Save your place

Sign in to WhoBought

Please try again later.

Ken Griffin's Blaize Holdings Inc. (BZAI) position

Yes: as of Q1 2026, Ken Griffin holds 77K shares of BZAI worth $140K (0.0% of the disclosed portfolio). Last quarter the position was unchanged. First disclosed Q2 2025.
View full portfolio →
Current value
$140K
Shares held
77K
% of portfolio
0.0%
Est. average buy price (i)
$1.48
est. since Q1 2026
Quarter-end price
$1.82

Estimated trade prices

Average price in quarters with purchases
$3.21

BZAI price vs Griffin's position

Dates
$0.9$5$10$1520252026New position of 14K shares · Q2 2025. Average closing price $2.46 · Price range $2.01–$3.0714KsharespurchasedAdded 487K shares (over 1,000%) · Q4 2025. Average closing price $3.23 · Price range $1.94–$6.29487Ksharespurchased
Average closing price · filing quarter
$3.23
Price range · filing quarter
$1.94 – $6.29

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 First covered 77K May 15, 2026
Q4 2025 Added +487K +$1.6M +2,080.7% 511K Feb 17, 2026
Q3 2025 First covered 23K Nov 14, 2025
Q2 2025 New +14K +$35K 14K Aug 14, 2025
Data through Q1 2026 · filed May 15, 2026
4 grouped rows from 4 quarters

More Griffin positions

Common questions

Does Ken Griffin own BZAI?

Yes. As of Q1 2026, Ken Griffin disclosed 77K shares of BZAI, worth $140K. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy BZAI?

Ken Griffin first disclosed a BZAI position in Q2 2025; 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 BZAI?

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

How many shares of BZAI does Ken Griffin own?

Ken Griffin disclosed 77K shares of BZAI 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 BZAI?

Ken Griffin began building the BZAI 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.