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Institutional Holdings of TESORO CORPORATION (TSO) on 12/31/2011

1. Company Information

Company/StockTESORO CORPORATION (stock symbol: TSO)
Funds Ownership277 out of total 3028 funds (9%) own this stock
Funds own total 134,509,980 shares, 94.57% of all outstanding shares
Funds SOLD -149,226 shares (-0.11%) in the quarter ended on 12/31/2011

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

No.FundSharesPut/CallActivity(Shr)% Port.% Out. Shrs
1.)FMR LLC17,097,427Cut -3.74%0.08%12.02%
2.)VANGUARD GROUP INC9,313,570Added 3.12%0.03%6.55%
3.)WESTFIELD CAPITAL MANAGEMENT CO LLC7,876,533Cut -10.74%1.36%5.54%
4.)ARONSON & JOHNSON & ORTIZ LP7,356,000Added 20.67%0.91%5.17%
5.)STATE STREET CORP6,878,590Added 0.44%0.03%4.84%
6.)DONALD SMITH & CO INC4,255,954Added 12.27%2.38%2.99%
7.)BLACKROCK ADVISORS LLC3,784,686Cut -7.30%0.10%2.66%
8.)BLACKROCK INSTITUTIONAL TRUST COMPANY NA3,730,308Added 6.04%0.02%2.62%
9.)GOLDMAN SACHS GROUP INC3,613,787Added 1.44%0.04%2.54%
10.)AMERIPRISE FINANCIAL INC3,387,601Cut -20.40%0.06%2.38%
11.)DIMENSIONAL FUND ADVISORS INC3,252,863Added 9.07%0.10%2.29%
12.)BANK OF NEW YORK MELLON CORP3,112,436Added 43.98%0.03%2.19%
13.)WELLINGTON MANAGEMENT CO LLP2,669,920Cut -10.75%0.03%1.88%
14.)HARRIS FINANCIAL CORP2,660,373Added 66.45%0.11%1.87%
15.)LSV ASSET MANAGEMENT2,554,212Added 2.27%0.19%1.80%
16.)INVESCO LTD2,390,904Added 116.96%0.03%1.68%
17.)QS INVESTORS LLC2,068,000Cut -11.13%0.78%1.45%
18.)JANUS CAPITAL MANAGEMENT LLC1,942,800New0.05%1.37%
19.)ARROWSTREET CAPITAL LIMITED PARTNERSHIP1,738,315Added 333.80%0.35%1.22%
20.)BLACKROCK FUND ADVISORS1,717,889Added 2.12%0.02%1.21%



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

No.FundSharesPut/CallActivity(Shr)% Port.% Out. Shrs
1.)SEMAPHORE MANAGEMENT LLC727,360New6.98%0.51%
2.)AEGIS FINANCIAL CORP274,787Unchanged3.42%0.19%
3.)TOWLE & CO421,133Added 0.31%3.24%0.30%
4.)VEGASOUL CAPITAL MANAGEMENT (ASIA) LTD22,800New2.90%0.02%
5.)HAYS ADVISORY LLC698,027New2.66%0.49%
6.)HARVEY PARTNERS LLC290,000Added 0.42%2.59%0.20%
7.)DONALD SMITH & CO INC4,255,954Added 12.27%2.38%2.99%
8.)PRIVATE MANAGEMENT GROUP INC673,683Cut -0.71%1.42%0.47%
9.)WESTFIELD CAPITAL MANAGEMENT CO LLC7,876,533Cut -10.74%1.36%5.54%
10.)GREENWICH WEALTH MANAGEMENT LLC401Cut -3.14%1.23%0.00%
11.)MT LUCAS MANAGEMENT CORP181,534Cut -0.55%1.20%0.13%
12.)GEOSPHERE CAPITAL MANAGEMENT82,876New1.04%0.06%
13.)JAMES INVESTMENT RESEARCH INC507,110Added 5.40%0.94%0.36%
14.)ARONSON & JOHNSON & ORTIZ LP7,356,000Added 20.67%0.91%5.17%
15.)PALISADES INVESTMENT PARTNERS LLC107,500Cut -57.31%0.81%0.08%
16.)ASCEND CAPITAL LLC249,828New0.78%0.18%
17.)QS INVESTORS LLC2,068,000Cut -11.13%0.78%1.45%
18.)HENNESSY ADVISORS INC186,200New0.77%0.13%
19.)DREMAN VALUE MANAGEMENT L L C1,417,471Cut -0.53%0.75%1.00%
20.)GARGOYLE SERVICES LLC58,818New0.73%0.04%

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

No.FundSharesPut/Call% Port.% Out. Shrs
1.)JANUS CAPITAL MANAGEMENT LLC1,942,8000.05%1.37%
2.)SEMAPHORE MANAGEMENT LLC727,3606.98%0.51%
3.)HAYS ADVISORY LLC698,0272.66%0.49%
4.)FIRST QUADRANT L P CA411,9650.35%0.29%
5.)MADISON SQUARE INVESTORS LLC344,1210.09%0.24%
6.)LEUTHOLD WEEDEN CAPITAL MANAGEMENT LLC281,3930.32%0.20%
7.)SCOUT INVESTMENT ADVISORS INC277,7250.10%0.20%
8.)ASCEND CAPITAL LLC249,8280.78%0.18%
9.)TWO SIGMA INVESTMENTS LLC243,2270.07%0.17%
10.)SUNRISE PARTNERS LLC CT190,000PUT0.47%0.13%
11.)HENNESSY ADVISORS INC186,2000.77%0.13%
12.)CAPITAL FUND MANAGEMENT SA185,3940.08%0.13%
13.)SUNRISE PARTNERS LLC CT145,0000.36%0.10%
14.)SUNRISE PARTNERS LLC CT130,000CALL0.32%0.09%
15.)CAXTON ASSOCIATES LLC120,6800.09%0.08%
16.)SMITH GRAHAM & CO INVESTMENT ADVISORS LP84,0300.30%0.06%
17.)GEOSPHERE CAPITAL MANAGEMENT82,8761.04%0.06%
18.)COMMONWEALTH BANK OF AUSTRALIA74,6670.02%0.05%
19.)NEUBERGER BERMAN GROUP LLC70,0930.00%0.05%
20.)TWO SIGMA ADVISERS LLC66,5000.10%0.05%

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

No.FundSharesPut/Call% Port.% Out. Shrs
1.)JANUS CAPITAL MANAGEMENT LLC1,874,7000.05%1.32%
2.)APPALOOSA MANAGEMENT LP1,104,4241.39%0.78%
3.)AXA FINANCIAL INC1,039,8660.13%0.73%
4.)GOODMAN & COMPANY INVESTMENT COUNSEL LTD839,0000.09%0.59%
5.)HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC702,2870.10%0.49%
6.)TRADEWINDS GLOBAL INVESTORS LLC646,5920.06%0.45%
7.)MADISON SQUARE INVESTORS LLC593,1670.13%0.42%
8.)CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM516,1930.03%0.36%
9.)TIMBER HILL LLC268,300PUT0.01%0.19%
10.)TIMBER HILL LLC215,500CALL0.01%0.15%
11.)CI INVESTMENTS INC170,5000.04%0.12%
12.)GOLDEN CAPITAL MANAGEMENT LLC157,2000.18%0.11%
13.)BNP PARIBAS ARBITRAGE SNC130,8900.01%0.09%
14.)BNP PARIBAS ARBITRAGE SA130,8900.01%0.09%
15.)QUOTIENT INVESTORS LLC92,4000.82%0.06%
16.)INDICES PAC RESEARCH CORP52,7610.83%0.04%
17.)TEN ASSET MANAGEMENT34,6000.69%0.02%
18.)ONTARIO TEACHERS PENSION PLAN BOARD23,0950.00%0.02%
19.)DYNAMIC CAPITAL MANAGEMENT LTD22,9000.09%0.02%
20.)SPOT TRADING LLC21,100PUT0.01%0.01%