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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 10 sales; 515 institutions reported holding it in 13F filings for Q2 2026, worth $8.27B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q1 2021

Institutional positions in Vicor Corp as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
194
No complete 13F data for Q4 2020
Shares held
16.2M
No complete 13F data for Q4 2020
Total value
$1.37B
No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting VICR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 194 institutions
Q1 2021: 194 institutionsQ2 2021: 192 institutionsQ3 2021: 217 institutionsQ4 2021: 245 institutionsQ1 2022: 226 institutionsQ2 2022: 196 institutionsQ3 2022: 205 institutionsQ4 2022: 199 institutionsQ1 2023: 200 institutionsQ2 2023: 201 institutionsQ3 2023: 226 institutionsQ4 2023: 201 institutionsQ1 2024: 174 institutionsQ2 2024: 170 institutionsQ3 2024: 179 institutionsQ4 2024: 199 institutionsQ1 2025: 216 institutionsQ2 2025: 207 institutionsQ3 2025: 215 institutionsQ4 2025: 289 institutionsQ1 2026: 371 institutionsQ2 2026: 515 institutions
Value heldQ1 2021: $1.37B
Q1 2021: $1.37BQ2 2021: $1.78BQ3 2021: $2.40BQ4 2021: $2.22BQ1 2022: $1.26BQ2 2022: $1.03BQ3 2022: $1.09BQ4 2022: $966.5MQ1 2023: $913.0MQ2 2023: $1.15BQ3 2023: $1.24BQ4 2023: $897.0MQ1 2024: $735.7MQ2 2024: $620.9MQ3 2024: $812.1MQ4 2024: $947.4MQ1 2025: $934.0MQ2 2025: $865.7MQ3 2025: $963.5MQ4 2025: $2.25BQ1 2026: $3.34BQ2 2026: $8.27B
Institutions holding VICR and their total value by quarter
QuarterHoldersValue
Q2 2026515$8.27B
Q1 2026371$3.34B
Q4 2025289$2.25B
Q3 2025215$963.5M
Q2 2025207$865.7M
Q1 2025216$934.0M
Q4 2024199$947.4M
Q3 2024179$812.1M
Q2 2024170$620.9M
Q1 2024174$735.7M
Q4 2023201$897.0M
Q3 2023226$1.24B
Q2 2023201$1.15B
Q1 2023200$913.0M
Q4 2022199$966.5M
Q3 2022205$1.09B
Q2 2022196$1.03B
Q1 2022226$1.26B
Q4 2021245$2.22B
Q3 2021217$2.40B
Q2 2021192$1.78B
Q1 2021194$1.37B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Vicor Corp.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding VICR in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,142,788$267.2M0.01%––
Vanguard Group Inc2,187,973$186.0M0.01%––
Invesco Ltd.1,157,822$98.4M0.03%––
Hood River Capital Management LLC869,364$73.9M2.38%––
Capital Research Global Investors684,138$58.2M0.01%––
State Street Corp587,762$50.0M0.00%––
Ashford Capital Management Inc477,006$40.6M3.79%––
Dimensional Fund Advisors LP361,590$30.8M0.01%––
Driehaus Capital Management LLC347,703$29.6M0.44%––
Geode Capital Management, LLC347,551$29.6M0.00%––
Northern Trust Corp345,283$29.4M0.01%––
First Trust Advisors LP310,862$26.4M0.03%––
Granite Investment Partners, LLC291,940$24.8M0.83%––
Needham Investment Management LLC229,850$19.5M2.67%––
Goldman Sachs Group Inc212,693$18.1M0.01%––
Bank of New York Mellon Corp204,981$17.4M0.00%––
Kornitzer Capital Management Inc164,370$14.0M0.22%––
S Squared Technology, LLC159,780$13.6M6.42%––
Norges Bank154,784$13.2M0.00%––
Principal Financial Group Inc149,899$12.7M0.01%––
Charles Schwab Investment Management Inc140,706$12.0M0.00%––
Trellus Management Company, LLC129,945$11.0M12.72%––
Herald Investment Management Ltd122,000$10.4M1.80%––
Morgan Stanley113,645$9.66M0.00%––
Ararat Capital Management, LP110,143$9.37M5.16%––
Ameriprise Financial Inc97,620$8.30M0.00%––
RK Capital Management, LLC88,600$7.53M1.50%––
G2 Investment Partners Management LLC86,034$7.32M1.17%––
Congress Asset Management Co84,995$7.23M0.07%––
Granahan Investment Management Inc84,689$7.20M0.15%––
Analog Century Management LP81,543$6.93M2.82%––
AWM Investment Company, Inc.79,000$6.72M0.75%––
ARS Investment Partners, LLC78,663$6.69M0.78%––
Oak Ridge Investments LLC76,935$6.54M0.61%––
Nuveen Asset Management, LLC73,953$6.29M0.00%––
Legal & General Group Plc68,589$5.83M0.00%––
Alight Capital Management LP65,000$5.53M1.76%––
Millennium Management LLC64,766$5.51M0.01%––
JPMorgan Chase & Co62,161$5.29M0.00%––
Next Century Growth Investors LLC60,987$5.18M0.40%––
Kennedy Capital Management, Inc.60,932$5.18M0.10%––
Rice Hall James & Associates, LLC60,129$5.11M0.17%––
Rhumbline Advisers58,789$5.00M0.01%––
Janney Montgomery Scott LLC53,707$4.57M0.02%––
Parametric Portfolio Associates LLC51,658$4.39M0.00%––
Swiss National Bank46,832$3.98M0.00%––
Citadel Advisors LLC46,300$3.94M0.00%––
Harbor Investment Advisory, LLC45,800$3.89M0.59%––
New York State Teachers Retirement System45,588$3.88M0.01%––
Public Sector Pension Investment Board43,539$3.70M0.02%––
Wells Fargo & Company42,566$3.62M0.00%––
Advisory Research Inc40,254$3.42M0.24%––
Roubaix Capital, LLC38,220$3.25M2.20%––
Man Group plc38,068$3.24M0.01%––
New York State Common Retirement Fund37,688$3.21M0.00%––
Bank of America Corp37,371$3.18M0.00%––
Prudential Financial Inc37,296$3.17M0.00%––
Ironwood Investment Management LLC36,091$3.07M1.62%––
California Public Employees Retirement System36,016$3.06M0.00%––
First Washington CORP34,143$2.90M1.15%––
State of Wisconsin Investment Board34,100$2.90M0.01%––
Alliancebernstein L.P.31,692$2.69M0.00%––
SEI Investments Co30,064$2.58M0.01%––
California State Teachers Retirement System29,084$2.47M0.00%––
Barclays PLC28,078$2.39M0.00%––
Susquehanna International Group, LLP27,482$2.34M0.00%––
CIBC Private Wealth Group, LLC27,186$2.31M0.01%––
Investment Management of Virginia LLC26,465$2.25M0.45%––
Advisor Group Holdings, Inc.26,072$2.22M0.01%––
Castleark Management LLC23,620$2.01M0.07%––
UBS Asset Management Americas Inc23,037$1.96M0.00%––
Comerica Bank21,342$1.93M0.01%––
AlphaCrest Capital Management LLC21,888$1.86M0.10%––
HRT Financial LP21,203$1.80M0.02%––
Apis Capital Advisors, LLC20,000$1.70M1.55%––
Balyasny Asset Management LLC19,786$1.68M0.01%––
Alpha Paradigm Partners, LLC19,508$1.66M0.65%––
Credit Suisse AG18,555$1.58M0.00%––
Great West Life Assurance Co18,084$1.54M0.00%––
ExodusPoint Capital Management, LP17,680$1.50M0.03%––
Thrivent Financial for Lutherans17,424$1.48M0.00%––
Deutsche Bank AG17,115$1.46M0.00%––
Ensign Peak Advisors, Inc16,400$1.39M0.00%––
Commonwealth of Pennsylvania Public School Empls Retrmt Sys16,358$1.39M0.02%––
Texas Permanent School Fund15,846$1.35M0.02%––
Millrace Asset Group, Inc.15,529$1.32M0.71%––
Price T Rowe Associates Inc15,381$1.31M0.00%––
Capital Impact Advisors, LLC15,142$1.29M0.45%––
Aviva PLC14,391$1.22M0.01%––
State of Alaska, Department of Revenue14,360$1.22M0.01%––
Cubist Systematic Strategies, LLC13,795$1.17M0.02%––
Duality Advisers, LP13,706$1.17M0.10%––
AQR Capital Management LLC13,407$1.14M0.00%––
CWM Advisors, LLC13,352$1.14M0.17%––
American International Group, Inc.13,003$1.11M0.00%––
Wealthspire Advisors, LLC12,899$1.10M0.03%––
Voya Investment Management LLC12,874$1.09M0.00%––
Hillsdale Investment Management Inc.11,700$995.0K0.08%––
Manufacturers Life Insurance Company, The11,212$953.0K0.00%––
SG Americas Securities, LLC10,791$918.0K0.01%––