Every year has its congressional trading story. In 2020, it was the senators who sold travel and hospitality stocks in the days after closed-door briefings on COVID-19. In 2022, it was the chip legislation trades. In 2026, the data is still accumulating — but patterns are already visible in the first six months of filings.
This is an analysis of the STOCK Act disclosures filed between January 1 and mid-June 2026. The data comes from official House and Senate financial disclosure portals, aggregated by Capitol Trader.
The Most-Purchased Stocks by Congress in 2026
Based on the number of individual purchase transactions disclosed (not dollar value, since amounts are reported as ranges):
Technology has continued to dominate congressional buying. The sector accounts for the plurality of purchase transactions, with particular concentration in semiconductor companies and AI-adjacent names. This broadly mirrors what the S&P 500 has done — but the congressional concentration in specific names, rather than sector ETFs, is notable.
Defense and aerospace has seen increased buying from members with Armed Services Committee assignments. This category tends to track policy activity, and 2026 has been an active year for defense appropriations discussions.
Energy — both traditional and clean — shows a bifurcated pattern. Members in fossil-fuel-producing states trend toward oil and gas names. Members from coastal districts show more interest in clean energy infrastructure. Both camps are buying, which reflects the broad energy policy uncertainty in the current legislative session.
Financial services rounds out the top four, with regional banks and insurance companies appearing frequently. The pattern may reflect broader expectations about interest rate policy.
What the Sales Tell You
Purchases get more attention, but the selling pattern is equally informative.
Notable net selling (more sale transactions than purchase transactions) has appeared in:
- Healthcare — particularly pharmaceutical names that have faced legislative attention around drug pricing
- Retail — a continuation of the post-pandemic re-rating that's driven down valuations across the sector
- Traditional media — a sector where congressional members are well-positioned to observe structural decline
Selling from members who sit on relevant oversight committees is not illegal, but it's worth noting when the timing correlates with committee activity.
The Coordination Signal
One pattern that appears periodically in the data and is worth understanding: coordinated buying — multiple members from different parties and different committees buying the same stock within a short window.
This coordination is not evidence of conspiracy. It more often reflects that multiple members are reading the same public signals — earnings reports, analyst upgrades, macroeconomic data — and arriving at similar conclusions independently.
But when the coordination involves members who share committee assignments in a relevant sector, and the stock is in an industry their committee oversees, the signal carries more weight as a policy-sentiment indicator.
How to Interpret Congressional Trade Data
A few principles that hold up across years of disclosure data:
Individual trades are noisy. A single purchase of a single stock by one member tells you almost nothing. The signal is in the aggregate: which sectors are attracting sustained buying, from which committee assignments, over what time period.
Watch the sellers on their own turf. A member of the Banking Committee who is net-selling financials is making a more pointed statement than one who is net-buying. When someone with direct oversight responsibility is reducing exposure, that's more meaningful than a random purchase.
Size matters, but you can't always know it. Disclosures use ranges, not exact amounts. "$500,001 – $1,000,000" and "$50,001 – $100,000" are both legitimate readings of the same range system. You know the direction of the bet; you rarely know the exact magnitude.
The lag limits real-time use. By the time you see a congressional trade, it's at minimum a few days old, and often 3–6 weeks old. The informational advantage, if any existed at the time of the trade, has likely dissipated. The value of the disclosures is analytical and historical, not immediate.
How to Find the Most-Bought Stocks Right Now
Capitol Trader aggregates STOCK Act disclosures daily and surfaces the most-traded stocks by the full Congress. Each ticker page shows the buy/sell split, the members who've traded it, and the timeline of activity.
You can also browse the latest disclosed trades in chronological order, filtered by transaction type, party, or chamber — or check the leaderboard to find the members who trade most actively and drill into their individual portfolios.
The data is public. The analysis is yours to run.