MGIC (MGIC) Institutional Ownership Changes & 13F Activity

MGIC (MGIC) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC and ARK Invest.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2021ARK InvestSell-135,720211,100$4,184
Q3 2021Renaissance Technologies LLCSell-69,200549,264$10,985
Q2 2021Renaissance Technologies LLCSell-19,700618,464$10,038
Q2 2021ARK InvestBuy15,679346,820$5,597
Q1 2021ARK InvestBuy292,007331,141$5,139
Q1 2021Renaissance Technologies LLCBuy8,699638,164$9,706
Q4 2020Renaissance Technologies LLCSell-5,200629,465$9,851
Q3 2020Renaissance Technologies LLCBuy99,000634,665$8,333
Q2 2020Renaissance Technologies LLCSell-12,300535,665$6,053
Q1 2020Renaissance Technologies LLCBuy56,167547,965$4,406
Q4 2019Renaissance Technologies LLCBuy51,133491,798$4,810
Q4 2019ARK InvestBuy10,57339,134$381
Q3 2019Renaissance Technologies LLCBuy21,531440,665$4,050
Q2 2019Renaissance Technologies LLCBuy8,769419,134$3,760
Q1 2019Renaissance Technologies LLCBuy15,700410,365$3,431
Q4 2018Renaissance Technologies LLCSell-37,387394,665$3,011
Q3 2018Renaissance Technologies LLCBuy40,000432,052$3,672
Q1 2018Renaissance Technologies LLCSell-36,599392,052$3,332
Q4 2017Renaissance Technologies LLCBuy36,599428,651$3,591
Q4 2017ARK InvestBuy28,56128,561$242
Q3 2017Renaissance Technologies LLCBuy11,700392,052$3,411
Q2 2017Renaissance Technologies LLCBuy40,200380,352$3,024
Q1 2017Renaissance Technologies LLCSell-5,800340,152$2,653
Q4 2016Renaissance Technologies LLCSell-10,881345,952$2,307
Q3 2016Renaissance Technologies LLCBuy63,481356,833$2,545
Q2 2016Renaissance Technologies LLCBuy900293,352$1,945
Q1 2016Renaissance Technologies LLCSell-9,249292,452$1,980
Q4 2015Renaissance Technologies LLCBuy105,349301,701$1,668
Q3 2015Renaissance Technologies LLCBuy107,400196,352$1,066
Q2 2015Renaissance Technologies LLCSell-3,02088,952$592

Frequently asked questions about MGIC activity

  • Which institutional owners are buying MGIC?

    Institutional owners buying MGIC 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 MGIC activity?

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

  • Is institutional interest in MGIC increasing?

    Institutional interest in MGIC 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.

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