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Mattern Capital Management’s Phillips 66 PSX Stock Holding History

Mattern Capital Management’s Portfolio PSX Stock Details PSX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$6.24M Sell
36,899
-51,700
-58% -$8.9M 0.73% 70
2026
Q1 		$16.1M Sell
88,599
-1,850
-2% -$290K 1.93% 2
2025
Q4 		$11.7M Sell
90,449
-2,638
-3% -$355K 1.38% 11
2025
Q3 		$12.7M Sell
93,087
-1,111
-1% -$142K 1.49% 9
2025
Q2 		$11.2M Buy
94,198
+2,012
+2% +$225K 1.35% 11
2025
Q1 		$11.4M Sell
92,186
-2,190
-2% -$270K 1.45% 10
2024
Q4 		$10.8M Buy
94,376
+5,510
+6% +$701K 1.4% 12
2024
Q3 		$11.7M Sell
88,866
-378
-0.4% -$51K 1.47% 10
2024
Q2 		$12.6M Sell
89,244
-1,024
-1% -$152K 1.74% 4
2024
Q1 		$14.7M Sell
90,268
-8,960
-9% -$1.29M 2% 3
2023
Q4 		$13.2M Buy
99,228
+397
+0.4% +$47.5K 1.92% 3
2023
Q3 		$11.9M Buy
98,831
+6,961
+8% +$781K 1.92% 3
2023
Q2 		$8.76M Buy
91,870
+4,006
+5% +$389K 1.42% 6
2023
Q1 		$8.91M Buy
87,864
+5,250
+6% +$534K 1.57% 5
2022
Q4 		$8.6M Sell
82,614
-6,806
-8% -$696K 1.59% 4
2022
Q3 		$7.22M Sell
89,420
-541
-0.6% -$46.1K 1.5% 5
2022
Q2 		$7.38M Sell
89,961
-5,889
-6% -$545K 1.46% 6
2022
Q1 		$8.28M Sell
95,850
-583
-0.6% -$49.1K 1.48% 9
2021
Q4 		$6.99M Buy
96,433
+351
+0.4% +$26.5K 1.22% 34
2021
Q3 		$6.73M Buy
96,082
+2,874
+3% +$208K 1.33% 14
2021
Q2 		$8M Buy
93,208
+1,058
+1% +$89.3K 1.58% 4
2021
Q1 		$7.51M Sell
92,150
-3,291
-3% -$258K 1.63% 4
2020
Q4 		$6.67M Buy
95,441
+579
+0.6% +$34K 1.58% 5
2020
Q3 		$4.92M Buy
94,862
+16,278
+21% +$993K 1.29% 23
2020
Q2 		$5.65M Buy
78,584
+23,510
+43% +$1.66M 1.64% 4
2020
Q1 		$2.96M Buy
55,074
+12,450
+29% +$1.01M 1.01% 66
2019
Q4 		$4.75M Buy
+42,624
New +$4.79M 1.31% 15

Other funds holding PSX

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
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
EIM
Elliott Investment Management West Palm Beach, Florida $22.7B AUM 59.88% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $617B AUM 30.33% 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
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

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

Mattern Capital Management reduced its Phillips 66 (PSX) stake by 58% in Q2 2026, selling an estimated $8.9M and leaving 36,899 shares worth $6.24M. The position accounts for 0.73% of the portfolio, ranked #70.

Mattern Capital Management first reported a position in PSX in Q4 2019 and has held it in 27 quarters since. The position peaked at $16.1M in Q1 2026. 2,101 funds tracked by Wall St. Rank hold PSX as of Q2 2026.

  • Mattern Capital Management held 36,899 shares of Phillips 66 worth $6.24M as of Q2 2026.
  • Mattern Capital Management sold 51,700 Phillips 66 shares in Q2 2026, an estimated $8.9M.
  • Phillips 66 made up 0.73% of Mattern Capital Management's portfolio in Q2 2026, its #70 holding.
  • Mattern Capital Management first reported a position in Phillips 66 in Q4 2019 and has held it in 27 quarters since.
  • Mattern Capital Management's Phillips 66 position peaked at $16.1M in Q1 2026.
  • 2,101 funds tracked by Wall St. Rank held Phillips 66 as of Q2 2026.

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