Parallax Volatility Advisers
IO

Parallax Volatility Advisers’s ION Geophysical Corporation IO Stock Holding History

Parallax Volatility Advisers’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
Q2 		– Sell
-280
Closed -$9K – 5782
2015
Q1 		$9K Buy
280
+153
+120% +$5.49K ﹤0.01% 3972
2014
Q4 		$5K Buy
+127
New +$4.99K ﹤0.01% 4843
2014
Q2 		– Sell
-57
Closed -$4K – 4483
2014
Q1 		$4K Buy
57
+16
+39% +$876 ﹤0.01% 3231
2013
Q4 		$2K Buy
+41
New +$2.49K ﹤0.01% 3262

Other funds holding IO

GCM
Gates Capital Management New York $3.66B AUM 12.63% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 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 $481B AUM 30.42% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return
AQR Capital Management
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

Parallax Volatility Advisers's IO Position: Q2 2015 in Review

Parallax Volatility Advisers sold out of ION Geophysical Corporation (IO) in Q2 2015, closing a stake of 280 shares — an estimated $9K sold.

Parallax Volatility Advisers first reported a position in IO in Q4 2013 and held it in 4 quarters. The position peaked at $9K in Q1 2015. 122 funds tracked by Wall St. Rank hold IO as of Q2 2015.

  • Parallax Volatility Advisers reported no remaining ION Geophysical Corporation position as of Q2 2015 after selling out during the quarter.
  • Parallax Volatility Advisers sold 280 ION Geophysical Corporation shares in Q2 2015, an estimated $9K.
  • Parallax Volatility Advisers first reported a position in ION Geophysical Corporation in Q4 2013 and held it in 4 quarters.
  • Parallax Volatility Advisers's ION Geophysical Corporation position peaked at $9K in Q1 2015.
  • 122 funds tracked by Wall St. Rank held ION Geophysical Corporation as of Q2 2015.

Based on Parallax Volatility Advisers's 13F filing for Q2 2015, filed 14 Aug 2015.