Save your place

Sign in to WhoBought

Please try again later.

Ken Griffin's Pro-Dex, Inc. (PDEX) position

Yes: as of Q1 2026, Ken Griffin holds 9K shares of PDEX worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was opened. First disclosed Q1 2025.
View full portfolio →
Current value
an amount we cannot price
Shares held
9K
% 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.

PDEX price vs Griffin's position

Dates
$54$56$58← Earlier —3 purchases
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 New +9K 9K May 15, 2026
Q2 2025 Added +3K +32.7% 11K Aug 14, 2025
Q1 2025 New +9K 9K May 15, 2025
Data through Q1 2026 · filed May 15, 2026
3 grouped rows from 3 quarters

More Griffin positions

Common questions

Does Ken Griffin own PDEX?

Yes. As of Q1 2026, Ken Griffin disclosed 9K shares of PDEX, 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 PDEX?

Ken Griffin first disclosed a PDEX position in Q1 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 PDEX?

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

How many shares of PDEX does Ken Griffin own?

Ken Griffin disclosed 9K shares of PDEX 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 PDEX?

Ken Griffin began building the PDEX 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.