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Ken Griffin's Backblaze, Inc. (BLZE) position

Yes: as of Q1 2026, Ken Griffin holds 305K shares of BLZE worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was increased by 117.7%. First disclosed Q4 2021.
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Current value
an amount we cannot price
Shares held
305K
% 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.

BLZE price vs Griffin's position

Dates
$13$13.5$14← Earlier —11 purchases, 6 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 Added +165K +117.7% 305K May 15, 2026
Q4 2025 Reduced −320K −69.6% 140K Feb 17, 2026
Q3 2025 Added +256K +125.8% 460K Nov 14, 2025
Q2 2025 Reduced −198K −49.3% 204K Aug 14, 2025
Q1 2025 Added +126K +45.6% 402K May 15, 2025
Q4 2024 Reduced −4K −1.3% 276K Feb 14, 2025
Q3 2024 Added +151K +117.3% 280K Nov 14, 2024
Q2 2024 Added +37K +39.7% 129K Aug 14, 2024
Q1 2024 Reduced −2K −2.6% 92K May 15, 2024
Q4 2023 Added +50K +111.8% 95K Feb 14, 2024
Q3 2023 Added +16K +58.0% 45K Nov 14, 2023
Q2 2023 Reduced −31K −52.3% 28K Aug 14, 2023
Q1 2023 Added +27K +82.1% 59K May 15, 2023
Q4 2022 Reduced −73K −69.2% 33K Feb 14, 2023
Q3 2022 Added +73K +226.7% 106K Nov 14, 2022
Q2 2022 New +32K 32K Aug 15, 2022
Q4 2021 New +11K 11K Feb 14, 2022
Data through Q1 2026 · filed May 15, 2026
17 grouped rows from 17 quarters

More Griffin positions

Common questions

Does Ken Griffin own BLZE?

Yes. As of Q1 2026, Ken Griffin disclosed 305K shares of BLZE, 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 BLZE?

Ken Griffin first disclosed a BLZE position in Q4 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 BLZE?

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

How many shares of BLZE does Ken Griffin own?

Ken Griffin disclosed 305K shares of BLZE 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 BLZE?

Ken Griffin began building the BLZE 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.