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Ken Griffin's First Business Financial Services, Inc. (FBIZ) position

Yes: as of Q1 2026, Ken Griffin holds 4K shares of FBIZ worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was opened. First disclosed Q2 2021.
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Current value
an amount we cannot price
Shares held
4K
% of portfolio
0.0%
Quarter-end price
No quarter-end price available

Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.

FBIZ price vs Griffin's position

Dates
$65.5$66$66.5$67← Earlier —6 purchases, 1 sell
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 New +4K 4K May 15, 2026
Q2 2025 New +13K 13K Aug 14, 2025
Q4 2024 New +5K 5K Feb 14, 2025
Q3 2022 Reduced −9K −49.2% 10K Nov 14, 2022
Q2 2022 Added +9K +99.4% 19K Aug 15, 2022
Q1 2022 New +9K 9K May 16, 2022
Q2 2021 New +10K 10K Aug 16, 2021
Data through Q1 2026 · filed May 15, 2026
7 grouped rows from 7 quarters

More Griffin positions

Common questions

Does Ken Griffin own FBIZ?

Yes. As of Q1 2026, Ken Griffin disclosed 4K shares of FBIZ, worth an amount we cannot price. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy FBIZ?

Ken Griffin first disclosed a FBIZ 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 FBIZ?

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

How many shares of FBIZ does Ken Griffin own?

Ken Griffin disclosed 4K shares of FBIZ 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 FBIZ?

Ken Griffin began building the FBIZ 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.