
For most long-horizon, cost-conscious investors, XAR is the more compelling vehicle: lower fees, stronger five-year compounding, and broader diversification across the defense supply chain. The modified equal-weight structure is a genuine feature, not a gimmick โ it prevents a single contractor's stumble from sinking the whole fund.
That said, PPA earns its place for income-focused or risk-averse holders. Its higher yield, lower beta, and shallower drawdown make it the steadier hand when defense budgets get contentious. Neither fund is a mistake โ but if the question is "which one do I want to own for a decade," the fee and performance math points clearly to XAR. ๐
Defense ETFs carry sector concentration risk and are sensitive to government spending cycles. Position sizing and time horizon should drive the final call.
