O'Brien Greene & Co. Inc OMAB — GRUPO AEROPORTUARIO

Ownership history in O'Brien Greene & Co. Inc  ·  22 quarters on record

AI Ownership Summary

O'Brien Greene & Co. Inc reported GRUPO AEROPORTUARIO (OMAB) in 22 quarterly 13F filings from 2024 Q1 through 2026 Q2. Peak portfolio weight reached 0.21% in 2025 Q2. The latest visible filing shows OMAB at 0.19% 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 OMAB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was O'Brien Greene & Co. Inc's position in GRUPO AEROPORTUARIO, 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 Q2

OMAB was reported at 0.19% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.21% in 2025 Q2

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

Time in book
Holding Window
2024 Q1 to 2026 Q2

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.

OMAB stock page O'Brien Greene & Co. Inc fund profile O'Brien Greene & Co. Inc full holdings
How O'Brien Greene & Co. Inc held OMAB — position size vs. price
% of Fund (quarterly)    OMAB 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 Q2 UNCHANGED — — — 6,207 — 0% 0.19% $702K 2026-08-06 $111.21
2026 Q1 ADDED — — — 6,207 +60 +1.0% 0.20% $712K 2026-05-06 $103.62
2025 Q4 ADDED — — — 6,147 +200 +3.4% 0.20% $669K 2026-02-05 $116.20
2025 Q3 UNCHANGED — — — 5,947 — 0% 0.19% $618K 2025-11-10 $98.45
2025 Q2 UNCHANGED — — — 5,947 — 0% 0.21% $627K 2025-08-06 $103.04
2025 Q1 REDUCED 16.5% +37.4% ❌ 5,947 -1,175 -16.5% 0.16% $468K 2025-05-12 $88.62
2024 Q4 REDUCED — — — 7,122 -47 -0.7% 0.16% $489K 2025-02-03 $72.09
2024 Q3 REDUCED — — — 7,169 -330 -4.4% 0.15% $486K 2024-11-15 $56.50
2024 Q2 ADDED — — — 7,499 +152 +2.1% 0.16% $507K 2024-08-12 $57.77
2024 Q1 ADDED — — — 7,347 +20 +0.3% 0.19% $581K 2024-05-02 $76.26
12 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding OMAB

As of 2026 Q2 — sorted by position size

Malaga Cove Capital, LLC 3Y 7Y 0.79% Sage Investment Counsel LLC 0.79% Partners Group Holding AG 3Y 7Y 0.6% TEALWOOD ASSET MANAGEMENT INC 3Y 7Y 0.47% U S GLOBAL INVESTORS INC 3Y 7Y 0.46% Templeton & Phillips Capital Management, LLC 3Y 0.41% OPAL CAPITAL LLC 0.35% Meixler Investment Management, Ltd. 3Y 0.34% Hunter Perkins Capital Management, LLC 3Y 0.31% TrueMark Investments, LLC 0.25%

FAQ About O'Brien Greene & Co. Inc and OMAB

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

How long has O'Brien Greene & Co. Inc reported owning OMAB?

O'Brien Greene & Co. Inc reported OMAB across 10 quarterly 13F filings, from 2024 Q1 through 2026 Q2.

What was the largest reported OMAB position in O'Brien Greene & Co. Inc's portfolio?

The largest reported portfolio weight for OMAB was 0.21% in 2025 Q2.

What is the latest reported OMAB position on this page?

The most recent filing on this page is 2026 Q2, when O'Brien Greene & Co. Inc reported 6,207 shares, equal to 0.19% of portfolio, with an estimated market value of $702K.

What does the chart on this OMAB ownership page compare?

The chart compares O'Brien Greene & Co. Inc's quarterly OMAB 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 O'Brien Greene & Co. Inc time their OMAB position?

Based on 13F filing dates vs. subsequent OMAB price moves, O'Brien Greene & Co. Inc correctly timed 7 out of 18 reported position changes (39%). The annualised alpha on OMAB relative to SPY over the holding period was +8.8%.

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