Barry Rosenstein's Jana Partners placed two new bets on defense and aerospace stocks in the second quarter, according to a 13F filing with the U.S. Securities and Exchange Commission . Among Jana's other notable moves in the second quarter were buying a new position in Leidos Holdings worth $29 million. Jana lowered its holding in LabCorp nearly 40%, or $55 million, bringing it to roughly $97 million by the quarter's end. The fund entirely exited a $4 million position in geospatial intelligence stock BlackSky Technology . Jana managed about $1.3 billion in 13F securities at the end of the second quarter, according to WhaleWisdom.com .

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Persons: Barry Rosenstein's Jana Partners, Jana Organizations: U.S . Securities, Exchange Commission, Mercury Systems, Leidos Holdings, U.S ., U.S . Department of Defense, U.S . Department of Homeland Security, Fidelity National Information Services, Technology Locations: LabCorp