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Ampfield Management’s TransDigm Group TDG Stock Holding History

Ampfield Management’s Portfolio TDG Stock Details TDG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$28.6M Sell
21,473
-2,990
-12% -$3.67M 28.54% 2
2026
Q1 		$28.4M Sell
24,463
-8,527
-26% -$11.2M 35.09% 1
2025
Q4 		$43.9M Hold
32,990
– – 65.8% 1
2025
Q3 		$43.5M Sell
32,990
-315
-0.9% -$450K 48.46% 1
2025
Q2 		$50.6M Sell
33,305
-660
-2% -$927K 37.84% 1
2025
Q1 		$47M Sell
33,965
-7,577
-18% -$10.1M 55.31% 1
2024
Q4 		$52.6M Sell
41,542
-1,208
-3% -$1.59M 54.8% 1
2024
Q3 		$61M Hold
42,750
– – 63.6% 1
2024
Q2 		$54.6M Sell
42,750
-479
-1% -$614K 50.33% 1
2024
Q1 		$53.2M Hold
43,229
– – 36.84% 2
2023
Q4 		$43.7M Hold
43,229
– – 28.54% 2
2023
Q3 		$36.4M Hold
43,229
– – 32.61% 2
2023
Q2 		$38.7M Hold
43,229
– – 27.63% 2
2023
Q1 		$31.9M Buy
43,229
+15,206
+54% +$10.9M 21.41% 3
2022
Q4 		$17.6M Buy
28,023
+4,906
+21% +$2.89M 18.08% 3
2022
Q3 		$12.1M Hold
23,117
– – 17.64% 3
2022
Q2 		$12.4M Sell
23,117
-4,010
-15% -$2.37M 19.26% 3
2022
Q1 		$17.7M Sell
27,127
-28,277
-51% -$18.2M 20.36% 3
2021
Q4 		$35.3M Sell
55,404
-14,446
-21% -$9.04M 34.35% 2
2021
Q3 		$43.6M Buy
69,850
+3,111
+5% +$1.94M 38.06% 1
2021
Q2 		$43.2M Buy
66,739
+19,777
+42% +$12.4M 35.29% 1
2021
Q1 		$27.6M Buy
+46,962
New +$27.7M 23.38% 2

Other funds holding TDG

Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Ampfield Management's TDG Position: Q2 2026 in Review

Ampfield Management reduced its TransDigm Group (TDG) stake by 12% in Q2 2026, selling an estimated $3.67M and leaving 21,473 shares worth $28.6M. The position accounts for 28.54% of the portfolio, ranked #2.

Ampfield Management first reported a position in TDG in Q1 2021 and has held it in 22 quarters since. The position peaked at $61M in Q3 2024. 1,141 funds tracked by Wall St. Rank hold TDG as of Q2 2026.

  • Ampfield Management held 21,473 shares of TransDigm Group worth $28.6M as of Q2 2026.
  • Ampfield Management sold 2,990 TransDigm Group shares in Q2 2026, an estimated $3.67M.
  • TransDigm Group made up 28.54% of Ampfield Management's portfolio in Q2 2026, its #2 holding.
  • Ampfield Management first reported a position in TransDigm Group in Q1 2021 and has held it in 22 quarters since.
  • Ampfield Management's TransDigm Group position peaked at $61M in Q3 2024.
  • 1,141 funds tracked by Wall St. Rank held TransDigm Group as of Q2 2026.

Based on Ampfield Management's 13F filing for Q2 2026, filed 30 Jul 2026.