Austin W. Marxe & David M. Greenhouse’s Repligen RGEN Stock Holding History

Austin W. Marxe & David M. Greenhouse’s Portfolio RGEN Stock Details RGEN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2014 Q3	$7.96M	Sell	400,000 -51,000	-11%	-$1.07M	1.09%	29
2014 Q2	$10.3M	Hold	451,000	–	–	1.3%	23
2014 Q1	$5.8M	Sell	451,000 -124,664	-22%	-$1.79M	0.64%	52
2013 Q4	$7.85M	Sell	575,664 -40,000	-6%	-$478K	0.84%	37
2013 Q3	$6.83M	Hold	615,664	–	–	0.84%	44
2013 Q2	$5.07M	Buy	+615,664	New	+$5.17M	0.68%	52

Other funds holding RGEN

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BFA

BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

CCA

Conestoga Capital Advisors Wayne, Pennsylvania $4.6B AUM 16.08% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

BIT

BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Austin W. Marxe & David M. Greenhouse's RGEN Position: Q3 2014 in Review

Austin W. Marxe & David M. Greenhouse reduced its Repligen (RGEN) stake by 11% in Q3 2014, selling an estimated $1.07M and leaving 400,000 shares worth $7.96M. The position accounts for 1.09% of the portfolio, ranked #29.

Austin W. Marxe & David M. Greenhouse first reported a position in RGEN in Q2 2013 and has held it in 6 quarters since. The position peaked at $10.3M in Q2 2014. 164 funds tracked by Wall St. Rank hold RGEN as of Q3 2014.

Austin W. Marxe & David M. Greenhouse held 400,000 shares of Repligen worth $7.96M as of Q3 2014.
Austin W. Marxe & David M. Greenhouse sold 51,000 Repligen shares in Q3 2014, an estimated $1.07M.
Repligen made up 1.09% of Austin W. Marxe & David M. Greenhouse's portfolio in Q3 2014, its #29 holding.
Austin W. Marxe & David M. Greenhouse first reported a position in Repligen in Q2 2013 and has held it in 6 quarters since.
Austin W. Marxe & David M. Greenhouse's Repligen position peaked at $10.3M in Q2 2014.
164 funds tracked by Wall St. Rank held Repligen as of Q3 2014.

Based on Austin W. Marxe & David M. Greenhouse's 13F filing for Q3 2014, filed 14 Nov 2014.