Rafferty Asset Management
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Rafferty Asset Management’s United Microelectronic UMC Stock Holding History

Rafferty Asset Management’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 		$208M Buy
7,653,378
+2,669,725
+54% +$45.6M 0.47% 39
2026
Q1 		$44.8M Sell
4,983,653
-1,494,177
-23% -$14.6M 0.18% 68
2025
Q4 		$50.9M Buy
6,477,830
+257,129
+4% +$1.95M 0.18% 76
2025
Q3 		$47.2M Sell
6,220,701
-2,182,363
-26% -$15.5M 0.15% 86
2025
Q2 		$64.3M Buy
8,403,064
+2,826,486
+51% +$21M 0.21% 66
2025
Q1 		$39.9M Sell
5,576,578
-599,160
-10% -$3.82M 0.17% 84
2024
Q4 		$40.1M Sell
6,175,738
-309,759
-5% -$2.22M 0.14% 88
2024
Q3 		$54.6M Buy
6,485,497
+545,379
+9% +$4.56M 0.19% 65
2024
Q2 		$52M Sell
5,940,118
-687,874
-10% -$5.67M 0.19% 62
2024
Q1 		$53.6M Buy
6,627,992
+2,192,753
+49% +$17.4M 0.2% 60
2023
Q4 		$37.5M Buy
4,435,239
+355,186
+9% +$2.71M 0.16% 74
2023
Q3 		$28.8M Sell
4,080,053
-180,151
-4% -$1.31M 0.17% 76
2023
Q2 		$33.6M Buy
4,260,204
+933,493
+28% +$7.69M 0.19% 66
2023
Q1 		$29.1M Buy
3,326,711
+465,065
+16% +$3.77M 0.2% 71
2022
Q4 		$18.7M Buy
2,861,646
+135,734
+5% +$899K 0.16% 104
2022
Q3 		$15.2M Buy
2,725,912
+60,675
+2% +$400K 0.16% 99
2022
Q2 		$18M Sell
2,665,237
-709,948
-21% -$5.82M 0.17% 81
2022
Q1 		$30.8M Buy
3,375,185
+513,824
+18% +$5.09M 0.18% 77
2021
Q4 		$33.5M Buy
2,861,361
+1,021,414
+56% +$11.4M 0.18% 75
2021
Q3 		$21M Buy
+1,839,947
New +$19.7M 0.14% 97

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
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
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return

Rafferty Asset Management's UMC Position: Q2 2026 in Review

Rafferty Asset Management increased its United Microelectronic (UMC) stake by 54% in Q2 2026, buying an estimated $45.6M and bringing the position to 7,653,378 shares worth $208M. The position accounts for 0.47% of the portfolio, ranked #39.

Rafferty Asset Management first reported a position in UMC in Q3 2021 and has held it in 20 quarters since. 363 funds tracked by Wall St. Rank hold UMC as of Q2 2026.

  • Rafferty Asset Management held 7,653,378 shares of United Microelectronic worth $208M as of Q2 2026.
  • Rafferty Asset Management bought 2,669,725 United Microelectronic shares in Q2 2026, an estimated $45.6M.
  • United Microelectronic made up 0.47% of Rafferty Asset Management's portfolio in Q2 2026, its #39 holding.
  • Rafferty Asset Management first reported a position in United Microelectronic in Q3 2021 and has held it in 20 quarters since.
  • 363 funds tracked by Wall St. Rank held United Microelectronic as of Q2 2026.

Based on Rafferty Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.