MCM
COP icon

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
Q2 		$1.58M Sell
15,217
-1,976
-11% -$234K 0.18% 98
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 $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
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

Mattern Capital Management reduced its ConocoPhillips (COP) stake by 11% in Q2 2026, selling an estimated $234K and leaving 15,217 shares worth $1.58M. The position accounts for 0.18% of the portfolio, ranked #98.

Mattern Capital Management first reported a position in COP in Q1 2024 and has held it in 10 quarters since. The position peaked at $2.27M in Q1 2026. 2,464 funds tracked by Wall St. Rank hold COP as of Q2 2026.

  • Mattern Capital Management held 15,217 shares of ConocoPhillips worth $1.58M as of Q2 2026.
  • Mattern Capital Management sold 1,976 ConocoPhillips shares in Q2 2026, an estimated $234K.
  • ConocoPhillips made up 0.18% of Mattern Capital Management's portfolio in Q2 2026, its #98 holding.
  • Mattern Capital Management first reported a position in ConocoPhillips in Q1 2024 and has held it in 10 quarters since.
  • Mattern Capital Management's ConocoPhillips position peaked at $2.27M in Q1 2026.
  • 2,464 funds tracked by Wall St. Rank held ConocoPhillips as of Q2 2026.

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