As Congress debates new regulations around artificial intelligence and cryptocurrency, lawmakers’ stock portfolios have surged in recent years toward investments in these sectors.

A tracker of the top 50 lawmaker holdings from the financial data platform Unusual Whales shows over $270 million invested directly in top tech stocks, with tens of millions more invested indirectly through market-tracking funds.

It is a level of consolidation that mirrors trends seen in the larger market, with tech far and away the favored sector among lawmakers: 7 of the 8 most popular individual stocks seen in the data are technology companies.

Nvidia (NVDA) is a bipartisan favorite, with about $43 million in lawmakers’ accounts. Other tech…