VICOR CORP (VICR) Institutional Ownership Changes & 13F Activity
VICOR CORP (VICR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Price T Rowe Associates Inc, Driehaus Capital Management Llc, Aqr Capital Management Llc, Invesco Ltd., and Jane Street Group, Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Envestnet Asset Management Inc | Buy | +4,360 | +133.0% | 7,639 | $2.90M | Q2 2026 | Sep 23, 2026 |
| State Street Corp | Sell | -85,596 | -10.5% | 726,021 | $275.73M | Q2 2026 | Sep 22, 2026 |
| Manufacturers Life Insurance Company, The | Sell | -72,479 | -12.0% | 530,885 | $201.62M | Q2 2026 | Sep 09, 2026 |
| Integrated Wealth Concepts Llc | Buy | +1,994 | — | 1,994 | $757.29K | Q2 2026 | Sep 09, 2026 |
| Parkside Financial Bank & Trust | Buy | +7 | +58.3% | 19 | $7.22K | Q2 2026 | Sep 04, 2026 |
| Citadel Advisors Llc | Sell | -33,001 | -71.1% | 13,434 | $5.10M | Q2 2026 | Sep 02, 2026 |
| Corient Private Wealth Llc | Buy | +669 | +17.0% | 4,596 | $1.75M | Q2 2026 | Aug 27, 2026 |
| California State Teachers Retirement System | Buy | +365 | +1.4% | 27,326 | $10.38M | Q2 2026 | Aug 24, 2026 |
| Ashford Capital Management Inc | Sell | -38,615 | -34.0% | 74,920 | $28.45M | Q2 2026 | Aug 21, 2026 |
| Mercer Global Advisors Inc | Buy | +8,051 | +157.2% | 13,174 | $5.00M | Q2 2026 | Aug 19, 2026 |
| Beacon Pointe Advisors, Llc | Buy | +3,455 | — | 3,455 | $1.31M | Q2 2026 | Aug 18, 2026 |
| Public Employees Retirement System Of Ohio | Buy | +7,601 | — | 7,601 | $2.89M | Q2 2026 | Aug 17, 2026 |
| Jefferies Financial Group Inc. | Buy | +3,660 | — | 3,660 | $1.39M | Q2 2026 | Aug 17, 2026 |
| Centaurus Financial, Inc. | Buy | +1,110 | — | 1,110 | $422.00K | Q2 2026 | Aug 17, 2026 |
| Equitable Holdings, Inc. | Buy | +1,080 | — | 1,080 | $410.16K | Q2 2026 | Aug 17, 2026 |
| Bank Ozk | Buy | +755 | — | 755 | $286.73K | Q2 2026 | Aug 17, 2026 |
| Proficio Capital Partners Llc | Buy | +725 | — | 725 | $275.34K | Q2 2026 | Aug 17, 2026 |
| Capstone Investment Advisors, Llc | Sell | -406 | -26.7% | 1,114 | $423.07K | Q2 2026 | Aug 17, 2026 |
| Transamerica Financial Advisors, Llc | Buy | +50 | +833.3% | 56 | $21.27K | Q2 2026 | Aug 17, 2026 |
| Price T Rowe Associates Inc | Buy | +479,920 | +25.4% | 2,368,366 | $899.46M | Q2 2026 | Aug 14, 2026 |
| Driehaus Capital Management Llc | Buy | +307,044 | +162.1% | 496,507 | $188.56M | Q2 2026 | Aug 14, 2026 |
| Aqr Capital Management Llc | Buy | +301,215 | +203.1% | 449,524 | $167.95M | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | Buy | +245,334 | — | 245,334 | $93.17M | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Buy | +211,454 | +64.5% | 539,169 | $204.77M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Sell | -159,087 | -71.7% | 62,780 | $23.84M | Q2 2026 | Aug 14, 2026 |
| Awm Investment Company, Inc. | Sell | -139,199 | -48.3% | 148,981 | $56.58M | Q2 2026 | Aug 14, 2026 |
| T. Rowe Price Investment Management, Inc. | Buy | +133,857 | — | 133,857 | $50.84M | Q2 2026 | Aug 14, 2026 |
| Jacobs Levy Equity Management, Inc | Sell | -76,468 | -74.6% | 26,003 | $9.88M | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Buy | +73,581 | +122.5% | 133,641 | $50.75M | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +65,696 | — | 65,696 | $24.95M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about VICR activity
Which institutional owners are buying VICR?
Institutional owners buying VICR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in VICR activity?
"Buy" means an investor increased their reported position in VICR compared to the prior reporting period. This reflects growing exposure to VICOR CORP (VICR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in VICR increasing?
Institutional interest in VICR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related VICR Institutional Insights
- VICR Overview
- VICR 13F Institutional Holders
- VICR Superinvestors
- Technology Sector Institutional Ownership
- Technology Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Technology Stocks By Institutional Investors
- Most Sold Technology Stocks By Institutional Investors
- VICR Insider Trading & SEC Form 4 Activity
- VICR Articles
- Top Institutional Investor Stock Rankings