VICOR CORP

VICRNASDAQ

$299.29-6.32 (-2.07% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

VICOR CORP price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 6, 2026. Price (+498.9%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	20.93%	$935M	0.01%	Not reported
JPMorgan Chase & Co	20.16%	$870M	0.05%	Not reported
Vanguard Portfolio Management LLC	10.89%	$486M	0.02%	Not reported
Vanguard Capital Management LLC	9.53%	$426M	0.01%	Not reported
State Street Corp	6.17%	$276M	0.01%	Not reported
Geode Capital Management, LLC	5.00%	$223M	0.01%	Not reported
Jane Street Group, LLC	4.59%	$205M	0.02%	Not reported
Manufacturers Life Insurance Company, the	4.52%	$202M	0.16%	Not reported
Arrowstreet Capital, Limited Partnership	4.51%	$202M	0.09%	Not reported
Needham Investment Management LLC	4.46%	$199M	5.98%	Add 0.38%
Driehaus Capital Management LLC	4.22%	$189M	1.09%	Add 162.06%
Dimensional Fund Advisors LP	4.20%	$187M	0.03%	Not reported
AQR Capital Management LLC	3.82%	$168M	0.06%	Not reported
Goldman Sachs Group Inc	3.18%	$142M	0.01%	Not reported
Invesco Ltd.	2.09%	$93.2M	0.01%	Not reported
Morgan Stanley	1.96%	$87.7M	0.00%	Not reported
Acadian Asset Management LLC	1.72%	$76.7M	0.09%	Not reported
Northern Trust Corp	1.64%	$73.3M	0.01%	Not reported
UBS Group AG	1.33%	$59.6M	0.01%	Not reported
Charles Schwab Investment Management Inc	1.32%	$59M	0.01%	Not reported
First Trust Advisors LP	1.32%	$58.7M	0.03%	Reduce 5.69%
Vanguard Fiduciary Trust Co	1.30%	$58M	0.01%	Not reported
Colrain Capital LLC	1.28%	$57.1M	19.32%	Reduce 25.47%
Bank of New York Mellon Corp	1.19%	$53.2M	0.01%	Not reported
T. Rowe Price Investment Management, Inc.	1.14%	$50.8M	0.03%	New Not reported
Susquehanna International Group, LLP	1.14%	$50.8M	0.00%	Not reported
Pinnacle Associates Ltd	1.11%	$49.6M	0.54%	Reduce 16.34%
Nuveen, LLC	1.07%	$47.8M	0.01%	Not reported
Arosa Capital Management LP	1.06%	$47.5M	8.46%	Reduce 20.13%
Principal Financial Group Inc	1.00%	$44.8M	0.02%	Not reported
Vaughan Nelson Investment Management, L.P.	0.96%	$42.7M	0.38%	Not reported
Rhumbline Advisers	0.86%	$38.4M	0.03%	Not reported
Andar Capital Management HK Ltd	0.86%	$38.4M	17.23%	Add 83.82%
Alliancebernstein L.P.	0.83%	$15.7M	0.01%	Not reported
Bank of America Corp	0.75%	$33.5M	0.00%	Not reported
Tudor Investment Corp Et Al	0.71%	$31.8M	0.04%	Not reported
Tidal Investments LLC	0.70%	$31.5M	0.05%	Add 87.85%
Los Angeles Capital Management LLC	0.68%	$30.2M	0.11%	Not reported
Raymond James Financial Inc	0.67%	$30.1M	0.01%	Not reported
HERALD INVESTMENT MANAGEMENT Ltd	0.66%	$29.3M	3.97%	Reduce 64.95%
Ashford Capital Management Inc	0.64%	$28.5M	3.05%	Reduce 34.01%
Russell Investments Group, Ltd.	0.62%	$27.4M	0.02%	Not reported
Silvercrest Asset Management Group LLC	0.58%	$25.7M	0.17%	Reduce 41.30%
Ameriprise Financial Inc	0.56%	$25M	0.01%	Not reported
Millennium Management LLC	0.53%	$23.8M	0.01%	Not reported
BNP Paribas Financial Markets	0.53%	$23.7M	0.01%	Not reported
Universal- Beteiligungs- und Servicegesellschaft mbH	0.50%	$22.2M	0.03%	Not reported
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.43%	$19.4M	0.00%	Not reported
Alight Capital Management LP	0.43%	$19M	2.67%	Add 25.00%
Prudential Financial Inc	0.42%	$18.7M	0.02%	Not reported

50 of 483 holders

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