Hillscore

Congress trades in Rio Tinto Plc (RIO)

7 of the members we track disclosed 11 purchases of RIO between 2022-03-01 and 2026-03-30, and 9 sales. Here is what the stock did afterwards.

Average after 3 months
−7.01%
Against XLB
−3.14%
Beat the sector
27%
Buys measured
11

Every purchase is measured over the three months after the transaction date, against XLB — the ETF standing in for Materials & Mining — over exactly the same dates. The second figure is the one that carries information: the first mostly reflects what the sector did. How RIO was classified.

How these buys are tagged

2 of these purchases were made by a member whose own committee oversees Materials & Mining. 5 are marked Cluster: A buy is marked Cluster when at least one other tracked member of Congress bought the same stock within 30 days of it, regardless of committee membership.

Buys Number Return after 3 months vs. sector Beat their sector
All buys 11 -7.0% -3.1% 27%
Notable (committee-flagged) 2 Too few buys to measure
Unaligned (no committee overlap) 9 -6.2% -3.3% 33%
Cluster, excl. mega-caps 5 -21.0% -8.9% 0%
Not clustered, excl. mega-caps 6 +4.7% +1.7% 50%

Who bought the most

Every disclosed purchase

Member Bought
disclosed
Signal Price 1W 1M 3M vs sector
Alan Armstrong 2026-03-30
2026-07-21
Unaligned $88.82 +5.8% +8.6% +6.2% +3.0%
Lisa C. McClain 2025-10-30
2025-11-21
Unaligned $72.20 -4.1% -0.3% +31.8% +15.7%
Lisa C. McClain 2025-06-24
2025-08-13
Unaligned $57.19 +1.9% +11.6% +11.2% +8.4%
Bruce Westerman 2025-03-03
2025-04-16
Notable $61.05 +1.9% -1.9% -2.4% -2.3%
Dan Goldman 2023-03-31
2023-04-17
Unaligned $68.60 -2.7% -6.7% -6.9% -9.7%
Dan Goldman 2023-02-27
2023-03-20
Unaligned $69.16 +5.1% -3.4% -11.6% -5.2%
Virginia Foxx 2022-04-21
2022-05-04
Unaligned Cluster $74.81 -4.4% -7.0% -23.1% -8.0%
Virginia Foxx 2022-04-20
2022-05-04
Unaligned Cluster $78.58 -8.5% -11.5% -27.1% -9.4%
Virginia Foxx 2022-04-11
2022-05-04
Unaligned Cluster $79.74 +3.3% -18.0% -27.5% -10.2%
Robert J. Wittman 2022-03-29
2022-04-09
Notable Cluster $78.38 +2.7% -8.8% -19.3% -3.0%
John Rutherford 2022-03-01
2022-04-08
Unaligned Cluster $80.03 -3.1% +0.5% -8.2% -13.8%

Prices are the closing price on the transaction date, not what was paid: filings never disclose an execution price. Blank figures mean the window has not elapsed yet. Sales are not scored — a sale closes a position rather than opening one — so the 9 disclosed sales of RIO are not in this table.

Download the data behind this page, or read how every figure is calculated. Trades in RIO are a small part of the full rankings, which score each member across everything they bought.

Data last updated .