Cannell & Spears LLC BRK/B — BERKSHIRE HATHAWAY INC DEL CL B COM

Ownership history in Cannell & Spears LLC  ·  74 quarters on record

AI Ownership Summary

Cannell & Spears LLC reported BERKSHIRE HATHAWAY INC DEL CL B COM (BRK/B) in 74 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 4.02% in 2025 Q1. The latest visible filing shows BRK/B at 3.22% 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 Cannell & Spears LLC's position in BERKSHIRE HATHAWAY INC DEL CL B COM, 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 3.22% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
4.02% 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/B stock page Cannell & Spears LLC fund profile Cannell & Spears LLC full holdings
How Cannell & Spears LLC 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 — — — 340,200 +722 +0.2% 3.22% $162.6M 2026-05-14 $469.32
2025 Q4 REDUCED — — — 339,478 -835 -0.2% 3.19% $170.6M 2026-02-17 $503.41
2025 Q3 REDUCED — — — 340,313 -2,039 -0.6% 3.23% $171.1M 2025-11-14 $508.94
2025 Q2 REDUCED — — — 342,352 -8,379 -2.4% 3.36% $166.3M 2025-08-14 $479.22
2025 Q1 REDUCED — — — 350,731 -4,090 -1.2% 4.02% $186.8M 2025-05-14 $503.40
2024 Q4 REDUCED — — — 354,821 -13,999 -3.8% 3.30% $160.8M 2025-02-12 $471.73
2024 Q3 REDUCED — — — 368,820 -4,508 -1.2% 3.34% $169.8M 2024-11-12 $466.29
2024 Q2 REDUCED — — — 373,328 -712 -0.2% 3.15% $151.9M 2024-08-12 $430.39
2024 Q1 ADDED — — — 374,040 +266,299 +247.2% 3.25% $157.3M 2024-05-10 $412.05
2023 Q4 ADDED — — — 107,741 +813 +0.8% 3.06% $38.4M 2024-02-14 $398.68
64 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 Cannell & Spears 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 Cannell & Spears LLC reported owning BRK/B?

Cannell & Spears LLC reported BRK/B across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported BRK/B position in Cannell & Spears LLC's portfolio?

The largest reported portfolio weight for BRK/B was 4.02% 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 Cannell & Spears LLC reported 340,200 shares, equal to 3.22% of portfolio, with an estimated market value of $162.6M.

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

The chart compares Cannell & Spears 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 Cannell & Spears LLC time their BRK/B position?

Based on 13F filing dates vs. subsequent BRK/B price moves, Cannell & Spears LLC correctly timed 29 out of 58 reported position changes (50%). The annualised alpha on BRK/B relative to SPY over the holding period was -1.1%.

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