Wellington Management Group
IO

Wellington Management Group’s ION Geophysical Corporation IO Stock Holding History

Wellington Management Group’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
2015
Q4 		– Sell
-13,224
Closed -$78K – 2327
2015
Q3 		$78K Hold
13,224
– – ﹤0.01% 2148
2015
Q2 		$212K Hold
13,224
– – ﹤0.01% 2095
2015
Q1 		$430K Hold
13,224
– – ﹤0.01% 2019
2014
Q4 		$546K Buy
13,224
+6,204
+88% +$244K ﹤0.01% 1984
2014
Q3 		$294K Buy
7,020
+53
+0.8% +$2.83K ﹤0.01% 2076
2014
Q2 		$441K Sell
6,967
-16,760
-71% -$1.06M ﹤0.01% 1998
2014
Q1 		$1.5M Hold
23,727
– – ﹤0.01% 1748
2013
Q4 		$1.18M Sell
23,727
-425,372
-95% -$25.8M ﹤0.01% 1812
2013
Q3 		$35M Sell
449,099
-144,706
-24% -$11.9M 0.01% 819
2013
Q2 		$53.6M Buy
+593,805
New +$55.4M 0.02% 674

Other funds holding IO

Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
CPS
Counsel Portfolio Services Mississauga, Ontario, Canada $1.01B AUM 2.83% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return
BFA
BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return
BIT
BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Wellington Management Group's IO Position: Q4 2015 in Review

Wellington Management Group sold out of ION Geophysical Corporation (IO) in Q4 2015, closing a stake of 13,224 shares — an estimated $78K sold.

Wellington Management Group first reported a position in IO in Q2 2013 and held it in 10 quarters. The position peaked at $53.6M in Q2 2013. 87 funds tracked by Wall St. Rank hold IO as of Q4 2015.

  • Wellington Management Group reported no remaining ION Geophysical Corporation position as of Q4 2015 after selling out during the quarter.
  • Wellington Management Group sold 13,224 ION Geophysical Corporation shares in Q4 2015, an estimated $78K.
  • Wellington Management Group first reported a position in ION Geophysical Corporation in Q2 2013 and held it in 10 quarters.
  • Wellington Management Group's ION Geophysical Corporation position peaked at $53.6M in Q2 2013.
  • 87 funds tracked by Wall St. Rank held ION Geophysical Corporation as of Q4 2015.

Based on Wellington Management Group's 13F filing for Q4 2015, filed 12 Feb 2016.