Maren Capital LLC BRK/B — BERKSHIRE HATHAWAY INC DEL

Ownership history in Maren Capital LLC  ·  9 quarters on record

AI Ownership Summary

Maren Capital LLC reported BERKSHIRE HATHAWAY INC DEL (BRK/B) in 9 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.04% in 2023 Q4. The latest visible filing shows BRK/B at 0.01% 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 Maren Capital LLC's position in BERKSHIRE HATHAWAY INC DEL, 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
2025 Q4

BRK/B was reported at 0.01% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.04% in 2023 Q4

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 2025 Q4

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 Maren Capital LLC fund profile Maren Capital LLC full holdings
How Maren Capital LLC held BRK/B — position size vs. price
% of Fund (quarterly)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED — — — 465 -210 -31.1% 0.01% $234K 2026-02-13 $497.55
2025 Q3 UNCHANGED — — — 675 — 0% 0.02% $339K 2025-11-13 $513.11
2025 Q2 REDUCED — — — 675 -25 -3.6% 0.02% $328K 2025-08-13 $477.31
2025 Q1 UNCHANGED — — — 700 — 0% 0.03% $373K 2025-05-14 $503.40
2024 Q4 UNCHANGED — — — 700 — 0% 0.02% $317K 2025-02-13 $480.49
2024 Q3 REDUCED — — — 700 -100 -12.5% 0.03% $322K 2024-11-14 $467.70
2024 Q2 UNCHANGED — — — 800 — 0% 0.03% $325K 2024-08-14 $438.47
2024 Q1 UNCHANGED — — — 800 — 0% 0.03% $336K 2024-05-14 $410.24
2023 Q4 INITIATED — — — 800 — — 0.04% $285K 2024-02-13 $394.80

🏢 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 Maren Capital 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 Maren Capital LLC reported owning BRK/B?

Maren Capital LLC reported BRK/B across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported BRK/B position in Maren Capital LLC's portfolio?

The largest reported portfolio weight for BRK/B was 0.04% in 2023 Q4.

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

The most recent filing on this page is 2025 Q4, when Maren Capital LLC reported 465 shares, equal to 0.01% of portfolio, with an estimated market value of $234K.

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

The chart compares Maren Capital 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.

How well did Maren Capital LLC time their BRK/B position?

Based on 13F filing dates vs. subsequent BRK/B price moves, Maren Capital LLC correctly timed 1 out of 3 reported position changes (33%). The annualised alpha on BRK/B relative to SPY over the holding period was -5.6%.

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