Skip to main content

Vicor Corp

VICR
Exchange
Nasdaq
Industry
Electronic Components, NEC
SEC CIK
0000751978

In the last 90 days, Vicor Corp insiders filed 0 open-market purchases and 7 sales; 518 institutions reported holding it in 13F filings for Q2 2026, worth $8.27B in total; Maverick Capital is the only superinvestor holding it.

Key figures

Market capNo recent share count in SEC filings
–
Insider buysOpen market, last 90 days
0
Insider sellsLast 90 days, $15.4M in total
7
13F holdersQ2 2026, +150 vs. previous quarter
518
13F valueReported value at the end of Q2 2026
$8.27B
Superinvestors holdingAt the end of Q2 2026
1

Price chart

From SEC filings, in USD.

Revenue, FY2025
$452.7M
+26.1% year over year
Net income, FY2025
$118.6M
+1,834.3% year over year
Free cash flow, FY2025
$119.2M
+337.7% year over year
Revenue, Q3 FY2026
$197.1M
+78.5% year over year

Revenue flow, FY2025

Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest
2.15M
Shares sold short
Change
−118.5K
−5.2% vs. previous
Days to cover
1.78
At average daily volume

Superinvestors holding VICR, Q2 2026

Go to the superinvestors tab

1 superinvestor reports holding Vicor Corp on Form 13F. Percentages are the stock's share of each portfolio.

Maverick Capital

Lee Ainslie

<0.1%

Vicor Corp's share of the portfolio

Shares
1,805
Value
$685.5K

Latest insider trades

See all insider trades

Open-market purchases and sales by Vicor Corp insiders from Form 4, newest first.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 3, 2026 (view filing)11:45 AM ETNov 21 dayDavies Philip DCorp. VP-Global Sales & Mktg.SSale−3.07K$183.26−$563.2K−61.5%1.92K after12 lots10b5-1
Oct 5, 2026 (view filing)3:55 PM ETOct 14 daysDavies Philip DCorp. VP-Global Sales & Mktg.SSale−3.07K$316.37−$971.9K−61.5%1.92K after11 lots10b5-1
Oct 5, 2026 (view filing)3:45 PM ETOct 23 daysVinciarelli PatrizioChairman & CEOSSale−20.0K$310.12−$6.20M−0.2%8.31M after7 lots10b5-1
Oct 5, 2026 (view filing)10:43 AM ETOct 14 daysVinciarelli PatrizioChairman & CEOSSale−20.0K$316.13−$6.32M−0.2%8.33M after17 lots10b5-1
Sep 3, 2026 (view filing)2:13 PM ETSep 12 daysDavies Philip DCorp. VP-Global Sales & Mktg.SSale−3.07K$177.70−$546.1K−61.5%1.92K after4 lots10b5-1
Aug 19, 2026 (view filing)9:42 AM ETAug 172 daysLavie ZmiraDirectorSSale−908$250.00−$227.0K−100.0%0 after
Aug 18, 2026 (view filing)4:14 PM ETAug 171 dayAnderson Samuel JDirectorSSale−2.07K$252.60−$523.6K−33.9%4.03K after
Aug 5, 2026 (view filing)11:13 AM ETAug 32 daysDavies Philip DCorp. VP-Global Sales & Mktg.SSale−3.07K$211.69−$650.3K−61.5%1.92K after9 lots10b5-1
Jul 27, 2026 (view filing)11:09 AM ETJul 234 daysLavie ZmiraDirectorSSale−1.22K$224.72−$273.3K−100.0%0 after
Jul 7, 2026 (view filing)10:04 AM ETJul 61 dayVinciarelli PatrizioChairman & CEOSSale−700$302.40−$211.7K0.0%8.35M after2 lots10b5-1

Top 10 13F holders, Q2 2026

See all 518 holders

The largest institutional positions in Vicor Corp at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding VICR in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.2,460,929$934.6M0.01%−423,446−14.7%Reduced
Price T Rowe Associates Inc2,368,366$899.5M0.09%+479,920+25.4%Added
JPMorgan Chase & Co2,370,220$869.8M0.05%+263,494+12.5%Added
Vanguard Portfolio Management LLC1,280,146$486.2M0.02%+118,012+10.2%Added
Vanguard Capital Management LLC1,120,538$425.6M0.01%+85,798+8.3%Added
State Street Corp726,021$275.7M0.01%−85,596−10.5%Reduced
Geode Capital Management, LLC587,338$223.1M0.01%−15,323−2.5%Reduced
Jane Street Group, LLC539,169$204.8M0.13%+211,454+64.5%Added
Manufacturers Life Insurance Company, The530,885$201.6M0.16%−72,479−12.0%Reduced
Arrowstreet Capital, Limited Partnership530,811$201.6M0.09%−5,463−1.0%Reduced

Holders of 5% or more of VICR

See all 3 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Vicor Corp.

Largest holders of VICR from 13D and 13G filings
HolderLatest formStakeChangeFirst filedLatest filingFiling
Vinciarelli Patrizio13G/A47.30%21.1M shares–Feb 10, 20215 filingsFeb 11, 2025SEC
Price T Rowe Associates Inc13G/A12.80%4.38M shares+5.80 ppfrom 7.00%May 15, 20263 filingsSep 8, 2026SEC
BlackRock, Inc.13G/A6.70%2.27M shares−1.20 ppfrom 7.90%Apr 24, 20262 filingsJul 30, 2026SEC

1 member of Congress reported 2 trades in Vicor Corp since 2020. Newest filings:

  1. Jefferson Shreve

    House · IN · Apr 11, 2025

    Buy$15K-$50K

  2. Jefferson Shreve

    House · IN · Apr 11, 2025

    Sell$15K-$50K