PRICE T ROWE ASSOCIATES INC /MD/ BRK/B — BERKSHIRE HATHAWAY INC. COMM STK

Ownership history in PRICE T ROWE ASSOCIATES INC /MD/  ·  110 quarters on record

AI Ownership Summary

PRICE T ROWE ASSOCIATES INC /MD/ reported BERKSHIRE HATHAWAY INC. COMM STK (BRK/B) in 110 quarterly 13F filings from 2024 Q1 through 2026 Q2. Peak portfolio weight reached 0.73% in 2025 Q1. The latest visible filing shows BRK/B at 0.49% 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 PRICE T ROWE ASSOCIATES INC /MD/'s position in BERKSHIRE HATHAWAY INC. COMM STK, 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 Q2

BRK/B was reported at 0.49% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.73% 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 Q1 to 2026 Q2

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 PRICE T ROWE ASSOCIATES INC /MD/ fund profile PRICE T ROWE ASSOCIATES INC /MD/ full holdings
How PRICE T ROWE ASSOCIATES INC /MD/ 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 Q2 REDUCED — — — 9,769,546 -54,384 -0.6% 0.49% $4.9M 2026-08-14 $469.32
2026 Q1 REDUCED — — — 9,823,930 -21,979 -0.2% 0.54% $4.7M 2026-05-15 $469.32
2025 Q4 REDUCED — — — 9,845,909 -337,892 -3.3% 0.53% $4.9M 2026-02-17 $503.41
2025 Q3 REDUCED — — — 10,183,801 -33,183 -0.3% 0.55% $5.1M 2025-11-14 $508.94
2025 Q2 REDUCED — — — 10,216,984 -926,316 -8.3% 0.56% $5.0M 2025-08-14 $479.22
2025 Q1 ADDED — — — 11,143,300 +787,961 +7.6% 0.73% $5.9M 2025-05-14 $503.40
2024 Q4 REDUCED — — — 10,355,339 -624,169 -5.7% 0.54% $4.7M 2025-02-14 $479.59
2024 Q3 REDUCED — — — 10,979,508 -5,666 -0.1% 0.58% $5.1M 2024-11-14 $467.70
2024 Q2 ADDED — — — 10,985,174 +173,802 +1.6% 0.53% $4.5M 2024-08-14 $438.47
2024 Q1 REDUCED — — — 10,811,372 -345,737 -3.1% 0.56% $4.5M 2024-05-15 $412.76
100 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding BRK/B

As of 2026 Q2 — sorted by position size

TETRAD CORP 92.03% Pangea Capital Gestao de Recursos Ltda. 81.45% 1922 Investment Co LLC 3Y 7Y 74.85% Daniel Investment Group, Inc. 56.49% CHECK CAPITAL MANAGEMENT INC/CA 3Y 7Y 55.27% Cook & Bynum Capital Management, LLC 3Y 7Y 41.17% Aquamarine Zurich AG 3Y 33.89% Templeton & Phillips Capital Management, LLC 3Y 33.67% Ardent Capital Management, Inc. 3Y 32.92% Pacifica Capital Investments, LLC 3Y 7Y 32.2%

FAQ About PRICE T ROWE ASSOCIATES INC /MD/ 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 PRICE T ROWE ASSOCIATES INC /MD/ reported owning BRK/B?

PRICE T ROWE ASSOCIATES INC /MD/ reported BRK/B across 10 quarterly 13F filings, from 2024 Q1 through 2026 Q2.

What was the largest reported BRK/B position in PRICE T ROWE ASSOCIATES INC /MD/'s portfolio?

The largest reported portfolio weight for BRK/B was 0.73% in 2025 Q1.

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

The most recent filing on this page is 2026 Q2, when PRICE T ROWE ASSOCIATES INC /MD/ reported 9,769,546 shares, equal to 0.49% of portfolio, with an estimated market value of $4.9M.

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

The chart compares PRICE T ROWE ASSOCIATES INC /MD/'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 PRICE T ROWE ASSOCIATES INC /MD/ time their BRK/B position?

Based on 13F filing dates vs. subsequent BRK/B price moves, PRICE T ROWE ASSOCIATES INC /MD/ correctly timed 51 out of 106 reported position changes (48%). The annualised alpha on BRK/B relative to SPY over the holding period was +0.3%.

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