ASTRAZENECA PLC-SPONS ADR (AZN) Stock Institutional Trading Activity


ASTRAZENECA PLC-SPONS ADR (AZN) 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 Causeway Capital Management, Parnassus Endeavor Fund, Sequoia Financial Advisors, Renaissance Technologies LLC, and Dodge & Cox Stock Fund. 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
Q1 2021Dodge & Cox Stock FundSell-2,424,896890,276$44,265
Q1 2021Sequoia Financial AdvisorsBuy3595,902$293
Q1 2021Renaissance Technologies LLCSell-347,20018,900$940
Q4 2020Dodge & Cox Stock FundSell-11,506,1743,315,172$165,725
Q4 2020Sequoia Financial AdvisorsBuy9445,543$277
Q4 2020Renaissance Technologies LLCSell-284,189366,100$18,301
Q4 2020Ariel Appreciation FundBuy26,40526,405$1,320
Q3 2020Dodge & Cox Stock FundSell-3,954,41714,821,346$812,210
Q3 2020Sequoia Financial AdvisorsBuy774,599$252
Q3 2020Renaissance Technologies LLCSell-2,739,666650,289$35,636
Q2 2020Dodge & Cox Stock FundSell-11,107,27518,775,763$993,050
Q2 2020Sequoia Financial AdvisorsBuy4,5224,522$239
Q2 2020Renaissance Technologies LLCSell-394,9513,389,955$179,295
Q1 2020Dodge & Cox Stock FundSell-8,591,89229,883,038$1,334,576
Q1 2020Renaissance Technologies LLCBuy2,925,4063,784,906$169,034
Q4 2019Dodge & Cox Stock FundSell-10,874,21038,474,930$1,918,360
Q4 2019Renaissance Technologies LLCBuy712,900859,500$42,855
Q3 2019Dodge & Cox Stock FundBuy12,17849,349,140$2,199,491
Q3 2019Renaissance Technologies LLCSell-1,254,037146,600$6,534
Q2 2019Dodge & Cox Stock FundSell-77,23949,336,962$2,036,630
Q2 2019Renaissance Technologies LLCSell-443,6631,400,637$57,818
Q1 2019Dodge & Cox Stock FundSell-102,20049,414,201$1,997,816
Q1 2019Renaissance Technologies LLCBuy1,817,1001,844,300$74,565
Q4 2018Dodge & Cox Stock FundSell-1,623,90849,516,401$1,880,633
Q3 2018Dodge & Cox Stock FundSell-1,634,50051,140,309$2,023,622
Q3 2018Renaissance Technologies LLCSell-1,003,80027,200$1,076
Q2 2018Dodge & Cox Stock FundSell-1,755,37052,774,809$1,852,924
Q1 2018Dodge & Cox Stock FundSell-2,000,80054,530,179$1,906,920
Q1 2018Renaissance Technologies LLCBuy927,1001,031,000$36,054
Q4 2017Dodge & Cox Stock FundBuy330,80156,530,979$1,961,625

Frequently asked questions about AZN activity

  • Which institutional owners are buying AZN?

    Institutional owners buying AZN 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 AZN activity?

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

  • Is institutional interest in AZN increasing?

    Institutional interest in AZN 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.