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Financial transparency data from public SEC filings.

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

ALTR

Superinvestors

Institutional investors holding ALTR

Consensus →
InvestorFundWeightSharesValueQuarter
William Von MuefflingCantillon Capital Management4.26%5,589,653$206.5M2014Q4
First Eagle Investment ManagementFirst Eagle Investment Management0.52%4,077,866$204.2M2015Q3
David TepperAppaloosa Management0.05%68,000$2.4M2010Q4
Jensen Investment ManagementJensen Investment Management0.02%1,600$26.2M2001Q3
Kenneth FisherFisher Asset Management0.02%401,612$38.4M2024Q3
Christopher DavisDavis Selected Advisers0.01%38,800$1.9M2015Q3
Polen Capital ManagementPolen Capital Management0.01%67,792$5.1M2023Q2
Mairs & PowerMairs & Power Growth Fund0.00%4,431$483K2024Q4

Congressional Activity

Congressional data coming soon

Insider Activity

1

Total trades

$114K

Volume

0

Buys

1

Sells

Last trade: Dec 23, 2024

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.