ABOUT CONGRESSIONAL TRADING IN BLK
As of May 2026, 24 members of Congress have collectively executed 61 disclosed trades on BLK (BlackRock, Inc. Common Stock). This includes 22 purchases and 39 sales, with bipartisan cluster activity detected 0 times — instances where members of both parties traded BLK within overlapping time windows, often a signal of coordinated information or policy-related activity.
MOST-ACTIVE TRADERS
The most active trader of BLK on Signal Congress is Richard Dean McCormick with 5 trades, followed by Greg Landsman (6 trades) and Dan Newhouse (4 trades).
Signal Congress tracks BLK congressional trades through STOCK Act PTR filings from the House Clerk XML feed and Senate eFD system. Each trade is scored for conviction (0–100 scale) based on filing speed, amount, and corroboration signals, and analyzed for alpha generation against the SPY benchmark over 60-day and 180-day windows.