Vicor Ownership | Who Owns Vicor?
Vicor Ownership Summary
Vicor is owned by 46.36% institutional investors, 27.35% insiders, and 26.28% retail investors. Blackrock is the largest institutional shareholder, holding 7.63% of VICR shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 3.03% of its assets in Vicor shares.
VICR Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Vicor | 46.36% | 27.35% | 26.28% |
| Sector | Technology Stocks | 36.93% | 14.89% | 48.18% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 3.40M | 7.63% | $112.61M |
| Blackrock funding, inc. /de | 2.88M | 6.38% | $464.38M |
| Vanguard group | 2.53M | 5.67% | $277.78M |
| Jpmorgan chase | 2.11M | 4.66% | $299.62M |
| Price t rowe associates inc /md/ | 1.89M | 4.18% | $304.04M |
| State street | 811.62K | 1.80% | $130.67M |
| Manufacturers life insurance company, the | 603.36K | 1.33% | $97.14M |
| Geode capital management | 602.66K | 1.33% | $97.05M |
| Arrowstreet capital, limited partnership | 536.27K | 1.19% | $86.34M |
| Needham investment management | 522.00K | 1.15% | $84.04M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Colrain capital | 201.63K | 12.55% | $32.46M |
| Ariose capital management | 72.79K | 7.87% | $11.72M |
| Andar capital management hk | 55.00K | 7.57% | $8.86M |
| Awm investment company | 288.18K | 5.14% | $46.40M |
| Herald investment management | 220.00K | 4.93% | $35.39M |
| Needham investment management | 522.00K | 4.29% | $84.04M |
| Arosa capital management lp | 156.50K | 3.82% | $25.20M |
| Bruce | 65.00K | 2.99% | $10.46M |
| Ashford capital management | 113.53K | 2.26% | $18.28M |
| Ironwood investment management | 30.89K | 2.07% | $4.97M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Price t rowe associates inc /md/ | 1.89M | 0.04% | 1.45M |
| Jane street group | 327.71K | 0.01% | 327.71K |
| Goldman sachs group | 389.77K | 0.01% | 242.78K |
| Millennium management | 221.87K | 0.01% | 218.68K |
| Driehaus capital management | 189.46K | 0.22% | 189.46K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Jpmorgan chase | 2.11M | 0.02% | -1.91M |
| Wealthfront advisers | - | - | -1.65M |
| Brown capital management | - | - | -737.04K |
| Blackrock funding, inc. /de | 2.88M | 0.01% | -687.71K |
| Capital investors | - | - | -378.10K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Driehaus capital management | 189.46K | 0.22% | 189.46K | $30.50M |
| Vanguard fiduciary trust | 158.38K | 0.01% | 158.38K | $25.50M |
| Silvercrest asset management group | 115.44K | 0.13% | 115.44K | $18.59M |
| Gf fund management | 115.25K | 0.31% | 115.25K | $18.55M |
| Hrt financial lp | 83.92K | 0.03% | 83.92K | $13.51M |
Sold Out
| Holder | Change |
|---|---|
| Global financial private client | -1.00 |
| Wealthspire advisors | -1.00 |
| Larson financial group | -1.00 |
| Abound wealth management | -2.00 |
| Td capital management | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 381 | 27.00% | 20,957,481 | 2.12% | 46 | 2.20% | 222 | 15.63% | 111 | 63.24% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 1.38M | 3.03% | -140.98K |
| iShares Core S&P Mid-Cap ETF | 767.44K | 1.68% | -384.00 |
| Vanguard Total Stock Mkt Idx Inv | 741.43K | 1.63% | 1.96K |
| Vanguard US Total Market Shares ETF | 713.54K | 1.58% | - |
| iShares Russell 2000 ETF | 541.78K | 1.19% | 4.56K |
| Vanguard Small Cap Index | 531.01K | 1.17% | -1.57K |
| Needham Aggressive Growth Retail | 475.00K | 1.05% | -16.25K |
| JPM US Technology A dist USD | 473.90K | 1.04% | -95.61K |
| JPM US Technology A (dist) USD | 473.90K | 1.04% | -95.61K |
| American Funds SMALLCAP World A | 378.10K | 0.84% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 11, 2026 | Morrison Kemble D | VP-Corporate Controller | Sell | $30.25K |
| May 11, 2026 | Morrison Kemble D | VP-Corporate Controller | Sell | $125.36K |
| May 11, 2026 | Morrison Kemble D | VP-Corporate Controller | Sell | $240.25K |
| May 11, 2026 | Morrison Kemble D | VP-Corporate Controller | Sell | $301.71K |
| May 11, 2026 | Fendelet Quentin A. | Corp. VP - CAO | Sell | $203.00K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 13 |
| 2026 Q1 | - | 164 |
| 2025 Q4 | - | 8 |
| 2025 Q2 | - | - |
| 2024 Q2 | - | - |
VICR Ownership FAQ
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