RhumbLine Advisers
IMOS

RhumbLine Advisers’s ChipMOS TECHNOLOGIES IMOS Stock Holding History

RhumbLine Advisers’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 		$873K Buy
24,393
+3,146
+15% +$119K ﹤0.01% 2266
2025
Q4 		$630K Sell
21,247
-15,838
-43% -$395K ﹤0.01% 2527
2025
Q3 		$711K Sell
37,085
-510
-1% -$8.99K ﹤0.01% 2457
2025
Q2 		$681K Buy
37,595
+12,759
+51% +$226K ﹤0.01% 2471
2025
Q1 		$418K Sell
24,836
-8,303
-25% -$158K ﹤0.01% 2683
2024
Q4 		$624K Buy
33,139
+1,680
+5% +$34.9K ﹤0.01% 2528
2024
Q3 		$736K Buy
31,459
+2,970
+10% +$70.8K ﹤0.01% 2439
2024
Q2 		$744K Sell
28,489
-13,463
-32% -$376K ﹤0.01% 2410
2024
Q1 		$1.32M Buy
41,952
+3,608
+9% +$103K ﹤0.01% 2105
2023
Q4 		$1.04M Buy
38,344
+246
+0.6% +$6.18K ﹤0.01% 2226
2023
Q3 		$878K Buy
38,098
+6,685
+21% +$155K ﹤0.01% 2283
2023
Q2 		$744K Buy
+31,413
New +$788K ﹤0.01% 2453

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

RhumbLine Advisers's IMOS Position: Q1 2026 in Review

RhumbLine Advisers increased its ChipMOS TECHNOLOGIES (IMOS) stake by 15% in Q1 2026, buying an estimated $119K and bringing the position to 24,393 shares worth $873K. The position accounts for ﹤0.01% of the portfolio, ranked #2266.

RhumbLine Advisers first reported a position in IMOS in Q2 2023 and has held it in 12 quarters since. The position peaked at $1.32M in Q1 2024. 72 funds tracked by Wall St. Rank hold IMOS as of Q1 2026.

  • RhumbLine Advisers held 24,393 shares of ChipMOS TECHNOLOGIES worth $873K as of Q1 2026.
  • RhumbLine Advisers bought 3,146 ChipMOS TECHNOLOGIES shares in Q1 2026, an estimated $119K.
  • ChipMOS TECHNOLOGIES made up ﹤0.01% of RhumbLine Advisers's portfolio in Q1 2026, its #2266 holding.
  • RhumbLine Advisers first reported a position in ChipMOS TECHNOLOGIES in Q2 2023 and has held it in 12 quarters since.
  • RhumbLine Advisers's ChipMOS TECHNOLOGIES position peaked at $1.32M in Q1 2024.
  • 72 funds tracked by Wall St. Rank held ChipMOS TECHNOLOGIES as of Q1 2026.

Based on RhumbLine Advisers's 13F filing for Q1 2026, filed 12 May 2026.