HAZLETT, BURT & WATSON, INC. BRK/B — BERKSHIRE HATHAWAY INC DEL

Ownership history in HAZLETT, BURT & WATSON, INC.  ·  17 quarters on record

AI Ownership Summary

HAZLETT, BURT & WATSON, INC. reported BERKSHIRE HATHAWAY INC DEL (BRK/B) in 17 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 1.57% in 2024 Q1. The latest visible filing shows BRK/B at 1.03% 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 HAZLETT, BURT & WATSON, INC.'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 1.03% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.57% 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 HAZLETT, BURT & WATSON, INC. fund profile HAZLETT, BURT & WATSON, INC. full holdings
How HAZLETT, BURT & WATSON, INC. 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 — — — 6,880 +10 +0.1% 1.03% $3K 2026-05-14 $469.32
2025 Q4 ADDED — — — 6,870 +151 +2.2% 1.10% $3.5M 2026-02-10 $500.30
2025 Q3 ADDED — — — 6,719 +263 +4.1% 1.19% $3.4M 2025-11-04 $487.66
2025 Q2 ADDED — — — 6,456 +134 +2.1% 1.28% $3.1M 2025-07-25 $484.07
2025 Q1 REDUCED — — — 6,322 -35 -0.6% 1.51% $3.4M 2025-05-05 $512.15
2024 Q4 REDUCED — — — 6,357 -8 -0.1% 1.27% $2.9M 2025-02-12 $471.73
2024 Q3 ADDED — — — 6,365 +104 +1.7% 1.35% $2.9M 2024-10-30 $454.96
2024 Q2 ADDED — — — 6,261 +40 +0.6% 1.31% $2.5M 2024-08-07 $427.02
2024 Q1 ADDED — — — 6,221 +184 +3.0% 1.57% $2.6M 2024-04-29 $400.96
2023 Q4 ADDED — — — 6,037 +89 +1.5% 1.45% $2.2M 2024-01-25 $380.85
7 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 HAZLETT, BURT & WATSON, INC. 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 HAZLETT, BURT & WATSON, INC. reported owning BRK/B?

HAZLETT, BURT & WATSON, INC. reported BRK/B across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported BRK/B position in HAZLETT, BURT & WATSON, INC.'s portfolio?

The largest reported portfolio weight for BRK/B was 1.57% 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 HAZLETT, BURT & WATSON, INC. reported 6,880 shares, equal to 1.03% of portfolio, with an estimated market value of $3K.

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

The chart compares HAZLETT, BURT & WATSON, INC.'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 HAZLETT, BURT & WATSON, INC. time their BRK/B position?

Based on 13F filing dates vs. subsequent BRK/B price moves, HAZLETT, BURT & WATSON, INC. correctly timed 11 out of 15 reported position changes (73%). The annualised alpha on BRK/B relative to SPY over the holding period was -6.3%.

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