OSAM
IMOS

O'Shaughnessy Asset Management’s ChipMOS TECHNOLOGIES IMOS Stock Holding History

O'Shaughnessy Asset Management’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
Q1 		$2.85M Buy
+79,723
New +$3.01M 0.01% 724
2025
Q2 		– Sell
-26,021
Closed -$438K – 2446
2025
Q1 		$438K Sell
26,021
-10,598
-29% -$202K ﹤0.01% 1379
2024
Q4 		$690K Sell
36,619
-35,662
-49% -$740K 0.01% 1139
2024
Q3 		$1.62M Sell
72,281
-33,661
-32% -$803K 0.01% 726
2024
Q2 		$2.77M Sell
105,942
-8,697
-8% -$243K 0.03% 508
2024
Q1 		$3.61M Buy
114,639
+1,592
+1% +$45.3K 0.04% 422
2023
Q4 		$3.08M Sell
113,047
-29,701
-21% -$746K 0.04% 420
2023
Q3 		$3.29M Sell
142,748
-4,552
-3% -$106K 0.05% 367
2023
Q2 		$3.49M Buy
147,300
+2,437
+2% +$61.1K 0.05% 341
2023
Q1 		$3.64M Sell
144,863
-2,235
-2% -$52.3K 0.06% 341
2022
Q4 		$3.15M Buy
147,098
+59,979
+69% +$1.23M 0.05% 338
2022
Q3 		$1.61M Sell
87,119
-27,199
-24% -$614K 0.03% 448
2022
Q2 		$2.86M Sell
114,318
-15,047
-12% -$489K 0.05% 313
2022
Q1 		$4.6M Buy
129,365
+21,647
+20% +$753K 0.08% 262
2021
Q4 		$3.78M Buy
107,718
+4,217
+4% +$140K 0.07% 269
2021
Q3 		$3.54M Buy
103,501
+35,759
+53% +$1.39M 0.07% 228
2021
Q2 		$2.3M Buy
67,742
+603
+0.9% +$19.9K 0.05% 289
2021
Q1 		$2.12M Buy
67,139
+3,705
+6% +$99.1K 0.05% 264
2020
Q4 		$1.54M Sell
63,434
-9,233
-13% -$200K 0.04% 257
2020
Q3 		$1.4M Sell
72,667
-22,023
-23% -$456K 0.04% 235
2020
Q2 		$2.15M Buy
94,690
+53,001
+127% +$1.09M 0.07% 164
2020
Q1 		$729K Sell
41,689
-3,625
-8% -$72.4K 0.03% 249
2019
Q4 		$1.02M Buy
45,314
+23,563
+108% +$519K 0.02% 268
2019
Q3 		$441K Buy
21,751
+9,619
+79% +$181K 0.01% 389
2019
Q2 		$187K Buy
+12,132
New +$198K ﹤0.01% 551
2016
Q3 		– Sell
-4,558
Closed -$91K – 924
2016
Q2 		$91K Sell
4,558
-391
-8% -$7.69K ﹤0.01% 612
2016
Q1 		$95K Buy
4,949
+1,041
+27% +$20K ﹤0.01% 547
2015
Q4 		$85K Buy
+3,908
New +$79.5K ﹤0.01% 578
2015
Q3 		– Sell
-20
Closed – – 960
2015
Q2 		$0 Sell
20
-875
-98% -$22.5K ﹤0.01% 1025
2015
Q1 		$24K Sell
895
-1,750
-66% -$45.5K ﹤0.01% 667
2014
Q4 		$68K Sell
2,645
-521
-16% -$12.5K ﹤0.01% 623
2014
Q3 		$79K Sell
3,166
-1,471
-32% -$38.6K ﹤0.01% 624
2014
Q2 		$123K Buy
4,637
+1,275
+38% +$32.1K ﹤0.01% 593
2014
Q1 		$82K Buy
3,362
+1,871
+125% +$42.8K ﹤0.01% 603
2013
Q4 		$32K Buy
1,491
+591
+66% +$11.8K ﹤0.01% 652
2013
Q3 		$18K Buy
+900
New +$17K ﹤0.01% 682

Other funds holding IMOS

Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VPIM
Vanguard Personalized Indexing Management Oakland, California $10.2B AUM 34.45% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $147B AUM 18.73% 1-Year Est. Return
RG
Renaissance Group Covington, Kentucky $2.39B AUM 27.81% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

O'Shaughnessy Asset Management's IMOS Position: Q1 2026 in Review

O'Shaughnessy Asset Management opened a new position in ChipMOS TECHNOLOGIES (IMOS) in Q1 2026: 79,723 shares worth $2.85M. The stake represents 0.01% of the portfolio and ranks #724 among its holdings. This is a return to the name: O'Shaughnessy Asset Management previously reported a position in IMOS as recently as Q1 2025.

O'Shaughnessy Asset Management first reported a position in IMOS in Q3 2013 and has held it in 36 quarters since. The position peaked at $4.6M in Q1 2022. 72 funds tracked by Wall St. Rank hold IMOS as of Q1 2026.

  • O'Shaughnessy Asset Management held 79,723 shares of ChipMOS TECHNOLOGIES worth $2.85M as of Q1 2026.
  • ChipMOS TECHNOLOGIES was a new O'Shaughnessy Asset Management position in Q1 2026.
  • ChipMOS TECHNOLOGIES made up 0.01% of O'Shaughnessy Asset Management's portfolio in Q1 2026, its #724 holding.
  • O'Shaughnessy Asset Management first reported a position in ChipMOS TECHNOLOGIES in Q3 2013 and has held it in 36 quarters since.
  • O'Shaughnessy Asset Management's ChipMOS TECHNOLOGIES position peaked at $4.6M in Q1 2022.
  • 72 funds tracked by Wall St. Rank held ChipMOS TECHNOLOGIES as of Q1 2026.

Based on O'Shaughnessy Asset Management's 13F filing for Q1 2026, filed 13 May 2026.