ALIGN TECHNOLOGY INC (ALGN) Institutional Ownership Changes & 13F Activity

ALIGN TECHNOLOGY INC (ALGN) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Disciplined Growth Investors, Sequoia Fund, Alapocas Investment Partners, ARK Invest, and Sequoia Financial Advisors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2020ARK InvestBuy6492,133$585
Q2 2020Sequoia Financial AdvisorsBuy9815$224
Q1 2020Bares Capital ManagementBuy357,5041,547,908$269,259
Q1 2020Renaissance Technologies LLCBuy327,3812,938,229$511,105
Q1 2020Polen Capital ManagementBuy212,2243,039,006$528,635
Q1 2020Disciplined Growth InvestorsSell-9,763938,373$163,230
Q1 2020ARK InvestSell-4271,484$258
Q4 2019Viking Global InvestorsSell-424,109262,214$73,168
Q4 2019Renaissance Technologies LLCBuy394,9482,610,848$728,531
Q4 2019Bares Capital ManagementBuy140,8911,190,404$332,170
Q4 2019Polen Capital ManagementBuy46,2672,826,782$788,785
Q4 2019Disciplined Growth InvestorsBuy19,488948,136$264,568
Q4 2019ARK InvestBuy1721,911$533
Q3 2019Bares Capital ManagementBuy944,2401,049,513$189,878
Q3 2019Viking Global InvestorsSell-474,822686,323$124,170
Q3 2019Renaissance Technologies LLCSell-321,7812,215,900$400,901
Q3 2019Polen Capital ManagementBuy177,1782,780,515$503,051
Q3 2019Disciplined Growth InvestorsBuy18,564928,648$168,011
Q3 2019ARK InvestSell-10,0981,739$315
Q2 2019Viking Global InvestorsSell-634,8451,161,145$317,805
Q2 2019Renaissance Technologies LLCBuy277,6812,537,681$694,563
Q2 2019Polen Capital ManagementBuy111,2912,603,337$712,533
Q2 2019Disciplined Growth InvestorsSell-47,106910,084$249,090
Q2 2019ARK InvestSell-8,57711,837$3,240
Q2 2019Bares Capital ManagementSell-377105,273$28,813
Q2 2019Sequoia Financial AdvisorsSell-31806$221
Q1 2019Viking Global InvestorsBuy1,234,8901,795,990$510,654
Q1 2019Polen Capital ManagementBuy778,7432,492,046$708,563
Q1 2019Renaissance Technologies LLCSell-259,4812,260,000$642,586
Q1 2019Bares Capital ManagementBuy16,800105,650$30,039

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.