Rafferty Asset Management
UMC icon

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
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 $5.72T AUM 30.48% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Man Group
Man Group London, United Kingdom $55.1B AUM 24.23% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $89.9B AUM 20.22% 1-Year Est. Return

Rafferty Asset Management's UMC Position: Q1 2026 in Review

Rafferty Asset Management reduced its United Microelectronic (UMC) stake by 23% in Q1 2026, selling an estimated $14.6M and leaving 4,983,653 shares worth $44.8M. The position accounts for 0.18% of the portfolio, ranked #68.

Rafferty Asset Management first reported a position in UMC in Q3 2021 and has held it in 19 quarters since. The position peaked at $64.3M in Q2 2025. 316 funds tracked by Wall St. Rank hold UMC as of Q1 2026.

  • Rafferty Asset Management held 4,983,653 shares of United Microelectronic worth $44.8M as of Q1 2026.
  • Rafferty Asset Management sold 1,494,177 United Microelectronic shares in Q1 2026, an estimated $14.6M.
  • United Microelectronic made up 0.18% of Rafferty Asset Management's portfolio in Q1 2026, its #68 holding.
  • Rafferty Asset Management first reported a position in United Microelectronic in Q3 2021 and has held it in 19 quarters since.
  • Rafferty Asset Management's United Microelectronic position peaked at $64.3M in Q2 2025.
  • 316 funds tracked by Wall St. Rank held United Microelectronic as of Q1 2026.

Based on Rafferty Asset Management's 13F filing for Q1 2026, filed 15 May 2026.