MARCHEX INC-CLASS B (MCHX) Institutional Ownership Changes & 13F Activity

MARCHEX INC-CLASS B (MCHX). 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 Arax Advisory Partners, Acuitas Investments, Llc, Renaissance Technologies LLC, Acadian Asset Management Llc, and Black Diamond Financial, Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Citadel Advisors LlcBuy+731+4.4%17,360$27.95KQ2 2026Sep 02, 2026
Bridgeway Capital Management, LlcSell-14,500-25.5%42,328$68.15KQ2 2026Aug 14, 2026
Goldman Sachs Group IncSell-2,835-6.0%44,593$71.80KQ2 2026Aug 14, 2026
Barclays PlcBuy+63—63$101.00Q2 2026Aug 14, 2026
Renaissance Technologies LLCSell-29,440-1.8%1,576,464$2.54MQ2 2026Aug 13, 2026
Acadian Asset Management LlcSell-26,171-12.4%185,448$297.00KQ2 2026Aug 13, 2026
Northern Trust CorpSell-5,684-7.5%70,345$113.25KQ2 2026Aug 13, 2026
Vanguard Capital Management LlcSell-1,455-0.1%1,079,881$1.74MQ2 2026Aug 13, 2026
Vanguard Fiduciary Trust CoBuy+1,455+0.7%203,633$327.85KQ2 2026Aug 13, 2026
Geode Capital Management, LlcSell-4,179-1.0%400,627$645.18KQ2 2026Aug 12, 2026
Jpmorgan Chase & CoBuy+43—43$70.00Q2 2026Aug 12, 2026
Tower Research Capital Llc (Trc)Buy+839+40.1%2,930$4.72KQ2 2026Aug 11, 2026
Dimensional Fund Advisors LpSell-35-0.1%66,241$106.67KQ2 2026Aug 11, 2026
Arax Advisory PartnersBuy+145,908—145,908$234.91KQ2 2026Aug 10, 2026
Blackrock, Inc.Buy+16,226+2.5%656,221$1.06MQ2 2026Aug 07, 2026
Clearstead Advisors, LlcBuy+50—50$81.00Q2 2026Aug 06, 2026
Acuitas Investments, LlcSell-30,968-23.2%102,734$167.46KQ2 2026Jul 30, 2026
Marathon Capital ManagementBuy+2,500+4.1%64,000$103.04KQ2 2026Jul 22, 2026
Black Diamond Financial, LlcSell-20,000-100.0%0$0.00Q2 2026May 05, 2026
Ubs Group AgSell-626-100.0%0$0.00Q2 2026May 05, 2026
Showing 20 of 20

Frequently asked questions about MCHX activity

  • Which institutional owners are buying MCHX?

    Institutional owners buying MCHX 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 MCHX activity?

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

  • Is institutional interest in MCHX increasing?

    Institutional interest in MCHX 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.

Related MCHX Institutional Insights