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I've been tracking 15 investment themes for a while now and honestly the gap between what people talk about and what's actually performing is pretty wild this year. Pulled equal-weight basket data on all of them against SPY, which is sitting at −4% YTD as of early April 2026 and the results tell a very different story than the headlines.
**The leaderboard (YTD average return, equal-weight)**
|Theme|YTD Avg|% of Stocks Beating SPY|
|:-|:-|:-|
|Oil & Gas|\+32.9%|100% (28/28)|
|Data Center & AI Infra|\+19.5%|75%|
|Space & Satellite|\+19.1%|65%|
|Gold & Precious Metals|\+14.3%|92%|
|Defense & Military|\+3.3%|61%|
|Robotics & Automation|\+1.9%|48%|
|Nuclear Energy|−1.7%|61%|
|Biotech & Healthcare|−4.9%|35%|
|Renewable Energy|−5.8%|48%|
|EV|−9.5%|35%|
|Cybersecurity|−12.0%|22%|
|Crypto|−14.8%|20%|
|AI|−15.8%|17%|
|Fintech|−17.2%|21%|
|Quantum Computing|−20.4%|14%|
SPY benchmark: −4.0% YTD.
**Five things this data actually tells you**
**1. The rotation into physical assets is real and broad**
Oil & Gas has 100% breadth - every single one of 28 stocks is beating SPY. That almost never happens. Gold has 92% breadth. These are also the two lowest-beta themes in the set (0.71 and 0.86). The market isn't just buying safety - it's pricing in sustained inflation risk and dollar skepticism at the same time. When breadth is this wide, it's a macro regime signal, not a sector rotation.
**2. "AI infrastructure" and "AI" are two completely different trades**
This is the one that surprised me most. The AI theme basket (chips, software, platforms) is down −15.8% YTD with only 5 of 30 stocks beating SPY. Meanwhile, Data Center & AI Infrastructure (power, cooling, REITs, networking) is up +19.5% with 18 of 24 stocks ahead of the market. Same underlying megatrend, completely different performance. The physical layer - signed contracts, locked-in capacity, power purchase agreements - is beating the narrative layer by 35 percentage points YTD. The market is paying for certainty right now, not optionality.
**3. Fintech and Cybersecurity have a breadth problem that the headlines hide**
Both are constantly described as high-growth, essential themes. Both have terrible equal-weight returns over the past year - Fintech basket up only +8.5%, Cybersecurity up +9.8%, both lagging SPY's +30% by a wide margin. Less than 22% of stocks in either theme are beating SPY YTD. The issue: both themes are cap-heavy. The top 3–5 names absorb almost all the institutional flows, while the rest of the basket quietly underperforms. If you're buying "the cybersecurity theme" through a broad ETF or randomly picking names, the data says the odds are not in your favor.
**4. Crypto had an incredible year - then 2026 hit**
Over the trailing 12 months, the equal-weight Crypto basket returned +146.2%. Second only to Gold's +152.9%. But YTD in 2026, it's down −14.8% with only 4 of 20 stocks ahead of SPY. Beta 2.00 - highest in the universe. This is the post-halving cycle playing out exactly as history suggests: big run-up through the halving, followed by a digestion period while the next catalyst is awaited. The regulatory story (Coinbase's OCC trust charter progress, stablecoin legislation) is the near-term thing to watch, but the short-term momentum is clearly negative.
**5. Quantum Computing is 95% Big Tech with a quantum label on it**
The top 5 stocks in the Quantum basket represent 95% of combined market cap - NVDA, GOOGL, AMZN, IBM, INTC. These companies have quantum programs, but quantum is essentially immaterial to their earnings. The pure-play names (IONQ, QBTS) are down −37% to −49% YTD. The basket average is −20.4% with only 2 of 14 stocks beating SPY. If you're buying quantum as a theme, you're mostly just buying mega-cap tech at a premium narrative valuation.
**Why thematic investing actually matters (done right)**
The instinct to invest thematically isn't wrong - it's just often executed badly. The value isn't in buying a random ETF because a theme sounds exciting. It's in understanding *where in the value chain* the money is actually flowing, *how broad* the move is (5 stocks carrying a basket is very different from 25 stocks moving together), and *what the macro backdrop is doing* to risk appetite within each theme.
The breadth number is underrated. A theme with 90%+ breadth is telling you something real. A theme where 3 names are up and 27 are down is telling you the narrative is concentrated, not durable.
Valuation matters too. Some of the worst-performing themes YTD - AI, Fintech, Quantum - are also the ones where 2021-era multiples never fully reset. High-growth narratives can survive for a long time on momentum, but the unwind tends to be sharp when macro conditions shift toward rewarding tangible cash flows over future optionality.
I've built a theme tracker that pulls updated performance data, news, and stock-level intelligence across all 15 themes every single day - if this kind of analysis is useful, you can check it out at [vcpscanner.com/themes](http://vcpscanner.com/themes)
*Not financial advice. Do your own research.*