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 		$386K Buy
+6,000
New +$317K ﹤0.01% 3742
2019
Q4 		– Sell
-500
Closed -$10K – 5325
2019
Q3 		$10K Buy
+500
New +$9.4K ﹤0.01% 4597
2017
Q2 		– Sell
-74,712
Closed -$1.56M – 4893
2017
Q1 		$1.56M Buy
+74,712
New +$1.41M 0.02% 1031
2016
Q4 		– Sell
-24,322
Closed -$531K – 4596
2016
Q3 		$531K Sell
24,322
-20,057
-45% -$415K 0.01% 1773
2016
Q2 		$886K Buy
44,379
+2,814
+7% +$55.3K 0.01% 1336
2016
Q1 		$796K Buy
41,565
+34,305
+473% +$659K 0.01% 1342
2015
Q4 		$158K Sell
7,260
-9,076
-56% -$185K ﹤0.01% 2671
2015
Q3 		$296K Sell
16,336
-17,061
-51% -$337K ﹤0.01% 2209
2015
Q2 		$804K Sell
33,397
-48,100
-59% -$1.24M 0.01% 1396
2015
Q1 		$2.21M Buy
81,497
+67,521
+483% +$1.76M 0.03% 587
2014
Q4 		$359K Buy
13,976
+11,889
+570% +$284K 0.01% 1811
2014
Q3 		$52K Sell
2,087
-4,447
-68% -$117K ﹤0.01% 3494
2014
Q2 		$174K Sell
6,534
-18,060
-73% -$454K ﹤0.01% 2550
2014
Q1 		$598K Sell
24,594
-36,029
-59% -$824K 0.01% 1504
2013
Q4 		$1.28M Sell
60,623
-117,889
-66% -$2.36M 0.02% 938
2013
Q3 		$3.54M Buy
178,512
+124,604
+231% +$2.36M 0.07% 314
2013
Q2 		$1.15M Buy
+53,908
New +$975K 0.03% 721

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.