WULFF, HANSEN & CO. BRK/B — BERKSHIRE HATHAWAY INC DEL

Ownership history in WULFF, HANSEN & CO.  ·  18 quarters on record

AI Ownership Summary

WULFF, HANSEN & CO. reported BERKSHIRE HATHAWAY INC DEL (BRK/B) in 18 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 2.44% in 2024 Q1. The latest visible filing shows BRK/B at 1.87% 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/B ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was WULFF, HANSEN & CO.'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
2026 Q1

BRK/B was reported at 1.87% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
2.44% in 2024 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/B stock page WULFF, HANSEN & CO. fund profile WULFF, HANSEN & CO. full holdings
How WULFF, HANSEN & CO. held BRK/B — 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 ADDED — — — 3,822 +60 +1.6% 1.87% $1.8M 2026-05-07 $469.32
2025 Q4 REDUCED — — — 3,762 -70 -1.8% 1.59% $1.9M 2026-02-03 $493.74
2025 Q3 REDUCED — — — 3,832 -280 -6.8% 1.66% $1.9M 2025-11-07 $499.06
2025 Q2 REDUCED — — — 4,112 -85 -2.0% 1.71% $2.0M 2025-08-12 $470.39
2025 Q1 REDUCED — — — 4,197 -400 -8.7% 2.04% $2.2M 2025-05-14 $503.40
2024 Q4 REDUCED — — — 4,597 -100 -2.1% 1.97% $2.1M 2025-02-11 $472.61
2024 Q3 REDUCED — — — 4,697 -2,361,659 -99.8% 1.96% $2.2M 2024-11-12 $466.29
2024 Q2 ADDED — — — 2,366,356 +2,360,539 +40580.0% 0.51% $5.8M 2024-08-09 $431.67
2024 Q1 ADDED — — — 5,817 +885 +17.9% 2.44% $2.4M 2024-05-02 $400.60
2023 Q4 UNCHANGED — — — 4,932 — 0% 1.95% $1.8M 2024-02-12 $397.71
8 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 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 WULFF, HANSEN & CO. 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 WULFF, HANSEN & CO. reported owning BRK/B?

WULFF, HANSEN & CO. reported BRK/B across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported BRK/B position in WULFF, HANSEN & CO.'s portfolio?

The largest reported portfolio weight for BRK/B was 2.44% in 2024 Q1.

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

The most recent filing on this page is 2026 Q1, when WULFF, HANSEN & CO. reported 3,822 shares, equal to 1.87% of portfolio, with an estimated market value of $1.8M.

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

The chart compares WULFF, HANSEN & CO.'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 WULFF, HANSEN & CO. time their BRK/B position?

Based on 13F filing dates vs. subsequent BRK/B price moves, WULFF, HANSEN & CO. correctly timed 6 out of 13 reported position changes (46%). The annualised alpha on BRK/B relative to SPY over the holding period was -3.9%.

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