<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the Enzon,
Inc. and Subsidiaries Consolidated Balance Sheet as of June 30, 2000 and the
Consolidated Statement of Operations for the year ended June 30, 2000 and is
qualified in its entirety by reference to such financial statements.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> JUN-30-2000
<CASH> $31,935,410
<SECURITIES> 0
<RECEIVABLES> 5,442,455
<ALLOWANCES> 0
<INVENTORY> 946,717
<CURRENT-ASSETS> 57,580,744
<PP&E> 12,439,729
<DEPRECIATION> 10,650,859
<TOTAL-ASSETS> 130,252,250
<CURRENT-LIABILITIES> 8,172,171
<BONDS> 0
0
70
<COMMON> 408,381
<OTHER-SE> 120,553,713
<TOTAL-LIABILITY-AND-EQUITY> 120,962,164
<SALES> 15,591,488
<TOTAL-REVENUES> 17,017,797
<CGS> 4,888,357
<TOTAL-COSTS> 26,227,247
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 4,051
<INCOME-PRETAX> (6,306,464)
<INCOME-TAX> 0
<INCOME-CONTINUING> (6,306,464)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (6,306,464)
<EPS-BASIC> (0.17)
<EPS-DILUTED> (0.17)
</TABLE>
