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/SID/capital-change-brief"
Use Arkolith's capital_change_brief for SID. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | RENAISSANCE TECHNOLOGIES LLC | $6.2M | 5.0M | ▲+42% Added · +1.5M sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $5.5M | 4.4M | ▲New +4.4M sh | Q1 2026 | |
| 3 | DIMENSIONAL FUND ADVISORS LP | $4.4M | 3.6M | ▼−0.2% Reduced · −6K sh | Q1 2026 | |
| 4 | AMERICAN CENTURY COMPANIES INC | $3.9M | 3.1M | ▲+22% Added · +566K sh | Q1 2026 | |
| 5 | JANE STREET GROUP, LLC | $2.3M | 1.9M | ▼−27% Reduced · −685K sh | Q1 2026 | |
| 6 | STATE STREET CORP | $2.3M | 1.7M | ▲+4.4% Added · +72K sh | Q1 2026 | |
| 7 | Banque Cantonale Vaudoise | $2.0M | 1.6M | ▲+100% Added · +800K sh | Q1 2026 | |
| 8 | UBS Group AG | $2.0M | 1.6M | ▲+25% Added · +312K sh | Q1 2026 | |
| 9 | GOLDMAN SACHS GROUP INC | $1.4M | 1.1M | ▼−26% Reduced · −387K sh | Q1 2026 | |
| 10 | MORGAN STANLEY | $1.3M | 1.0M | ▼−37% Reduced · −603K sh | Q1 2026 | |
| 11 | MARSHALL WACE, LLP | $1.2M | 988K | ▲+70% Added · +407K sh | Q1 2026 | |
| 12 | BNP PARIBAS FINANCIAL MARKETS | $1.1M | 914K | ▲+90% Added · +433K sh | Q1 2026 | |
| 13 | TWO SIGMA INVESTMENTS, LP | $1.1M | 861K | ▼−56% Reduced · −1.1M sh | Q1 2026 | |
| 14 | JPMORGAN CHASE & CO | $1.0M | 852K | ▲+9.2% Added · +72K sh | Q1 2026 | |
| 15 | MILLENNIUM MANAGEMENT LLC | $1.0M | 836K | ▼−74% Reduced · −2.3M sh | Q1 2026 | |
| 16 | CITADEL ADVISORS LLC | $1.0M | 808K | ▼−60% Reduced · −1.2M sh | Q1 2026 | |
| 17 | Caption Management, LLC | $823K | 663K | ▲New +663K sh | Q1 2026 | |
| 18 | NORTHERN TRUST CORP | $693K | 559K | ▼−2.2% Reduced · −12K sh | Q1 2026 | |
| 19 | XTX Topco Ltd | $650K | 524K | ▼−30% Reduced · −219K sh | Q1 2026 | |
| 20 | BlackRock, Inc. | $519K | 418K | ▲+15% Added · +54K sh | Q1 2026 | |
| 21 | VAN ECK ASSOCIATES CORP | Withheld | 389K | ▼−15% Reduced · −71K sh | Q1 2026 | |
| 22 | VANGUARD FIDUCIARY TRUST CO | $363K | 293K | ▲New +293K sh | Q1 2026 | |
| 23 | STOREBRAND ASSET MANAGEMENT AS | $279K | 225K | —Held | Q1 2026 | |
| 24 | Engineers Gate Manager LP | $172K | 139K | ▲New +139K sh | Q1 2026 | |
| 25 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $162K | 131K | ▼−11% Reduced · −16K 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.
No Form 4 insider transactions on file yet.
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 18 funds | $6.5B |
| MICROSOFT CORPMSFT | 18 funds | $6.0B |
| BROADCOM INCAVGO | 18 funds | $4.4B |
| VISA INC-CLASS A SHARESV | 18 funds | $1.7B |
| ELI LILLY & COLLY | 18 funds | $1.7B |
| COSTCO WHOLESALE CORPCOST | 18 funds | $1.4B |
| UNITEDHEALTH GROUP INCUNH | 18 funds | $1.3B |
| ADVANCED MICRO DEVICESAMD | 18 funds | $1.3B |
| MORGAN STANLEYMS | 18 funds | $1.1B |
| NETFLIX INCNFLX | 18 funds | $1.0B |
| INTEL CORPINTC | 18 funds | $895.6M |
| CAPITAL ONE FINANCIAL CORPCOF | 18 funds | $888.8M |
Ranked by how many of SID's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for SID. 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.