Jim Simons's Berkshire Hathaway Inc. (BRK-B) position

Yes: as of Q1 2026, Jim Simons holds 2K shares of BRK-B worth $825K (0.0% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.

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Current value

$825K

Shares held

% of portfolio

0.0%

Est. average buy price (i)

$497.08

Quarter-end price

$479.11

Estimated trade prices

Average price in quarters with purchases: $333.73
Average prices in quarters with sales: Q1 2026: $490.92 (250K shares sold)

Q3 2025: $484.36 (213 shares sold)

Q1 2025: $486.15 (234 shares sold)

Q4 2024: $461.73 (220K shares sold)

Q2 2024: $408.62 (188K shares sold)

Q4 2022: $296.98 (478K shares sold)

Q3 2022: $284.56 (1.3M shares sold)

Q1 2022: $323.46 (869K shares sold)

Q2 2021: $279.44 (364K shares sold)

BRK-B price vs Simons's position

1Y 3Y 5Y MAX

Dates

Average closing price · filing quarter: $490.92
Price range · filing quarter: $468.49 – $509.18

Every quarterly change

Quarter	Action	Shares change	Est. value change	Δ Own	Shares held	Filing date
Q1 2026	Reduced	−250K	−$123M	−99.3%	2K	May 14, 2026
Q4 2025	Added	+249K	+$124M	+8,154.9%	252K	Feb 12, 2026
Q3 2025	Reduced	−213	−$103K	−6.5%	3K	Nov 13, 2025
Q2 2025	Added	+1K	+$626K	+60.5%	3K	Aug 13, 2025
Q1 2025	Reduced	−234	−$114K	−10.3%	2K	May 14, 2025
Q4 2024	Reduced	−220K	−$102M	−99.0%	2K	Feb 13, 2025
Q3 2024	Added	+221K	+$98M	+17,042.9%	223K	Nov 13, 2024
Q2 2024	Reduced	−188K	−$77M	−99.3%	1K	Aug 9, 2024
Q1 2024	New	+190K	+$75M	–	190K	May 13, 2024
Q1 2023	Added	+33K	+$10M	+2,616.4%	34K	May 12, 2023
Q4 2022	Reduced	−478K	−$142M	−99.7%	1K	Feb 13, 2023
Q3 2022	Reduced	−1.3M	−$373M	−73.2%	480K	Nov 14, 2022
Q2 2022	Added	+1.7M	+$539M	+2,370.3%	1.8M	Aug 12, 2022
Q1 2022	Reduced	−869K	−$281M	−92.3%	72K	May 13, 2022
Q4 2021	Added	+796K	+$228M	+546.0%	941K	Feb 11, 2022
Q3 2021	Added	+65K	+$18M	+79.5%	146K	Nov 12, 2021
Q2 2021	Reduced	−364K	−$102M	−81.7%	81K	Aug 13, 2021
Q1 2021	First covered	–	–	–	445K	May 13, 2021

Data through Q1 2026 · filed May 14, 2026

18 grouped rows from 18 quarters

Who else owns BRK-B

Morgan Stanley

owns 1.2% of shares outstanding

Est. $12.9B · Shares: 26.9M

Gates Foundation Trust

View investor →

owns 0.8% of shares outstanding

Est. $8.2B · Shares: 17.0M

JPMorgan Chase & Co

owns 0.8% of shares outstanding

Est. $7.8B · Shares: 16.4M

FMR LLC

owns 0.7% of shares outstanding

Est. $7.2B · Shares: 15.0M

See all owners of BRK-B →

More Simons positions

United Therapeutics Corporation(UTHR)

$1.1B

1.7% of portfolio

Palantir Technologies Inc.(PLTR)

$997M

1.6% of portfolio

Common questions

Does Jim Simons own BRK-B?

Yes. As of Q1 2026, Jim Simons disclosed 2K shares of BRK-B, worth $825K. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy BRK-B?

Jim Simons held BRK-B since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jim Simons sell BRK-B?

The quarter-by-quarter table above shows each sale and reduction Jim Simons disclosed in BRK-B. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of BRK-B does Jim Simons own?

Jim Simons disclosed 2K shares of BRK-B as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for BRK-B?

Jim Simons's estimated average buy price for BRK-B is $497.08, from quarter-average prices weighted by the shares added each quarter. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.