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/RDDT/capital-change-brief"
Use Arkolith's capital_change_brief for RDDT. 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. | $1.0B | 7.7M | ▲+1.4% Added · +104K sh | Q1 2026 | |
| 2 | BAILLIE GIFFORD & CO | $984.2M | 7.3M | ▲+22% Added · +1.3M sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $906.6M | 6.7M | ▲New +6.7M sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $794.1M | 5.9M | ▲New +5.9M sh | Q1 2026 | |
| 5 | ALLIANCEBERNSTEIN L.P. | $1.1B | 4.9M | ▲+56% Added · +1.8M sh | Q1 2026 | |
| 6 | JPMORGAN CHASE & CO | $546.0M | 4.4M | ▲+3.5% Added · +150K sh | Q1 2026 | |
| 7 | GOLDMAN SACHS GROUP INC | $442.1M | 3.3M | ▲+173% Added · +2.1M sh | Q1 2026 | |
| 8 | FMR LLC | $392.7M | 2.9M | ▼−71% Reduced · −7.0M sh | Q1 2026 | |
| 9 | COATUE MANAGEMENT LLC | $375.7M | 2.8M | ▼−50% Reduced · −2.8M sh | Q1 2026 | |
| 10 | STATE STREET CORP | $369.2M | 2.7M | ▲+4.2% Added · +111K sh | Q1 2026 | |
| 11 | VIKING GLOBAL INVESTORS LP | $343.6M | 2.6M | ▲New +2.6M sh | Q1 2026 | |
| 12 | TIGER GLOBAL MANAGEMENT LLC | $336.6M | 2.5M | ▼−35% Reduced · −1.3M sh | Q1 2026 | |
| 13 | MARSHALL WACE, LLP | $335.9M | 2.5M | ▲+110% Added · +1.3M sh | Q1 2026 | |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | $330.7M | 2.5M | ▲+3.2% Added · +77K sh | Q1 2026 | |
| 15 | D1 Capital Partners L.P. | $331.1M | 2.5M | ▲+16% Added · +341K sh | Q1 2026 | |
| 16 | T. Rowe Price Investment Management, Inc. | Withheld | 2.2M | ▲+18% Added · +342K sh | Q1 2026 | |
| 17 | Quantinno Capital Management LP | $283.8M | 2.1M | ▲+3.3% Added · +68K sh | Q1 2026 | |
| 18 | MORGAN STANLEY | $276.6M | 2.1M | ▼−13% Reduced · −319K sh | Q1 2026 | |
| 19 | NORGES BANK | $372.0M | 1.6M | ▼−17% Reduced · −336K sh | Q4 2025 | |
| 20 | RENAISSANCE TECHNOLOGIES LLC | $210.8M | 1.6M | ▼−17% Reduced · −318K sh | Q1 2026 | |
| 21 | Cresset Asset Management, LLC | $205.1M | 1.5M | ▼−10% Reduced · −173K sh | Q1 2026 | |
| 22 | UBS Group AG | $196.4M | 1.5M | ▲+18% Added · +219K sh | Q1 2026 | |
| 23 | CITIGROUP INC | $166.5M | 1.2M | ▼−32% Reduced · −585K sh | Q1 2026 | |
| 24 | NORDEA INVESTMENT MANAGEMENT AB | $151.0M | 1.2M | ▲+1.5% Added · +17K sh | Q1 2026 | |
| 25 | DEUTSCHE BANK AG\ | $140.3M | 1.0M | ▲+52% Added · +357K 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 |
|---|---|---|---|---|---|
| Jul 15, 2026 | Huffman Steve Ladd | CEO & President, Director, 10% Owner | Option exercise (M) | 18K | $0 |
| Jul 15, 2026 | Huffman Steve Ladd | CEO & President, Director, 10% Owner | Sell (S) | 200 | $41K |
| Jul 15, 2026 | Huffman Steve Ladd | CEO & President, Director, 10% Owner | Sell (S) | 300 | $61K |
| Jul 15, 2026 | Huffman Steve Ladd | CEO & President, Director, 10% Owner | Sell (S) | 900 | $181K |
| Jul 15, 2026 | Huffman Steve Ladd | CEO & President, Director, 10% Owner | Sell (S) | 2K | $321K |
| Jul 15, 2026 | Huffman Steve Ladd | CEO & President, Director, 10% Owner | Sell (S) | 2K | $376K |
| Jul 15, 2026 | Huffman Steve Ladd | CEO & President, Director, 10% Owner | Sell (S) | 5K | $1.0M |
| Jul 15, 2026 | Huffman Steve Ladd | CEO & President, Director, 10% Owner | Sell (S) | 2K | $391K |
| Jul 15, 2026 | Huffman Steve Ladd | CEO & President, Director, 10% Owner | Sell (S) | 2K | $489K |
| Jul 15, 2026 | Huffman Steve Ladd | CEO & President, Director, 10% Owner | Sell (S) | 3K | $508K |
| Jul 15, 2026 | Huffman Steve Ladd | CEO & President, Director, 10% Owner | Sell (S) | 600 | $117K |
| Jul 15, 2026 | Huffman Steve Ladd | CEO & President, Director, 10% Owner | Sell (S) | 300 | $58K |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 269 funds | $374.0B |
| AMAZON.COM INCAMZN | 267 funds | $203.8B |
| MICROSOFT CORPMSFT | 265 funds | $252.9B |
| META PLATFORMS INC-CLASS AMETA | 265 funds | $114.3B |
| ALPHABET INC-CL AGOOGL | 258 funds | $163.1B |
| BROADCOM INCAVGO | 255 funds | $148.5B |
| NETFLIX INCNFLX | 255 funds | $47.0B |
| APPLE INCAAPL | 253 funds | $272.3B |
| ALPHABET INC-CL CGOOG | 249 funds | $117.0B |
| MICRON TECHNOLOGY INCMU | 248 funds | $33.5B |
| ADVANCED MICRO DEVICESAMD | 245 funds | $32.1B |
| VISA INC-CLASS A SHARESV | 244 funds | $57.6B |
Ranked by how many of RDDT'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 RDDT. 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.