Why TransDigm Group (TDG) Stock Is Down Today

TransDigm Group (TDG) is down 3.5% today. Here is some analysis on what might have caused this price movement.

Analysis: The most likely driver appears to be a mix of analyst target cuts and lingering investor caution around valuation and leverage rather than a fresh deterioration in the core business. This could be because the company has recently added acquisition activity and refinancing-related debt moves to a story that already trades with a premium multiple.

Details:

TransDigm recently completed its roughly $1.066 billion acquisition of Prince & Izant, adding another proprietary aerospace supplier to its portfolio.

The company also completed a $3.0 billion senior secured notes offering tied to refinancing activity, keeping attention on its balance sheet and interest burden.

Its most recent quarterly update showed strong sales growth, rising EBITDA, and higher full-year guidance, suggesting the sell-off is not obviously tied to weak operating trends.

Several analysts have recently reduced their price targets, which can pressure shares when sentiment is already cautious on highly levered industrial names.

Sources:

SEC, TransDigm Group, Yahoo Finance, TipRanks, StreetInsider

Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

$TDG Insider Trading Activity

$TDG insiders have traded $TDG stock on the open market 218 times in the past 6 months. Of those trades, 0 have been purchases and 218 have been sales.

Here’s a breakdown of recent trading of $TDG stock by insiders over the last 6 months:

W NICHOLAS HOWLEY has made 0 purchases and 92 sales selling 50,660 shares for an estimated $64,956,397.
JOEL REISS (Co-Chief Operating Officer) has made 0 purchases and 126 sales selling 19,700 shares for an estimated $23,123,595.

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

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$TDG Hedge Fund Activity

We have seen 549 institutional investors add shares of $TDG stock to their portfolio, and 485 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

CURATED WEALTH PARTNERS LLC removed 983,332 shares (-100.0%) from their portfolio in Q3 2026, for an estimated $1,064,555,223
JPMORGAN CHASE & CO added 835,113 shares (+inf%) to their portfolio in Q2 2026, for an estimated $1,112,403,920
SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. added 442,904 shares (+inf%) to their portfolio in Q2 2026, for an estimated $589,965,844
CAPITAL INTERNATIONAL INVESTORS removed 432,013 shares (-7.9%) from their portfolio in Q2 2026, for an estimated $575,458,596
CAPITAL WORLD INVESTORS removed 392,382 shares (-8.4%) from their portfolio in Q2 2026, for an estimated $522,668,519
EDGEWOOD MANAGEMENT LLC removed 339,261 shares (-54.9%) from their portfolio in Q2 2026, for an estimated $451,909,222
SELECT EQUITY GROUP, L.P. added 305,287 shares (+636.8%) to their portfolio in Q2 2026, for an estimated $406,654,495

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

$TDG Congressional Stock Trading

Members of Congress have traded $TDG stock 8 times in the past 6 months. Of those trades, 7 have been purchases and 1 have been sales.

Here’s a breakdown of recent trading of $TDG stock by members of Congress over the last 6 months:

REPRESENTATIVE APRIL MCCLAIN DELANEY has traded it 8 times. They made 7 purchases worth up to $105,000 on 07/28, 05/22, 05/21, 05/13, 05/08, 05/07, 04/29 and 1 sale worth up to $250,000 on 08/25.

To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.

$TDG Analyst Ratings

Wall Street analysts have issued reports on $TDG in the last several months. We have seen 1 firms issue buy ratings on the stock, and 0 firms issue sell ratings.

Here are some recent analyst ratings:

UBS issued a "Buy" rating on 05/06/2026

To track analyst ratings and price targets for $TDG, check out Quiver Quantitative's $TDG forecast page.

$TDG Price Targets

Multiple analysts have issued price targets for $TDG recently. We have seen 5 analysts offer price targets for $TDG in the last 6 months, with a median target of $1525.0.

Here are some recent targets:

Michael Goldie from BMO Capital set a target price of $1525.0 on 07/02/2026
Ken Herbert from RBC Capital set a target price of $1350.0 on 05/06/2026
Charles Minervino from Susquehanna set a target price of $1350.0 on 05/06/2026
Jonathan Siegmann from Stifel set a target price of $1525.0 on 05/06/2026
Gavin Parsons from UBS set a target price of $1645.0 on 05/06/2026

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.