William Blair & Company’s Boingo Wireless, Inc. WIFI Stock Holding History

William Blair & Company’s Portfolio WIFI Stock Details WIFI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q1	–	Sell	-30,445	Closed	-$387K	–	1924
2020 Q4	$387K	Sell	30,445 -16,285	-35%	-$192K	﹤0.01%	1165
2020 Q3	$476K	Sell	46,730 -13,170	-22%	-$171K	﹤0.01%	985
2020 Q2	$798K	Sell	59,900 -2,160	-3%	-$28.2K	﹤0.01%	788
2020 Q1	$658K	Sell	62,060 -24,035	-28%	-$279K	﹤0.01%	793
2019 Q4	$943K	Sell	86,095 -56,170	-39%	-$610K	﹤0.01%	795
2019 Q3	$1.58M	Buy	142,265 +44,485	+45%	+$626K	0.01%	638
2019 Q2	$1.76M	Buy	97,780 +5,945	+6%	+$127K	0.01%	615
2019 Q1	$2.14M	Buy	91,835 +35,460	+63%	+$807K	0.01%	543
2018 Q4	$1.16M	Buy	56,375 +5,900	+12%	+$157K	0.01%	655
2018 Q3	$1.76M	Sell	50,475 -8,250	-14%	-$240K	0.01%	584
2018 Q2	$1.33M	Buy	58,725 +200	+0.3%	+$4.58K	0.01%	643
2018 Q1	$1.45M	Buy	58,525 +300	+0.5%	+$7.39K	0.01%	617
2017 Q4	$1.31M	Sell	58,225 -600	-1%	-$13.7K	0.01%	670
2017 Q3	$1.26M	Sell	58,825 -14,825	-20%	-$272K	0.01%	668
2017 Q2	$1.1M	Sell	73,650 -18,725	-20%	-$283K	0.01%	721
2017 Q1	$1.01M	Buy	92,375 +1,000	+1%	+$11.9K	0.01%	708
2016 Q4	$1.11M	Sell	91,375 -50,175	-35%	-$562K	0.01%	629
2016 Q3	$1.46M	Sell	141,550 -20,800	-13%	-$186K	0.01%	561
2016 Q2	$1.45M	Sell	162,350 -20,700	-11%	-$161K	0.01%	533
2016 Q1	$1.41M	Sell	183,050 -8,950	-5%	-$58.1K	0.01%	531
2015 Q4	$1.27M	Buy	192,000 +18,162	+10%	+$130K	0.01%	572
2015 Q3	$1.44M	Sell	173,838 -127,934	-42%	-$1.1M	0.01%	637
2015 Q2	$2.49M	Buy	301,772 +278,272	+1,184%	+$2.39M	﹤0.01%	1268
2015 Q1	$177K	Buy	23,500 +5,100	+28%	+$39.6K	﹤0.01%	2030
2014 Q4	$141K	Sell	18,400 -30,000	-62%	-$223K	﹤0.01%	1998
2014 Q3	$345K	Buy	48,400 +4,000	+9%	+$27.1K	﹤0.01%	1799
2014 Q2	$303K	Buy	44,400 +32,500	+273%	+$216K	﹤0.01%	1809
2014 Q1	$80K	Buy	+11,900	New	+$75K	﹤0.01%	1959
2013 Q3	–	Sell	-13,900	Closed	-$86K	–	2093
2013 Q2	$86K	Buy	+13,900	New	+$90K	﹤0.01%	1893

Other funds holding WIFI

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

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

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

WIC

Water Island Capital New York $896M AUM 107.59% 1-Year Est. Return

TAL

TIG Advisors LLC New York $2.16B AUM 72.99% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

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

Hudson Bay Capital Management Stamford, Connecticut $29B AUM 30.2% 1-Year Est. Return

SRC

Samson Rock Capital London, United Kingdom $45.6M AUM 86.17% 1-Year Est. Return

HCSF Management San Francisco, California $60.3M AUM 9.62% 1-Year Est. Return

William Blair & Company's WIFI Position: Q1 2021 in Review

William Blair & Company sold out of Boingo Wireless, Inc. (WIFI) in Q1 2021, closing a stake of 30,445 shares — an estimated $387K sold.

William Blair & Company first reported a position in WIFI in Q2 2013 and held it in 29 quarters. The position peaked at $2.49M in Q2 2015. 129 funds tracked by Wall St. Rank hold WIFI as of Q1 2021.

William Blair & Company reported no remaining Boingo Wireless, Inc. position as of Q1 2021 after selling out during the quarter.
William Blair & Company sold 30,445 Boingo Wireless, Inc. shares in Q1 2021, an estimated $387K.
William Blair & Company first reported a position in Boingo Wireless, Inc. in Q2 2013 and held it in 29 quarters.
William Blair & Company's Boingo Wireless, Inc. position peaked at $2.49M in Q2 2015.
129 funds tracked by Wall St. Rank held Boingo Wireless, Inc. as of Q1 2021.

Based on William Blair & Company's 13F filing for Q1 2021, filed 13 May 2021.