The Vanguard Group Inc. 1,223,789 129,711 1.931 12/31

Renaissance Technologies LLC 490,600 5,600 0.774 12/31

Wharton Business Group LLC 363,513 0 0.574 12/31

Geode Capital Management LLC 175,983 0 0.278 12/31

BlackRock Fund Advisors 132,946 5,996 0.210 12/31

Pioneer Trust Bank NA 100,000 0 0.158 12/31

Northern Trust Investments In 95,158 0 0.150 12/31

Raymond James & Associates In 60,000 0 0.095 12/31

Citadel Advisors LLC 59,769 59,769 0.094 12/31

Staley Capital Advisers Inc. 49,000 (11,000) 0.077 12/31

IHT Wealth Management LLC 48,626 0 0.077 12/31

Bartlett & Co. LLC 40,714 0 0.064 12/31

The Bank of New York Mellon Co 39,348 (5,714) 0.062 12/31

Fayez Sarofim & Co. 28,572 0 0.045 12/31

Rathbone Investment Management 28,250 0 0.045 03/31

UBS Securities LLC 22,072 22,072 0.035 12/31

HighTower Advisors LLC 21,429 0 0.034 12/31

1832 Asset Management LP 18,900 0 0.030 12/31

Sequoia Financial Advisors LLC 17,583 0 0.028 12/31

Vanguard Fiduciary Trust Co. 17,500 0 0.028 12/31

Merrill Lynch Pierce Fenner 17,145 10,858 0.027 12/31

SSgA Funds Management Inc. 15,900 0 0.025 12/31

RNC Capital Management LLC 15,143 0 0.024 03/31

Morgan Stanley Smith Barney LL 14,859 10,573 0.023 12/31

Commonwealth Equity Services 14,641 (6,000) 0.023 12/31

G1 Execution Services LLC 14,613 (18,796) 0.023 12/31

Goldman Sachs & Co. LLC (Priva 12,855 (28) 0.020 12/31

Raymond James Financial Servic 11,985 858 0.019 03/31

A.R.T. Advisors LLC 10,487 10,487 0.017 12/31

Virtu Financial BD LLC 10,292 (23,371) 0.016 12/31

Quantitative Systematic Strate 10,000 0 0.016 12/31

BlackRock Investment Managemen 8,270 0 0.013 12/31

SEI Investments Management Cor 7,202 0 0.011 12/31

North Star Investment Manageme 6,000 0 0.009 03/31

West Financial Services Inc. 4,154 (2,260) 0.007 12/31

UBS Financial Services Inc. 3,558 (2,500) 0.006 12/31

Bank of America NA (Private B 3,529 0 0.006 12/31

Simplex Trading LLC 3,514 3,514 0.006 12/31

Tower Research Capital LLC 2,562 1,937 0.004 12/31

Wells Fargo Clearing Services 2,489 0 0.004 12/31

BNY Mellon Capital Markets LLC 1,900 1,900 0.003 12/31

IFP Advisors Inc. 1,835 0 0.003 12/31

Securities America Advisors I 1,501 0 0.002 12/31

RBC Capital Markets LLC (Inves 700 (2,250) 0.001 12/31

Wells Fargo Advisors Financial 500 500 0.001 12/31

US Bancorp Asset Management I 86 0 0.000 12/31

RBC Dominion Securities Inc. 7 7 0.000 12/31

Morgan Stanley & Co. LLC 6 6 0.000 12/31

Deutsche Asset Management Inve 4 4 0.000 12/31

The Dreyfus Corp. 1 1 0.000 12/31