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Institutional Holdings of WHITING PETROLEUM CORP (WLL) on 12/31/2011

1. Company Information

Company/StockWHITING PETROLEUM CORP (stock symbol: WLL)
Funds Ownership317 out of total 3028 funds (10%) own this stock
Funds own total 101,275,826 shares, 86.29% of all outstanding shares
Funds SOLD -5,688,348 shares (-5.32%) in the quarter ended on 12/31/2011

2. Top 20 Funds Held WLL in this Quarter (By Shares) Add to Yahoo Finance Message Board

No.FundSharesPut/CallActivity(Shr)% Port.% Out. Shrs
1.)WELLINGTON MANAGEMENT CO LLP10,496,109Cut -10.02%0.19%8.94%
2.)BLACKROCK ADVISORS LLC5,831,510Added 14.32%0.30%4.97%
3.)VANGUARD GROUP INC5,147,859Added 0.88%0.04%4.39%
4.)FMR LLC4,063,233Cut -48.78%0.04%3.46%
5.)VAN ECK ASSOCIATES CORP3,617,880Cut -7.34%0.82%3.08%
6.)GOLDMAN SACHS GROUP INC3,477,196Cut -12.54%0.08%2.96%
7.)FRANKLIN RESOURCES INC3,181,957Added 13.51%0.11%2.71%
8.)NEUBERGER BERMAN GROUP LLC2,824,658Cut -7.54%0.19%2.41%
9.)BLACKROCK INSTITUTIONAL TRUST COMPANY NA2,815,955Cut -22.23%0.03%2.40%
10.)INVESCO LTD2,722,845Added 28.07%0.07%2.32%
11.)TIMESSQUARE CAPITAL MANAGEMENT LLC2,585,305Added 16.93%0.94%2.20%
12.)JENNISON ASSOCIATES LLC2,337,046Added 14.39%0.15%1.99%
13.)PERKINS INVESTMENT MANAGEMENT LLC2,314,465Added 13.33%0.68%1.97%
14.)JANUS CAPITAL MANAGEMENT LLC2,201,524New0.12%1.88%
15.)STATE STREET CORP2,170,881Added 6.66%0.02%1.85%
16.)SUSQUEHANNA INTERNATIONAL GROUP LLP1,890,900CALLAdded 6.48%0.03%1.61%
17.)AMERIPRISE FINANCIAL INC1,597,484Added 10.75%0.06%1.36%
18.)ZEVENBERGEN CAPITAL INVESTMENTS LLC1,384,800Added 4.30%2.71%1.18%
19.)BANK OF NEW YORK MELLON CORP1,128,921Added 38.52%0.02%0.96%
20.)SUSQUEHANNA INTERNATIONAL GROUP LLP1,094,500PUTAdded 9.19%0.02%0.93%



3. Top 20 Funds Held WLL in this Quarter (By % of Portfolio) Add to Yahoo Finance Message Board

No.FundSharesPut/CallActivity(Shr)% Port.% Out. Shrs
1.)PECONIC PARTNERS LLC653,500Added 339.77%7.16%0.56%
2.)SECTOR OMEGA ASA20,400Cut -3.77%7.00%0.02%
3.)BIJOU CAPITAL MANAGEMENT LP4,700New4.49%0.00%
4.)HELIOS ADVISORS LLC40,000Added 14.29%3.26%0.03%
5.)ASTENBECK CAPITAL MANAGEMENT LLC342,557Cut -16.50%2.98%0.29%
6.)ZEVENBERGEN CAPITAL INVESTMENTS LLC1,384,800Added 4.30%2.71%1.18%
7.)BEDDOW CAPITAL MANAGEMENT INC146,925Cut -1.95%2.57%0.13%
8.)HARVEY CAPITAL MANAGEMENT INC68,600Cut -20.30%2.49%0.06%
9.)COBALT CAPITAL MANAGEMENT INC675,000Added 237.50%2.34%0.58%
10.)PHILADELPHIA TRUST CO523,501Cut -19.76%2.19%0.45%
11.)SOUTH STREET ADVISORS LLC75,570Added 2.52%2.18%0.06%
12.)COPIA CAPITAL LLC96,359New2.15%0.08%
13.)PUTNAM FL INVESTMENT MANAGEMENT CO227,850Cut -0.03%1.92%0.19%
14.)NETOLS ASSET MANAGEMENT INC273,331Added 15.21%1.80%0.23%
15.)LUCAS CAPITAL MANAGEMENT99,080Cut -47.60%1.70%0.08%
16.)EIDELMAN VIRANT CAPITAL45,400Cut -31.26%1.66%0.04%
17.)BROADVIEW ADVISORS LLC175,765Added 287.15%1.61%0.15%
18.)VOLLERO BEACH CAPITAL PARTNERS LLC118,393New1.55%0.10%
19.)CENTURY CAPITAL MANAGEMENT LLC785,761Added 315.64%1.52%0.67%
20.)AURORA INVESTMENT COUNSEL32,918Cut -6.10%1.51%0.03%

4. Top 20 Funds BOUGHT NEW WLL in this Quarter (By Shares) Add to Yahoo Finance Message Board

No.FundSharesPut/Call% Port.% Out. Shrs
1.)JANUS CAPITAL MANAGEMENT LLC2,201,5240.12%1.88%
2.)FRIESS ASSOCIATES LLC874,7000.99%0.75%
3.)TCW GROUP INC404,9180.09%0.34%
4.)KNOTT DAVID M240,0001.31%0.20%
5.)ALPHABET MANAGEMENT LLC200,000CALL0.00%0.17%
6.)EUCLID ADVISORS LLC172,0000.20%0.15%
7.)MOORE CAPITAL MANAGEMENT LLC150,0000.25%0.13%
8.)VOLLERO BEACH CAPITAL PARTNERS LLC118,3931.55%0.10%
9.)CASTLEARK MANAGEMENT LLC99,0000.19%0.08%
10.)COPIA CAPITAL LLC96,3592.15%0.08%
11.)ALLIANZ GLOBAL INVESTORS OF AMERICA L P95,8500.01%0.08%
12.)SG AMERICAS SECURITIES LLC89,700CALL0.00%0.08%
13.)PHOENIX ZWEIG ADVISERS LLC85,0000.80%0.07%
14.)GLYNN JA & CO77,9661.27%0.07%
15.)RICE HALL JAMES & ASSOCIATES LLC72,3630.36%0.06%
16.)WEXFORD CAPITAL LLC60,0000.33%0.05%
17.)ZURCHER KANTONALBANK (ZURICH CANTONALBANK)53,4600.12%0.05%
18.)PARALLAX VOLATILITY ADVISERS LLC50,400CALL0.02%0.04%
19.)MADISON SQUARE INVESTORS LLC49,2390.03%0.04%
20.)CAXTON ASSOCIATES LLC48,8130.07%0.04%

5. Top 20 Funds SOLD OUT WLL in this Quarter (By Shares) Add to Yahoo Finance Message Board

No.FundSharesPut/Call% Port.% Out. Shrs
1.)JANUS CAPITAL MANAGEMENT LLC1,565,0600.07%1.33%
2.)MAVERICK CAPITAL LTD1,338,3240.66%1.14%
3.)RENAISSANCE TECHNOLOGIES LLC571,7000.09%0.49%
4.)THRIVENT FINANCIAL FOR LUTHERANS461,9740.15%0.39%
5.)CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM314,4290.03%0.27%
6.)EAGLE ASSET MANAGEMENT INC238,7470.09%0.20%
7.)BLACKTHORN INVESTMENT GROUP LLC233,7812.41%0.20%
8.)ARDSLEY ADVISORY PARTNERS225,0002.03%0.19%
9.)TIMBER HILL LLC185,100CALL0.02%0.16%
10.)TIMBER HILL LLC173,200PUT0.02%0.15%
11.)ROXBURY CAPITAL MANAGEMENT168,3511.06%0.14%
12.)CITIGROUP INC168,000PUT0.01%0.14%
13.)GMT CAPITAL CORP151,6000.16%0.13%
14.)WALTHAUSEN & CO LLC144,4801.09%0.12%
15.)SOUND ENERGY PARTNERS INC135,0000.57%0.12%
16.)CAYMUS CAPITAL PARTNERS LP131,5453.00%0.11%
17.)OCCIDENTAL PETROLEUM CORP DE 111,0542.82%0.09%
18.)NUVEEN ASSET MANAGEMENT LLC96,8270.03%0.08%
19.)FIERA SCEPTRE INC87,6000.06%0.07%
20.)JEFFERIES GROUP INC DE 77,0680.03%0.07%