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Zix Corporation shares owned by Marshall & Ilsley Corporation

Quarter-by-quarter ownership of Zix Corporation shares owned by Marshall & Ilsley Corporation from 13F filings

Historical chart of Marshall & Ilsley Corporation investment in Zix Corporation

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All positions including Zix Corporation held by Marshall & Ilsley Corporation consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Zix Corporation by Marshall & Ilsley Corporation

Quarter filed Position value Share count Share price at filing
2011-03-31 $8.6M 234k 37.00