PEDIATRIX MEDICAL GROUP INC (MD) Stock Institutional Trading Activity


PEDIATRIX MEDICAL GROUP INC (MD) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Lountzis Asset Management, Hancock Classic Value, Sequoia Financial Advisors, and First Eagle U.S. Value. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCBuy51,7001,357,700$29,041,203
Q3 2025Renaissance Technologies LLCBuy102,1001,306,000$21,875,500
Q2 2025Renaissance Technologies LLCSell-17,1001,203,900$17,275,965
Q1 2025Renaissance Technologies LLCBuy382,2001,221,000$17,692,290
Q4 2024Renaissance Technologies LLCBuy453,000838,800$11,005,056
Q3 2024Renaissance Technologies LLCSell-28,200385,800$4,471,422
Q2 2024Renaissance Technologies LLCSell-20,300414,000$3,125,700
Q1 2024Renaissance Technologies LLCBuy77,000434,300$4,356
Q4 2023Renaissance Technologies LLCBuy309,100357,300$3,323
Q3 2023Renaissance Technologies LLCSell-5,10048,200$613
Q2 2023Renaissance Technologies LLCSell-55,90053,300$757
Q1 2023Renaissance Technologies LLCSell-31,000109,200$1,628
Q2 2022Renaissance Technologies LLCSell-185,600140,200$2,946
Q1 2022Renaissance Technologies LLCBuy205,600325,800$7,650
Q4 2021Renaissance Technologies LLCSell-98,500120,200$3,271
Q3 2021Lountzis Asset ManagementBuy4040$1,137
Q3 2021Renaissance Technologies LLCSell-92,600218,700$6,218
Q2 2021Renaissance Technologies LLCBuy104,900311,300$9,386
Q4 2020Renaissance Technologies LLCSell-209,100206,400$5,065
Q3 2020Renaissance Technologies LLCBuy61,600415,500$6,764
Q2 2020Renaissance Technologies LLCSell-129,511353,900$6,052
Q1 2020Renaissance Technologies LLCSell-413,259483,411$5,627
Q4 2019Renaissance Technologies LLCBuy171,370896,670$24,918
Q3 2019Renaissance Technologies LLCSell-31,100725,300$16,406
Q2 2019Renaissance Technologies LLCBuy49,700756,400$19,084
Q1 2019Renaissance Technologies LLCBuy214,500706,700$19,201
Q1 2019Hancock Classic ValueSell-1,057,2942,288,341$62,174
Q4 2018Renaissance Technologies LLCSell-85,000492,200$16,243
Q4 2018Hancock Classic ValueBuy91,5133,345,635$110,406
Q3 2018Renaissance Technologies LLCBuy325,000577,200$26,932

Frequently asked questions about MD activity

  • Which institutional owners are buying MD?

    Institutional owners buying MD 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 MD activity?

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

  • Is institutional interest in MD increasing?

    Institutional interest in MD 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.