MCM
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Mattern Capital Management’s ConocoPhillips COP Stock Holding History

Mattern Capital Management’s Portfolio COP Stock Details COP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.27M Buy
17,193
+476
+3% +$52.7K 0.27% 86
2025
Q4 		$1.56M Buy
16,717
+1,214
+8% +$110K 0.18% 96
2025
Q3 		$1.47M Buy
15,503
+2,968
+24% +$281K 0.17% 99
2025
Q2 		$1.12M Buy
12,535
+2,702
+27% +$243K 0.14% 106
2025
Q1 		$1.03M Buy
9,833
+1,714
+21% +$171K 0.13% 93
2024
Q4 		$805K Buy
8,119
+482
+6% +$51.2K 0.1% 101
2024
Q3 		$804K Buy
7,637
+1,051
+16% +$115K 0.1% 99
2024
Q2 		$753K Buy
6,586
+1,513
+30% +$184K 0.1% 95
2024
Q1 		$646K Buy
+5,073
New +$579K 0.09% 97

Other funds holding COP

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Mattern Capital Management's COP Position: Q1 2026 in Review

Mattern Capital Management increased its ConocoPhillips (COP) stake by 2.8% in Q1 2026, buying an estimated $52.7K and bringing the position to 17,193 shares worth $2.27M. The position accounts for 0.27% of the portfolio, ranked #86.

Mattern Capital Management first reported a position in COP in Q1 2024 and has held it in 9 quarters since. 2,558 funds tracked by Wall St. Rank hold COP as of Q1 2026.

  • Mattern Capital Management held 17,193 shares of ConocoPhillips worth $2.27M as of Q1 2026.
  • Mattern Capital Management bought 476 ConocoPhillips shares in Q1 2026, an estimated $52.7K.
  • ConocoPhillips made up 0.27% of Mattern Capital Management's portfolio in Q1 2026, its #86 holding.
  • Mattern Capital Management first reported a position in ConocoPhillips in Q1 2024 and has held it in 9 quarters since.
  • 2,558 funds tracked by Wall St. Rank held ConocoPhillips as of Q1 2026.

Based on Mattern Capital Management's 13F filing for Q1 2026, filed 4 May 2026.