M3F, Inc. AER AERCAP HOLDINGS NV SHS

Ownership history in M3F, Inc.  ·  5 quarters on record

AI Ownership Summary

M3F, Inc. reported AERCAP HOLDINGS NV SHS (AER) in 5 quarterly 13F filings from 2025 Q1 through 2026 Q1. Peak portfolio weight reached 8.23% in 2025 Q4. The latest visible filing shows AER at 8.09% 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.

What this AER ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was M3F, Inc.'s position in AERCAP HOLDINGS NV SHS, 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

AER was reported at 8.09% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
8.23% in 2025 Q4

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

Time in book
Holding Window
2025 Q1 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.

How M3F, Inc. held AER — position size vs. price
% of Fund (quarterly)    AER price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 5 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED 238,000 +29,500 +14.1% 8.09% $33K 2026-04-28 $137.13
2025 Q4 UNCHANGED 208,500 0% 8.23% $30.0M 2026-02-13 $150.02
2025 Q3 ADDED 208,500 +31,000 +17.5% 7.15% $25.2M 2025-11-12 $137.30
2025 Q2 ADDED 177,500 +5,000 +2.9% 5.86% $20.8M 2025-08-13 $113.45
2025 Q1 INITIATED 172,500 4.84% $17.6M 2025-05-14 $112.15

FAQ About M3F, Inc. and AER

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

How long has M3F, Inc. reported owning AER?

M3F, Inc. reported AER across 5 quarterly 13F filings, from 2025 Q1 through 2026 Q1.

What was the largest reported AER position in M3F, Inc.'s portfolio?

The largest reported portfolio weight for AER was 8.23% in 2025 Q4.

What is the latest reported AER position on this page?

The most recent filing on this page is 2026 Q1, when M3F, Inc. reported 238,000 shares, equal to 8.09% of portfolio, with an estimated market value of $33K.

What does the chart on this AER ownership page compare?

The chart compares M3F, Inc.'s quarterly AER 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 M3F, Inc. time their AER position?

Based on 13F filing dates vs. subsequent AER price moves, M3F, Inc. correctly timed 3 out of 3 reported position changes (100%). The annualised alpha on AER relative to SPY over the holding period was -0.2%.

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