Bogle Investment Management’s ION Geophysical Corporation IO Stock Holding History

Bogle Investment Management’s Portfolio IO Stock Details IO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2018 Q3	–	Sell	-58,264	Closed	-$1.42M	–	377
2018 Q2	$1.42M	Buy	58,264 +45,458	+355%	+$1.18M	0.1%	173
2018 Q1	$347K	Buy	+12,806	New	+$304K	0.03%	281
2015 Q1	–	Sell	-27,163	Closed	-$1.12M	–	475
2014 Q4	$1.12M	Sell	27,163 -16,474	-38%	-$648K	0.07%	254
2014 Q3	$1.83M	Sell	43,637 -11,826	-21%	-$633K	0.12%	189
2014 Q2	$3.51M	Sell	55,463 -5,667	-9%	-$357K	0.24%	127
2014 Q1	$3.86M	Buy	+61,130	New	+$3.35M	0.26%	122

Other funds holding IO

GCM

Gates Capital Management New York $3.66B AUM 12.63% 1-Year Est. Return

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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

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

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

Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

BCM

Bridgeway Capital Management Houston, Texas $4.97B AUM 44.96% 1-Year Est. Return

Bogle Investment Management's IO Position: Q3 2018 in Review

Bogle Investment Management sold out of ION Geophysical Corporation (IO) in Q3 2018, closing a stake of 58,264 shares — an estimated $1.42M sold.

Bogle Investment Management first reported a position in IO in Q1 2014 and held it in 6 quarters. The position peaked at $3.86M in Q1 2014. 69 funds tracked by Wall St. Rank hold IO as of Q3 2018.

Bogle Investment Management reported no remaining ION Geophysical Corporation position as of Q3 2018 after selling out during the quarter.
Bogle Investment Management sold 58,264 ION Geophysical Corporation shares in Q3 2018, an estimated $1.42M.
Bogle Investment Management first reported a position in ION Geophysical Corporation in Q1 2014 and held it in 6 quarters.
Bogle Investment Management's ION Geophysical Corporation position peaked at $3.86M in Q1 2014.
69 funds tracked by Wall St. Rank held ION Geophysical Corporation as of Q3 2018.

Based on Bogle Investment Management's 13F filing for Q3 2018, filed 13 Nov 2018.