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Ken Griffin's BankUnited, Inc. (BKU) position

Yes: as of Q1 2026, Ken Griffin holds 605K shares of BKU worth $27M (0.0% of the disclosed portfolio). Last quarter the position was reduced by 42.8%. First disclosed Q2 2021.
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Current value
$27M
Shares held
605K
% of portfolio
0.0%
Est. average buy price (i)
$41.41
Quarter-end price
$45.16

Estimated trade prices

Average price in quarters with purchases
$34.86
Average prices in quarters with sales
  • Q1 2026: $46.68 (453K shares sold)
  • Q1 2024: $27.96 (72 shares sold)
  • Q4 2023: $25.92 (32K shares sold)
  • Q3 2023: $25.63 (111K shares sold)
  • Q1 2023: $32.58 (215K shares sold)
  • Q3 2021: $40.93 (10K shares sold)

BKU price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$10$20$40$6020222023202420252026Sold 10K shares (56.2%) · Q3 2021. Average closing price $40.93 · Price range $37.46–$43.4310KsharessoldAdded 2K shares (22.4%) · Q4 2021. Average closing price $41.89 · Price range $39.03–$43.672KsharespurchasedNew position of 25K shares · Q2 2022. Average closing price $39.62 · Price range $34.80–$44.1725KsharespurchasedAdded 237K shares (930.9%) · Q3 2022. Average closing price $37.40 · Price range $34.08–$41.09237KsharespurchasedAdded 147K shares (56.0%) · Q4 2022. Average closing price $35.31 · Price range $32.53–$38.46147KsharespurchasedSold 215K shares (52.4%) · Q1 2023. Average closing price $32.58 · Price range $21.27–$39.93215KsharessoldAdded 10K shares (5.1%) · Q2 2023. Average closing price $20.58 · Price range $16.38–$23.4510KsharespurchasedSold 111K shares (54.1%) · Q3 2023. Average closing price $25.63 · Price range $21.24–$29.86111KsharessoldSold 32K shares (34.4%) · Q4 2023. Average closing price $25.92 · Price range $21.24–$33.0032KsharessoldSold 72 shares (0.1%) · Q1 2024. Average closing price $27.96 · Price range $24.88–$32.4972sharessoldAdded 777K shares (over 1,000%) · Q2 2024. Average closing price $27.83 · Price range $24.48–$30.18777KsharespurchasedNew position of 54K shares · Q1 2025. Average closing price $37.71 · Price range $31.36–$41.6354KsharespurchasedAdded 1.9M shares (over 1,000%) · Q2 2025. Average closing price $33.58 · Price range $29.48–$36.331.9MsharespurchasedNew position of 1.1M shares · Q4 2025. Average closing price $41.41 · Price range $35.36–$46.271.1MsharespurchasedSold 453K shares (42.8%) · Q1 2026. Average closing price $46.68 · Price range $42.58–$50.93453Ksharessold← Earlier —1 purchase
Average closing price · filing quarter
$46.68
Price range · filing quarter
$42.58 – $50.93
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −453K −$21M −42.8% 605K May 15, 2026
Q4 2025 New +1.1M +$44M – 1.1M Feb 17, 2026
Q2 2025 Added +1.9M +$65M +3,531.9% 2.0M Aug 14, 2025
Q1 2025 New +54K +$2.1M – 54K May 15, 2025
Q2 2024 Added +777K +$22M +1,258.8% 838K Aug 14, 2024
Q1 2024 Reduced −72 −$2K −0.1% 62K May 15, 2024
Q4 2023 Reduced −32K −$839K −34.4% 62K Feb 14, 2024
Q3 2023 Reduced −111K −$2.8M −54.1% 94K Nov 14, 2023
Q2 2023 Added +10K +$206K +5.1% 205K Aug 14, 2023
Q1 2023 Reduced −215K −$7.0M −52.4% 195K May 15, 2023
Q4 2022 Added +147K +$5.2M +56.0% 410K Feb 14, 2023
Q3 2022 Added +237K +$8.9M +930.9% 263K Nov 14, 2022
Q2 2022 New +25K +$1.0M – 25K Aug 15, 2022
Q4 2021 Added +2K +$73K +22.4% 10K Feb 14, 2022
Q3 2021 Reduced −10K −$412K −56.2% 8K Nov 15, 2021
Q2 2021 New +18K +$817K – 18K Aug 16, 2021
Data through Q1 2026 · filed May 15, 2026
16 grouped rows from 16 quarters

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Common questions

Does Ken Griffin own BKU?

Yes. As of Q1 2026, Ken Griffin disclosed 605K shares of BKU, worth $27M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy BKU?

Ken Griffin first disclosed a BKU position in Q2 2021; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Ken Griffin sell BKU?

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

How many shares of BKU does Ken Griffin own?

Ken Griffin disclosed 605K shares of BKU 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 BKU?

Ken Griffin's estimated average buy price for BKU is $41.41, 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.