RhumbLine Advisers
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RhumbLine Advisers’s United Microelectronic UMC Stock Holding History

RhumbLine Advisers’s Portfolio UMC Stock Details UMC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$13.4M Sell
493,285
-174,292
-26% -$2.98M 0.01% 954
2026
Q1 		$5.99M Sell
667,577
-61,755
-8% -$602K 0.01% 1308
2025
Q4 		$5.73M Buy
729,332
+6,809
+0.9% +$51.7K ﹤0.01% 1327
2025
Q3 		$5.48M Buy
722,523
+6,193
+0.9% +$43.9K ﹤0.01% 1384
2025
Q2 		$5.48M Sell
716,330
-2,236
-0.3% -$16.6K ﹤0.01% 1355
2025
Q1 		$5.14M Sell
718,566
-39,347
-5% -$251K ﹤0.01% 1348
2024
Q4 		$4.92M Buy
757,913
+104,232
+16% +$746K ﹤0.01% 1429
2024
Q3 		$5.5M Sell
653,681
-14,880
-2% -$124K 0.01% 1382
2024
Q2 		$5.86M Sell
668,561
-259,583
-28% -$2.14M 0.01% 1300
2024
Q1 		$7.51M Buy
928,144
+367
+0% +$2.92K 0.01% 1196
2023
Q4 		$7.85M Buy
927,777
+38,621
+4% +$294K 0.01% 1177
2023
Q3 		$6.28M Buy
889,156
+125,903
+16% +$912K 0.01% 1226
2023
Q2 		$6.02M Buy
+763,253
New +$6.29M 0.01% 1273
2021
Q1 		– Sell
-19,923
Closed -$168K – 3033
2020
Q4 		$168K Sell
19,923
-780
-4% -$5.09K ﹤0.01% 2880
2020
Q3 		$99K Sell
20,703
-114,218
-85% -$424K ﹤0.01% 2872
2020
Q2 		$356K Buy
134,921
+123,447
+1,076% +$310K ﹤0.01% 2490
2020
Q1 		$25K Hold
11,474
– – ﹤0.01% 2901
2019
Q4 		$31K Hold
11,474
– – ﹤0.01% 2930
2019
Q3 		$24K Buy
+11,474
New +$24.5K ﹤0.01% 2945
2019
Q1 		– Sell
-16,910
Closed -$30K – 2956
2018
Q4 		$30K Hold
16,910
– – ﹤0.01% 2965
2018
Q3 		$44K Buy
+16,910
New +$46.2K ﹤0.01% 2911
2013
Q3 		– Sell
-767,100
Closed -$1.79M – 2989
2013
Q2 		$1.79M Buy
+767,100
New +$1.56M 0.01% 1380

Other funds holding UMC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Rafferty Asset Management
Rafferty Asset Management New York $43.9B AUM 121.74% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Man Group
Man Group London, United Kingdom $62.7B AUM 29.77% 1-Year Est. Return

RhumbLine Advisers's UMC Position: Q2 2026 in Review

RhumbLine Advisers reduced its United Microelectronic (UMC) stake by 26% in Q2 2026, selling an estimated $2.98M and leaving 493,285 shares worth $13.4M. The position accounts for 0.01% of the portfolio, ranked #954.

RhumbLine Advisers first reported a position in UMC in Q2 2013 and has held it in 22 quarters since. 362 funds tracked by Wall St. Rank hold UMC as of Q2 2026.

  • RhumbLine Advisers held 493,285 shares of United Microelectronic worth $13.4M as of Q2 2026.
  • RhumbLine Advisers sold 174,292 United Microelectronic shares in Q2 2026, an estimated $2.98M.
  • United Microelectronic made up 0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #954 holding.
  • RhumbLine Advisers first reported a position in United Microelectronic in Q2 2013 and has held it in 22 quarters since.
  • 362 funds tracked by Wall St. Rank held United Microelectronic as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.