Cromwell Holdings LLC BRK/B — Berkshire Hathaway Inc. CL B NEW

Ownership history in Cromwell Holdings LLC  ·  8 quarters on record

AI Ownership Summary

Cromwell Holdings LLC reported Berkshire Hathaway Inc. CL B NEW (BRK/B) in 8 quarterly 13F filings from 2024 Q2 through 2026 Q1. Peak portfolio weight reached 1.74% in 2025 Q1. The latest visible filing shows BRK/B at 1.37% 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 BRK/B ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Cromwell Holdings LLC's position in Berkshire Hathaway Inc. CL B NEW, 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/B was reported at 1.37% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.74% 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
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.

BRK/B stock page Cromwell Holdings LLC fund profile Cromwell Holdings LLC full holdings
How Cromwell Holdings LLC held BRK/B — position size vs. price
% of Fund (quarterly)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 UNCHANGED — — — 5,073 — 0% 1.37% $2.4M 2026-04-30 $469.32
2025 Q4 UNCHANGED — — — 5,073 — 0% 1.39% $2.5M 2026-01-20 $485.39
2025 Q3 UNCHANGED — — — 5,073 — 0% 1.36% $2.6M 2025-10-24 $492.10
2025 Q2 UNCHANGED — — — 5,073 — 0% 1.49% $2.5M 2025-07-21 $474.41
2025 Q1 UNCHANGED — — — 5,073 — 0% 1.74% $2.7M 2025-05-01 $530.23
2024 Q4 UNCHANGED — — — 5,073 — 0% 1.33% $2.3M 2025-02-03 $464.61
2024 Q3 UNCHANGED — — — 5,073 — 0% 1.50% $2.3M 2024-10-23 $460.61
2024 Q2 INITIATED — — — 5,073 — — 1.23% $2.1M 2024-08-14 $438.47

🏢 Other funds also holding BRK/B

As of 2026 Q1 — sorted by position size

TETRAD CORP 92.15% 1922 Investment Co LLC 3Y 7Y 84.86% CHECK CAPITAL MANAGEMENT INC/CA 3Y 7Y 52.8% Cook & Bynum Capital Management, LLC 3Y 7Y 42.7% Templeton & Phillips Capital Management, LLC 3Y 36.02% Aquamarine Zurich AG 3Y 34.57% Ardent Capital Management, Inc. 3Y 32.73% Asset Management Advisors, LLC 3Y 7Y 32.43% United American Securities Inc. (d/b/a UAS Asset Management) 3Y 7Y 31.97% Pacifica Capital Investments, LLC 3Y 7Y 30.79%

FAQ About Cromwell Holdings LLC and BRK/B

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

How long has Cromwell Holdings LLC reported owning BRK/B?

Cromwell Holdings LLC reported BRK/B across 8 quarterly 13F filings, from 2024 Q2 through 2026 Q1.

What was the largest reported BRK/B position in Cromwell Holdings LLC's portfolio?

The largest reported portfolio weight for BRK/B was 1.74% in 2025 Q1.

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

The most recent filing on this page is 2026 Q1, when Cromwell Holdings LLC reported 5,073 shares, equal to 1.37% of portfolio, with an estimated market value of $2.4M.

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

The chart compares Cromwell Holdings LLC's quarterly BRK/B 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.

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