Atalan Capital Partners, LP TDG — TRANSDIGM GROUP INC

Ownership history in Atalan Capital Partners, LP  ·  26 quarters on record

AI Ownership Summary

Atalan Capital Partners, LP reported TRANSDIGM GROUP INC (TDG) in 26 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 17.82% in 2023 Q4. The latest visible filing shows TDG at 9.03% 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 Atalan Capital Partners, LP'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
2026 Q1

TDG was reported at 9.03% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
17.82% in 2023 Q4

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 2026 Q1

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.

TDG stock page Atalan Capital Partners, LP fund profile Atalan Capital Partners, LP full holdings
How Atalan Capital Partners, LP held TDG — position size vs. price
% of Fund (quarterly)    TDG price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 84,500 -3,150 -3.6% 9.03% $97.9M 2026-05-15 $1148.97
2025 Q4 REDUCED 5.5% -12.8% ✅ 87,650 -5,100 -5.5% 8.29% $116.6M 2026-02-17 $1302.11
2025 Q3 ADDED — — — 92,750 +2,750 +3.1% 8.53% $122.2M 2025-11-14 $1340.60
2025 Q2 UNCHANGED — — — 90,000 — 0% 10.51% $136.9M 2025-08-14 $1321.84
2025 Q1 REDUCED 12.6% +9.9% ❌ 90,000 -13,000 -12.6% 11.83% $124.5M 2025-05-15 $1315.19
2024 Q4 UNCHANGED — — — 103,000 — 0% 12.99% $130.5M 2025-02-14 $1229.64
2024 Q3 REDUCED 9.3% -5.3% ✅ 103,000 -10,500 -9.3% 12.64% $147.0M 2024-11-14 $1189.89
2024 Q2 REDUCED 24.3% +11.7% ❌ 113,500 -36,500 -24.3% 13.52% $145.0M 2024-08-14 $1106.31
2024 Q1 REDUCED 25.0% +1.7% ❌ 150,000 -50,000 -25.0% 15.27% $184.7M 2024-05-15 $1142.50
2023 Q4 REDUCED 20.8% +20.0% ❌ 200,000 -52,680 -20.8% 17.82% $202.3M 2024-02-14 $1016.60
16 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding TDG

As of 2026 Q1 — sorted by position size

BRX Global LP 3Y 46.98% Ampfield Management, L.P. 3Y 35.09% ALTAROCK PARTNERS LP 3Y 7Y 25.54% Anabranch Capital Management, LP 3Y 21.96% Blacksheep Fund Management Ltd 3Y 21.45% Bluegrass Capital Partners LP 3Y 16.37% Triple Frond Partners LLC 3Y 7Y 12.82% Oakcliff Capital Partners, LP 3Y 7Y 12.36% Stockbridge Partners LLC 3Y 7Y 12.16% Heard Capital LLC 3Y 10.7%

FAQ About Atalan Capital Partners, LP and TDG

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

How long has Atalan Capital Partners, LP reported owning TDG?

Atalan Capital Partners, LP reported TDG across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported TDG position in Atalan Capital Partners, LP's portfolio?

The largest reported portfolio weight for TDG was 17.82% in 2023 Q4.

What is the latest reported TDG position on this page?

The most recent filing on this page is 2026 Q1, when Atalan Capital Partners, LP reported 84,500 shares, equal to 9.03% of portfolio, with an estimated market value of $97.9M.

What does the chart on this TDG ownership page compare?

The chart compares Atalan Capital Partners, LP'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.

How well did Atalan Capital Partners, LP time their TDG position?

Based on 13F filing dates vs. subsequent TDG price moves, Atalan Capital Partners, LP correctly timed 7 out of 20 reported position changes (35%). The annualised alpha on TDG relative to SPY over the holding period was -1.8%.

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