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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

AGN

Superinvestors

Institutional investors holding AGN

Consensus →
InvestorFundWeightSharesValueQuarter
Bill AckmanPershing Square Capital Management35.30%26,635,978$5.7B2014Q4
Polen Capital ManagementPolen Capital Management5.09%1,162,639$247.2M2014Q4
Mason HawkinsLongleaf Partners – Southeastern Asset Management3.54%1,288,500$215.7M2019Q2
David EinhornGreenlight Capital1.99%437,200$117.2M2016Q1
Bill MillerMiller Value Partners1.62%278,655$40.8M2019Q1
David TepperAppaloosa Management0.93%150,000$46.9M2015Q4
William Von MuefflingCantillon Capital Management0.37%204,467$34.1M2018Q2
Viking Global InvestorsViking Global Investors0.26%250,577$59.9M2017Q1
First Eagle Investment ManagementFirst Eagle Investment Management0.11%253,479$42.4M2019Q2
Meridian / ArrowMarkMeridian Contrarian Fund0.04%28,318$4.7M2018Q2
Christopher DavisDavis Selected Advisers0.00%2,100$571K2015Q3
Kenneth FisherFisher Asset Management0.00%1,949$345K2020Q1
Dodge & CoxDodge & Cox0.00%1,100$299K2015Q3

Congressional Activity

Congressional data coming soon

Insider Activity

No insider trades in the last 90 days

Insider Tradeslast 90 days

No insider trades in the last 90 days.

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.