MP
KALU icon

Mangrove Partners’s Kaiser Aluminum KALU Stock Holding History

Mangrove Partners’s Portfolio KALU Stock Details KALU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$409K Buy
+2,092
New +$356K 0.03% 243
2026
Q1 		– Sell
-5,269
Closed -$605K – 522
2025
Q4 		$605K Buy
+5,269
New +$501K 0.05% 144

Other funds holding KALU

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return

Mangrove Partners's KALU Position: Q2 2026 in Review

Mangrove Partners opened a new position in Kaiser Aluminum (KALU) in Q2 2026: 2,092 shares worth $409K. The stake represents 0.03% of the portfolio and ranks #243 among its holdings. This is a return to the name: Mangrove Partners previously reported a position in KALU as recently as Q4 2025.

Mangrove Partners first reported a position in KALU in Q4 2025 and has held it in 2 quarters since. The position peaked at $605K in Q4 2025. 335 funds tracked by Wall St. Rank hold KALU as of Q2 2026.

  • Mangrove Partners held 2,092 shares of Kaiser Aluminum worth $409K as of Q2 2026.
  • Kaiser Aluminum was a new Mangrove Partners position in Q2 2026.
  • Kaiser Aluminum made up 0.03% of Mangrove Partners's portfolio in Q2 2026, its #243 holding.
  • Mangrove Partners first reported a position in Kaiser Aluminum in Q4 2025 and has held it in 2 quarters since.
  • Mangrove Partners's Kaiser Aluminum position peaked at $605K in Q4 2025.
  • 335 funds tracked by Wall St. Rank held Kaiser Aluminum as of Q2 2026.

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