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Mattern Capital Management’s Waste Management WM Stock Holding History

Mattern Capital Management’s Portfolio WM Stock Details WM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$9.84M Buy
44,162
+1,801
+4% +$401K 1.15% 43
2026
Q1 		$9.73M Buy
42,361
+37,547
+780% +$8.63M 1.17% 33
2025
Q4 		$1.06M Buy
4,814
+452
+10% +$96.3K 0.12% 116
2025
Q3 		$963K Buy
4,362
+820
+23% +$185K 0.11% 121
2025
Q2 		$810K Buy
3,542
+520
+17% +$121K 0.1% 121
2025
Q1 		$700K Buy
3,022
+302
+11% +$66.9K 0.09% 118
2024
Q4 		$549K Buy
2,720
+256
+10% +$55K 0.07% 120
2024
Q3 		$512K Buy
2,464
+390
+19% +$81.4K 0.06% 119
2024
Q2 		$442K Buy
2,074
+520
+33% +$108K 0.06% 119
2024
Q1 		$331K Buy
+1,554
New +$305K 0.05% 130

Other funds holding WM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Gates Foundation Trust
Gates Foundation Trust Kirkland, Washington $34.4B AUM 26.34% 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
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Parnassus Investments
Parnassus Investments San Francisco, California $37.4B AUM 35.42% 1-Year Est. Return

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

Mattern Capital Management increased its Waste Management (WM) stake by 4.3% in Q2 2026, buying an estimated $401K and bringing the position to 44,162 shares worth $9.84M. The position accounts for 1.15% of the portfolio, ranked #43.

Mattern Capital Management first reported a position in WM in Q1 2024 and has held it in 10 quarters since. 2,356 funds tracked by Wall St. Rank hold WM as of Q2 2026.

  • Mattern Capital Management held 44,162 shares of Waste Management worth $9.84M as of Q2 2026.
  • Mattern Capital Management bought 1,801 Waste Management shares in Q2 2026, an estimated $401K.
  • Waste Management made up 1.15% of Mattern Capital Management's portfolio in Q2 2026, its #43 holding.
  • Mattern Capital Management first reported a position in Waste Management in Q1 2024 and has held it in 10 quarters since.
  • 2,356 funds tracked by Wall St. Rank held Waste Management as of Q2 2026.

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