Is CPNO a good stock to own? Find out who bought Copano Energy, who sold Copano Energy (CPNO) stock, and who holds a large position in Copano Energy.

• Tortoise Capital Advisors owns 5.03M shares worth $159.17M
• RR Advisors owns 4.81M shares worth $151.97M
• ClearBridge Advisors owns 4.75M shares worth $192.57M
• ALPS Advisors owns 3.36M shares worth $105.04M
• KAYNE ANDERSON CAPITAL ADVISORS, L.P owns 2.96M shares worth $120.04M
• Credit Suisse AG owns 2.49M shares worth $100.89M
• UBS AG owns 2.27M shares worth $91.94M
• Fiduciary Asset Management owns 2.27M shares worth $77.50M
• JPMORGAN CHASE & CO owns 1.92M shares worth $52.15M
• Cushing MLP Asset Management owns 1.70M shares worth $60.62M
• Inves owns 1.14M shares worth $46.29M
• CHICKASAW CAPITAL MANAGEMENT owns 933321 shares worth $37.82M
• GOLDMAN SACHS owns 633095 shares worth $22.60M
• Jennison Associates owns 619428 shares worth $21.18M
• Renaissance Technologies owns 512300 shares worth $20.76M
• Harvest Fund Advisors owns 462509 shares worth $18.74M
• Bank of America Corporation owns 461099 shares worth $14.58M
• First Eagle Investment Management owns 408080 shares worth $11.34M
• SteelPath Fund Advisors owns 352024 shares worth $9.79M
• Selz Capital owns 300000 shares worth $12.16M
• PEAK6 Investments owns 298700 shares worth $12.10M
• Harvard Management Company owns 294593 shares worth $11.94M
• Third Security owns 276350 shares worth $11.20M
• WEISS MULTI-STRATEGY ADVISERS owns 244999 shares worth $8.75M
• Citi owns 235293 shares worth $8.05M
• C.V. Starr & Co., Inc. Trust owns 230000 shares worth $9.32M
• Barclays owns 220607 shares worth $8.94M

• Arrow Investment Advisors sold on June 30, 2011
• W. H. Reaves & Co sold on June 30, 2011
• CalPERS sold on March 31, 2011
• Taylor Investment Counselors sold on Dec. 31, 2010
• Norges Bank Investment Management sold on Sept. 30, 2009

• Devon Energy Corporation (DVN)
• Noble Energy (NBL)
• Halliburton Company (HAL)
• EOG Resources (EOG)
• MarkWest Energy Partners (MWE)
• Linn Energy (LINE)
• Pioneer Natural Resources (PXD)
• Western Gas Partners (WES)
• Enbridge Energy Partners (EEP)
• El Paso Pipeline Partners (EPB)
• EV Energy Partners (EVEP)
• Legacy Reserves (LGCY)
• Targa Resources Partners (NGLS)
• NuStar Energy (NS)
• Oneok Partners (OKS)
• Plains All American Pipeline (PAA)
• Williams Partners (WPZ)
• Copano Energy (CPNO)
• Sunoco Logistics Partners (SXL)
• Magellan Midstream Partners (MMP)
• PAA Natural Gas Storage (PNG)