BARR E S & CO BRK/A — D Berkshire Hathaway A Common

Ownership history in BARR E S & CO  ·  109 quarters on record

AI Ownership Summary

BARR E S & CO reported D Berkshire Hathaway A Common (BRK/A) in 109 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 1.7% in 2025 Q1. The latest visible filing shows BRK/A at 1.21% 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 BRK/A ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was BARR E S & CO's position in D Berkshire Hathaway A Common, 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

BRK/A was reported at 1.21% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.7% in 2025 Q1

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

Time in book
Holding Window
2023 Q4 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.

BRK/A stock page BARR E S & CO fund profile BARR E S & CO full holdings
How BARR E S & CO held BRK/A — position size vs. price
% of Fund (quarterly)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 UNCHANGED — — — 29 — 0% 1.21% $20.8M 2026-05-13 $704760.00
2025 Q4 UNCHANGED — — — 29 — 0% 1.14% $21.9M 2026-02-05 $756943.00
2025 Q3 REDUCED — — — 29 -3 -9.4% 1.19% $21.9M 2025-11-12 $756363.00
2025 Q2 REDUCED — — — 32 -3 -8.6% 1.34% $23.3M 2025-08-12 $704700.00
2025 Q1 UNCHANGED — — — 35 — 0% 1.70% $27.9M 2025-05-15 $759100.00
2024 Q4 UNCHANGED — — — 35 — 0% 1.41% $23.8M 2025-02-13 $721500.00
2024 Q3 UNCHANGED — — — 35 — 0% 1.51% $24.2M 2024-11-14 $700600.00
2024 Q2 UNCHANGED — — — 35 — 0% 1.41% $21.4M 2024-08-14 $657122.00
2024 Q1 UNCHANGED — — — 35 — 0% 1.45% $22.2M 2024-05-15 $622815.00
2023 Q4 REDUCED — — — 35 -2 -5.4% 1.29% $19.0M 2024-02-09 $599090.00
99 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding BRK/A

As of 2026 Q1 — sorted by position size

NORTHWESTERN UNIVERSITY 3Y 7Y 92.11% Mirae Asset Global Investments Co., Ltd. 3Y 7Y 88.4% Graham Holdings Co Master Retirement Trust 3Y 84.28% University of Maryland Foundation, Inc. 3Y 56.32% Hikari Tsushin, Inc. 3Y 7Y 55.8% Rede Wealth, LLC 3Y 53.73% Hikari Power Ltd 3Y 7Y 47.49% Baldwin Investment Management, LLC 3Y 7Y 46.58% Canton Hathaway, LLC 3Y 7Y 42.02% Punch Card Management L.P. 3Y 7Y 38.47%

FAQ About BARR E S & CO and BRK/A

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

How long has BARR E S & CO reported owning BRK/A?

BARR E S & CO reported BRK/A across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported BRK/A position in BARR E S & CO's portfolio?

The largest reported portfolio weight for BRK/A was 1.70% in 2025 Q1.

What is the latest reported BRK/A position on this page?

The most recent filing on this page is 2026 Q1, when BARR E S & CO reported 29 shares, equal to 1.21% of portfolio, with an estimated market value of $20.8M.

What does the chart on this BRK/A ownership page compare?

The chart compares BARR E S & CO's quarterly BRK/A 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 BARR E S & CO time their BRK/A position?

Based on 13F filing dates vs. subsequent BRK/A price moves, BARR E S & CO correctly timed 8 out of 31 reported position changes (26%).

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