Vicor Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:VICR Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
15 Dec 25	SellUS$374,065	Alex Gusinov	Individual	3,844	US$97.31
21 Nov 25	SellUS$135,185	Alex Gusinov	Individual	1,571	US$86.05
05 Nov 25	SellUS$505,156	Robert Gendron	Individual	5,374	US$94.00
28 Oct 25	SellUS$360,706	Alex Gusinov	Individual	4,019	US$89.75
27 Oct 25	SellUS$1,075,336	Sean Crilly	Individual	12,000	US$89.61
24 Oct 25	SellUS$1,451,327	Philip Davies	Individual	15,763	US$94.16
23 Oct 25	SellUS$12,907	Quentin Fendelet	Individual	153	US$84.36
23 Oct 25	SellUS$456,233	Estia Eichten	Individual	5,000	US$91.25
03 Mar 25	SellUS$27,153	Quentin Fendelet	Individual	440	US$61.71
26 Feb 25	SellUS$64,810	Claudio Tuozzolo	Individual	1,000	US$64.81
24 Feb 25	SellUS$195,033	Claudio Tuozzolo	Individual	3,200	US$60.95

Insider Trading Volume

Insider Buying: VICR insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of VICR?
Owner Type	Number of Shares	Ownership Percentage
State or Government	13,227	0.0296%
General Public	3,280,181	7.35%
Institutions	19,445,796	43.5%
Individual Insiders	21,913,428	49.1%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 85.2% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
46.8%	Patrizio Vinciarelli	20,902,936	US$3.3b	-0.68%	no data
8.31%	BlackRock, Inc.	3,712,417	US$593.5m	8.43%	0.01%
5.68%	The Vanguard Group, Inc.	2,534,534	US$405.2m	2.46%	no data
5.11%	JP Morgan Asset Management	2,280,623	US$364.6m	-2.83%	0.03%
3.89%	JPMorgan Chase & Co.	1,736,261	US$277.6m	-2.83%	0.04%
2.06%	Estia Eichten	920,125	US$147.1m	-0.09%	no data
1.91%	State Street Global Advisors, Inc.	851,220	US$136.1m	0.34%	no data
1.44%	Needham Investment Management, LLC	641,450	US$102.5m	-9.08%	5.68%
1.3%	Dimensional Fund Advisors LP	578,515	US$92.5m	4.59%	0.01%
1.29%	Geode Capital Management, LLC	576,241	US$92.1m	1.08%	no data
0.8%	Morgan Stanley	357,035	US$57.1m	46.9%	0.01%
0.75%	AWM Investment Company Inc	333,180	US$53.3m	-0.01%	5.12%
0.6%	Arrowstreet Capital, Limited Partnership	267,882	US$42.8m	1,920%	0.03%
0.57%	Colrain Capital LLC	254,140	US$40.6m	10.4%	18.34%
0.56%	Pinnacle Associates, Ltd.	250,085	US$40.0m	-4.05%	0.48%
0.56%	Herald Investment Management Ltd.	250,000	US$40.0m	8.7%	2.44%
0.53%	Northern Trust Global Investments	237,640	US$38.0m	-1.37%	no data
0.5%	Ashford Capital Management Inc	225,192	US$36.0m	-2.71%	4.03%
0.48%	Charles Schwab Investment Management, Inc.	215,525	US$34.5m	0%	no data
0.41%	Citadel Advisors LLC	184,996	US$29.6m	11.1%	0.02%
0.41%	FMR LLC	184,715	US$29.5m	24.4%	no data
0.33%	Nuveen Investments, Inc.	149,009	US$23.8m	24.9%	0.06%
0.31%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	136,411	US$21.8m	194%	no data
0.3%	BNY Asset Management	136,022	US$21.7m	-2.75%	no data
0.29%	Goldman Sachs Asset Management, L.P.	129,360	US$20.7m	188%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/02/09 11:07
End of Day Share Price	2026/02/06 00:00
Earnings	2025/09/30
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Vicor Corporation is covered by 6 analysts. 4 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Lawrence Solow	CJS Securities, Inc.
Jonathan Tanwanteng	CJS Securities, Inc.
Richard Shannon	Craig-Hallum Capital Group LLC