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Maple Rock Capital Partners’s Alcoa AA Stock Holding History

Maple Rock Capital Partners’s Portfolio AA Stock Details AA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2017
Q3 		– Sell
-670,000
Closed -$21.9M – 15
2017
Q2 		$21.9M Hold
670,000
– – 6.74% 8
2017
Q1 		$23M Buy
+670,000
New +$23.4M 4.73% 8

Other funds holding AA

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Eagle Capital Management (New York)
Eagle Capital Management (New York) New York $32.7B AUM 17.15% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Maple Rock Capital Partners's AA Position: Q2 2026 in Review

Maple Rock Capital Partners increased its Alcoa (AA) stake by 75% in Q2 2026, buying an estimated $45.2M and bringing the position to 1,577,720 shares worth $82.3M. The position accounts for 1.61% of the portfolio, ranked #18.

Maple Rock Capital Partners first reported a position in AA in Q1 2017 and has held it in 6 quarters since. The position peaked at $173M in Q4 2025. 713 funds tracked by Wall St. Rank hold AA as of Q2 2026.

  • Maple Rock Capital Partners held 1,577,720 shares of Alcoa worth $82.3M as of Q2 2026.
  • Maple Rock Capital Partners bought 674,400 Alcoa shares in Q2 2026, an estimated $45.2M.
  • Alcoa made up 1.61% of Maple Rock Capital Partners's portfolio in Q2 2026, its #18 holding.
  • Maple Rock Capital Partners first reported a position in Alcoa in Q1 2017 and has held it in 6 quarters since.
  • Maple Rock Capital Partners's Alcoa position peaked at $173M in Q4 2025.
  • 713 funds tracked by Wall St. Rank held Alcoa as of Q2 2026.

Based on Maple Rock Capital Partners's 13F filing for Q2 2026, filed 14 Aug 2026.