ARL
UMC icon

Altar Rock LLC’s United Microelectronic UMC Stock Holding History

Altar Rock LLC’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 		$216K Buy
+7,922
New +$135K 0.31% 59

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

Altar Rock LLC's UMC Position: Q2 2026 in Review

Altar Rock LLC opened a new position in United Microelectronic (UMC) in Q2 2026: 7,922 shares worth $216K. The stake represents 0.31% of the portfolio and ranks #59 among its holdings.

364 funds tracked by Wall St. Rank hold UMC as of Q2 2026.

  • Altar Rock LLC held 7,922 shares of United Microelectronic worth $216K as of Q2 2026.
  • United Microelectronic was a new Altar Rock LLC position in Q2 2026.
  • United Microelectronic made up 0.31% of Altar Rock LLC's portfolio in Q2 2026, its #59 holding.
  • 364 funds tracked by Wall St. Rank held United Microelectronic as of Q2 2026.

Based on Altar Rock LLC's 13F filing for Q2 2026, filed 21 Sep 2026.