TDG β€” Transdigm Group Inc

Ownership history in WINDACRE PARTNERSHIP LLC  Β·  35 quarters on record

AI Ownership Summary

WINDACRE PARTNERSHIP LLC reported Transdigm Group Inc (TDG) in 35 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 14.97% in 2025 Q1. The latest visible filing shows TDG at 8.07% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this TDG ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was WINDACRE PARTNERSHIP LLC's position in Transdigm Group Inc, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

TDG was reported at 8.07% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
14.97% in 2025 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How WINDACRE PARTNERSHIP LLC held TDG β€” position size vs. price
% of Fund (quarterly)    TDG price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 9 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 566,100 -46,400 -7.6% 8.07% $752.8M 2026-02-14 (Est.) $1286.67
2025 Q3 REDUCED 612,500 -100,200 -14.1% 10.10% $807.3M 2025-11-14 $1340.60
2025 Q2 REDUCED 712,700 -9,300 -1.3% 14.85% $1.08B 2025-08-14 $1321.84
2025 Q1 REDUCED 722,000 -31,997 -4.2% 14.97% $998.7M 2025-05-15 $1315.19
2024 Q4 ADDED 753,997 +25,997 +3.6% 14.01% $955.5M 2025-02-14 $1229.64
2024 Q3 ADDED 728,000 +217,700 +42.7% 13.81% $1.04B 2024-11-14 $1189.89
2024 Q2 ADDED 510,300 +12,300 +2.5% 8.58% $652.0M 2024-08-14 $1106.31
2024 Q1 REDUCED 498,000 -82,200 -14.2% 8.43% $613.3M 2024-05-15 $1142.50
2023 Q4 ADDED 580,200 +16,900 +3.0% 8.91% $586.9M 2024-02-14 $1016.60
26 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding TDG

As of 2026 Q1 β€” sorted by position size

Signature Wealth Management Group 3Y 7Y 0.41% NEVILLE RODIE & SHAW INC 3Y 7Y 0.04%

FAQ About WINDACRE PARTNERSHIP LLC and TDG

These are the practical questions this page is built to answer before you even open the full history table.

How long has WINDACRE PARTNERSHIP LLC reported owning TDG?

WINDACRE PARTNERSHIP LLC reported TDG across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported TDG position in WINDACRE PARTNERSHIP LLC's portfolio?

The largest reported portfolio weight for TDG was 14.97% in 2025 Q1.

What is the latest reported TDG position on this page?

The most recent filing on this page is 2025 Q4, when WINDACRE PARTNERSHIP LLC reported 566,100 shares, equal to 8.07% of portfolio, with an estimated market value of $752.8M.

What does the chart on this TDG ownership page compare?

The chart compares WINDACRE PARTNERSHIP LLC's quarterly TDG portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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