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PLATINUM UNDERWRITERS HLDGS
PLATINUM UNDERWRITERS HLDGS. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 139 Institutional holders with a total value of $1,738,360,546.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 2,436,849 178,913,000 10.29%
2 DIMENSIONAL FUND ADVISORS LP 2,376,050 174,450,000 10.04%
3 DONALD SMITH & CO., INC. 2,000,005 146,840,000 8.45%
4 VANGUARD GROUP INC 1,404,426 103,112,000 5.93%
5 VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. 819,750 60,186,000 3.46%
6 HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 798,100 58,597,000 3.37%
7 WELLINGTON MANAGEMENT GROUP LLP 725,229 53,246,000 3.06%
8 BlackRock Fund Advisors 651,615 47,842,000 2.75%
9 Artisan Partners Limited Partnership 649,826 47,710,000 2.74%
10 BlackRock Institutional Trust Company, N.A. 633,470 46,509,000 2.68%
11 JPMORGAN CHASE & CO 616,330 45,251,000 2.60%
12 NORTHERN TRUST CORP 596,431 43,790,000 2.52%
13 MACQUARIE GROUP LTD 584,758 42,933,000 2.47%
14 STATE STREET CORP 534,784 39,265,000 2.26%
15 AQR CAPITAL MANAGEMENT LLC 504,547 37,044,000 2.13%
16 CREDIT SUISSE AG/ 494,414 36,300,000 2.09%
17 Boston Partners 472,232 34,671,000 1.99%
18 DEUTSCHE BANK AG\ 437,681 32,133,000 1.85%
19 MORGAN STANLEY 388,039 28,491,000 1.64%
20 AMERIPRISE FINANCIAL INC 354,699 26,042,000 1.50%
21 Brandywine Global Investment Management, LLC 328,648 24,130,000 1.39%
22 GENERAL AMERICAN INVESTORS CO INC 325,000 23,862,000 1.37%
23 LSV ASSET MANAGEMENT 306,155 22,477,000 1.29%
24 NORGES BANK 271,344 19,922,000 1.15%
25 OMERS ADMINISTRATION Corp 219,790 16,137,000 0.93%
26 DAVIDSON KEMPNER CAPITAL MANAGEMENT LP 203,155 14,916,000 0.86%
27 WATER ISLAND CAPITAL LLC 193,891 14,235,477 0.82%
28 RENAISSANCE TECHNOLOGIES LLC 185,400 13,612,000 0.78%
29 MILLENNIUM MANAGEMENT LLC 177,886 13,060,000 0.75%
30 KENNEDY CAPITAL MANAGEMENT LLC 177,781 13,053,000 0.75%
31 WELLS FARGO & COMPANY/MN 171,340 12,580,000 0.72%
32 BALYASNY ASSET MANAGEMENT L.P. 152,911 11,227,000 0.65%
33 TIAA CREF INVESTMENT MANAGEMENT LLC 146,742 10,774,000 0.62%
34 PROSPECTOR PARTNERS LLC 143,106 10,507,000 0.60%
35 GEODE CAPITAL MANAGEMENT, LLC 138,450 10,164,000 0.58%
36 Bank of New York Mellon Corp 137,961 10,129,000 0.58%
37 RBF Capital, LLC 135,700 9,963,000 0.57%
38 VERTEX ONE ASSET MANAGEMENT INC. 132,071 9,697,000 0.56%
39 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 119,903 8,804,000 0.51%
40 ASCEND CAPITAL, LLC 114,853 8,433,000 0.49%
41 LONGFELLOW INVESTMENT MANAGEMENT CO LLC 105,000 7,709,000 0.44%
42 Mizuho Trust & Banking Co., Ltd. 104,200 7,650,000 0.44%
43 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 98,900 7,356,000 0.42%
44 UNITED SERVICES AUTOMOBILE ASSOCIATION 91,400 6,711,000 0.39%
45 COWEN INC. 85,440 6,273,000 0.36%
46 NATIXIS ADVISORS, LLC 83,680 6,144,000 0.35%
47 BlackRock Investment Management, LLC 77,818 5,713,000 0.33%
48 GREEN ARROW CAPITAL MANAGEMENT LLC 75,000 5,506,000 0.32%
49 Magnetar Financial LLC 72,106 5,294,000 0.30%
50 Paloma Partners Management Co 71,159 5,224,000 0.30%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.