Save your place

Sign in to WhoBought

Please try again later.

Ken Griffin's Flexible Solutions International, Inc. (FSI) position

Yes: as of Q1 2026, Ken Griffin holds 37K shares of FSI worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was increased by 6.9%. First disclosed Q2 2021.
View full portfolio →
Current value
an amount we cannot price
Shares held
37K
% 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.

FSI price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$5$5.5$6← Earlier —9 purchases, 2 sells
Average closing price · filing quarter
—
Price range · filing quarter
—
Sign in to see who bought

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +2K – +6.9% 37K May 15, 2026
Q4 2025 New +35K – – 35K Feb 17, 2026
Q2 2025 Reduced −7K – −22.7% 25K Aug 14, 2025
Q1 2025 Added +9K – +37.1% 32K May 15, 2025
Q4 2024 Added +3K – +12.6% 23K Feb 14, 2025
Q3 2024 New +21K – – 21K Nov 14, 2024
Q1 2024 New +22K – – 22K May 15, 2024
Q3 2023 Reduced −1K – −5.5% 24K Nov 14, 2023
Q2 2023 New +25K – – 25K Aug 14, 2023
Q3 2021 Added +8K – +64.7% 21K Nov 15, 2021
Q2 2021 New +13K – – 13K Aug 16, 2021
Data through Q1 2026 · filed May 15, 2026
11 grouped rows from 11 quarters

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 FSI?

Yes. As of Q1 2026, Ken Griffin disclosed 37K shares of FSI, 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 FSI?

Ken Griffin first disclosed a FSI 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 FSI?

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

How many shares of FSI does Ken Griffin own?

Ken Griffin disclosed 37K shares of FSI 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 FSI?

Ken Griffin began building the FSI 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.