The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query TDC owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/TDC"
Use Arkolith to show who owns TDC, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD PORTFOLIO MANAGEMENT LLC | $236.0M | 9.2M | ▲New +9.2M sh | Q1 2026 | |
| 2 | STATE STREET CORP | $85.6M | 3.3M | ▲+4.3% Added · +137K sh | Q1 2026 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $65.1M | 2.5M | ▲+16% Added · +351K sh | Q1 2026 | |
| 4 | FULLER & THALER ASSET MANAGEMENT, INC. | $58.8M | 2.3M | ▲+4.0% Added · +89K sh | Q1 2026 | |
| 5 | CITADEL ADVISORS LLC | $50.6M | 2.0M | ▲+767% Added · +1.7M sh | Q1 2026 | |
| 6 | Gotham Asset Management, LLC | $33.8M | 1.3M | ▲+13% Added · +157K sh | Q1 2026 | |
| 7 | FMR LLC | $22.1M | 862K | ▼−43% Reduced · −645K sh | Q1 2026 | |
| 8 | VANGUARD FIDUCIARY TRUST CO | $14.8M | 576K | ▲New +576K sh | Q1 2026 | |
| 9 | Impax Asset Management Group plc | $14.0M | 547K | ▲New +547K sh | Q1 2026 | |
| 10 | PUBLIC SECTOR PENSION INVESTMENT BOARD | $11.6M | 454K | ▲+14% Added · +55K sh | Q1 2026 | |
| 11 | LOS ANGELES CAPITAL MANAGEMENT LLC | $10.8M | 420K | ▲787× Added · +420K sh | Q1 2026 | |
| 12 | Marathon Asset Management Ltd | $8.9M | 348K | ▲+14% Added · +42K sh | Q1 2026 | |
| 13 | JACOBS LEVY EQUITY MANAGEMENT, INC | $8.3M | 322K | ▼−63% Reduced · −542K sh | Q1 2026 | |
| 14 | CAPITAL FUND MANAGEMENT S.A. | $5.3M | 206K | ▲+24% Added · +40K sh | Q1 2026 | |
| 15 | Man Group plc | $5.2M | 204K | ▼−11% Reduced · −26K sh | Q1 2026 | |
| 16 | Bridgewater Associates, LP | $4.2M | 165K | ▼−23% Reduced · −49K sh | Q1 2026 | |
| 17 | Universal- Beteiligungs- und Servicegesellschaft mbH | $4.2M | 164K | ▼−17% Reduced · −34K sh | Q1 2026 | |
| 18 | Trexquant Investment LP | $4.1M | 158K | ▲+28% Added · +34K sh | Q1 2026 | |
| 19 | New Age Alpha Advisors, LLC | $3.2M | 124K | ▼−3.7% Reduced · −5K sh | Q1 2026 | |
| 20 | OPPENHEIMER ASSET MANAGEMENT INC. | $3.1M | 121K | ▲+1.2% Added · +1K sh | Q1 2026 | |
| 21 | ZACKS INVESTMENT MANAGEMENT | $3.0M | 118K | ▲+4.3% Added · +5K sh | Q1 2026 | |
| 22 | STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | $2.5M | 98K | ▼−4.6% Reduced · −5K sh | Q1 2026 | |
| 23 | WEDGE CAPITAL MANAGEMENT L L P/NC | $2.5M | 97K | ▲+2.9% Added · +3K sh | Q1 2026 | |
| 24 | Crossmark Global Holdings, Inc. | $2.5M | 97K | ▲+575% Added · +83K sh | Q1 2026 | |
| 25 | Engineers Gate Manager LP | $2.4M | 94K | ▲+169% Added · +59K 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 8, 2026 | CHOU TIMOTHY C K | Director | Sell (S) | 6K | $191K |
| Mar 9, 2026 | MCMILLAN STEPHEN | President and CEO, Director | Other (J) | 4K | $0 |
| Mar 6, 2026 | MCMILLAN STEPHEN | President and CEO, Director | Tax withholding (F) | 22K | $623K |
| Mar 6, 2026 | Petley Richard J | Chief Revenue Officer | Tax withholding (F) | 3K | $89K |
| Mar 6, 2026 | Hutchinson Michael D | Chief Operating Officer | Tax withholding (F) | 4K | $104K |
| Mar 3, 2026 | MCMILLAN STEPHEN | President and CEO, Director | Tax withholding (F) | 40K | $1.2M |
| Mar 3, 2026 | Petley Richard J | Chief Revenue Officer | Tax withholding (F) | 13K | $404K |
| Mar 3, 2026 | Hutchinson Michael D | Chief Operating Officer | Tax withholding (F) | 15K | $462K |
| Mar 1, 2026 | Arora Sumeet | Chief Product Officer | Grant (A) | 66K | $0 |
| Mar 1, 2026 | Fisher Melissa B | Director | Grant (A) | 2K | $0 |
| Mar 1, 2026 | Fisher Melissa B | Director | Grant (A) | 1K | $0 |
| Mar 1, 2026 | Rogers Scot Frazier | Chief Administrative Officer | Grant (A) | 54K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 131 funds | $48.9B |
| AMAZON.COM INCAMZN | 131 funds | $37.9B |
| ALPHABET INC-CL AGOOGL | 130 funds | $32.6B |
| META PLATFORMS INC-CLASS AMETA | 130 funds | $21.8B |
| APPLE INCAAPL | 129 funds | $60.3B |
| ELI LILLY & COLLY | 129 funds | $13.3B |
| TESLA INCTSLA | 128 funds | $15.1B |
| MASTERCARD INC - AMA | 128 funds | $9.6B |
| COSTCO WHOLESALE CORPCOST | 128 funds | $8.7B |
| NVIDIA CORPNVDA | 127 funds | $70.3B |
| BROADCOM INCAVGO | 127 funds | $25.1B |
| APPLIED MATERIALS INCAMAT | 127 funds | $6.3B |
Ranked by how many of TDC'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 TDC. 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.