John Overdeck’s TransDigm Group TDG Stock Holding History

John Overdeck’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	$1.33M	Buy	+1,000	New	+$1.23M	﹤0.01%	3382
2021 Q2	–	Sell	-1,000	Closed	-$588K	–	4549
2021 Q1	$588K	Sell	1,000 -1,400	-58%	-$825K	﹤0.01%	2786
2020 Q4	$1.49M	Buy	+2,400	New	+$1.32M	﹤0.01%	1706
2020 Q2	–	Sell	-1,000	Closed	-$320K	–	3510
2020 Q1	$320K	Hold	1,000	–	–	﹤0.01%	2252
2019 Q4	$560K	Sell	1,000 -3,300	-77%	-$1.81M	﹤0.01%	2704
2019 Q3	$2.24M	Buy	+4,300	New	+$2.2M	0.01%	1348
2018 Q4	–	Sell	-2,800	Closed	-$1.04M	–	3512
2018 Q3	$1.04M	Sell	2,800 -1,200	-30%	-$432K	﹤0.01%	1948
2018 Q2	$1.38M	Sell	4,000 -8,000	-67%	-$2.63M	﹤0.01%	1892
2018 Q1	$3.68M	Buy	12,000 +4,000	+50%	+$1.18M	0.01%	1130
2017 Q4	$2.2M	Buy	+8,000	New	+$2.17M	0.01%	1409
2017 Q2	–	Sell	-2,000	Closed	-$440K	–	3266
2017 Q1	$440K	Buy	+2,000	New	+$477K	﹤0.01%	2412
2016 Q4	–	Sell	-1,800	Closed	-$520K	–	3503
2016 Q3	$520K	Buy	+1,800	New	+$505K	﹤0.01%	2411

Other funds holding TDG

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

John Overdeck's TDG Position: Q2 2026 in Review

John Overdeck opened a new position in TransDigm Group (TDG) in Q2 2026: 44,914 shares worth $59.8M. The stake represents 0.04% of the portfolio and ranks #491 among its holdings. This is a return to the name: John Overdeck previously reported a position in TDG as recently as Q4 2024.

John Overdeck first reported a position in TDG in Q2 2013 and has held it in 31 quarters since. The position peaked at $114M in Q2 2018. 1,138 funds tracked by Wall St. Rank hold TDG as of Q2 2026.

John Overdeck held 44,914 shares of TransDigm Group worth $59.8M as of Q2 2026.
TransDigm Group was a new John Overdeck position in Q2 2026.
TransDigm Group made up 0.04% of John Overdeck's portfolio in Q2 2026, its #491 holding.
John Overdeck first reported a position in TransDigm Group in Q2 2013 and has held it in 31 quarters since.
John Overdeck's TransDigm Group position peaked at $114M in Q2 2018.
1,138 funds tracked by Wall St. Rank held TransDigm Group as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.