Vicor Ownership | Who Owns Vicor?
Vicor Ownership Summary
Vicor is owned by 38.75% institutional investors, 31.02% insiders, and 30.23% retail investors. Jpmorgan chase is the largest institutional shareholder, holding 8.98% of VICR shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 3.08% of its assets in Vicor shares.
VICR Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Vicor | 38.75% | 31.02% | 30.23% |
| Sector | Technology Stocks | 35.28% | 13.10% | 51.62% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Jpmorgan chase | 4.02M | 8.98% | $440.25M |
| Blackrock funding, inc. /de | 3.57M | 7.99% | $391.50M |
| Blackrock | 3.40M | 7.63% | $112.61M |
| Vanguard group | 2.53M | 5.67% | $277.78M |
| State street | 851.22K | 1.88% | $42.32M |
| Needham investment management | 641.45K | 1.42% | $31.89M |
| Geode capital management | 562.89K | 1.26% | $61.70M |
| Dimensional fund advisors lp | 556.87K | 1.24% | $61.04M |
| Morgan stanley | 358.18K | 0.80% | $39.26M |
| Awm investment company | 333.18K | 0.74% | $36.52M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Colrain capital | 226.26K | 13.63% | $24.80M |
| Andar capital management hk | 32.00K | 3.78% | $3.51M |
| Awm investment company | 333.18K | 3.53% | $36.52M |
| Needham investment management | 641.45K | 2.22% | $31.89M |
| Herald investment management | 250.00K | 1.65% | $12.41M |
| Ironwood investment management | 31.16K | 1.44% | $3.41M |
| Bruce | 90.00K | 1.39% | $4.47M |
| Ashford capital management | 225.19K | 1.25% | $11.20M |
| Chapin davis | 44.20K | 1.14% | $4.84M |
| Millrace asset group | 28.71K | 0.92% | $952.00K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Millennium management | 264.61K | 0.01% | 259.02K |
| Arrowstreet capital, limited partnership | 267.88K | 0.01% | 254.63K |
| Herald investment management | 250.00K | 1.65% | 250.00K |
| Nuveen asset management | 169.99K | 0.00% | 110.16K |
| Qube research | 98.37K | 0.01% | 62.23K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wealthfront advisers | - | - | -1.65M |
| Brown capital management | - | - | -737.04K |
| Capital investors | - | - | -378.10K |
| Summit partners public asset management | - | - | -368.10K |
| D. e. shaw | 31.28K | 0.00% | -140.60K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Herald investment management | 250.00K | 1.65% | 250.00K | $12.41M |
| Marshall wace, llp | 56.53K | 0.00% | 56.53K | $2.81M |
| Norges bank | 55.11K | 0.00% | 55.11K | $2.66M |
| Eam investors | 50.87K | 0.62% | 50.87K | $5.58M |
| Andar capital management hk | 32.00K | 3.78% | 32.00K | $3.51M |
Sold Out
| Holder | Change |
|---|---|
| Global financial private client | -1.00 |
| Wealthspire advisors | -1.00 |
| Nelson, van denburg & campbell wealth management group | -4.00 |
| Inlight wealth management | -5.00 |
| Huntington national bank | -8.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 238 | 7.21% | 17,335,053 | -11.73% | 38 | 2.06% | 148 | 37.04% | 56 | -9.68% |
| Sep 30, 2025 | 217 | 5.34% | 19,637,747 | 8.14% | 43 | 2.66% | 105 | 14.13% | 62 | -10.14% |
| Jun 30, 2025 | 209 | -6.70% | 18,590,320 | -6.64% | 41 | 2.12% | 93 | -21.19% | 70 | 14.75% |
| Mar 31, 2025 | 5 | -97.63% | 785,103 | -96.31% | 1 | 0.08% | 5 | -94.95% | - | -100.00% |
| Dec 31, 2024 | 198 | 5.88% | 19,528,917 | 2.45% | 43 | 2.36% | 94 | 16.05% | 54 | -8.47% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 1.38M | 3.08% | -142.27K |
| JPM US Technology A (dist) USD | 1.12M | 2.50% | 1.12M |
| Vanguard Total Stock Mkt Idx Inv | 733.92K | 1.64% | 1.96K |
| Vanguard US Total Market Shares ETF | 713.54K | 1.58% | - |
| iShares Russell 2000 ETF | 555.02K | 1.24% | 76.17K |
| Vanguard Small Cap Index | 522.09K | 1.17% | -314.00 |
| Needham Aggressive Growth Retail | 491.25K | 1.10% | -3.80K |
| American Funds SMALLCAP World A | 378.10K | 0.84% | - |
| JPMorgan Small Cap Growth A | 331.71K | 0.74% | -20.33K |
| JPMorgan U.S. Tech Leaders ETF | 325.08K | 0.73% | 424.00 |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 10, 2026 | VINCIARELLI PATRIZIO | Chairman and CEO | Sell | $302.47K |
| Mar 10, 2026 | VINCIARELLI PATRIZIO | Chairman and CEO | Sell | $760.76K |
| Mar 10, 2026 | VINCIARELLI PATRIZIO | Chairman and CEO | Sell | $67.88K |
| Mar 10, 2026 | VINCIARELLI PATRIZIO | Chairman and CEO | Sell | $164.16K |
| Mar 10, 2026 | VINCIARELLI PATRIZIO | Chairman and CEO | Sell | $1.35M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 41 |
| 2025 Q4 | - | 8 |
| 2025 Q2 | - | - |
| 2024 Q2 | - | - |
| 2023 Q4 | - | - |
VICR Ownership FAQ
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