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

• OppenheimerFunds owns 3.21M shares worth $136.55M
• SteelPath Fund Advisors owns 2.89M shares worth $146.93M
• ALPS Advisors owns 2.79M shares worth $117.28M
• Tortoise Capital Advisors owns 2.54M shares worth $107.76M
• Energy Income Partners owns 2.06M shares worth $87.32M
• Center Coast Capital Advisors owns 1.82M shares worth $97.28M
• KAYNE ANDERSON CAPITAL ADVISORS, L.P owns 1.80M shares worth $96.26M
• JPMORGAN CHASE & CO owns 1.56M shares worth $80.80M
• UBS AG owns 1.18M shares worth $63.08M
• Akre Capital Management owns 1.05M shares worth $56.01M
• ClearBridge Advisors owns 1.02M shares worth $54.16M
• First Trust Advisors owns 775305 shares worth $41.35M
• Cushing MLP Asset Management owns 757405 shares worth $38.54M
• Credit Suisse AG owns 643271 shares worth $34.28M
• New Mountain Vantage Advisers owns 605531 shares worth $32.30M
• GOLDMAN SACHS owns 569509 shares worth $30.38M
• First Eagle Investment Management owns 442400 shares worth $23.60M
• CITY NATIONAL BANK owns 392563 shares worth $20.94M
• ROCHDALE INVESTMENT MANAGEMENT owns 375182 shares worth $15.94M
• Bank of America Corporation owns 301768 shares worth $12.82M
• Inves owns 254306 shares worth $12.95M
• Linda Anderson owns 244853 shares worth $10.28M
• RR Advisors owns 239000 shares worth $5.78M
• Guggenheim Capital, LLC Managers owns 205765 shares worth $12.16M
• CalPERS owns 177095 shares worth $9.45M
• Wells Fargo & Company owns 160342 shares worth $8.64M
• Magnetar Financial owns 150000 shares worth $8.86M
• Tiedemann Trust Company owns 149145 shares worth $6.34M
• Brookfield Asset Management owns 143300 shares worth $7.64M
• Green Square Capital owns 139230 shares worth $7.41M
• Zimmer Lucas Capital owns 133260 shares worth $7.55M

• Royal Bank of Canada sold on Sept. 30, 2011
• Arrow Investment Advisors sold on June 30, 2011
• Miller/Howard Investments sold on June 30, 2011
• Fiduciary Asset Management sold on March 31, 2011
• Dividend Growth Advisors sold on March 31, 2011
• FMR sold on Dec. 31, 2010

• Williams Companies (WMB)
• Buckeye Partners (BPL)
• MarkWest Energy Partners (MWE)
• Linn Energy (LINE)
• Western Gas Partners (WES)
• Enbridge Energy Partners (EEP)
• Targa Resources Partners (NGLS)
• NuStar Energy (NS)
• Oneok Partners (OKS)
• Plains All American Pipeline (PAA)
• Regency Energy Partners (RGNC)
• Spectra Energy Partners (SEP)
• TC Pipelines (TCLP)
• Williams Partners (WPZ)
• Boardwalk Pipeline Partners (BWP)
• Copano Energy (CPNO)
• Energy Transfer Partners (ETP)
• Holly Energy Partners (HEP)
• Sunoco Logistics Partners (SXL)
• Magellan Midstream Partners (MMP)
• Kinder Morgan Energy Partners (KMP)