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
Q2 2022ARK InvestBuy11610,462$2,905
Q2 2022Bares Capital ManagementBuy279,461690,233$163,357
Q2 2022Parnassus Endeavor FundBuy21,27921,279$5,036
Q2 2022Disciplined Growth InvestorsBuy90,424510,282$120,768
Q2 2022Polen Capital ManagementBuy47,1841,918,921$454,151
Q1 2022ARK InvestBuy1,63910,346$4,511
Q1 2022Bares Capital ManagementSell-107,205410,772$179,097
Q1 2022Sequoia Financial AdvisorsBuy77526$229
Q1 2022Disciplined Growth InvestorsBuy9,768419,858$183,058
Q1 2022Polen Capital ManagementBuy94,5391,871,737$816,077
Q4 2021ARK InvestSell-7928,707$5,722
Q4 2021Bares Capital ManagementSell-35,377517,977$340,404
Q4 2021Sequoia Financial AdvisorsSell-113449$295
Q4 2021Third PointBuy300,000300,000$197,154
Q4 2021Disciplined Growth InvestorsSell-12,887410,090$269,503
Q4 2021Polen Capital ManagementBuy120,7931,777,198$1,167,939
Q3 2021ARK InvestSell-2,2049,499$6,321
Q3 2021Bares Capital ManagementSell-66,687553,354$368,218
Q3 2021Viking Global InvestorsSell-292,517111,570$74,242
Q3 2021Disciplined Growth InvestorsSell-8,411422,977$281,462
Q3 2021Polen Capital ManagementBuy21,8001,656,405$1,102,222
Q2 2021ARK InvestSell-51211,703$7,151
Q2 2021Bares Capital ManagementSell-149,870620,041$378,845
Q2 2021Renaissance Technologies LLCSell-130,42863,381$38,726
Q2 2021Viking Global InvestorsSell-140,594404,087$246,897
Q2 2021Disciplined Growth InvestorsBuy10,808431,388$263,578
Q2 2021Polen Capital ManagementBuy69,9801,634,605$998,744
Q1 2021ARK InvestBuy8,14912,215$6,615
Q1 2021Bares Capital ManagementSell-34,500769,911$416,930
Q1 2021Renaissance Technologies LLCSell-400,737193,809$104,953

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.