DF DENT & CO INC

Position in TDG — TransDigm Group INC

CIK 934999 BALTIMORE, MD

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Position in TDG

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$149,109,889

+$6,844,073 QoQ

Shares Held

111,941

-8.8% QoQ

Ownership

0.203%

of shares outstanding

% of Portfolio

5.59%

of 13F equity value

Holder Rank

#54

of 1,142 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in TDG Over Time

Shares Held

Position Value (USD)

Position in Aerospace & Defense

Industrials · as of Jun 30, 2026

DF DENT & CO INC holds $361,806,238 across 6 Aerospace & Defense names. TDG ranks #2 (41.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HEI	Heico Corp	699,176	$180,324,482
2	TDG	TransDigm Group INC This page	111,941	$149,109,889
3	VSEC	Vse Corp	77,573	$17,725,430
4	MRCY	Mercury Systems Inc	113,611	$13,898,033
5	BA	Boeing Co	2,178	$471,471
6	GE	General Electric Co	741	$276,933

All Filings in TDG

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$149,109,889	111,941	-8.8%	Shares	Sole	2026-08-14
2026-03-31	$142,265,816	122,753	-18.0%	Shares	Sole	2026-05-15
2025-12-31	$199,142,377	149,748	-9.9%	Shares	Sole	2026-02-17
2025-09-30	$219,165,637	166,284	+0.3%	Shares	Sole	2025-11-14
2025-06-30	$252,140,359	165,812	-1.3%	Shares	Sole	2025-08-14
2025-03-31	$232,347,071	167,967	-4.1%	Shares	Sole	2025-05-15
2024-12-31	$222,040,128	175,210	-2.7%	Shares	Sole	2025-02-12
2024-09-30	$256,907,661	180,017	-5.6%	Shares	Sole	2024-11-15
2024-06-30	$243,669,612	190,723	-18.4%	Shares	Sole	2024-08-14
2024-03-31	$287,972,712	233,820	-1.9%	Shares	Sole	2024-05-15
2023-12-31	$241,143,184	238,378	-11.3%	Shares	Sole	2024-02-14
2023-09-30	$226,570,952	268,726	-4.3%	Shares	Sole	2023-11-14
2023-06-30	$251,209,013	280,941	-14.3%	Shares	Sole	2023-08-14
2023-03-31	$241,655,109	327,868	-3.0%	Shares	Sole	2023-05-15
2022-12-31	$212,784,550	337,941	-3.4%	Shares	Sole	2023-02-15
2022-09-30	$183,555,795	349,750	-2.2%	Shares	Sole	2022-11-14
2022-06-30	$191,840,204	357,464	-5.5%	Shares	Sole	2022-08-15
2022-03-31	$246,585,737	378,466	+0.4%	Shares	Sole	2022-05-16
2021-12-31	$239,888,376	377,017	+7.6%	Shares	Sole	2022-02-14
2021-09-30	$218,815,601	350,346	+4.1%	Shares	Sole	2021-11-15
2021-06-30	$217,776,189	336,443	+0.2%	Shares	Sole	2021-08-16
2021-03-31	$197,360,628	335,693	+0.8%	Shares	Sole	2021-05-17
2020-12-31	$206,055,390	332,965	-3.5%	Shares	Sole	2021-02-16
2020-09-30	$163,861,286	344,884	+5.0%	Shares	Sole	2020-11-16
2020-06-30	$145,201,931	328,474	+2.4%	Shares	Sole	2020-08-14
2020-03-31	$102,690,056	320,716	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.