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Ownership

13F as of Q2 2026 · 40.8M shares outstanding
ADVISORY BOARD CO is not yet matched to a CUSIP, so institutional (13F) holdings cannot be attributed to it. The sections below that come from its own filings still apply.

Who owns ADVISORY BOARD CO?

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How is ownership changing?

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Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for ADVISORY BOARD CO in the last 12 months.

Is your stake being diluted?

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How patient are the owners?

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Super Investors

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