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Sunday, December 6, 2009, 11:20PM ET - U.S. Markets Closed. Dow Up 0.22% Nasdaq Up 0.98%
Platinum Underwriters Holdings Ltd. (PTP)On Dec 4: 36.30  Up 0.85 (2.40%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 1%
% of Shares Held by Institutional & Mutual Fund Owners: 102%
% of Float Held by Institutional & Mutual Fund Owners: 103%
Number of Institutions Holding Shares: 199

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
PRICE MICHAEL D235,15229-Oct-09
LOMBARDOZZI MICHAEL E113,91628-Feb-09
NEWMAN STEVEN H90,4182-Jan-08
PORTER ROBERT S73,42130-Oct-09
MITCHELL H ELIZABETH68,54827-Oct-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
WELLINGTON MANAGEMENT COMPANY, LLP4,158,3378.13$149,034,79830-Sep-09
AXA2,856,2575.58$102,368,25030-Sep-09
Aronson, Johnson & Ortiz2,744,6005.36$98,366,46430-Sep-09
Barclays Global Investors UK Holdings Ltd2,464,1724.82$88,315,92430-Sep-09
VANGUARD GROUP, INC. (THE)2,232,6434.36$80,017,92530-Sep-09
FMR LLC1,491,0642.91$53,439,73330-Sep-09
CRAMER ROSENTHAL McGLYNN LLC/ADV1,268,6702.48$45,469,13230-Sep-09
MORGAN STANLEY1,121,2342.19$40,185,02630-Sep-09
PERRY CORPORATION1,081,0002.11$38,743,04030-Sep-09
STATE STREET CORPORATION1,042,1082.04$37,349,15030-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
ISHARES RUSSELL 2000 INDEX FD751,9531.47$26,949,99530-Sep-09
VANGUARD SMALL-CAP INDEX FUND579,2191.13$16,559,87130-Jun-09
DELAWARE VIP SMALL CAP VALUE SERIES533,0001.04$15,238,47030-Jun-09
DWS Dreman Small Cap Value Fd491,825.96$17,828,65631-Aug-09
VANGUARD STRATEGIC EQUITY FUND491,800.96$14,060,56230-Jun-09
VANGUARD TOTAL STOCK MARKET INDEX FUND442,414.86$12,648,61630-Jun-09
ISHARES RUSSELL 2000 VALUE INDEX FD431,816.84$15,476,28530-Sep-09
Columbia Fds Ser Tr-Columbia Small Cap Value II Fd400,000.78$14,500,00031-Aug-09
VANGUARD SMALL CAP VALUE INDEX FUND376,395.74$10,761,13330-Jun-09
ARTISAN SMALL CAP VALUE FUND375,900.73$10,746,98130-Jun-09

View Transactions for Insiders & Institutional Holders
* Value shown is computed using the security's price on the report date given.


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