VICR Vicor Corporation
Vicor Corporation (VICR) Institutional Ownership
What the institutions did with VICR last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 2.5M | 11.2% |
| JPMORGAN CHASE & CO | 2.4M | 10.8% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2.4M | 10.8% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.3M | 5.8% |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.1M | 5.1% |
| STATE STREET CORP | 726.0K | 3.3% |
| GEODE CAPITAL MANAGEMENT, LLC | 587.3K | 2.7% |
| JANE STREET GROUP, LLC | 539.2K | 2.5% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 530.9K | 2.4% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 530.8K | 2.4% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 524.0K | 2.4% |
| Driehaus Capital Management LLC | 496.5K | 2.3% |
| DIMENSIONAL FUND ADVISORS LP | 493.3K | 2.2% |
| AQR CAPITAL MANAGEMENT LLC | 449.5K | 2.0% |
| GOLDMAN SACHS GROUP INC | 373.8K | 1.7% |
| Invesco Ltd. | 245.3K | 1.1% |
| MORGAN STANLEY | 230.8K | 1.1% |
| ACADIAN ASSET MANAGEMENT LLC | 202.1K | 0.9% |
| NORTHERN TRUST CORP | 192.9K | 0.9% |
| UBS Group AG | 156.9K | 0.7% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 155.4K | 0.7% |
| FIRST TRUST ADVISORS LP | 154.6K | 0.7% |
| VANGUARD FIDUCIARY TRUST CO | 152.8K | 0.7% |
| COLRAIN CAPITAL LLC | 150.3K | 0.7% |
| AWM Investment Company, Inc. | 149.0K | 0.7% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 1.9M | 2.4M | +479.9K |
| BlackRock, Inc. | Reduced | 2.9M | 2.5M | -423.4K |
| Driehaus Capital Management LLC | Increased | 189.5K | 496.5K | +307.0K |
| AQR CAPITAL MANAGEMENT LLC | Increased | 148.3K | 449.5K | +301.2K |
| JPMORGAN CHASE & CO | Increased | 2.1M | 2.4M | +263.5K |
| JANE STREET GROUP, LLC | Increased | 327.7K | 539.2K | +211.5K |
| MILLENNIUM MANAGEMENT LLC | Reduced | 221.9K | 62.8K | -159.1K |
| HERALD INVESTMENT MANAGEMENT Ltd | Reduced | 220.0K | 77.1K | -142.9K |
| AWM Investment Company, Inc. | Reduced | 288.2K | 149.0K | -139.2K |
| T. Rowe Price Investment Management, Inc. | New | 0 | 133.9K | +133.9K |
| FMR LLC | Reduced | 165.3K | 37.3K | -128.1K |
| Invesco Ltd. | Increased | 126.5K | 245.3K | +118.9K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 1.2M | 1.3M | +118.0K |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 85.3K | 202.1K | +116.8K |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | New | 0 | 112.4K | +112.4K |
| Qube Research & Technologies Ltd | Sold Out | 89.6K | 0 | -89.6K |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 1.0M | 1.1M | +85.8K |
| STATE STREET CORP | Reduced | 811.6K | 726.0K | -85.6K |
| NORTHERN TRUST CORP | Reduced | 272.7K | 192.9K | -79.8K |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Reduced | 102.5K | 26.0K | -76.5K |
| MORGAN STANLEY | Reduced | 306.9K | 230.8K | -76.1K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 60.1K | 133.6K | +73.6K |
| LOS ANGELES CAPITAL MANAGEMENT LLC | Increased | 6.3K | 79.4K | +73.1K |
| Ariose Capital Management Ltd | Sold Out | 72.8K | 0 | -72.8K |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Reduced | 603.4K | 530.9K | -72.5K |
| UBS Group AG | Increased | 92.4K | 156.9K | +64.4K |
| HSBC HOLDINGS PLC | Increased | 7.9K | 70.5K | +62.7K |
| GF FUND MANAGEMENT CO. LTD. | Reduced | 115.2K | 61.0K | -54.3K |
| TUDOR INVESTMENT CORP ET AL | Reduced | 137.3K | 83.7K | -53.6K |
| COLRAIN CAPITAL LLC | Reduced | 201.6K | 150.3K | -51.4K |
| Empowered Funds, LLC | Sold Out | 51.1K | 0 | -51.1K |
| Russell Investments Group, Ltd. | Increased | 22.7K | 72.6K | +49.9K |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | Reduced | 115.4K | 67.8K | -47.7K |
| RENAISSANCE TECHNOLOGIES LLC | Sold Out | 47.3K | 0 | -47.3K |
| Andar Capital Management HK Ltd | Increased | 55.0K | 101.1K | +46.1K |
| Trexquant Investment LP | Increased | 6.2K | 48.1K | +42.0K |
| HRT FINANCIAL LP | Increased | 83.9K | 125.0K | +41.0K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Reduced | 194.5K | 155.4K | -39.0K |
| Tidal Investments LLC | Increased | 44.1K | 82.9K | +38.8K |
| ASHFORD CAPITAL MANAGEMENT INC | Reduced | 113.5K | 74.9K | -38.6K |
| RHUMBLINE ADVISERS | Increased | 67.8K | 101.2K | +33.4K |
| NATIXIS ADVISORS, LLC | New | 0 | 33.1K | +33.1K |
| CITADEL ADVISORS LLC | Reduced | 46.4K | 13.4K | -33.0K |
| Arosa Capital Management LP | Reduced | 156.5K | 125.0K | -31.5K |
| SG Americas Securities, LLC | Reduced | 31.3K | 1.4K | -29.8K |
| CIBC WORLD MARKET INC. | Reduced | 73.1K | 45.0K | -28.1K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | Increased | 30.7K | 58.4K | +27.7K |
| NATIXIS | New | 0 | 27.1K | +27.1K |
| PINNACLE ASSOCIATES LTD | Reduced | 156.0K | 130.5K | -25.5K |
| Mariner, LLC | Reduced | 41.8K | 16.6K | -25.1K |
| Engineers Gate Manager LP | Reduced | 25.7K | 994 | -24.7K |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | New | 0 | 24.6K | +24.6K |
| Jump Financial, LLC | Sold Out | 23.8K | 0 | -23.8K |
| Main Management ETF Advisors, LLC | New | 0 | 23.6K | +23.6K |
| CAPITAL FUND MANAGEMENT S.A. | Increased | 15.6K | 38.6K | +23.0K |
| RAYMOND JAMES FINANCIAL INC | Increased | 56.5K | 79.2K | +22.7K |
| ALGERT GLOBAL LLC | Increased | 22.4K | 44.9K | +22.6K |
| AMERICAN CENTURY COMPANIES INC | Reduced | 27.9K | 5.4K | -22.5K |
| DEUTSCHE BANK AG\ | Reduced | 25.9K | 4.0K | -21.9K |
| PRUDENTIAL FINANCIAL INC | Increased | 28.4K | 49.3K | +20.9K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.