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Ken Griffin's Frontier Group Holdings, Inc. (ULCC) position

Yes: as of Q1 2026, Ken Griffin holds 536K shares of ULCC worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was reduced by 5.5%. First disclosed Q2 2021.
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Current value
an amount we cannot price
Shares held
536K
% 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.

ULCC price vs Griffin's position

Dates
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 Reduced −31K −5.5% 536K May 15, 2026
Q4 2025 Reduced −678K −54.5% 567K Feb 17, 2026
Q3 2025 Added +1.0M +490.3% 1.2M Nov 14, 2025
Q2 2025 Reduced −102K −32.5% 211K Aug 14, 2025
Q1 2025 New +313K 313K May 15, 2025
Q3 2024 New +807K 807K Nov 14, 2024
Q1 2024 Added +454K +103.7% 892K May 15, 2024
Q4 2023 Added +168K +62.4% 438K Feb 14, 2024
Q3 2023 Reduced −206K −43.3% 270K Nov 14, 2023
Q2 2023 Reduced −827K −63.5% 476K Aug 14, 2023
Q1 2023 Added +544K +71.7% 1.3M May 15, 2023
Q4 2022 Added +369K +94.4% 759K Feb 14, 2023
Q3 2022 Reduced −65K −14.3% 390K Nov 14, 2022
Q2 2022 Added +37K +8.9% 455K Aug 15, 2022
Q1 2022 Added +153K +57.6% 418K May 16, 2022
Q4 2021 Added +254K +2,116.6% 266K Feb 14, 2022
Q3 2021 Reduced −95K −88.8% 12K Nov 15, 2021
Q2 2021 New +107K 107K Aug 16, 2021
Data through Q1 2026 · filed May 15, 2026
18 grouped rows from 18 quarters

More Griffin positions

Common questions

Does Ken Griffin own ULCC?

Yes. As of Q1 2026, Ken Griffin disclosed 536K shares of ULCC, 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 ULCC?

Ken Griffin first disclosed a ULCC 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 ULCC?

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

How many shares of ULCC does Ken Griffin own?

Ken Griffin disclosed 536K shares of ULCC 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 ULCC?

Ken Griffin began building the ULCC 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.