XTX Topco’s United Microelectronic UMC Stock Holding History

XTX Topco’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	$4.55M	Buy	167,200 +16,345	+11%	+$279K	0.06%	433
2026 Q1	$1.35M	Buy	+150,855	New	+$1.47M	0.02%	1170
2025 Q4	–	Sell	-16,736	Closed	-$127K	–	3826
2025 Q3	$127K	Buy	+16,736	New	+$119K	0.01%	1967
2025 Q1	–	Sell	-33,483	Closed	-$217K	–	3146
2024 Q4	$217K	Sell	33,483 -193,965	-85%	-$1.39M	0.02%	1487
2024 Q3	$1.92M	Buy	+227,448	New	+$1.9M	0.14%	157
2024 Q1	–	Sell	-67,525	Closed	-$571K	–	2344
2023 Q4	$571K	Buy	+67,525	New	+$515K	0.13%	189
2023 Q2	–	Sell	-73,409	Closed	-$643K	–	1866
2023 Q1	$643K	Buy	73,409 +48,353	+193%	+$392K	0.13%	177
2022 Q4	$164K	Buy	+25,056	New	+$166K	0.03%	901
2022 Q3	–	Sell	-46,111	Closed	-$312K	–	1403
2022 Q2	$312K	Buy	+46,111	New	+$378K	0.13%	259

Other funds holding UMC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Rafferty Asset Management New York $43.9B AUM 121.74% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Man Group London, United Kingdom $62.7B AUM 29.77% 1-Year Est. Return

XTX Topco's UMC Position: Q2 2026 in Review

XTX Topco increased its United Microelectronic (UMC) stake by 11% in Q2 2026, buying an estimated $279K and bringing the position to 167,200 shares worth $4.55M. The position accounts for 0.06% of the portfolio, ranked #433.

XTX Topco first reported a position in UMC in Q2 2022 and has held it in 9 quarters since. 362 funds tracked by Wall St. Rank hold UMC as of Q2 2026.

XTX Topco held 167,200 shares of United Microelectronic worth $4.55M as of Q2 2026.
XTX Topco bought 16,345 United Microelectronic shares in Q2 2026, an estimated $279K.
United Microelectronic made up 0.06% of XTX Topco's portfolio in Q2 2026, its #433 holding.
XTX Topco first reported a position in United Microelectronic in Q2 2022 and has held it in 9 quarters since.
362 funds tracked by Wall St. Rank held United Microelectronic as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.