Dark
Light
System
Security
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
51 AMERICAN CENTURY COMPANIES INC 59,292 4,353,000 0.25%
52 GABELLI FUNDS LLC 58,000 4,258,000 0.24%
53 Invesco Ltd. 56,114 4,119,000 0.24%
54 BANK OF AMERICA CORP /DE/ 50,921 3,739,000 0.22%
55 TEACHERS ADVISORS, LLC 49,748 3,652,000 0.21%
56 EAGLE BOSTON INVESTMENT MANAGEMENT INC 49,200 3,612,000 0.21%
57 ALLIANCEBERNSTEIN L.P. 48,837 3,586,000 0.21%
58 BRIDGEWAY CAPITAL MANAGEMENT, LLC 46,700 3,429,000 0.20%
59 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 46,200 3,392,000 0.20%
60 RHUMBLINE ADVISERS 44,131 3,240,000 0.19%
61 SG Americas Securities, LLC 39,875 2,928,000 0.17%
62 Lombard Odier Asset Management (USA) Corp 39,114 2,872,000 0.17%
63 BlackRock Group LTD 38,402 2,819,000 0.16%
64 BARCLAYS PLC 33,568 2,450,000 0.14%
65 COMERICA BANK 33,112 2,432,000 0.14%
66 TWO SIGMA INVESTMENTS, LP 32,393 2,378,000 0.14%
67 Cambria Investment Management, L.P. 31,549 2,316,000 0.13%
68 Kassirer Asset Management Corp 30,000 2,203,000 0.13%
69 COBALT CAPITAL MANAGEMENT, INC. 30,000 2,203,000 0.13%
70 LOS ANGELES CAPITAL MANAGEMENT LLC 28,954 2,126,000 0.12%
71 Swiss National Bank 28,600 2,100,000 0.12%
72 WOLVERINE ASSET MANAGEMENT LLC 28,099 2,063,000 0.12%
73 CITIGROUP INC 27,712 2,034,000 0.12%
74 ROYCE & ASSOCIATES LP 27,006 1,983,000 0.11%
75 Nationwide Fund Advisors 26,716 1,961,000 0.11%
76 HAVENS ADVISORS LLC 25,500 1,872,000 0.11%
77 PRICE T ROWE ASSOCIATES INC /MD/ 24,600 1,806,000 0.10%
78 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 24,007 1,763,000 0.10%
79 SUSQUEHANNA INTERNATIONAL GROUP, LLP 22,313 1,638,000 0.09%
80 PARAMETRIC PORTFOLIO ASSOCIATES LLC 22,126 1,624,000 0.09%
81 Atria Investments, Inc 21,616 1,587,000 0.09%
82 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 20,110 1,476,000 0.08%
83 S. MUOIO & CO. LLC 20,000 1,469,000 0.08%
84 Weiss Multi-Strategy Advisers LLC 20,000 1,468,000 0.08%
85 PRELUDE CAPITAL MANAGEMENT, LLC 19,300 1,417,000 0.08%
86 ANALYTIC INVESTORS, LLC 19,267 1,415,000 0.08%
87 Trexquant Investment LP 17,300 1,270,000 0.07%
88 SHELL ASSET MANAGEMENT CO 16,240 1,192,000 0.07%
89 AMERICAN INTERNATIONAL GROUP, INC. 15,611 1,146,160 0.07%
90 MANUFACTURERS LIFE INSURANCE COMPANY, THE 15,493 1,137,000 0.07%
91 Yakira Capital Management, Inc. 15,312 1,124,000 0.06% SH
92 GOLDMAN SACHS GROUP INC 15,195 1,115,000 0.06%
93 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 13,699 1,006,000 0.06%
94 BLACKROCK ADVISORS LLC 13,357 981,000 0.06%
95 VOYA INVESTMENT MANAGEMENT LLC 12,868 945,000 0.05%
96 Legal & General Group Plc 11,832 870,000 0.05%
97 A.R.T. Advisors, LLC 11,491 843,000 0.05%
98 CRAWFORD INVESTMENT COUNSEL INC 10,840 796,000 0.05%
99 ProShare Advisors LLC 9,747 716,000 0.04%
100 Virtu KCG Holdings LLC 9,725 714,000 0.04%
Page 2 of 3

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.