VICOR CORP (VICR) Institutional Ownership Changes & 13F Activity

VICOR CORP (VICR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Price T Rowe Associates Inc, Driehaus Capital Management Llc, Aqr Capital Management Llc, Invesco Ltd., and Jane Street Group, Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Envestnet Asset Management IncBuy+4,360+133.0%7,639$2.90MQ2 2026Sep 23, 2026
State Street CorpSell-85,596-10.5%726,021$275.73MQ2 2026Sep 22, 2026
Manufacturers Life Insurance Company, TheSell-72,479-12.0%530,885$201.62MQ2 2026Sep 09, 2026
Integrated Wealth Concepts LlcBuy+1,994—1,994$757.29KQ2 2026Sep 09, 2026
Parkside Financial Bank & TrustBuy+7+58.3%19$7.22KQ2 2026Sep 04, 2026
Citadel Advisors LlcSell-33,001-71.1%13,434$5.10MQ2 2026Sep 02, 2026
Corient Private Wealth LlcBuy+669+17.0%4,596$1.75MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemBuy+365+1.4%27,326$10.38MQ2 2026Aug 24, 2026
Ashford Capital Management IncSell-38,615-34.0%74,920$28.45MQ2 2026Aug 21, 2026
Mercer Global Advisors IncBuy+8,051+157.2%13,174$5.00MQ2 2026Aug 19, 2026
Beacon Pointe Advisors, LlcBuy+3,455—3,455$1.31MQ2 2026Aug 18, 2026
Public Employees Retirement System Of OhioBuy+7,601—7,601$2.89MQ2 2026Aug 17, 2026
Jefferies Financial Group Inc.Buy+3,660—3,660$1.39MQ2 2026Aug 17, 2026
Centaurus Financial, Inc.Buy+1,110—1,110$422.00KQ2 2026Aug 17, 2026
Equitable Holdings, Inc.Buy+1,080—1,080$410.16KQ2 2026Aug 17, 2026
Bank OzkBuy+755—755$286.73KQ2 2026Aug 17, 2026
Proficio Capital Partners LlcBuy+725—725$275.34KQ2 2026Aug 17, 2026
Capstone Investment Advisors, LlcSell-406-26.7%1,114$423.07KQ2 2026Aug 17, 2026
Transamerica Financial Advisors, LlcBuy+50+833.3%56$21.27KQ2 2026Aug 17, 2026
Price T Rowe Associates IncBuy+479,920+25.4%2,368,366$899.46MQ2 2026Aug 14, 2026
Driehaus Capital Management LlcBuy+307,044+162.1%496,507$188.56MQ2 2026Aug 14, 2026
Aqr Capital Management LlcBuy+301,215+203.1%449,524$167.95MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+245,334—245,334$93.17MQ2 2026Aug 14, 2026
Jane Street Group, LlcBuy+211,454+64.5%539,169$204.77MQ2 2026Aug 14, 2026
Millennium Management LlcSell-159,087-71.7%62,780$23.84MQ2 2026Aug 14, 2026
Awm Investment Company, Inc.Sell-139,199-48.3%148,981$56.58MQ2 2026Aug 14, 2026
T. Rowe Price Investment Management, Inc.Buy+133,857—133,857$50.84MQ2 2026Aug 14, 2026
Jacobs Levy Equity Management, IncSell-76,468-74.6%26,003$9.88MQ2 2026Aug 14, 2026
Susquehanna International Group, LlpBuy+73,581+122.5%133,641$50.75MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+65,696—65,696$24.95MQ2 2026Aug 14, 2026
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Frequently asked questions about VICR activity

  • Which institutional owners are buying VICR?

    Institutional owners buying VICR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in VICR activity?

    "Buy" means an investor increased their reported position in VICR compared to the prior reporting period. This reflects growing exposure to VICOR CORP (VICR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in VICR increasing?

    Institutional interest in VICR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.