ALIGN TECHNOLOGY INC (ALGN): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in ALGN · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
24
13F filers
Aggregate Value
$852.1M
Across holders
Last Price
$159.64
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity14 increased10 reduced4 exited
Full exits: Verition Fund Management LLC, ADAGE CAPITAL PARTNERS GP, L.L.C., MARSHALL WACE, LLP, Ancora Advisors, LLC
Institutional Holders of ALGN
24 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
Ruane, Cunniff & Goldfarb L.P.
CIK 0001720792
Hedge Fund1.17M$197.6M23.2%3.1%Reduced$-5.9MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund1.07M$180.7M21.2%0.1%Added+$2.9MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund900K$151.2M17.7%0.1%Added+$151.1MQ2 2026
Senvest Management, LLC
CIK 0001328785
Hedge Fund745K$125.7M14.8%3.7%Reduced$-1.6MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund299K$50.4M5.9%0.0%Reduced+$27.0MQ2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund226K$38.1M4.5%0.1%Added+$24.3MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund211K$35.6M4.2%0.0%Added+$34.0MQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund186K$31.4M3.7%0.1%Added+$2.8MQ2 2026
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund82K$13.9M1.6%0.1%Added+$12.2MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund27K$4.5M0.5%0.0%Added+$2.7MQ2 2026
Ruane, Cunniff & Goldfarb L.P.Reduced
Hedge Fund
$197.6M· 23.2% of total· 3.1% port· 1.17M sh· $-5.9M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$180.7M· 21.2% of total· 0.1% port· 1.07M sh· +$2.9M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$151.2M· 17.7% of total· 0.1% port· 900K sh· +$151.1M QoQ· Q2 2026
Senvest Management, LLCReduced
Hedge Fund
$125.7M· 14.8% of total· 3.7% port· 745K sh· $-1.6M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$50.4M· 5.9% of total· 0.0% port· 299K sh· +$27.0M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$38.1M· 4.5% of total· 0.1% port· 226K sh· +$24.3M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$35.6M· 4.2% of total· 0.0% port· 211K sh· +$34.0M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$31.4M· 3.7% of total· 0.1% port· 186K sh· +$2.8M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$13.9M· 1.6% of total· 0.1% port· 82K sh· +$12.2M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$4.5M· 0.5% of total· 0.0% port· 27K sh· +$2.7M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$4.3M· 0.5% of total· 0.0% port· 25K sh· QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$4.1M· 0.5% of total· 0.0% port· 24K sh· +$903K QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$3.4M· 0.4% of total· 0.0% port· 20K sh· QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$2.9M· 0.3% of total· 0.0% port· 17K sh· +$1.1M QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$1.6M· 0.2% of total· 0.0% port· 10K sh· QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$1.6M· 0.2% of total· 0.0% port· 9K sh· QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$1.5M· 0.2% of total· 0.0% port· 9K sh· +$654K QoQ· Q2 2026
PineBridge Investments, L.P.Reduced
Hedge Fund
$908K· 0.1% of total· 0.0% port· 7K sh· $-1.1M QoQ· Q3 2025
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$906K· 0.1% of total· 0.0% port· 5K sh· $-3.8M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$602K· 0.1% of total· 0.0% port· 4K sh· +$302K QoQ· Q2 2026
Alphadyne Asset Management LPReduced
Hedge Fund
$568K· 0.1% of total· 0.0% port· 3K sh· $-9.6M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$322K· 0.0% of total· 0.0% port· 2K sh· $-2.3M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$309K· 0.0% of total· 0.0% port· 2K sh· $-7.1M QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$6K· 0.0% of total· 0.0% port· 37 sh· $-685K QoQ· Q2 2026
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