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Institutional Holdings of US NAT GAS FD ETF (UNG) on 12/31/2009

1. Company Information

Company/StockUS NAT GAS FD ETF (stock symbol: UNG)
Funds Ownership176 out of total 2720 funds (6%) own this stock
Funds own total 150,494,930 shares, --% of all outstanding shares
Funds BOUGHT 38,455,563 more shares (+34.32%) in the quarter ended on 12/31/2009

2. Top 20 Funds Held UNG in this Quarter (By Shares)

No.FundSharesPut/CallActivity(Shr)% Port.% Out. Shrs
1.)GOLDMAN SACHS GROUP INC16,508,100PUTAdded 17.58%0.08%--%
2.)DEUTSCHE BANK AG 13,434,062Added 585.38%0.14%--%
3.)D E SHAW & CO INC10,500,500New0.29%--%
4.)JANE STREET HOLDING LLC9,103,272Added 482.29%1.24%--%
5.)WEISS ASSET MANAGEMENT LLC8,597,448New37.86%--%
6.)MORGAN STANLEY6,559,404Cut -9.05%0.03%--%
7.)SUSQUEHANNA INTERNATIONAL GROUP LLP5,784,353Added 140.29%0.13%--%
8.)IONIC CAPITAL MANAGEMENT LLC5,071,100PUTAdded 677.18%2.35%--%
9.)GOLDMAN SACHS GROUP INC4,941,128Cut -26.97%0.02%--%
10.)CITIGROUP INC4,676,300PUTCut -33.61%0.03%--%
11.)WEISS CAPITAL LLC4,629,393New37.94%--%
12.)BARCLAYS PLC4,298,000CALLAdded 25.69%0.07%--%
13.)BARCLAYS PLC3,619,200PUTAdded 5.06%0.06%--%
14.)CITIGROUP INC3,268,124Added 56.55%0.02%--%
15.)INTERLACHEN CAPITAL GROUP LP3,100,000PUTUnchanged2.11%--%
16.)IONIC CAPITAL MANAGEMENT LLC3,014,200CALLNew1.40%--%
17.)WALLEYE TRADING LLC2,779,900CALLCut -2.04%0.23%--%
18.)WALLEYE TRADING LLC2,522,400PUTAdded 21.89%0.21%--%
19.)UBS AG2,203,321Added 7.86%0.03%--%
20.)HBK INVESTMENTS L P2,000,000PUTCut -33.33%1.35%--%

3. Top 20 Funds Held UNG in this Quarter (By % of Fund Reported Portfolio)

No.FundSharesPut/CallActivity(Shr)% Port.% Out. Shrs
1.)WEISS CAPITAL LLC4,629,393New37.94%--%
2.)WEISS ASSET MANAGEMENT LLC8,597,448New37.86%--%
3.)PLATINUM MANAGEMENT (NY) LLC1,115,567Added 7.06%6.35%--%
4.)HUDSON BAY CAPITAL MANAGEMENT LP1,537,047Cut -32.54%4.52%--%
5.)TAHITHROMOS LLC758,967Cut -13.88%3.98%--%
6.)KELLOGG GROUP LLC707,064Added 197.91%2.69%--%
7.)IONIC CAPITAL MANAGEMENT LLC5,071,100PUTAdded 677.18%2.35%--%
8.)VSR FINANCIAL SERVICES INC324,253Added 7.73%2.30%--%
9.)INTERLACHEN CAPITAL GROUP LP3,100,000PUTUnchanged2.11%--%
10.)IONIC CAPITAL MANAGEMENT LLC3,014,200CALLNew1.40%--%
11.)GFS ADVISORS LLC157,200Added 533.87%1.38%--%
12.)HBK INVESTMENTS L P2,000,000PUTCut -33.33%1.35%--%
13.)FIRST NEW YORK SECURITIES LLC NY545,400Added 1,718.00%1.31%--%
14.)JANE STREET HOLDING LLC9,103,272Added 482.29%1.24%--%
15.)CABOT WELLINGTON LLC211,810Cut -19.57%1.01%--%
16.)S&E PARTNERS LP750,000CALLAdded 50.00%0.98%--%
17.)MCGLINN CAPITAL MANAGEMENT INC125,000Added 2,400.00%0.90%--%
18.)ST GERMAIN D J CO INC477,725Cut -2.76%0.89%--%
19.)SAGE ASSET MANAGEMENT130,000PUTNew0.71%--%
20.)TELLURIDE ASSET MANAGEMENT LLC56,000Cut -58.97%0.70%--%

4. Top 20 Funds BOUGHT NEW UNG in this Quarter (By Shares)

No.FundSharesPut/Call% Port.% Out. Shrs
1.)D E SHAW & CO INC10,500,5000.29%--%
2.)WEISS ASSET MANAGEMENT LLC8,597,44837.86%--%
3.)WEISS CAPITAL LLC4,629,39337.94%--%
4.)IONIC CAPITAL MANAGEMENT LLC3,014,200CALL1.40%--%
5.)WOLVERINE ASSET MANAGEMENT LLC1,592,8580.55%--%
6.)LABRANCHE & CO INC562,8260.20%--%
7.)JESAGA ADVISERS LLC547,200PUT0.05%--%
8.)VICIS CAPITAL LLC433,8300.22%--%
9.)ALPHABET MANAGEMENT LLC386,6490.33%--%
10.)STIFEL NICOLAUS & CO INC MO 381,6300.24%--%
11.)SG AMERICAS SECURITIES LLC260,3960.02%--%
12.)ING GROEP NV236,7320.01%--%
13.)ROYAL BANK OF CANADA 233,100CALL0.00%--%
14.)FIRST ALLIED SECURITIES INC138,1870.33%--%
15.)SAGE ASSET MANAGEMENT130,000PUT0.71%--%
16.)CTC LLC94,0290.06%--%
17.)QA3 FINANCIAL LLC93,2800.65%--%
18.)BAY HILL CAPITAL MANAGEMENT LLC90,000PUT0.01%--%
19.)BLAIR WILLIAM & CO IL79,6700.00%--%
20.)FIRST FINANCIAL BANK NA TRUST DIVISION78,8440.22%--%

5. Top 20 Funds SOLD OUT UNG in this Quarter (By Shares)

No.FundSharesPut/Call% Port.% Out. Shrs
1.)MERRILL LYNCH & CO INC2,463,2420.04%--%
2.)LEVEL GLOBAL INVESTORS LP2,000,000CALL0.00%--%
3.)SG AMERICAS SECURITIES LLC1,336,200CALL0.01%--%
4.)BESSEMER GROUP INC800,0000.10%--%
5.)HORSEMAN CAPITAL MANAGEMENT LTD750,0002.83%--%
6.)TIMESCAPE GLOBAL CAPITAL MANAGEMENT LLC710,0006.32%--%
7.)TD OPTIONS LLC IL 583,9000.04%--%
8.)HBK INVESTMENTS L P550,000CALL0.21%--%
9.)TD OPTIONS LLC IL 505,8000.04%--%
10.)MOORE CAPITAL MANAGEMENT LLC500,000PUT0.20%--%
11.)NORTH AMERICAN MANAGEMENT CORP462,4531.45%--%
12.)TAHITHROMOS LLC434,000CALL0.03%--%
13.)HERNDON PLANT OAKLEY LTD412,6001.79%--%
14.)KNIGHT CAPITAL GROUP INC401,900PUT1.21%--%
15.)PEAK6 INVESTMENTS LP390,700PUT0.03%--%
16.)1798 GLOBAL PARTNERS (CAYMAN ISLANDS) LTD360,000CALL0.79%--%
17.)BAM MANAGEMENT LLC343,500CALL0.00%--%
18.)MOORE CAPITAL MANAGEMENT LLC310,0000.12%--%
19.)WEISS MULTI STRATEGY ADVISERS LLC300,000CALL0.12%--%
20.)PEAK6 INVESTMENTS LP293,8570.02%--%