California State Teachers Retirement System (CalSTRS)
IO

California State Teachers Retirement System (CalSTRS)’s ION Geophysical Corporation IO Stock Holding History

California State Teachers Retirement System (CalSTRS)’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
2019
Q2 		– Sell
-16,272
Closed -$235K – 3167
2019
Q1 		$235K Hold
16,272
– – ﹤0.01% 2702
2018
Q4 		$84K Hold
16,272
– – ﹤0.01% 2944
2018
Q3 		$253K Hold
16,272
– – ﹤0.01% 2791
2018
Q2 		$395K Buy
+16,272
New +$423K ﹤0.01% 2581
2016
Q2 		– Sell
-20,147
Closed -$163K – 3141
2016
Q1 		$163K Buy
20,147
+2,712
+16% +$15.8K ﹤0.01% 2849
2015
Q4 		$132K Buy
17,435
+316
+2% +$2.25K ﹤0.01% 2934
2015
Q3 		$100K Sell
17,119
-60
-0.3% -$633 ﹤0.01% 2980
2015
Q2 		$276K Buy
17,179
+1,520
+10% +$40.7K ﹤0.01% 2866
2015
Q1 		$510K Sell
15,659
-314
-2% -$11.3K ﹤0.01% 2444
2014
Q4 		$659K Buy
15,973
+68
+0.4% +$2.67K ﹤0.01% 2320
2014
Q3 		$666K Buy
15,905
+177
+1% +$9.47K ﹤0.01% 2268
2014
Q2 		$996K Sell
15,728
-406
-3% -$25.6K ﹤0.01% 2073
2014
Q1 		$1.02M Buy
16,134
+93
+0.6% +$5.09K ﹤0.01% 1990
2013
Q4 		$794K Buy
16,041
+80
+0.5% +$4.85K ﹤0.01% 2133
2013
Q3 		$1.25M Buy
15,961
+491
+3% +$40.4K ﹤0.01% 1810
2013
Q2 		$1.4M Buy
+15,470
New +$1.44M ﹤0.01% 1638

Other funds holding IO

Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
GCM
Gates Capital Management New York $3.66B AUM 12.63% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s IO Position: Q2 2019 in Review

California State Teachers Retirement System (CalSTRS) sold out of ION Geophysical Corporation (IO) in Q2 2019, closing a stake of 16,272 shares — an estimated $235K sold.

California State Teachers Retirement System (CalSTRS) first reported a position in IO in Q2 2013 and held it in 16 quarters. The position peaked at $1.4M in Q2 2013. 58 funds tracked by Wall St. Rank hold IO as of Q2 2019.

  • California State Teachers Retirement System (CalSTRS) reported no remaining ION Geophysical Corporation position as of Q2 2019 after selling out during the quarter.
  • California State Teachers Retirement System (CalSTRS) sold 16,272 ION Geophysical Corporation shares in Q2 2019, an estimated $235K.
  • California State Teachers Retirement System (CalSTRS) first reported a position in ION Geophysical Corporation in Q2 2013 and held it in 16 quarters.
  • California State Teachers Retirement System (CalSTRS)'s ION Geophysical Corporation position peaked at $1.4M in Q2 2013.
  • 58 funds tracked by Wall St. Rank held ION Geophysical Corporation as of Q2 2019.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2019, filed 14 Aug 2019.