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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

ACNXXXX

Superinvestors

Institutional investors holding ACNXXXX

Consensus →
InvestorFundWeightSharesValueQuarter
William Von MuefflingCantillon Capital Management10.44%1,185,378$49.2M2009Q4
Polen Capital ManagementPolen Capital Management5.39%2,267,421$120.7M2011Q4
Chase ColemanTiger Global Management3.05%194,400$5.2M2002Q1
Jensen Investment ManagementJensen Investment Management0.00%2,130$71K2009Q2

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.