Group One Trading
IMOS

Group One Trading’s ChipMOS TECHNOLOGIES IMOS Stock Holding History

Group One Trading’s Portfolio IMOS Stock Details IMOS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$15.9K Buy
+248
New +$13.1K ﹤0.01% 6148
2018
Q3 		– Sell
-909
Closed -$16K – 5374
2018
Q2 		$16K Sell
909
-534
-37% -$9.31K ﹤0.01% 4453
2018
Q1 		$27K Buy
1,443
+85
+6% +$1.74K ﹤0.01% 3965
2017
Q4 		$28K Buy
+1,358
New +$30.6K ﹤0.01% 4021
2017
Q3 		– Sell
-4,852
Closed -$113K – 4971
2017
Q2 		$113K Buy
+4,852
New +$108K ﹤0.01% 3035
2016
Q3 		– Sell
-6,411
Closed -$133K – 4700
2016
Q2 		$128K Buy
+6,411
New +$126K ﹤0.01% 2693
2016
Q1 		– Sell
-23,841
Closed -$458K – 4733
2015
Q4 		$520K Buy
23,841
+8,617
+57% +$175K 0.01% 1793
2015
Q3 		$275K Sell
15,224
-8,484
-36% -$168K ﹤0.01% 2262
2015
Q2 		$571K Buy
23,708
+18,312
+339% +$470K 0.01% 1664
2015
Q1 		$147K Sell
5,396
-10,954
-67% -$285K ﹤0.01% 2619
2014
Q4 		$420K Buy
16,350
+9,054
+124% +$217K 0.01% 1686
2014
Q3 		$182K Sell
7,296
-16,311
-69% -$428K ﹤0.01% 2448
2014
Q2 		$628K Buy
+23,607
New +$594K 0.01% 1469
2013
Q4 		– Sell
-22,216
Closed -$445K – 5350
2013
Q3 		$440K Buy
+22,216
New +$420K 0.01% 1719

Other funds holding IMOS

Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
OSAM
O'Shaughnessy Asset Management Stamford, Connecticut $21.7B AUM 41.93% 1-Year Est. Return
XC
XY Capital Central, Hong Kong $104M AUM 8% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Personalized Indexing Management
Vanguard Personalized Indexing Management Oakland, California $12.2B AUM 47.93% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Group One Trading's IMOS Position: Q2 2026 in Review

Group One Trading opened a new position in ChipMOS TECHNOLOGIES (IMOS) in Q2 2026: 248 shares worth $15.9K. The stake represents ﹤0.01% of the portfolio and ranks #6148 among its holdings. This is a return to the name: Group One Trading previously reported a position in IMOS as recently as Q2 2018.

Group One Trading first reported a position in IMOS in Q3 2013 and has held it in 14 quarters since. The position peaked at $628K in Q2 2014. 92 funds tracked by Wall St. Rank hold IMOS as of Q2 2026.

  • Group One Trading held 248 shares of ChipMOS TECHNOLOGIES worth $15.9K as of Q2 2026.
  • ChipMOS TECHNOLOGIES was a new Group One Trading position in Q2 2026.
  • ChipMOS TECHNOLOGIES made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #6148 holding.
  • Group One Trading first reported a position in ChipMOS TECHNOLOGIES in Q3 2013 and has held it in 14 quarters since.
  • Group One Trading's ChipMOS TECHNOLOGIES position peaked at $628K in Q2 2014.
  • 92 funds tracked by Wall St. Rank held ChipMOS TECHNOLOGIES as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.