343 tracked 13F filers disclose a position in TDC as of the latest SEC 13F filings, a combined $2.6B in reported value. 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.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $321.7M | 12.6M | ▲+2.4% Added · +294K sh | Q1 2026 | |
| 2 | Lynrock Lake LP | $239.8M | 9.4M | ▼−0.7% Reduced · −62K sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $236.0M | 9.2M | →First observed position No prior filed position | Q1 2026 | |
| 4 | AMERIPRISE FINANCIAL INC | $106.5M | 4.2M | ▲+45% Added · +1.3M sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $103.0M | 4.0M | →First observed position No prior filed position | Q1 2026 | |
| 6 | STATE STREET CORP | $85.6M | 3.3M | ▲+4.3% Added · +137K sh | Q1 2026 | |
| 7 | Boston Partners | $82.5M | 3.2M | ▲+70% Added · +1.3M sh | Q1 2026 | |
| 8 | MORGAN STANLEY | $65.2M | 2.5M | ▼−19% Reduced · −608K sh | Q1 2026 | |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $65.1M | 2.5M | ▲+16% Added · +351K sh | Q1 2026 | |
| 10 | AQR CAPITAL MANAGEMENT LLC | $59.4M | 2.4M | ▼−28% Reduced · −896K sh | Q1 2026 | |
| 11 | FULLER & THALER ASSET MANAGEMENT, INC. | $58.8M | 2.3M | ▲+4.0% Added · +89K sh | Q1 2026 | |
| 12 | Allianz Asset Management GmbH | $53.7M | 2.1M | ▲+28% Added · +454K sh | Q1 2026 | |
| 13 | CITADEL ADVISORS LLC | $50.6M | 2.0M | ▲+767% Added · +1.7M sh | Q1 2026 | |
| 14 | DIMENSIONAL FUND ADVISORS LP | $48.9M | 1.9M | ▲+12% Added · +200K sh | Q1 2026 | |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $38.4M | 1.5M | ▲+13% Added · +169K sh | Q1 2026 | |
| 16 | UBS Group AG | $35.9M | 1.4M | ▲+258% Added · +1.0M sh | Q1 2026 | |
| 17 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $35.9M | 1.4M | ▲+21% Added · +242K sh | Q1 2026 | |
| 18 | VICTORY CAPITAL MANAGEMENT INC | $35.1M | 1.4M | ▲35× Added · +1.3M sh | Q1 2026 | |
| 19 | Defiance ETFs, LLC | $34.1M | 1.3M | ▲+5.3% Added · +67K sh | Q1 2026 | |
| 20 | BANK OF AMERICA CORP /DE/ | $33.8M | 1.3M | ▲+22% Added · +235K sh | Q1 2026 | |
| 21 | GOLDMAN SACHS GROUP INC | $33.8M | 1.3M | ▲+40% Added · +375K sh | Q1 2026 | |
| 22 | Gotham Asset Management, LLC | $33.8M | 1.3M | ▲+13% Added · +157K sh | Q1 2026 | |
| 23 | Quantinno Capital Management LP | $33.2M | 1.3M | ▲13× Added · +1.2M sh | Q1 2026 | |
| 24 | Nuveen, LLC | $31.2M | 1.2M | ▲+29% Added · +272K sh | Q1 2026 | |
| 25 | Qube Research & Technologies Ltd | $22.8M | 889K | ▲New +889K 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.
Last quarter, 8 funds opened a new position in TDC and 38 added to an existing one, while 11 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| META PLATFORMS INC-CLASS AMETA | 182 funds | $95.2B |
| MICROSOFT CORPMSFT | 181 funds | $234.2B |
| APPLE INCAAPL | 180 funds | $259.2B |
| AMAZON.COM INCAMZN | 179 funds | $170.6B |
| ALPHABET INC-CL AGOOGL | 179 funds | $135.7B |
| NVIDIA CORPNVDA | 177 funds | $338.8B |
| BROADCOM INCAVGO | 177 funds | $135.9B |
| VISA INC-CLASS A SHARESV | 176 funds | $49.9B |
| MASTERCARD INC - AMA | 175 funds | $46.2B |
| MICRON TECHNOLOGY INCMU | 175 funds | $33.9B |
| COSTCO WHOLESALE CORPCOST | 175 funds | $31.4B |
| APPLIED MATERIALS INCAMAT | 174 funds | $27.8B |
Ranked by how many of TDC's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 8, 2026 | CHOU TIMOTHY C K | Director | Sell (S) | 6K | $191K |
| Jun 1, 2026 | Petley Richard J | Chief Revenue Officer | Sell (S) | 16K | $568K |
| Jun 1, 2026 | Petley Richard J | Chief Revenue Officer | Sell (S) | 990 | $35K |
| May 22, 2026 | McElhatton Todd | Director | Sell (S) | 15K | $502K |
| May 19, 2026 | Arora Sumeet | Chief Product Officer | Sell (S) | 15K | $495K |
| May 12, 2026 | MCMILLAN STEPHEN | President and CEO, Director | Sell (S) | 20K | $634K |
| May 7, 2026 | Arora Sumeet | Chief Product Officer | Sell (S) | 3K | $82K |
| May 7, 2026 | Petley Richard J | Chief Revenue Officer | Sell (S) | 34K | $1.1M |
| Feb 26, 2026 | MCMILLAN STEPHEN | President and CEO, Director | Sell (S) | 50K | $1.5M |
| Feb 24, 2026 | Gianoni Michael P | Director | Sell (S) | 25K | $749K |
| Feb 11, 2026 | Lynrock Lake LP | 10% Owner | Sell (S) | 11K | $416K |
| Feb 11, 2026 | Lynrock Lake LP | 10% Owner | Sell (S) | 41K | $1.6M |
Connected entities for TDC
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/TDC/capital-change-brief"
Use Arkolith's capital_change_brief for TDC. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
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.