Repligen Corp. (RGEN) Stock Holdings & Institutional Ownership

Repligen Corp.

RGEN

Super Fund	Position	Shares	Curr. Value	Port. %	Activity
Maverick Capital	Equity	1,518,805	$178,945,605	2.06%	+100%
Primecap Management	Equity	235,068	$27,695,712	0.02%	+25.93%
Weitz Investment Management	Equity	25,500	$3,004,410	0.21%	+100%

Total Shares Held: 1,779,373

Total Value Reported: $209,645,727

Average Allocation per Portfolio 0.77%

Largest Single Portfolio Allocation: 2.06%

Largest Shareholder: Maverick Capital

Change in Total Shares Held (Q on Q): +1,592,705

Percentage Change in Shares Held (Q on Q): 853.23%

Number of Current Holders: 3

Number of New Holders (Q on Q): 2

Number of Funds with Additions (Q on Q): 3

Number of Funds with Reductions (Q on Q): 0

Number of Funds Fully Divested (Q on Q): 0

Number of Funds with No Change (Q on Q): 0