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.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2023ARK InvestBuy5918,506$2,597,052
Q3 2023Bares Capital ManagementSell-87,725462,911$141,335,987
Q3 2023Renaissance Technologies LLCSell-178,4811,100$336
Q3 2023Sequoia Financial AdvisorsBuy21,000$305,345
Q3 2023Parnassus Endeavor FundBuy1,164356,197$108,754,068
Q3 2023Disciplined Growth InvestorsSell-7,155449,035$137,099,366
Q3 2023Polen Capital ManagementSell-37,9061,544,171$471,466,405
Q2 2023ARK InvestSell-4,2797,915$2,799,061
Q2 2023Bares Capital ManagementSell-300,715550,636$194,726,915
Q2 2023Sequoia Financial AdvisorsBuy30998$352,866
Q2 2023Parnassus Endeavor FundSell-5,774355,033$125,553,870
Q2 2023Disciplined Growth InvestorsSell-13,290456,190$161,327,032
Q2 2023Polen Capital ManagementSell-39,3381,582,077$559,485,633
Q1 2023ARK InvestSell-1,70312,194$4,074,503
Q1 2023Bares Capital ManagementSell-83,895851,351$284,470,423
Q1 2023Sequoia Financial AdvisorsBuy442968$323,448
Q1 2023Parnassus Endeavor FundSell-105,474360,807$120,560,051
Q1 2023Disciplined Growth InvestorsSell-41,910469,480$156,872,047
Q1 2023Polen Capital ManagementSell-52,6581,621,415$541,779,875
Q4 2022ARK InvestBuy1,49913,897$2,930,877
Q4 2022Bares Capital ManagementBuy21,922935,246$197,243,381
Q4 2022Renaissance Technologies LLCBuy116,200179,581$37,874
Q4 2022Parnassus Endeavor FundBuy421,598466,281$98,338,663
Q4 2022Disciplined Growth InvestorsSell-1,343511,390$107,852,151
Q4 2022Polen Capital ManagementSell-313,9651,674,073$353,061,941
Q3 2022ARK InvestBuy1,93612,398$2,568
Q3 2022Bares Capital ManagementBuy223,091913,324$189,159
Q3 2022Parnassus Endeavor FundBuy23,40444,683$9,254
Q3 2022Disciplined Growth InvestorsBuy2,451512,733$106,192
Q3 2022Polen Capital ManagementBuy69,1171,988,038$411,743

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.