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Mattern Capital Management’s American Express AXP Stock Holding History

Mattern Capital Management’s Portfolio AXP Stock Details AXP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.52M Buy
4,491
+669
+18% +$214K 0.18% 102
2026
Q1 		$1.16M Buy
3,822
+878
+30% +$294K 0.14% 112
2025
Q4 		$1.09M Buy
2,944
+4
+0.1% +$1.43K 0.13% 114
2025
Q3 		$977K Buy
2,940
+418
+17% +$133K 0.11% 119
2025
Q2 		$804K Buy
2,522
+415
+20% +$117K 0.1% 122
2025
Q1 		$567K Buy
2,107
+208
+11% +$61.5K 0.07% 125
2024
Q4 		$564K Buy
1,899
+181
+11% +$52K 0.07% 117
2024
Q3 		$466K Buy
1,718
+244
+17% +$60.8K 0.06% 123
2024
Q2 		$341K Buy
1,474
+417
+39% +$96.6K 0.05% 131
2024
Q1 		$241K Buy
+1,057
New +$219K 0.03% 149

Other funds holding AXP

Berkshire Hathaway
Berkshire Hathaway Omaha, Nebraska $299B AUM 27.55% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Norges Bank
Norges Bank Oslo, Norway $1T AUM

Mattern Capital Management's AXP Position: Q2 2026 in Review

Mattern Capital Management increased its American Express (AXP) stake by 18% in Q2 2026, buying an estimated $214K and bringing the position to 4,491 shares worth $1.52M. The position accounts for 0.18% of the portfolio, ranked #102.

Mattern Capital Management first reported a position in AXP in Q1 2024 and has held it in 10 quarters since. 3,001 funds tracked by Wall St. Rank hold AXP as of Q2 2026.

  • Mattern Capital Management held 4,491 shares of American Express worth $1.52M as of Q2 2026.
  • Mattern Capital Management bought 669 American Express shares in Q2 2026, an estimated $214K.
  • American Express made up 0.18% of Mattern Capital Management's portfolio in Q2 2026, its #102 holding.
  • Mattern Capital Management first reported a position in American Express in Q1 2024 and has held it in 10 quarters since.
  • 3,001 funds tracked by Wall St. Rank held American Express as of Q2 2026.

Based on Mattern Capital Management's 13F filing for Q2 2026, filed 24 Jul 2026.