Institutional shares held 19.3 Million
118K calls
207K puts
Total value of holdings $933M
$5.7M calls
$10M puts
Market Cap $1.56B
32,225,600 Shares Out.
Institutional ownership 59.81%
# of Institutions 230


Latest Institutional Activity in VICR

Top Purchases

Q2 2025
Citadel Advisors LLC Shares Held: 167K ($8.07M)
Q2 2025
Morgan Stanley Shares Held: 328K ($15.9M)
Q2 2025
Gsa Capital Partners LLP Shares Held: 58.5K ($2.83M)
Q2 2025
Aqr Capital Management LLC Shares Held: 78.2K ($3.79M)
Q2 2025
Edgestream Partners, L.P. Shares Held: 34.4K ($1.66M)

Top Sells

Q2 2025
New York State Common Retirement Fund Shares Held: 6.89K ($334K)
Q2 2025
Federated Hermes, Inc. Shares Held: 23.3K ($1.13M)
Q2 2025
Pinnacle Associates LTD Shares Held: 271K ($13.1M)
Q2 2025
Needham Investment Management LLC Shares Held: 706K ($34.2M)
Q2 2025
Millennium Management LLC Shares Held: 220K ($10.6M)

About VICR

Vicor Corporation, together with its subsidiaries, designs, develops, manufactures, and markets modular power components and power systems for converting electrical power in the United States, Europe, the Asia Pacific, and internationally. The company offers a range of brick-format DC-DC converters; complementary components; and input and output voltage, and output power products, as well as electrical and mechanical accessories. It also provides custom power systems solutions. The company serves independent manufacturers of electronic devices, original equipment manufacturers, and their contract manufacturers in the aerospace and aviation, defense electronics, industrial automation and equipment, instrumentation, test equipment, solid state lighting, telecommunications and networking infrastructure, and vehicles and transportation markets. Vicor Corporation was incorporated in 1981 and is headquartered in Andover, Massachusetts.


Insider Transactions at VICR

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
20.3K Shares
From 5 Insiders
Exercise of conversion of derivative security 20.3K shares
Sell / Disposition
34.8K Shares
From 6 Insiders
Open market or private sale 34.8K shares

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