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/VICR/capital-change-brief"
Use Arkolith's capital_change_brief for VICR. 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. | $464.4M | 2.9M | ▼−19% Reduced · −688K sh | Q1 2026 | |
| 2 | JPMORGAN CHASE & CO | $299.6M | 2.1M | ▼−48% Reduced · −1.9M sh | Q1 2026 | |
| 3 | PRICE T ROWE ASSOCIATES INC /MD/ | $304.0M | 1.9M | ▲+329% Added · +1.4M sh | Q1 2026 | |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | $187.1M | 1.2M | ▲New +1.2M sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $166.6M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $130.7M | 812K | ▼−3.0% Reduced · −25K sh | Q1 2026 | |
| 7 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | $97.1M | 603K | ▲+40% Added · +171K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $97.0M | 603K | ▲+7.1% Added · +40K sh | Q1 2026 | |
| 9 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $86.3M | 536K | ▲+43% Added · +162K sh | Q1 2026 | |
| 10 | NEEDHAM INVESTMENT MANAGEMENT LLC | $84.0M | 522K | ▼−8.4% Reduced · −48K sh | Q1 2026 | |
| 11 | DIMENSIONAL FUND ADVISORS LP | $79.4M | 494K | ▼−11% Reduced · −63K sh | Q1 2026 | |
| 12 | GOLDMAN SACHS GROUP INC | $62.8M | 390K | ▲+165% Added · +243K sh | Q1 2026 | |
| 13 | JANE STREET GROUP, LLC | $52.8M | 328K | ▲Added Added · +328K sh | Q1 2026 | |
| 14 | MORGAN STANLEY | $49.4M | 307K | ▼−14% Reduced · −51K sh | Q1 2026 | |
| 15 | AWM Investment Company, Inc. | $46.4M | 288K | ▼−14% Reduced · −45K sh | Q1 2026 | |
| 16 | NORTHERN TRUST CORP | $43.9M | 273K | ▲+22% Added · +49K sh | Q1 2026 | |
| 17 | MILLENNIUM MANAGEMENT LLC | $35.7M | 222K | ▲70× Added · +219K sh | Q1 2026 | |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $31.3M | 194K | ▼−12% Reduced · −27K sh | Q1 2026 | |
| 19 | FMR LLC | $26.6M | 165K | ▼−22% Reduced · −46K sh | Q1 2026 | |
| 20 | FIRST TRUST ADVISORS LP | $26.4M | 164K | ▲+23% Added · +31K sh | Q1 2026 | |
| 21 | VANGUARD FIDUCIARY TRUST CO | $25.5M | 158K | ▲New +158K sh | Q1 2026 | |
| 22 | Arosa Capital Management LP | $25.2M | 157K | ▲+16% Added · +22K sh | Q1 2026 | |
| 23 | PINNACLE ASSOCIATES LTD | $25.1M | 156K | ▼−38% Reduced · −94K sh | Q1 2026 | |
| 24 | AQR CAPITAL MANAGEMENT LLC | $23.9M | 148K | ▲+82% Added · +67K sh | Q1 2026 | |
| 25 | Bank of New York Mellon Corp | $22.6M | 140K | ▲+4.8% Added · +6K 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 6, 2026 | VINCIARELLI PATRIZIO | Chairman & CEO, Director, 10% Owner | Sell (S) | 500 | $151K |
| Jul 6, 2026 | VINCIARELLI PATRIZIO | Chairman & CEO, Director, 10% Owner | Sell (S) | 200 | $61K |
| Jul 2, 2026 | VINCIARELLI PATRIZIO | Chairman & CEO, Director, 10% Owner | Sell (S) | 1K | $418K |
| Jul 2, 2026 | VINCIARELLI PATRIZIO | Chairman & CEO, Director, 10% Owner | Sell (S) | 2K | $642K |
| Jul 2, 2026 | VINCIARELLI PATRIZIO | Chairman & CEO, Director, 10% Owner | Sell (S) | 4K | $1.3M |
| Jul 2, 2026 | VINCIARELLI PATRIZIO | Chairman & CEO, Director, 10% Owner | Sell (S) | 4K | $1.2M |
| Jul 2, 2026 | VINCIARELLI PATRIZIO | Chairman & CEO, Director, 10% Owner | Sell (S) | 500 | $157K |
| Jul 2, 2026 | VINCIARELLI PATRIZIO | Chairman & CEO, Director, 10% Owner | Sell (S) | 1K | $409K |
| Jul 2, 2026 | VINCIARELLI PATRIZIO | Chairman & CEO, Director, 10% Owner | Sell (S) | 400 | $126K |
| Jul 2, 2026 | VINCIARELLI PATRIZIO | Chairman & CEO, Director, 10% Owner | Sell (S) | 200 | $64K |
| Jul 2, 2026 | VINCIARELLI PATRIZIO | Chairman & CEO, Director, 10% Owner | Sell (S) | 200 | $64K |
| Jul 2, 2026 | VINCIARELLI PATRIZIO | Chairman & CEO, Director, 10% Owner | Sell (S) | 600 | $194K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 99 funds | $44.9B |
| META PLATFORMS INC-CLASS AMETA | 99 funds | $20.2B |
| ELI LILLY & COLLY | 99 funds | $13.2B |
| APPLE INCAAPL | 98 funds | $52.6B |
| NVIDIA CORPNVDA | 97 funds | $65.0B |
| AMAZON.COM INCAMZN | 97 funds | $36.9B |
| PALANTIR TECHNOLOGIES INC-APLTR | 97 funds | $5.7B |
| LAM RESEARCH CORPLRCX | 97 funds | $5.5B |
| ALPHABET INC-CL AGOOGL | 96 funds | $28.5B |
| TESLA INCTSLA | 96 funds | $14.8B |
| NETFLIX INCNFLX | 96 funds | $5.7B |
| APPLIED MATERIALS INCAMAT | 96 funds | $5.5B |
Ranked by how many of VICR'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 VICR. 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.