Numerai GP LLC AXP — AMERICAN EXPRESS CO

Ownership history in Numerai GP LLC  ·  5 quarters on record

AI Ownership Summary

Numerai GP LLC reported AMERICAN EXPRESS CO (AXP) in 5 quarterly 13F filings from 2024 Q3 through 2026 Q1. Peak portfolio weight reached 0.53% in 2026 Q1. The latest visible filing shows AXP at 0.53% 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 AXP ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Numerai GP LLC's position in AMERICAN EXPRESS CO, 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

AXP was reported at 0.53% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.53% 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 Q3 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.

AXP stock page Numerai GP LLC fund profile Numerai GP LLC full holdings
How Numerai GP LLC held AXP — position size vs. price
% of Fund (quarterly)    AXP 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 — — — 17,394 +14,745 +556.6% 0.53% $5.3M 2026-05-15 $313.48
2025 Q4 UNCHANGED — — — 2,649 — 0% 0.12% $980K 2026-02-17 $343.44
2025 Q3 REDUCED — — — 2,649 -66 -2.4% 0.12% $880K 2025-11-14 $355.27
2024 Q4 REDUCED 27.9% -9.1% ✅ 2,715 -1,050 -27.9% 0.22% $806K 2025-02-14 $306.79
2024 Q3 INITIATED — — — 3,765 — — 0.27% $1.0M 2024-11-14 $283.70

🏢 Other funds also holding AXP

As of 2026 Q1 — sorted by position size

BERKSHIRE HATHAWAY INC 3Y 7Y 17.43% Aquamarine Zurich AG 3Y 14.53% Rothschild & Co Wealth Management UK Ltd 3Y 13.17% BIRCH FINANCIAL GROUP, LLC 11.08% S&G Foundation 10.29% LB Partners LLC 8.14% MFF Capital Investments Ltd 8.01% GFI Investment Counsel Ltd. 3Y 7Y 7.85% Long Corridor Asset Management Ltd 3Y 7.21% CACTI ASSET MANAGEMENT LLC 3Y 7Y 7.16%

FAQ About Numerai GP LLC and AXP

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

How long has Numerai GP LLC reported owning AXP?

Numerai GP LLC reported AXP across 5 quarterly 13F filings, from 2024 Q3 through 2026 Q1.

What was the largest reported AXP position in Numerai GP LLC's portfolio?

The largest reported portfolio weight for AXP was 0.53% in 2026 Q1.

What is the latest reported AXP position on this page?

The most recent filing on this page is 2026 Q1, when Numerai GP LLC reported 17,394 shares, equal to 0.53% of portfolio, with an estimated market value of $5.3M.

What does the chart on this AXP ownership page compare?

The chart compares Numerai GP LLC's quarterly AXP 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 Numerai GP LLC time their AXP position?

Based on 13F filing dates vs. subsequent AXP price moves, Numerai GP LLC correctly timed 2 out of 3 reported position changes (67%). The annualised alpha on AXP relative to SPY over the holding period was -21.2%.

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