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ARM vs SMR — which is the better buy? — what our data shows

⚡ TradesZ research ·Updated July 24, 2026 ·~2 min read ·Grounded in SEC data

Both ARM and SMR are riding big future-tech waves — one in AI chips, one in small nuclear reactors — but when you look at who's actually betting money on them, the data tells very different stories.

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What our data shows

Arm Holdings plc American Depositary Shares logo ARM Arm Holdings plc American Depositary Shares 🟢Bullish lean
Over 830 big professional investment funds have reported owning this stock — including household names like Berkshire Hathaway — which shows a lot of serious money has already made a deliberate bet here.
🐋 13F · 831AI compute
NuScale Power Corporation logo SMR NuScale Power Corporation ⚪Neutral
Only 11 professional funds have reported owning this stock, which means the big institutional money has largely not shown up yet — it's still very much under the radar.
🐋 13F · 11Nuclear SMR

The takeaway

⚪Neutral

ARM has a massive crowd of serious, well-known funds behind it, while SMR is barely on the institutional radar yet — so you're weighing broad, established confidence against an early, unproven following.

But watch out
Smart-money signals lag the market (13F filings ~45 days) and never guarantee direction — always check the latest price and news yourself.
Sources → Smart-money hub
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Informational research, not personalized investment advice.