ALIGN TECHNOLOGY INC (ALGN) Stock Institutional Trading Activity


ALIGN TECHNOLOGY INC (ALGN) 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 Disciplined Growth Investors, Bares Capital Management, Alapocas Investment Partners, Sequoia Financial Advisors, and Giverny Capital. 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 2025Disciplined Growth InvestorsBuy16,954820,935$128,189,000
Q3 2025ARK InvestBuy36,208$777,366
Q3 2025Bares Capital ManagementBuy97,378609,722$76,349,389
Q3 2025Sequoia Financial AdvisorsSell-1,5321,901$238,026
Q3 2025Alapocas Investment PartnersSell-4,64029,134$3,648,159
Q3 2025Giverny CapitalSell-66745,691$5,721,427
Q3 2025Disciplined Growth InvestorsSell-41,006803,981$100,674,501
Q2 2025ARK InvestBuy2216,205$1,174,793
Q2 2025Bares Capital ManagementSell-25,262512,344$97,002,090
Q2 2025First Eagle U.S. ValueSell-325995$188,383
Q2 2025Renaissance Technologies LLCSell-33,3002,100$397,593
Q2 2025Sequoia Financial AdvisorsBuy2,0773,433$649,943
Q2 2025Alapocas Investment PartnersSell-2,03533,774$6,394,431
Q2 2025Giverny CapitalBuy1,22346,358$8,776,960
Q2 2025Disciplined Growth InvestorsBuy7,754844,987$159,981,389
Q1 2025ARK InvestSell-9345,984$950,618
Q1 2025Bares Capital ManagementBuy24,481537,606$85,404,089
Q1 2025First Eagle U.S. ValueSell-2,9441,320$209,695
Q1 2025Sequoia Financial AdvisorsSell-3171,356$215,451
Q1 2025Alapocas Investment PartnersBuy10,01135,809$5,688,618
Q1 2025Giverny CapitalBuy2,12945,135$7,170,146
Q1 2025Disciplined Growth InvestorsBuy49,637837,233$133,002,834
Q4 2024ARK InvestBuy5056,918$1,442,472
Q4 2024Bares Capital ManagementBuy7,237513,125$106,991,694
Q4 2024Sequoia Financial AdvisorsBuy2001,673$348,876
Q4 2024First Eagle U.S. ValueBuy3504,264$889,087
Q4 2024Polen Capital ManagementSell-5,7114,504$939,062
Q4 2024Alapocas Investment PartnersBuy25,79825,798$5,379,141
Q4 2024Giverny CapitalBuy10,01343,006$8,967,181
Q4 2024Parnassus Endeavor FundSell-66,596330,007$68,809,760

Frequently asked questions about ALGN activity

  • Which institutional owners are buying ALGN?

    Institutional owners buying ALGN 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 ALGN activity?

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

  • Is institutional interest in ALGN increasing?

    Institutional interest in ALGN 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.