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
Q3 2017Renaissance Technologies LLCBuy449,5192,037,200$379,469
Q3 2017Polen Capital ManagementSell-297,3943,065,176$570,950
Q3 2017Disciplined Growth InvestorsSell-20,4991,089,368$202,917
Q3 2017ARK InvestBuy1,42414,197$2,644
Q3 2017Sequoia Financial AdvisorsSell-2921,468$273
Q2 2017Polen Capital ManagementBuy212,7733,362,570$504,789
Q2 2017Renaissance Technologies LLCBuy160,8811,587,681$238,343
Q2 2017Disciplined Growth InvestorsSell-6,0341,109,867$166,613
Q2 2017ARK InvestBuy5,41012,773$1,917
Q2 2017Sequoia Financial AdvisorsBuy1,7601,760$264
Q1 2017Polen Capital ManagementBuy248,0953,149,797$361,313
Q1 2017Renaissance Technologies LLCBuy110,3001,426,800$163,668
Q1 2017Disciplined Growth InvestorsSell-6,7551,115,901$128,005
Q1 2017ARK InvestBuy1,5137,363$845
Q4 2016Polen Capital ManagementBuy1,160,3622,901,702$278,941
Q4 2016Renaissance Technologies LLCBuy372,3001,316,500$126,555
Q4 2016Lone Pine CapitalBuy39,6142,476,534$238,069
Q4 2016Disciplined Growth InvestorsBuy21,1251,122,656$107,921
Q4 2016ARK InvestBuy5,8505,850$562
Q3 2016Lone Pine CapitalBuy2,436,9202,436,920$228,461
Q3 2016Renaissance Technologies LLCBuy105,000944,200$88,519
Q3 2016Polen Capital ManagementBuy71,2191,741,340$163,251
Q3 2016Disciplined Growth InvestorsSell-17,6101,101,531$103,269
Q2 2016Polen Capital ManagementBuy169,5161,670,121$134,528
Q2 2016Renaissance Technologies LLCBuy138,393839,200$67,598
Q2 2016Disciplined Growth InvestorsSell-8,5251,119,141$90,147
Q1 2016Polen Capital ManagementBuy1,500,6051,500,605$109,079
Q1 2016Renaissance Technologies LLCBuy86,526700,807$50,942
Q1 2016Disciplined Growth InvestorsSell-36,4441,127,666$81,970
Q4 2015Renaissance Technologies LLCBuy364,481614,281$40,450

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.

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