Corebridge Financial, Inc. MKTX — MARKETAXESS HOLDINGS INC

Ownership history in Corebridge Financial, Inc.  ·  5 quarters on record

AI Ownership Summary

Corebridge Financial, Inc. reported MARKETAXESS HOLDINGS INC (MKTX) in 5 quarterly 13F filings from 2024 Q2 through 2026 Q2. Peak portfolio weight reached 100.0% in 2026 Q2. The latest visible filing shows MKTX at 100.00% 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 MKTX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Corebridge Financial, Inc.'s position in MARKETAXESS HOLDINGS INC, 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

MKTX was reported at 100.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
100.0% in 2026 Q2

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 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.

MKTX stock page Corebridge Financial, Inc. fund profile Corebridge Financial, Inc. full holdings
How Corebridge Financial, Inc. held MKTX — position size vs. price
% of Fund (quarterly)    MKTX 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 Q2 ADDED — — — 38,650 +29,991 +346.4% 100.00% $4.2M 2026-08-05 $162.41
2025 Q1 REDUCED — — — 8,659 -263 -2.9% 0.01% $1.9M 2025-05-14 $206.27
2024 Q4 REDUCED — — — 8,922 -445 -4.8% 0.01% $2.0M 2025-02-11 $190.31
2024 Q3 REDUCED — — — 9,367 -309 -3.2% 0.01% $2.4M 2024-11-13 $259.62
2024 Q2 INITIATED — — — 9,676 — — 0.01% $1.9M 2024-08-14 $233.43

🏢 Other funds also holding MKTX

As of 2026 Q2 — sorted by position size

GUARDCAP ASSET MANAGEMENT Ltd 3Y 7Y 4.42% WILSON ASSET MANAGEMENT (INTERNATIONAL) PTY LTD 3Y 1.4% Alpha Omega Wealth Management LLC 3Y 7Y 1.06% Hunter Perkins Capital Management, LLC 3Y 0.58% denkapparat Operations GmbH 0.39% COOKE & BIELER LP 3Y 7Y 0.31% Unique Wealth Strategies, LLC 0.16% Y-Intercept (Hong Kong) Ltd 3Y 0.12% WALLED LAKE PLANNING & WEALTH MANAGEMENT, LLC 3Y 0.09% Bayforest Capital Ltd 0.08%

FAQ About Corebridge Financial, Inc. and MKTX

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

How long has Corebridge Financial, Inc. reported owning MKTX?

Corebridge Financial, Inc. reported MKTX across 5 quarterly 13F filings, from 2024 Q2 through 2026 Q2.

What was the largest reported MKTX position in Corebridge Financial, Inc.'s portfolio?

The largest reported portfolio weight for MKTX was 100.00% in 2026 Q2.

What is the latest reported MKTX position on this page?

The most recent filing on this page is 2026 Q2, when Corebridge Financial, Inc. reported 38,650 shares, equal to 100.00% of portfolio, with an estimated market value of $4.2M.

What does the chart on this MKTX ownership page compare?

The chart compares Corebridge Financial, Inc.'s quarterly MKTX 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 Corebridge Financial, Inc. time their MKTX position?

Based on 13F filing dates vs. subsequent MKTX price moves, Corebridge Financial, Inc. correctly timed 3 out of 4 reported position changes (75%). The annualised alpha on MKTX relative to SPY over the holding period was -24.6%.

← Back to Corebridge Financial, Inc. Holdings