MCM
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Mattern Capital Management’s RTX Corp RTX Stock Holding History

Mattern Capital Management’s Portfolio RTX Stock Details RTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$606K Sell
3,144
-82
-3% -$16.3K 0.07% 130
2025
Q4 		$592K Sell
3,226
-71
-2% -$12.3K 0.07% 133
2025
Q3 		$552K Sell
3,297
-120
-4% -$18.6K 0.06% 139
2025
Q2 		$499K Buy
3,417
+493
+17% +$65.7K 0.06% 140
2025
Q1 		$387K Sell
2,924
-2
-0.1% -$254 0.05% 140
2024
Q4 		$339K Sell
2,926
-405
-12% -$48.9K 0.04% 139
2024
Q3 		$404K Sell
3,331
-557
-14% -$63.5K 0.05% 128
2024
Q2 		$390K Sell
3,888
-1,956
-33% -$202K 0.05% 125
2024
Q1 		$570K Sell
5,844
-14,864
-72% -$1.34M 0.08% 104
2023
Q4 		$1.74M Sell
20,708
-70,285
-77% -$5.56M 0.25% 82
2023
Q3 		$6.55M Buy
90,993
+11,787
+15% +$1.01M 1.06% 52
2023
Q2 		$7.76M Buy
79,206
+1,459
+2% +$143K 1.26% 19
2023
Q1 		$7.61M Buy
77,747
+1,176
+2% +$116K 1.34% 13
2022
Q4 		$7.73M Sell
76,571
-1,457
-2% -$137K 1.43% 8
2022
Q3 		$6.39M Sell
78,028
-535
-0.7% -$48.4K 1.33% 16
2022
Q2 		$7.55M Sell
78,563
-4,634
-6% -$445K 1.49% 5
2022
Q1 		$8.24M Buy
83,197
+914
+1% +$86.6K 1.47% 10
2021
Q4 		$7.08M Sell
82,283
-851
-1% -$74.2K 1.24% 29
2021
Q3 		$7.15M Buy
83,134
+517
+0.6% +$44.2K 1.41% 9
2021
Q2 		$7.05M Buy
82,617
+2,858
+4% +$241K 1.39% 11
2021
Q1 		$6.16M Buy
79,759
+1,732
+2% +$126K 1.33% 13
2020
Q4 		$5.58M Buy
78,027
+2,311
+3% +$152K 1.32% 21
2020
Q3 		$4.36M Buy
75,716
+3,567
+5% +$217K 1.14% 46
2020
Q2 		$4.45M Buy
72,149
+18,047
+33% +$1.13M 1.29% 22
2020
Q1 		$3.21M Buy
54,102
+1,997
+4% +$169K 1.09% 53
2019
Q4 		$4.91M Buy
+52,105
New +$4.73M 1.36% 11

Other funds holding RTX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

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

Mattern Capital Management reduced its RTX Corp (RTX) stake by 2.5% in Q1 2026, selling an estimated $16.3K and leaving 3,144 shares worth $606K. The position accounts for 0.07% of the portfolio, ranked #130.

Mattern Capital Management first reported a position in RTX in Q4 2019 and has held it in 26 quarters since. The position peaked at $8.24M in Q1 2022. 3,445 funds tracked by Wall St. Rank hold RTX as of Q1 2026.

  • Mattern Capital Management held 3,144 shares of RTX Corp worth $606K as of Q1 2026.
  • Mattern Capital Management sold 82 RTX Corp shares in Q1 2026, an estimated $16.3K.
  • RTX Corp made up 0.07% of Mattern Capital Management's portfolio in Q1 2026, its #130 holding.
  • Mattern Capital Management first reported a position in RTX Corp in Q4 2019 and has held it in 26 quarters since.
  • Mattern Capital Management's RTX Corp position peaked at $8.24M in Q1 2022.
  • 3,445 funds tracked by Wall St. Rank held RTX Corp as of Q1 2026.

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