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Ken Griffin's Ultralife Corporation (ULBI) position

Yes: as of Q1 2026, Ken Griffin holds 41K shares of ULBI worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was reduced by 55.2%. First disclosed Q4 2022.
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Current value
an amount we cannot price
Shares held
41K
% 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.

ULBI price vs Griffin's position

Dates
$5.2$5.4$5.6← Earlier —9 purchases, 5 sells
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 −51K −55.2% 41K May 15, 2026
Q4 2025 Added +11K +13.8% 92K Feb 17, 2026
Q3 2025 Added +36K +78.9% 81K Nov 14, 2025
Q2 2025 Reduced −31K −40.6% 45K Aug 14, 2025
Q1 2025 Added +23K +44.6% 76K May 15, 2025
Q4 2024 Reduced −39K −42.5% 53K Feb 14, 2025
Q3 2024 Added +19K +26.9% 92K Nov 14, 2024
Q2 2024 Added +26K +55.0% 72K Aug 14, 2024
Q1 2024 Added +9K +24.0% 47K May 15, 2024
Q4 2023 Added +22K +134.5% 38K Feb 14, 2024
Q3 2023 Reduced −609 −3.7% 16K Nov 14, 2023
Q2 2023 Reduced −13K −43.2% 17K Aug 14, 2023
Q1 2023 Added +9K +46.0% 29K May 15, 2023
Q4 2022 New +20K 20K Feb 14, 2023
Data through Q1 2026 · filed May 15, 2026
14 grouped rows from 14 quarters

More Griffin positions

Common questions

Does Ken Griffin own ULBI?

Yes. As of Q1 2026, Ken Griffin disclosed 41K shares of ULBI, 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 ULBI?

Ken Griffin first disclosed a ULBI position in Q4 2022; 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 ULBI?

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

How many shares of ULBI does Ken Griffin own?

Ken Griffin disclosed 41K shares of ULBI 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 ULBI?

Ken Griffin began building the ULBI 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.