On the second day of Spring, a Chicago multi-millionaire gave a $4 million contribution to a Democratic Super PAC hoping to keep the U.S. Senate in the hands of Democrats.

The Senate Majority PAC reported it had receipts of $11,074,108 and disbursements of $5,749,330 during the first quarter, leaving $8,530,805 cash on hand as of March 31st.

The major donor was Fred Eychaner, chairman of Newsweb Corporation (IL), who gave $4 million on March 21st. In the 2011-2012 cycle, Eychaner gave $14,050,000 to Democratic super PACs.

James Simon, president of Euclidean Capital LLC (NY) gave $2 million. In the 2011-2012 cycle, Simon gave $9,575,000 to Democratic super PACs.

The other major donors were the Working for Working Americans $1 million; the United Association gave $500,000; the Campion Advocacy Fund gave $400,000; the UAW Education Fund $250,000; the American Federation of teachers $250,000; the American Federation of State, County and Municipal Employees $500,000; the Engineers Political Education Committee $200,000; the American Association for Justice $200,000.

Other donors included James Atwood, managing partner of the Carlyle Group (NY) $250,000; Sen. John D. Rockefeller IV, D-W.Va., (DC) $250,000; and Jon Stryker, president of Depot Landmark LLC (MI) $250,000; among others.

The Super PAC sent $475,000 to Put Alaska First PAC. The committee paid $390,211 to Waterfront Strategies for media buys.