TDG · Industrials

TransDigm Group Inc

Q2 2026: held by 4 giants, composite weight 0.84%, consensus rank 18; this quarter 1 bought and 2 sold. Quarter-end price $1,332 (Jun 30, 2026).

Giants holding

previous quarter 4

Composite weight

0.84%

consensus rank 18

Quarter-end price

$1,332

Jun 30, 2026

Avg est. costest.

$707.76

vs quarter-end price +88%

Held by 4 Giants

Sorted by portfolio weight; click a name for that giant’s holding history.

How to Read This

Est. average cost: shares bought each quarter × (start + end price) ÷ 2, weighted; positions held before Q1 1999 (or the giant’s earliest electronic filing) start from that quarter’s price. 13F does not show actual trade prices.

Giant	Weight	Shares	Value	First bought	Quarters held	Est. avg cost	vs cost	This quarter
Mark Massey	27.5%	875.8K	$1.2B	Q4 2014	47	$442.57est.start point	+201%	Trimmed
Bryan Lawrence	12.0%	24.2K	$32.2M	Q1 2017	38	$443.86est.start point	+200%	Held
C.T. Fitzpatrick	6.9%	170.4K	$227.0M	Q2 2020	25	$699.47est.	+90%	Trimmed
Dan Loeb	2.3%	79.0K	$105.2M	Q1 2026	2	$1,245est.	+7%	Added

Cost Map: 4 of 4 Giants Have an Estimated Cost Below the Quarter-End Price

One row per giant: the dot is the estimated average cost (bigger = heavier weight); the gold line is the latest quarter-end price.

cost below price (paper gain)cost above price (paper loss)quarter-end price

III

Quarter-End Price (Split-Adjusted)

From Q1 2006, the first quarter a giant held it; hover for holders, buyers and sellers that quarter.

How to Read This

Prices are 13F quarter-end value ÷ shares, roughly the quarter’s closing price, not live prices; prices before splits are converted to today’s share count.

More Giants or Fewer

Giants Holding

Buyers and Sellers (Last 20 Quarters)

BoughtSold

Composite Weight (Hover for Rank)

Holding History

Open a giant: when the holding began, which quarters it changed, and how the estimated cost moved. The table lists quarters with trades plus the latest quarter.

How to Read This

In the chart, prices and cost are converted to today’s share count (split-adjusted); the table shows each quarter’s own figures. Est. trade price = (start + end price) ÷ 2, only a rough level.

Mark Massey 27.5% · since Q4 2014

Giant page →

quarter-end pricerunning est. costest. trade price (buy / sell)

Quarter	Move	Change	Shares held	Weight	Start → end price	Est. trade price	Running est. cost
Q2 2026	Trimmed	−33.4K	875.8K	27.5%	$1,159 → $1,332	$1,246	$442.57
Q1 2026	Trimmed	−60.2K	909.2K	25.5%	$1,330 → $1,159	$1,244	$442.57
Q4 2025	Trimmed	−7.0K	969.4K	25.3%	$1,318 → $1,330	$1,324	$442.57
Q1 2025	Trimmed	−20.7K	980.0K	27.3%	$1,267 → $1,383	$1,325	$442.57
Q4 2024	Trimmed	−47.7K	1.00M	25.7%	$1,427 → $1,267	$1,347	$442.57
Q3 2024	Trimmed	−25.0K	1.05M	29.5%	$1,278 → $1,427	$1,352	$442.57
Q2 2024	Trimmed	−83.1K	1.07M	28.2%	$1,232 → $1,278	$1,255	$442.57
Q1 2024	Trimmed	−81.2K	1.16M	30.6%	$1,012 → $1,232	$1,122	$442.57
Q4 2023	Trimmed	−72.5K	1.24M	27.9%	$843.13 → $1,012	$927.37	$442.57
Q3 2023	Trimmed	−47.4K	1.31M	27.7%	$894.17 → $843.13	$868.65	$442.57
Q2 2023	Trimmed	−25.6K	1.36M	29.2%	$737.05 → $894.17	$815.61	$442.57
Q1 2023	Trimmed	−26.6K	1.38M	27.9%	$629.65 → $737.05	$683.35	$442.57
Q4 2022	Trimmed	−92.7K	1.41M	27.9%	$524.82 → $629.65	$577.23	$442.57
Q3 2022	Added	+43.7K	1.50M	25.8%	$536.67 → $524.82	$530.74	$442.57
Q2 2022	Added	+37.4K	1.46M	24.2%	$651.54 → $536.67	$594.10	$439.93
Q1 2022	Added	+70.2K	1.42M	23.6%	$636.28 → $651.54	$643.91	$435.87
Q4 2021	Added	+24.9K	1.35M	22.7%	$624.57 → $636.28	$630.42	$425.06
Q3 2021	Added	+70.0K	1.33M	22.3%	$647.29 → $624.57	$635.93	$421.20
Q2 2021	Added	+303.6K	1.26M	22.5%	$587.92 → $647.29	$617.61	$409.24
Q1 2021	Trimmed	−73.0K	952.6K	21.3%	$618.85 → $587.92	$603.39	$342.82
Q4 2020	Trimmed	−199.4K	1.03M	26.6%	$475.12 → $618.85	$546.99	$342.82
Q3 2020	Added	+32.6K	1.22M	27.5%	$442.05 → $475.12	$458.58	$342.82
Q2 2020	Added	+182.3K	1.19M	27.0%	$320.19 → $442.05	$381.12	$339.66
Q1 2020	Added	+425.1K	1.01M	20.5%	$560.00 → $320.19	$440.10	$332.18
Q3 2019	Trimmed	−21.0K	584.9K	26.4%	$483.80 → $520.67	$502.24	$253.73
Q2 2019	Trimmed	−36.6K	605.9K	25.3%	$453.99 → $483.80	$468.90	$253.73
Q4 2018	Added	+108.1K	642.5K	26.0%	$372.30 → $340.06	$356.18	$253.73
Q1 2018	Trimmed	−45.1K	534.4K	18.8%	$274.62 → $306.94	$290.78	$233.02
Q4 2017	Trimmed	−67.0K	579.5K	20.9%	$255.65 → $274.62	$265.13	$233.02
Q3 2017	Added	+74.4K	646.5K	24.2%	$268.87 → $255.65	$262.26	$233.02
Q2 2017	Added	+36.1K	572.2K	21.7%	$220.16 → $268.87	$244.51	$229.22
Q1 2017	Trimmed	−55.4K	536.1K	17.5%	$248.96 → $220.16	$234.56	$228.19
Q4 2016	Added	+152.4K	591.5K	21.6%	$289.12 → $248.96	$269.04	$228.19

Bryan Lawrence 12.0% · since Q1 2017

Giant page →

quarter-end pricerunning est. costest. trade price (buy / sell)

Quarter	Move	Change	Shares held	Weight	Start → end price	Est. trade price	Running est. cost
Q2 2026	Held	—	24.2K	12.0%	$1,159 → $1,332	—	$443.86
Q3 2025	Added	+2.9K	24.2K	13.7%	$1,521 → $1,318	$1,419	$443.86
Q4 2024	Trimmed	−131	21.3K	13.8%	$1,427 → $1,267	$1,347	$312.06
Q1 2024	Trimmed	−2.9K	21.4K	15.8%	$1,012 → $1,232	$1,122	$312.06
Q3 2023	Trimmed	−8.1K	24.3K	14.1%	$894.17 → $843.13	$868.65	$312.06
Q2 2023	Trimmed	−4.8K	32.4K	19.3%	$737.05 → $894.17	$815.61	$312.06
Q1 2023	Trimmed	−14.5K	37.2K	19.1%	$629.65 → $737.05	$683.35	$312.06
Q4 2022	Trimmed	−4.0K	51.7K	24.3%	$524.82 → $629.65	$577.23	$312.06
Q4 2020	Trimmed	−3.2K	55.7K	13.7%	$475.12 → $618.85	$546.99	$312.06
Q1 2020	Added	+24.6K	58.9K	13.2%	$560.00 → $320.19	$440.10	$312.06
Q2 2019	Trimmed	−5.8K	34.3K	12.2%	$453.99 → $483.80	$468.90	$220.16
Q1 2019	Trimmed	−9.0K	40.1K	13.2%	$340.06 → $453.99	$397.03	$220.16

C.T. Fitzpatrick 6.9% · since Q2 2020

Giant page →

quarter-end pricerunning est. costest. trade price (buy / sell)

Quarter	Move	Change	Shares held	Weight	Start → end price	Est. trade price	Running est. cost
Q2 2026	Trimmed	−13.8K	170.4K	6.9%	$1,159 → $1,332	$1,246	$699.47
Q1 2026	Trimmed	−56.4K	184.2K	5.7%	$1,330 → $1,159	$1,244	$699.47
Q4 2025	Trimmed	−9.0K	240.6K	5.9%	$1,318 → $1,330	$1,324	$699.47
Q3 2025	Added	+18.0K	249.6K	6.0%	$1,521 → $1,318	$1,419	$699.47
Q2 2025	Trimmed	−17.4K	231.6K	6.4%	$1,383 → $1,521	$1,452	$643.37
Q1 2025	Added	+13.3K	249.0K	6.5%	$1,267 → $1,383	$1,325	$643.37
Q4 2024	Added	+40.6K	235.7K	5.0%	$1,427 → $1,267	$1,347	$604.94
Q3 2024	Trimmed	−25.5K	195.1K	4.7%	$1,278 → $1,427	$1,352	$450.40
Q2 2024	Trimmed	−117.2K	220.6K	4.3%	$1,232 → $1,278	$1,255	$450.40
Q1 2024	Trimmed	−49.6K	337.7K	6.0%	$1,012 → $1,232	$1,122	$450.40
Q4 2023	Trimmed	−45.4K	387.4K	5.7%	$843.13 → $1,012	$927.37	$450.40
Q3 2023	Trimmed	−194.1K	432.7K	5.6%	$894.17 → $843.13	$868.65	$450.40
Q2 2023	Trimmed	−64.3K	626.8K	7.0%	$737.05 → $894.17	$815.61	$450.40
Q1 2023	Trimmed	−144.2K	691.2K	6.4%	$629.65 → $737.05	$683.35	$450.40
Q4 2022	Trimmed	−183.7K	835.3K	7.1%	$524.82 → $629.65	$577.23	$450.40
Q3 2022	Trimmed	−211.1K	1.02M	6.3%	$536.67 → $524.82	$530.74	$450.40
Q2 2022	Trimmed	−794.7K	1.23M	6.5%	$651.54 → $536.67	$594.10	$450.40
Q1 2022	Trimmed	−198.6K	2.02M	8.1%	$636.28 → $651.54	$643.91	$450.40
Q4 2021	Added	+179.8K	2.22M	7.2%	$624.57 → $636.28	$630.42	$450.40
Q3 2021	Added	+70.6K	2.04M	6.9%	$647.29 → $624.57	$635.93	$434.56
Q2 2021	Trimmed	−60.8K	1.97M	6.9%	$587.92 → $647.29	$617.61	$427.36
Q1 2021	Added	+35.4K	2.03M	7.1%	$618.85 → $587.92	$603.39	$427.36
Q4 2020	Added	+132.1K	2.00M	8.0%	$475.12 → $618.85	$546.99	$424.24
Q3 2020	Added	+829.7K	1.87M	6.9%	$442.05 → $475.12	$458.58	$415.56
Q2 2020	New	+1.04M	1.04M	3.6%	$320.19 → $442.05	$381.12	$381.12

Dan Loeb 2.3% · since Q1 2026

Giant page →

quarter-end pricerunning est. costest. trade price (buy / sell)

Quarter	Move	Change	Shares held	Weight	Start → end price	Est. trade price	Running est. cost
Q2 2026	Added	+54.0K	79.0K	2.3%	$1,159 → $1,332	$1,246	$1,245
Q1 2026	New	+25.0K	25.0K	1.4%	$1,330 → $1,159	$1,244	$1,244