Jane Street

Jane Street’s United Microelectronic UMC Stock Holding History

Jane Street’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	–	Sell	-770,100	Closed	-$6.05M	–	13047
2025 Q4	$6.05M	Sell	770,100 -2,800	-0.4%	-$21.2K	﹤0.01%	2953
2025 Q3	$5.86M	Sell	772,900 -7,100	-0.9%	-$50.4K	﹤0.01%	3189
2025 Q2	$5.97M	Sell	780,000 -2,800	-0.4%	-$20.8K	﹤0.01%	2772
2025 Q1	$5.6M	Buy	+782,800	New	+$4.99M	﹤0.01%	2771
2023 Q3	–	Sell	-35,400	Closed	-$279K	–	9433
2023 Q2	$279K	Buy	35,400 +4,400	+14%	+$36.2K	﹤0.01%	7244
2023 Q1	$272K	Buy	31,000 +5,700	+23%	+$46.2K	﹤0.01%	7355
2022 Q4	$165K	Sell	25,300 -39,000	-61%	-$258K	﹤0.01%	7808
2022 Q3	$358K	Sell	64,300 -27,300	-30%	-$180K	﹤0.01%	7296
2022 Q2	$620K	Buy	91,600 +26,000	+40%	+$213K	﹤0.01%	6352
2022 Q1	$598K	Sell	65,600 -56,000	-46%	-$555K	﹤0.01%	7135
2021 Q4	$1.42M	Sell	121,600 -67,800	-36%	-$754K	﹤0.01%	5201
2021 Q3	$2.17M	Buy	189,400 +37,100	+24%	+$398K	﹤0.01%	4316
2021 Q2	$1.44M	Buy	152,300 +64,500	+73%	+$604K	﹤0.01%	5018
2021 Q1	$800K	Buy	+87,800	New	+$812K	﹤0.01%	5891

Other funds holding UMC

BlackRock New York $5.7T 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 $121B AUM 33.93% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

UBS Group Zurich, Switzerland $564B 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 New York $761B AUM 31.28% 1-Year Est. Return

Man Group London, United Kingdom $48.2B AUM 24.23% 1-Year Est. Return

Qube Research & Technologies (QRT)

Qube Research & Technologies (QRT) London, United Kingdom $70.4B AUM 20.22% 1-Year Est. Return