Vicor Ownership | Who Owns Vicor?

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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 3.03% 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	35.41%	13.11%	51.48%

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
Bouvel investment partners	24.94K	1.17%	$4.02M
Chapin davis	44.20K	1.14%	$4.84M

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
Gf fund management	115.25K	0.31%	115.25K
Nuveen asset management	169.99K	0.00%	110.16K

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
Gf fund management	115.25K	0.31%	115.25K	$18.55M
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

Sold Out

Holder	Change
Global financial private client	-1.00
Wealthspire advisors	-1.00
Abound wealth management	-2.00
Nelson, van denburg & campbell wealth management group	-4.00
Inlight wealth management	-5.00

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	3.03%	-140.98K
JPM US Technology A (dist) USD	849.63K	1.87%	-268.37K
iShares Core S&P Mid-Cap ETF	752.84K	1.66%	600.00
Vanguard Total Stock Mkt Idx Inv	735.35K	1.62%	1.43K
Vanguard US Total Market Shares ETF	713.54K	1.58%	-
iShares Russell 2000 ETF	557.64K	1.23%	-4.56K
Vanguard Small Cap Index	523.70K	1.15%	1.61K
Needham Aggressive Growth Retail	491.25K	1.10%	-3.80K
American Funds SMALLCAP World A	378.10K	0.84%	-
T. Rowe Price New Horizons	335.45K	0.74%	79.35K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Mar 25, 2026	VINCIARELLI PATRIZIO	Chairman and CEO	Sell	$3.48M
Mar 25, 2026	VINCIARELLI PATRIZIO	Chairman and CEO	Sell	$1.85M
Mar 25, 2026	VINCIARELLI PATRIZIO	Chairman and CEO	Sell	$1.33M
Mar 25, 2026	VINCIARELLI PATRIZIO	Chairman and CEO	Sell	$1.53M
Mar 25, 2026	VINCIARELLI PATRIZIO	Chairman and CEO	Sell	$981.89K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	164
2025 Q4	-	8
2025 Q2	-	-
2024 Q2	-	-
2023 Q4	-	-

VICR Ownership FAQ

Who owns the most shares of Vicor?

Vicor’s largest shareholders are Jpmorgan chase (4.02M shares, 8.98%), Blackrock funding, inc. /de (3.57M shares, 7.99%), and Blackrock (3.4M shares, 7.63%). Together, they hold 24.59% of Vicor’s total shares outstanding.

Does Blackrock own Vicor?

Yes, BlackRock owns 7.63% of Vicor, totaling 3.4M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 112.61M$. In the last quarter, BlackRock decreased its holdings by -40.162K shares, a -1.17% change.

Who is Vicor’s biggest shareholder by percentage of total assets invested?

Colrain capital is Vicor’s biggest shareholder by percentage of total assets invested, with 13.63% of its assets in 226.26K Vicor shares, valued at 24.8M$.

Who is the top mutual fund holder of Vicor shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of Vicor shares, with 3.03% of its total shares outstanding invested in 1.38M Vicor shares.

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