Hedge Fund Tudor Investment Corp ran by Paul Tudor Jones has just filed eight separate amended 13G filings with the SEC due to activity on December 31, 2008. The firm previously held positions in all of these names and has simply adjusted its positions.The updates, in no particular order, are listed below:

1. The firm now shows a 0.04% ownership stake in Terrestar ((TSTR)) with 42,798 shares.
2. It now shows a 1.9% ownership stake in BigString ((BSGC.OB)) with 995,712 shares.
3. It now shows a 0.6% ownership stake in Fibertower (FTWR) with 876,958 shares.
4. It now shows a 1.2% stake in International Fight League (IFLI) with 955,886 shares.
5. It now shows a 9.7% ownership stake in Progenics Pharmaceuticals (PGNX) with 2,888,513 shares.
6. It now shows a 1% stake in ULURU (ULUR.OB) with 628,873 shares.
7. It now shows a 12.6% stake in Enherent Corp ((ENHT.OB)) with 6,593,336 shares.
8. It now shows a 1% stake in KIT Digital (KDGL.OB) with 1,182,527 shares.

In late January, Tudor also filed numerous 13Ds on some other positions. If you're unfamiliar with Tudor, you can read his bio from Wikipedia, here.

Room to Run by Lauren R. Rublin

Summary: Barron's 2007 mid-year roundtable survey of influential fund managers. Their picks: