UBS Group
IMOS

UBS Group’s ChipMOS TECHNOLOGIES IMOS Stock Holding History

UBS Group’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
2015
Q2 		– Sell
-4,538
Closed -$123K – 8658
2015
Q1 		$123K Buy
+4,538
New +$118K ﹤0.01% 5257

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
OSAM
O'Shaughnessy Asset Management Stamford, Connecticut $20.1B 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

UBS Group's IMOS Position: Q1 2026 in Review

UBS Group reduced its ChipMOS TECHNOLOGIES (IMOS) stake by 100% in Q1 2026, selling an estimated $693K and leaving 1 share worth $36. The position accounts for ﹤0.01% of the portfolio, ranked #10238.

UBS Group first reported a position in IMOS in Q4 2014 and has held it in 33 quarters since. The position peaked at $544K in Q4 2025. 72 funds tracked by Wall St. Rank hold IMOS as of Q1 2026.

  • UBS Group held 1 share of ChipMOS TECHNOLOGIES worth $36 as of Q1 2026.
  • UBS Group sold 18,367 ChipMOS TECHNOLOGIES shares in Q1 2026, an estimated $693K.
  • ChipMOS TECHNOLOGIES made up ﹤0.01% of UBS Group's portfolio in Q1 2026, its #10238 holding.
  • UBS Group first reported a position in ChipMOS TECHNOLOGIES in Q4 2014 and has held it in 33 quarters since.
  • UBS Group's ChipMOS TECHNOLOGIES position peaked at $544K in Q4 2025.
  • 72 funds tracked by Wall St. Rank held ChipMOS TECHNOLOGIES as of Q1 2026.

Based on UBS Group's 13F filing for Q1 2026, filed 5 May 2026.