CHICAGO TRUST Co NA AIBGY β€” AIB GROUP PLC

Ownership history in CHICAGO TRUST Co NA  Β·  8 quarters on record

AI Ownership Summary

CHICAGO TRUST Co NA reported AIB GROUP PLC (AIBGY) in 8 quarterly 13F filings from 2024 Q2 through 2026 Q1. Peak portfolio weight reached 0.13% in 2026 Q1. The latest visible filing shows AIBGY at 0.13% 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 AIBGY ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CHICAGO TRUST Co NA's position in AIB GROUP PLC, 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

AIBGY was reported at 0.13% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.13% in 2026 Q1

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

Time in book
Holding Window
2024 Q2 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.

AIBGY stock page CHICAGO TRUST Co NA fund profile CHICAGO TRUST Co NA full holdings
How CHICAGO TRUST Co NA held AIBGY β€” position size vs. price
% of Fund (quarterly)    AIBGY price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
πŸ“‹ Quarterly Holdings History 8 quarters  β–Ύ
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED β€” β€” β€” 39,318 +1,561 +4.1% 0.13% $817K 2026-04-24 $22.10
2025 Q4 REDUCED 13.0% +3.7% ❌ 37,757 -5,627 -13.0% 0.13% $816K 2026-02-17 $19.47
2025 Q3 ADDED β€” β€” β€” 43,384 +8,798 +25.4% 0.11% $787K 2025-10-10 $16.70
2025 Q2 ADDED β€” β€” β€” 34,586 +563 +1.7% 0.08% $567K 2025-07-14 $14.94
2025 Q1 REDUCED 5.2% +25.8% ❌ 34,023 -1,864 -5.2% 0.08% $437K 2025-04-14 $12.13
2024 Q4 REDUCED β€” β€” β€” 35,887 -308 -0.9% 0.07% $396K 2025-01-13 $10.31
2024 Q3 ADDED β€” β€” β€” 36,195 +3,554 +10.9% 0.07% $416K 2024-10-10 $9.94
2024 Q2 INITIATED β€” β€” β€” 32,641 β€” β€” 0.07% $345K 2024-07-11 $10.17

🏒 Other funds also holding AIBGY

As of 2026 Q1 β€” sorted by position size

GAMMA Investing LLC 0.01%

FAQ About CHICAGO TRUST Co NA and AIBGY

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

How long has CHICAGO TRUST Co NA reported owning AIBGY?

CHICAGO TRUST Co NA reported AIBGY across 8 quarterly 13F filings, from 2024 Q2 through 2026 Q1.

What was the largest reported AIBGY position in CHICAGO TRUST Co NA's portfolio?

The largest reported portfolio weight for AIBGY was 0.13% in 2026 Q1.

What is the latest reported AIBGY position on this page?

The most recent filing on this page is 2026 Q1, when CHICAGO TRUST Co NA reported 39,318 shares, equal to 0.13% of portfolio, with an estimated market value of $817K.

What does the chart on this AIBGY ownership page compare?

The chart compares CHICAGO TRUST Co NA's quarterly AIBGY 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 CHICAGO TRUST Co NA time their AIBGY position?

Based on 13F filing dates vs. subsequent AIBGY price moves, CHICAGO TRUST Co NA correctly timed 3 out of 7 reported position changes (43%). The annualised alpha on AIBGY relative to SPY over the holding period was +32.8%.

← Back to CHICAGO TRUST Co NA Holdings