MGNX - Israel Englander and his Millennium fund disclose 5.2% passive stake in MacroGenics

• Famed hedge fund manager Israel "Izzy" Englander and his Millennium Management fund revealed a 5.2% stake in MacroGenics ( NASDAQ: MGNX ), sending shares of the small-cap biopharmaceutical company up 6.4% after hours on Friday.
• The passive stake was disclosed in a 13G filing with the U.S. SEC on Friday .
• According to the filing, Englander, Millennium Management LLC and Millennium Group Management LLC picked up a 5.2% passive stake each.
• Rockville, Md.-based MGNX develops cancer medications. It has several products in various stages of clinical development, and has partnered with companies such as China's Zai Lab ( ZLAB ) and U.S. based ImmunoGen ( IMGN ).
• Englander founded Millennium in 1989 with $35M, according to Forbes , which pegs his real time net worth at $11.3B. The fund now manages nearly $53B in assets.

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