Mason Street Advisors’s Ribbon Communications RBBN Stock Holding History

Mason Street Advisors’s Portfolio RBBN Stock Details RBBN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2015 Q1	–	Sell	-101,660	Closed	-$2.02M	–	1689
2014 Q4	$2.02M	Hold	101,660	–	–	0.01%	951
2014 Q3	$1.74M	Hold	101,660	–	–	0.01%	1000
2014 Q2	$1.81M	Hold	101,660	–	–	0.01%	1003
2014 Q1	$1.71M	Hold	101,660	–	–	0.01%	1011
2013 Q4	$1.6M	Buy	+101,660	New	+$1.57M	0.01%	1033

Other funds holding RBBN

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

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

BIT

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

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

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

BFA

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

First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

Luther King Capital Management (LKCM) Fort Worth, Texas $23.1B AUM 21.31% 1-Year Est. Return

Walthausen & Co Malta, New York $120M AUM 2.66% 1-Year Est. Return

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

Mason Street Advisors's RBBN Position: Q1 2015 in Review

Mason Street Advisors sold out of Ribbon Communications (RBBN) in Q1 2015, closing a stake of 101,660 shares — an estimated $2.02M sold.

Mason Street Advisors first reported a position in RBBN in Q4 2013 and held it in 5 quarters. The position peaked at $2.02M in Q4 2014. 124 funds tracked by Wall St. Rank hold RBBN as of Q1 2015.

Mason Street Advisors reported no remaining Ribbon Communications position as of Q1 2015 after selling out during the quarter.
Mason Street Advisors sold 101,660 Ribbon Communications shares in Q1 2015, an estimated $2.02M.
Mason Street Advisors first reported a position in Ribbon Communications in Q4 2013 and held it in 5 quarters.
Mason Street Advisors's Ribbon Communications position peaked at $2.02M in Q4 2014.
124 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2015.

Based on Mason Street Advisors's 13F filing for Q1 2015, filed 15 May 2015.