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/TMUS/capital-change-brief"
Use Arkolith's capital_change_brief for TMUS. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $8.2B | 39.1M | ▲+0.1% Added · +53K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $6.2B | 29.7M | ▲New +29.7M sh | Q1 2026 | |
| 3 | PRICE T ROWE ASSOCIATES INC /MD/ | $6.0B | 28.5M | ▲+2.5% Added · +697K sh | Q1 2026 | |
| 4 | STATE STREET CORP | $5.0B | 23.7M | ▼−6.2% Reduced · −1.6M sh | Q1 2026 | |
| 5 | MORGAN STANLEY | $3.0B | 14.4M | ▲+14% Added · +1.8M sh | Q1 2026 | |
| 6 | FMR LLC | $2.6B | 12.5M | ▼−20% Reduced · −3.2M sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $2.6B | 12.4M | ▲+1.8% Added · +224K sh | Q1 2026 | |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | $2.1B | 9.9M | ▲New +9.9M sh | Q1 2026 | |
| 9 | FRANKLIN RESOURCES INC | $1.5B | 7.0M | ▲+10% Added · +652K sh | Q1 2026 | |
| 10 | BARCLAYS PLC | $1.4B | 6.6M | ▲+112% Added · +3.5M sh | Q1 2026 | |
| 11 | NORGES BANK | $1.3B | 6.6M | ▲+6.1% Added · +377K sh | Q4 2025 | |
| 12 | GOLDMAN SACHS GROUP INC | $1.3B | 6.3M | ▲+19% Added · +1.0M sh | Q1 2026 | |
| 13 | DODGE & COX | $1.3B | 6.2M | ▼−0.5% Reduced · −28K sh | Q1 2026 | |
| 14 | CANADA PENSION PLAN INVESTMENT BOARD | $1.3B | 6.1M | ▲+4.7% Added · +273K sh | Q1 2026 | |
| 15 | Bank of New York Mellon Corp | $1.1B | 5.1M | ▼−2.8% Reduced · −145K sh | Q1 2026 | |
| 16 | JPMORGAN CHASE & CO | $991.6M | 4.6M | ▲+48% Added · +1.5M sh | Q1 2026 | |
| 17 | NORTHERN TRUST CORP | $964.9M | 4.6M | ▼−4.2% Reduced · −203K sh | Q1 2026 | |
| 18 | JANE STREET GROUP, LLC | $938.5M | 4.5M | ▲+235% Added · +3.1M sh | Q1 2026 | |
| 19 | Nuveen, LLC | $918.2M | 4.4M | ▲+93% Added · +2.1M sh | Q1 2026 | |
| 20 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $847.0M | 4.0M | ▼−19% Reduced · −926K sh | Q1 2026 | |
| 21 | Neuberger Berman Group LLC | $826.9M | 3.9M | ▼−12% Reduced · −522K sh | Q1 2026 | |
| 22 | TWO SIGMA INVESTMENTS, LP | $817.3M | 3.9M | ▲+229% Added · +2.7M sh | Q1 2026 | |
| 23 | DIMENSIONAL FUND ADVISORS LP | $801.2M | 3.8M | ▲+0.2% Added · +8K sh | Q1 2026 | |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $782.4M | 3.7M | ▲+3.5% Added · +127K sh | Q1 2026 | |
| 25 | Amundi | $772.9M | 3.7M | ▲+41% Added · +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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 16, 2026 | KAVANAUGH JAMES J | Director | Grant (A) | 1K | $0 |
| Jun 16, 2026 | Dannenfeldt Thomas | Director | Grant (A) | 1K | $0 |
| Jun 16, 2026 | CLAURE RAUL MARCELO | Director | Grant (A) | 1K | $0 |
| Jun 16, 2026 | Datar Srikant M. | Director | Grant (A) | 1K | $0 |
| Jun 16, 2026 | Taylor Teresa | Director | Grant (A) | 1K | $0 |
| Jun 16, 2026 | Long Letitia A | Director | Grant (A) | 1K | $0 |
| Jun 16, 2026 | Long Letitia A | Director | Grant (A) | 272 | $0 |
| Jun 11, 2026 | Nelson Mark Wolfe | Chief Legal Officer & GC | Grant (A) | 98 | $18K |
| Jun 6, 2026 | Dannenfeldt Thomas | Director | Tax withholding (F) | 311 | $55K |
| May 21, 2026 | Freier Jon | Chief Operating Officer | Sell (S) | 5K | $912K |
| May 1, 2026 | Drobac Daniel James | VP & Chief Accounting Officer | Tax withholding (F) | 37 | $7K |
| May 1, 2026 | Almeida Andre | Chief Broadband, Ent. & Emerg | Buy (P) | 5K | $1.0M |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 480 funds | $315.2B |
| AMAZON.COM INCAMZN | 477 funds | $235.6B |
| NVIDIA CORPNVDA | 476 funds | $427.0B |
| META PLATFORMS INC-CLASS AMETA | 476 funds | $128.7B |
| APPLE INCAAPL | 473 funds | $331.4B |
| ALPHABET INC-CL AGOOGL | 468 funds | $207.6B |
| BROADCOM INCAVGO | 468 funds | $168.1B |
| VISA INC-CLASS A SHARESV | 463 funds | $70.0B |
| JPMORGAN CHASE & COJPM | 459 funds | $86.4B |
| ALPHABET INC-CL CGOOG | 458 funds | $135.1B |
| ELI LILLY & COLLY | 458 funds | $91.4B |
| MASTERCARD INC - AMA | 452 funds | $60.1B |
Ranked by how many of TMUS's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for TMUS. 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.