This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/RIO/capital-change-brief"
Use Arkolith's capital_change_brief for RIO. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Fisher Asset Management, LLC | $1.9B | 20.1M | ▲+2.5% Added · +493K sh | Q1 2026 | |
| 2 | STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | $1.0B | 10.9M | —Held | Q1 2026 | |
| 3 | GOLDMAN SACHS GROUP INC | $822.3M | 8.8M | ▼−20% Reduced · −2.2M sh | Q1 2026 | |
| 4 | MORGAN STANLEY | $456.1M | 4.9M | ▼−14% Reduced · −816K sh | Q1 2026 | |
| 5 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $395.3M | 4.2M | ▲+4.8% Added · +193K sh | Q1 2026 | |
| 6 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $346.1M | 3.7M | ▼−4.5% Reduced · −176K sh | Q1 2026 | |
| 7 | BANK OF AMERICA CORP /DE/ | $338.0M | 3.6M | ▲+6.6% Added · +225K sh | Q1 2026 | |
| 8 | Neuberger Berman Group LLC | $229.1M | 2.5M | ▲+10% Added · +231K sh | Q1 2026 | |
| 9 | Qube Research & Technologies Ltd | $221.8M | 2.4M | ▼−0.3% Reduced · −7K sh | Q1 2026 | |
| 10 | FMR LLC | $203.4M | 2.2M | ▲+13% Added · +254K sh | Q1 2026 | |
| 11 | BlackRock, Inc. | $196.7M | 2.1M | ▲+19% Added · +334K sh | Q1 2026 | |
| 12 | BANK OF MONTREAL /CAN/ | $191.8M | 2.1M | ▼−7.4% Reduced · −165K sh | Q1 2026 | |
| 13 | Grantham, Mayo, Van Otterloo & Co. LLC | $187.0M | 2.0M | ▲+28% Added · +437K sh | Q1 2026 | |
| 14 | HARDING LOEVNER LP | $184.0M | 2.0M | ▼−4.0% Reduced · −83K sh | Q1 2026 | |
| 15 | JPMORGAN CHASE & CO | $173.2M | 1.9M | ▲+42% Added · +575K sh | Q1 2026 | |
| 16 | NORTHERN TRUST CORP | $171.6M | 1.8M | ▲+7.9% Added · +135K sh | Q1 2026 | |
| 17 | JONES FINANCIAL COMPANIES LLLP | $149.5M | 1.7M | ▲37× Added · +1.7M sh | Q1 2026 | |
| 18 | DIMENSIONAL FUND ADVISORS LP | $156.8M | 1.7M | ▼−5.5% Reduced · −97K sh | Q1 2026 | |
| 19 | CITIGROUP INC | $144.1M | 1.5M | ▲+3.3% Added · +49K sh | Q1 2026 | |
| 20 | EARNEST PARTNERS LLC | $134.6M | 1.4M | ▼−4.8% Reduced · −73K sh | Q1 2026 | |
| 21 | BNP PARIBAS FINANCIAL MARKETS | $134.0M | 1.4M | ▼−20% Reduced · −364K sh | Q1 2026 | |
| 22 | UBS Group AG | $122.4M | 1.3M | ▲+17% Added · +194K sh | Q1 2026 | |
| 23 | WELLS FARGO & COMPANY/MN | $121.5M | 1.3M | ▼−2.7% Reduced · −36K sh | Q1 2026 | |
| 24 | ROYAL BANK OF CANADA | $111.9M | 1.2M | ▼−7.5% Reduced · −98K sh | Q1 2026 | |
| 25 | Altshuler Shaham Ltd | $106.7M | 1.1M | ▲New +1.1M sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
No Form 4 insider transactions on file yet.
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 263 funds | $192.2B |
| NVIDIA CORPNVDA | 259 funds | $249.9B |
| APPLE INCAAPL | 259 funds | $195.7B |
| ALPHABET INC-CL AGOOGL | 259 funds | $131.6B |
| AMAZON.COM INCAMZN | 258 funds | $149.3B |
| META PLATFORMS INC-CLASS AMETA | 257 funds | $78.8B |
| BROADCOM INCAVGO | 254 funds | $96.6B |
| ALPHABET INC-CL CGOOG | 254 funds | $74.2B |
| VISA INC-CLASS A SHARESV | 253 funds | $42.6B |
| EXXON MOBIL CORPXOM | 252 funds | $41.7B |
| JPMORGAN CHASE & COJPM | 251 funds | $52.2B |
| CHEVRON CORPCVX | 250 funds | $28.2B |
Ranked by how many of RIO's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for RIO. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.