William Blair Investment Management’s Prosperity Bancshares PB Stock Holding History

William Blair Investment Management’s Portfolio PB Stock Details PB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2017 Q4	–	Sell	-357,743	Closed	-$23.5M	–	449
2017 Q3	$23.5M	Sell	357,743 -706	-0.2%	-$44.2K	0.08%	220
2017 Q2	$23M	Sell	358,449 -2,236	-0.6%	-$147K	0.08%	214
2017 Q1	$25.1M	Sell	360,685 -1,464	-0.4%	-$106K	0.1%	197
2016 Q4	$26M	Sell	362,149 -2,044	-0.6%	-$128K	0.1%	196
2016 Q3	$20M	Sell	364,193 -7,041	-2%	-$373K	0.08%	222
2016 Q2	$18.9M	Sell	371,234 -7,295	-2%	-$367K	0.07%	225
2016 Q1	$17.6M	Buy	378,529 +72,415	+24%	+$3.06M	0.07%	227
2015 Q4	$14.7M	Buy	+306,114	New	+$15.7M	0.06%	243

Other funds holding PB

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

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

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

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

CIP

Champlain Investment Partners Burlington, Vermont $7.88B AUM 6.82% 1-Year Est. Return

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

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

FPP

Findlay Park Partners London, United Kingdom $7.17B AUM 17.27% 1-Year Est. Return

William Blair Investment Management's PB Position: Q4 2017 in Review

William Blair Investment Management sold out of Prosperity Bancshares (PB) in Q4 2017, closing a stake of 357,743 shares — an estimated $23.5M sold.

William Blair Investment Management first reported a position in PB in Q4 2015 and held it in 8 quarters. The position peaked at $26M in Q4 2016. 246 funds tracked by Wall St. Rank hold PB as of Q4 2017.

William Blair Investment Management reported no remaining Prosperity Bancshares position as of Q4 2017 after selling out during the quarter.
William Blair Investment Management sold 357,743 Prosperity Bancshares shares in Q4 2017, an estimated $23.5M.
William Blair Investment Management first reported a position in Prosperity Bancshares in Q4 2015 and held it in 8 quarters.
William Blair Investment Management's Prosperity Bancshares position peaked at $26M in Q4 2016.
246 funds tracked by Wall St. Rank held Prosperity Bancshares as of Q4 2017.

Based on William Blair Investment Management's 13F filing for Q4 2017, filed 14 Feb 2018.