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 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Polen Capital Management, Sequoia Financial Advisors, Cullen Value Fund, and Torray Fund.
Related VICR insights
- VICR Overview
- VICR Top Shareholders
- VICR Ownership Trend
- VICR Institutional Buying
- VICR Institutional Selling
- VICR Ownership Changes
- VICR Insider Trading
- Technology Sector Institutional Ownership
- Technology Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Technology Stocks By Institutional Owners in Q1 2026
- Most Sold Technology Stocks By Institutional Owners in Q1 2026
- Top Institutional Investor Stock Rankings
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q2 2017 | Renaissance Technologies LLC | Sell | -17,400 | 213,800 | $3,827 |
| Q1 2017 | Renaissance Technologies LLC | Sell | -24,000 | 231,200 | $3,722 |
| Q4 2016 | Renaissance Technologies LLC | Sell | -9,000 | 255,200 | $3,854 |
| Q3 2016 | Renaissance Technologies LLC | Buy | 16,300 | 264,200 | $3,065 |
| Q2 2016 | Renaissance Technologies LLC | Buy | 18,400 | 247,900 | $2,496 |
| Q1 2016 | Renaissance Technologies LLC | Buy | 5,200 | 229,500 | $2,405 |
| Q4 2015 | Renaissance Technologies LLC | Buy | 52,000 | 224,300 | $2,046 |
| Q3 2015 | Renaissance Technologies LLC | Buy | 55,100 | 172,300 | $1,757 |
| Q2 2015 | Renaissance Technologies LLC | Buy | 43,400 | 117,200 | $1,429 |
| Q1 2015 | Renaissance Technologies LLC | Buy | 22,800 | 73,800 | $1,122 |
| Q4 2014 | Renaissance Technologies LLC | Sell | -41,900 | 51,000 | $617 |
| Q3 2014 | Renaissance Technologies LLC | Sell | -29,800 | 92,900 | $873 |
| Q2 2014 | Renaissance Technologies LLC | Sell | -13,906 | 122,700 | $1,028 |
| Q1 2014 | Renaissance Technologies LLC | Sell | -22,894 | 136,606 | $1,393 |
| Q4 2013 | Renaissance Technologies LLC | Sell | -31,600 | 159,500 | $2,140 |
| Q3 2013 | Renaissance Technologies LLC | Sell | -58,300 | 191,100 | $1,563 |
| Q2 2013 | Renaissance Technologies LLC | Buy | 249,400 | 249,400 | $1,708 |
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.