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Ken Griffin's Berkshire Hathaway Inc. (BRK-B) position

Yes: as of Q1 2026, Ken Griffin holds 1.2M shares of BRK-B worth $572M (0.4% 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
$572M
Shares held
1.2M
% of portfolio
0.4%
Est. average buy price (i)
$494.75
est. since Q1 2021
Quarter-end price
$479.11

Estimated trade prices

Average price in quarters with purchases
$367.45
Average prices in quarters with sales
  • Q1 2025: $486.15 (162K shares sold)
  • Q3 2024: $442.18 (246K shares sold)
  • Q1 2024: $393.34 (27K shares sold)
  • Q1 2023: $308.18 (802K shares sold)
  • Q1 2022: $323.46 (293K shares sold)
  • Q3 2021: $280.86 (877K shares sold)

BRK-B price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$200$400$60020222023202420252026Sold 877K shares (72.8%) · Q3 2021. Average closing price $280.86 · Price range $272.66–$291.28877KsharessoldAdded 151K shares (46.3%) · Q4 2021. Average closing price $286.41 · Price range $273.64–$300.17151KsharespurchasedSold 293K shares (61.3%) · Q1 2022. Average closing price $323.46 · Price range $300.79–$359.57293KsharessoldAdded 14K shares (7.7%) · Q2 2022. Average closing price $313.72 · Price range $267.52–$353.1014KsharespurchasedAdded 2K shares (1.1%) · Q3 2022. Average closing price $284.56 · Price range $264.32–$306.652KsharespurchasedAdded 606K shares (301.0%) · Q4 2022. Average closing price $296.98 · Price range $264.00–$318.60606KsharespurchasedSold 802K shares (99.4%) · Q1 2023. Average closing price $308.18 · Price range $293.51–$320.37802KsharessoldAdded 200K shares (over 1,000%) · Q2 2023. Average closing price $326.37 · Price range $309.07–$341.00200KsharespurchasedAdded 120K shares (58.4%) · Q3 2023. Average closing price $354.77 · Price range $340.90–$370.48120KsharespurchasedAdded 43K shares (13.1%) · Q4 2023. Average closing price $350.99 · Price range $331.71–$362.6843KsharespurchasedSold 27K shares (7.5%) · Q1 2024. Average closing price $393.34 · Price range $359.29–$420.5227KsharessoldAdded 43K shares (12.8%) · Q2 2024. Average closing price $408.62 · Price range $396.73–$420.2443KsharespurchasedSold 246K shares (63.9%) · Q3 2024. Average closing price $442.18 · Price range $405.19–$478.57246KsharessoldAdded 45K shares (32.2%) · Q4 2024. Average closing price $461.73 · Price range $442.29–$483.0845KsharespurchasedSold 162K shares (88.4%) · Q1 2025. Average closing price $486.15 · Price range $442.66–$534.52162KsharessoldAdded 252K shares (over 1,000%) · Q2 2025. Average closing price $507.86 · Price range $483.48–$539.80252KsharespurchasedAdded 173K shares (63.4%) · Q3 2025. Average closing price $484.36 · Price range $459.11–$506.91173KsharespurchasedAdded 600K shares (134.1%) · Q4 2025. Average closing price $497.45 · Price range $475.68–$513.81600KsharespurchasedAdded 147K shares (14.0%) · Q1 2026. Average closing price $490.92 · Price range $468.49–$509.18147Ksharespurchased← Earlier —1 purchase
Average closing price · filing quarter
$490.92
Price range · filing quarter
$468.49 – $509.18
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +147K +$72M +14.0% 1.2M May 15, 2026
Q4 2025 Added +600K +$298M +134.1% 1.0M Feb 17, 2026
Q3 2025 Added +173K +$84M +63.4% 447K Nov 14, 2025
Q2 2025 Added +252K +$128M +1,188.2% 274K Aug 14, 2025
Q1 2025 Reduced −162K −$79M −88.4% 21K May 15, 2025
Q4 2024 Added +45K +$21M +32.2% 183K Feb 14, 2025
Q3 2024 Reduced −246K −$109M −63.9% 139K Nov 14, 2024
Q2 2024 Added +43K +$18M +12.8% 384K Aug 14, 2024
Q1 2024 Reduced −27K −$11M −7.5% 341K May 15, 2024
Q4 2023 Added +43K +$15M +13.1% 368K Feb 14, 2024
Q3 2023 Added +120K +$43M +58.4% 325K Nov 14, 2023
Q2 2023 Added +200K +$65M +3,911.8% 205K Aug 14, 2023
Q1 2023 Reduced −802K −$247M −99.4% 5K May 15, 2023
Q4 2022 Added +606K +$180M +301.0% 807K Feb 14, 2023
Q3 2022 Added +2K +$608K +1.1% 201K Nov 14, 2022
Q2 2022 Added +14K +$4.5M +7.7% 199K Aug 15, 2022
Q1 2022 Reduced −293K −$95M −61.3% 185K May 16, 2022
Q4 2021 Added +151K +$43M +46.3% 478K Feb 14, 2022
Q3 2021 Reduced −877K −$246M −72.8% 327K Nov 15, 2021
Q2 2021 Added +1.0M +$290M +632.4% 1.2M Aug 16, 2021
Q1 2021 First covered – – – 164K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
21 grouped rows from 21 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 Griffin positions

NVIDIA Corporation(NVDA)
$3.2B
2.3% of portfolio

Amazon.com, Inc.(AMZN)
$1.7B
1.2% of portfolio

Micron Technology, Inc.(MU)
$1.6B
1.1% of portfolio

Taiwan Semiconductor Manufacturing Company Limited(TSM)
$1.4B
1.0% of portfolio

Apple Inc.(AAPL)
$1.3B
0.9% of portfolio

Meta Platforms, Inc.(META)
$1.0B
0.7% of portfolio

Common questions

Does Ken Griffin own BRK-B?

Yes. As of Q1 2026, Ken Griffin disclosed 1.2M shares of BRK-B, worth $572M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy BRK-B?

Ken Griffin 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 Ken Griffin sell BRK-B?

The quarter-by-quarter table above shows each sale and reduction Ken Griffin 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 Ken Griffin own?

Ken Griffin disclosed 1.2M 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 Ken Griffin pay for BRK-B?

Ken Griffin began building the BRK-B position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. 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.