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 TTD 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/TTD"
Use Arkolith to show who owns TTD, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | STATE STREET CORP | $1.0B | 44.9M | ▲+45% Added · +13.9M sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $509.2M | 22.4M | ▲New +22.4M sh | Q1 2026 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $316.6M | 14.0M | ▲+2.9% Added · +393K sh | Q1 2026 | |
| 4 | Alyeska Investment Group, L.P. | $127.7M | 5.6M | ▲147× Added · +5.6M sh | Q1 2026 | |
| 5 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | $125.5M | 5.5M | ▲+31% Added · +1.3M sh | Q1 2026 | |
| 6 | CITADEL ADVISORS LLC | $76.5M | 3.4M | ▲+158% Added · +2.1M sh | Q1 2026 | |
| 7 | JACOBS LEVY EQUITY MANAGEMENT, INC | $71.1M | 3.1M | ▲+18% Added · +470K sh | Q1 2026 | |
| 8 | FMR LLC | $60.8M | 2.7M | ▲+139% Added · +1.6M sh | Q1 2026 | |
| 9 | VANGUARD FIDUCIARY TRUST CO | $57.7M | 2.5M | ▲New +2.5M sh | Q1 2026 | |
| 10 | BANK OF NOVA SCOTIA | $31.6M | 1.4M | ▲20× Added · +1.3M sh | Q1 2026 | |
| 11 | COATUE MANAGEMENT LLC | $31.5M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 12 | Candriam S.C.A. | $29.6M | 30K | ▲+13% Added · +3K sh | Q1 2026 | |
| 13 | HARDING LOEVNER LP | $24.3M | 1.1M | ▼−2.6% Reduced · −29K sh | Q1 2026 | |
| 14 | TUDOR INVESTMENT CORP ET AL | $19.4M | 855K | ▼−13% Reduced · −127K sh | Q1 2026 | |
| 15 | LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA | $18.5M | 921K | ▼−23% Reduced · −279K sh | Q1 2026 | |
| 16 | Man Group plc | $18.5M | 813K | ▲+91% Added · +388K sh | Q1 2026 | |
| 17 | Clear Street Group Inc. | $15.9M | 700K | ▲+83% Added · +317K sh | Q1 2026 | |
| 18 | PFA Pension, Forsikringsaktieselskab | $10.2M | 449K | ▲+31% Added · +107K sh | Q1 2026 | |
| 19 | Zurcher Kantonalbank (Zurich Cantonalbank) | $10.0M | 441K | ▼−25% Reduced · −148K sh | Q1 2026 | |
| 20 | PEAK6 LLC | $9.8M | 432K | ▲+32% Added · +106K sh | Q1 2026 | |
| 21 | GLENMEDE TRUST CO NA | $9.7M | 429K | ▲11× Added · +389K sh | Q1 2026 | |
| 22 | LOGAN CAPITAL MANAGEMENT INC | $9.5M | 251K | ▼−0.6% Reduced · −2K sh | Q4 2025 | |
| 23 | STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | $9.1M | 402K | —Held | Q1 2026 | |
| 24 | Trexquant Investment LP | $8.9M | 391K | ▼−30% Reduced · −167K sh | Q1 2026 | |
| 25 | Engineers Gate Manager LP | $8.8M | 388K | ▲+47% Added · +124K 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 |
|---|---|---|---|---|---|
| Mar 23, 2026 | FALBERG KATHRYN E | Director | Disposed to issuer (D) | 212 | $13K |
| Mar 23, 2026 | FALBERG KATHRYN E | Director | Disposed to issuer (D) | 1K | $0 |
| Mar 23, 2026 | FALBERG KATHRYN E | Director | Disposed to issuer (D) | 212 | $13K |
| Mar 23, 2026 | FALBERG KATHRYN E | Director | Disposed to issuer (D) | 296 | $18K |
| Mar 5, 2026 | FALBERG KATHRYN E | Director | Sell (S) | 103K | $3.1M |
| Mar 5, 2026 | FALBERG KATHRYN E | Director | Sell (S) | 50K | $1.5M |
| Mar 4, 2026 | Green Jeffrey Terry | President and CEO, Director, 10% Owner | Buy (P) | 2.3M | $58.0M |
| Mar 3, 2026 | Davis Tahnil R. | CAO and Interim CFO | Grant (A) | 167K | $0 |
| Mar 3, 2026 | Davis Tahnil R. | CAO and Interim CFO | Grant (A) | 310K | $0 |
| Mar 3, 2026 | GRANT JAY R | Chief Legal Officer | Grant (A) | 310K | $0 |
| Mar 3, 2026 | Kundra Vivek | Chief Operating Officer | Grant (A) | 310K | $0 |
| Mar 3, 2026 | Green Jeffrey Terry | President and CEO, Director, 10% Owner | Buy (P) | 1.7M | $42.1M |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 304 funds | $111.5B |
| NVIDIA CORPNVDA | 302 funds | $159.8B |
| NETFLIX INCNFLX | 302 funds | $17.2B |
| AMAZON.COM INCAMZN | 301 funds | $83.4B |
| BROADCOM INCAVGO | 300 funds | $58.0B |
| META PLATFORMS INC-CLASS AMETA | 300 funds | $49.4B |
| APPLE INCAAPL | 299 funds | $132.1B |
| TESLA INCTSLA | 299 funds | $32.7B |
| ELI LILLY & COLLY | 299 funds | $28.1B |
| ADVANCED MICRO DEVICESAMD | 298 funds | $15.1B |
| SERVICENOW INCNOW | 297 funds | $6.4B |
| ALPHABET INC-CL AGOOGL | 296 funds | $72.5B |
Ranked by how many of TTD'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 TTD. 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.