JPMORGAN CHASE & CO BRK/B — 0 BERKSHIRE HATHAWAY INC DEL

Ownership history in JPMORGAN CHASE & CO  ·  108 quarters on record

AI Ownership Summary

JPMORGAN CHASE & CO reported 0 BERKSHIRE HATHAWAY INC DEL (BRK/B) in 108 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.63% in 2025 Q1. The latest visible filing shows BRK/B at 0.41% 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 JPMORGAN CHASE & CO's position in 0 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 0.41% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.63% 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 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 JPMORGAN CHASE & CO fund profile JPMORGAN CHASE & CO full holdings
How JPMORGAN CHASE & CO 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 ADDED — — — 12,883,585 +300,024 +2.4% 0.41% $6.48B 2026-02-11 $500.02
2025 Q3 REDUCED — — — 12,583,561 -1,177,092 -8.6% 0.38% $6.33B 2025-11-14 (Est.) $508.94
2025 Q2 REDUCED — — — 13,760,653 -2,442,915 -15.1% 0.44% $6.68B 2025-08-14 (Est.) $479.22
2025 Q1 ADDED — — — 16,203,568 +1,674,126 +11.5% 0.63% $8.63B 2025-05-12 $514.30
2024 Q4 ADDED — — — 14,529,442 +504,643 +3.6% 0.49% $6.59B 2025-02-12 $471.73
2024 Q3 ADDED — — — 14,024,799 +3,409,587 +32.1% 0.49% $6.46B 2024-11-08 $463.41
2024 Q2 ADDED — — — 10,615,212 +145,358 +1.4% 0.35% $4.32B 2024-08-12 $430.39
2024 Q1 ADDED — — — 10,469,854 +321,933 +3.2% 0.37% $4.40B 2024-05-10 $412.05
2023 Q4 ADDED — — — 10,147,921 +577,227 +6.0% 0.35% $3.62B 2024-02-12 $397.71
99 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 JPMORGAN CHASE & 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 JPMORGAN CHASE & CO reported owning BRK/B?

JPMORGAN CHASE & CO reported BRK/B across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported BRK/B position in JPMORGAN CHASE & CO's portfolio?

The largest reported portfolio weight for BRK/B was 0.63% in 2025 Q1.

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

The most recent filing on this page is 2025 Q4, when JPMORGAN CHASE & CO reported 12,883,585 shares, equal to 0.41% of portfolio, with an estimated market value of $6.48B.

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

The chart compares JPMORGAN CHASE & 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 JPMORGAN CHASE & CO time their BRK/B position?

Based on 13F filing dates vs. subsequent BRK/B price moves, JPMORGAN CHASE & CO correctly timed 59 out of 104 reported position changes (57%). The annualised alpha on BRK/B relative to SPY over the holding period was +0.8%.

← Back to JPMORGAN CHASE & CO Holdings