MPM
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Mountaineer Partners Management’s Alcoa AA Stock Holding History

Mountaineer Partners Management’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
2026
Q1 		$15.5M Sell
233,687
-8,307
-3% -$510K 7.7% 3
2025
Q4 		$12.9M Sell
241,994
-54,648
-18% -$2.24M 7.2% 5
2025
Q3 		$9.76M Sell
296,642
-8,139
-3% -$253K 5.67% 10
2025
Q2 		$8.99M Buy
304,781
+38,816
+15% +$1.05M 5.94% 11
2025
Q1 		$8.11M Buy
265,965
+8,187
+3% +$287K 7.76% 8
2024
Q4 		$9.74M Sell
257,778
-22,053
-8% -$916K 7.13% 5
2024
Q3 		$10.8M Buy
279,831
+17,987
+7% +$613K 6.73% 6
2024
Q2 		$10.4M Buy
261,844
+36,295
+16% +$1.4M 5.42% 7
2024
Q1 		$7.62M Sell
225,549
-14,795
-6% -$433K 3.52% 13
2023
Q4 		$8.17M Hold
240,344
– – 4.15% 11
2023
Q3 		$6.98M Buy
240,344
+6,005
+3% +$188K 4.48% 10
2023
Q2 		$7.95M Buy
234,339
+46,321
+25% +$1.68M 4.39% 11
2023
Q1 		$8M Buy
+188,018
New +$9.06M 5.81% 6
2022
Q2 		– Sell
-163,507
Closed -$14.7M – 11
2022
Q1 		$14.7M Buy
+163,507
New +$11.9M 8.09% 3

Other funds holding AA

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Eagle Capital Management (New York)
Eagle Capital Management (New York) New York $29.8B AUM 12.13% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Mountaineer Partners Management's AA Position: Q1 2026 in Review

Mountaineer Partners Management reduced its Alcoa (AA) stake by 3.4% in Q1 2026, selling an estimated $510K and leaving 233,687 shares worth $15.5M. The position accounts for 7.7% of the portfolio, ranked #3.

Mountaineer Partners Management first reported a position in AA in Q1 2022 and has held it in 14 quarters since. 755 funds tracked by Wall St. Rank hold AA as of Q1 2026.

  • Mountaineer Partners Management held 233,687 shares of Alcoa worth $15.5M as of Q1 2026.
  • Mountaineer Partners Management sold 8,307 Alcoa shares in Q1 2026, an estimated $510K.
  • Alcoa made up 7.7% of Mountaineer Partners Management's portfolio in Q1 2026, its #3 holding.
  • Mountaineer Partners Management first reported a position in Alcoa in Q1 2022 and has held it in 14 quarters since.
  • 755 funds tracked by Wall St. Rank held Alcoa as of Q1 2026.

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