ATLAS Infrastructure Partners (UK) Ltd. EIX EDISON INTL

Ownership history in ATLAS Infrastructure Partners (UK) Ltd.  ·  16 quarters on record

AI Ownership Summary

ATLAS Infrastructure Partners (UK) Ltd. reported EDISON INTL (EIX) in 16 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 31.26% in 2024 Q3. The latest visible filing shows EIX at 11.73% 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 EIX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was ATLAS Infrastructure Partners (UK) Ltd.'s position in EDISON INTL, 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

EIX was reported at 11.73% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
31.26% in 2024 Q3

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 ATLAS Infrastructure Partners (UK) Ltd. held EIX — position size vs. price
% of Fund (quarterly)    EIX price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 9.2% +23.7% 3,898,924 -395,820 -9.2% 11.73% $234.0M 2026-02-14 (Est.) $70.61
2025 Q3 ADDED 4,294,744 +9,664 +0.2% 12.76% $237.4M 2025-11-14 $57.17
2025 Q2 REDUCED 4,285,080 -110,652 -2.5% 15.74% $221.1M 2025-08-14 $53.72
2025 Q1 ADDED 4,395,732 +2,916,645 +197.2% 18.22% $259.0M 2025-05-15 $54.37
2024 Q4 REDUCED 71.4% -25.4% 1,479,087 -3,696,431 -71.4% 28.35% $118.1M 2025-02-14 $46.54
2024 Q3 ADDED 5,175,518 +45,176 +0.9% 31.26% $450.7M 2024-11-14 $75.54
2024 Q2 REDUCED 6.4% +22.6% 5,130,342 -352,409 -6.4% 30.61% $368.4M 2024-08-12 $75.12
2024 Q1 ADDED 5,482,751 +23,687 +0.4% 26.20% $387.8M 2024-05-13 $67.12
2023 Q4 ADDED 5,459,064 +122,355 +2.3% 29.55% $390.3M 2024-02-14 $57.97
7 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About ATLAS Infrastructure Partners (UK) Ltd. and EIX

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

How long has ATLAS Infrastructure Partners (UK) Ltd. reported owning EIX?

ATLAS Infrastructure Partners (UK) Ltd. reported EIX across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported EIX position in ATLAS Infrastructure Partners (UK) Ltd.'s portfolio?

The largest reported portfolio weight for EIX was 31.26% in 2024 Q3.

What is the latest reported EIX position on this page?

The most recent filing on this page is 2025 Q4, when ATLAS Infrastructure Partners (UK) Ltd. reported 3,898,924 shares, equal to 11.73% of portfolio, with an estimated market value of $234.0M.

What does the chart on this EIX ownership page compare?

The chart compares ATLAS Infrastructure Partners (UK) Ltd.'s quarterly EIX 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 ATLAS Infrastructure Partners (UK) Ltd. time their EIX position?

Based on 13F filing dates vs. subsequent EIX price moves, ATLAS Infrastructure Partners (UK) Ltd. correctly timed 8 out of 15 reported position changes (53%). The annualised alpha on EIX relative to SPY over the holding period was -8.5%.

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