DP
IO

Dearborn Partners’s ION Geophysical Corporation IO Stock Holding History

Dearborn Partners’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
2014
Q4 		– Sell
-667
Closed -$28K – 302
2014
Q3 		$28K Sell
667
-1,486
-69% -$79.5K ﹤0.01% 298
2014
Q2 		$136K Hold
2,153
– – 0.01% 296
2014
Q1 		$136K Buy
+2,153
New +$118K 0.01% 289

Other funds holding IO

Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BFA
BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
BIT
BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
PI
Putnam Investments Boston, Massachusetts $75.7B AUM 34.45% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

Dearborn Partners's IO Position: Q4 2014 in Review

Dearborn Partners sold out of ION Geophysical Corporation (IO) in Q4 2014, closing a stake of 667 shares — an estimated $28K sold.

Dearborn Partners first reported a position in IO in Q1 2014 and held it in 3 quarters. The position peaked at $136K in Q2 2014. 142 funds tracked by Wall St. Rank hold IO as of Q4 2014.

  • Dearborn Partners reported no remaining ION Geophysical Corporation position as of Q4 2014 after selling out during the quarter.
  • Dearborn Partners sold 667 ION Geophysical Corporation shares in Q4 2014, an estimated $28K.
  • Dearborn Partners first reported a position in ION Geophysical Corporation in Q1 2014 and held it in 3 quarters.
  • Dearborn Partners's ION Geophysical Corporation position peaked at $136K in Q2 2014.
  • 142 funds tracked by Wall St. Rank held ION Geophysical Corporation as of Q4 2014.

Based on Dearborn Partners's 13F filing for Q4 2014, filed 28 Jan 2015.