RIO — RIO TINTO PLCToday's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.

Congress trades
39
all time
Members · 12m
2
2 buys · 2 sells · by trade date
Latest filing
07-21
2026-07-21
Rows filed past the STOCK Act's 45-day window, stated on the row, never editorialised; both dates and the receipt stay on every row.
8
13F holders
684
top 500 listed · 2026-03-31
Congress: statutory ranges, filed up to 45 days after the trade · 13F: quarter-end snapshots, filed up to 45 days lateras of 2026-10-29
Congress 39Institutional 500

Congress · disclosure timeline

By trade date · 24 months · 9 rows ▲ buy, ▼ sell; height = lower bound (log scale). Trade date, not filing date — the filing lag is in the table below.

9 dated disclosures in the window, placed by trade date; magnitudes are the disclosed lower bounds, against gridlines at $15K, $250K, $5M.

Members active in RIO

12 months · most active first Rows = number of disclosures, not dollars. Net = lower bound of the net range. Committees as of each member's latest trade in the window (roster snapshot 2026-10-29).
Members disclosing RIO in the trailing 12 months
MemberRowsNet disclosed flow for this ticker: purchases minus sales, computed as a net range on the disclosed amounts. A lower bound is provable, never a point.Number of committees the member sat on as of their latest trade date in the window, from the cc0-legislators roster snapshot. Context, never an allegation; jurisdiction overlap needs the sector join.
Lisa C. McClain R–MI-93−$29.0K to $13.0K2
Alan Armstrong R–OK1$15.0K to $50.0K2

2 members

Congressional disclosures

Newest filed firstAll 39 rows ↗
Latest congressional filings mentioning RIO
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2026-07-21Alan Armstrong R–OKBUYTraded 03-30 LATE·113d$15K–$50K
2025-11-21Lisa C. McClain R–MI-9SELL SP (spouse-owned)Traded 10-31 +21d$1K–$15K
2025-11-21Lisa C. McClain R–MI-9SELL SP (spouse-owned)Traded 10-30 +22d$1K–$15K
2025-11-21Lisa C. McClain R–MI-9BUY SP (spouse-owned)Traded 10-30 +22d$1K–$15K
2025-08-14Gilbert Ray Cisneros, Jr. D–CA-31SELLTraded 07-03 +42d$1K–$15K
2025-08-13Lisa C. McClain R–MI-9BUY SP (spouse-owned)Traded 06-24 LATE·50d$1K–$15K
2025-05-14Josh Gottheimer D–NJ-5SELL partial · JT (partial sale, jointly owned)Traded 04-09 +35d$1K–$15K
2025-05-12Bruce Westerman R–AR-4SELLTraded 04-21 +21d$1K–$15K
2025-04-16Bruce Westerman R–AR-4BUYTraded 03-03 +44d$1K–$15K
2024-07-09Josh Gottheimer D–NJ-5SELL partial · JT (partial sale, jointly owned)Traded 06-21 +18d$1K–$15K

13F holders · Quarter ended 2026-03-31Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt. · longs only

All holders ↗
Top institutional holders of RIO for quarter 2026-03-31, 1–25 of 684 holders
#FilerValueSecuritiesFlagsderived by Public Filings from this build's reviewed ticker-mapping holders list for this share class; that list carries each holder's share count, share change and filed date (the full holders view shows them), but no document links — the EDGAR link opens the filer's 13F list·§
1STATE FARM MUTUAL AUTOMOBILE INSURANCE CO$1.0B1
derived ·§ EDGAR ↗
2MORGAN STANLEY$456M1
derived ·§ EDGAR ↗
3MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$395M1
derived ·§ EDGAR ↗
4ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$346M1
derived ·§ EDGAR ↗
5BANK OF AMERICA CORP /DE/$338M1
derived ·§ EDGAR ↗
6Qube Research & Technologies Ltd$222M1
derived ·§ EDGAR ↗
7FMR LLC$203M1
derived ·§ EDGAR ↗
8BlackRock, Inc.$197M1
derived ·§ EDGAR ↗
9BANK OF MONTREAL /CAN/$192M1
derived ·§ EDGAR ↗
10Grantham, Mayo, Van Otterloo & Co. LLC$187M1
derived ·§ EDGAR ↗
11HARDING LOEVNER LP$184M1
derived ·§ EDGAR ↗
12NORTHERN TRUST CORP$172M1
derived ·§ EDGAR ↗
13DIMENSIONAL FUND ADVISORS LP$157M1
derived ·§ EDGAR ↗
14CITIGROUP INC$144M1
derived ·§ EDGAR ↗
15EARNEST PARTNERS LLC$135M1
derived ·§ EDGAR ↗
16UBS Group AG$122M1
derived ·§ EDGAR ↗
17WELLS FARGO & COMPANY/MN$121M1
derived ·§ EDGAR ↗
18ROYAL BANK OF CANADA$112M1
derived ·§ EDGAR ↗
19Altshuler Shaham Ltd$107M1
derived ·§ EDGAR ↗
20Palliser Capital (UK) Ltd$96.8M1
derived ·§ EDGAR ↗
21JANE STREET GROUP, LLC$93.6M1
derived ·§ EDGAR ↗
22RENAISSANCE TECHNOLOGIES LLC$90.1M1
derived ·§ EDGAR ↗
23Clearbridge Investments, LLC$83.3M1
derived ·§ EDGAR ↗
24TODD ASSET MANAGEMENT LLC$81.6M1
derived ·§ EDGAR ↗
25RAYMOND JAMES FINANCIAL INC$81.3M1
derived ·§ EDGAR ↗
Show the top 500 of 684 holders
Truncated by Public Filings. Top 500 of 684 holders shown; the rest are on EDGAR. Method ↗

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Congress ↔ notable managers · RIO

Congress · last 90 days

Buyers
0 — —
Sellers
0 — —

filed 2026-07-31 → 2026-10-29 · statutory ranges

Notable managers · quarter ended 2026-03-31

Adding
1 Bridgewater Associates $10.7M held
Trimming
1 Gotham Asset Management $1.3M held

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · RIO TINTO PLC

Merged timeline of congressional filings and notable-manager moves on RIO
DateWhoChangeSize
2026-05-15Bridgewater Associates 13FADD+104,777 sh
2026-05-15Gotham Asset Management 13FTRIM−62 sh

2 newest, by filing date · 13F rows are quarter-end snapshots, not trades

Congress vs filers

12 months
Congress net (rows)2 buy / 2 sell
Congress net ($ bound)−$14.0K to $63.0K
Filersnot computedThe filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.