PRO DEX INC - Common Stock, no par value (PDEX)

CUSIP: 74265M205

Q4 2025 13F Holders as of 31 Dec 2025

Holder snapshot 6 signals
Share change
-36,800
SEC-reported price per share
$38.48
Number of holders
56
Value change
-$1,131,847
Number of buys
21
Number of sells
27
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
3,192,651

Security key

74265M205

Report period

Q4 2025

Institutions

56

Top holders

10

Ownership snapshot

Top reported holders of PDEX - PRO DEX INC - Common Stock, no par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
AO Partners I, LP
Disclosed value leader
AO Partners I, LP
Comparable rows
15/15
Latest evidence
21 Nov 2025
13D/G 3/4/5 13F Lead comparable stake: 31% 13D/G row: AO Partners I, LP Showing 1-6 of 15 holder rows.

Quick read

AO Partners I, LP leads the comparable SEC ownership view at 31%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens AO Partners I, LP's linked filing trail.
Comparable ownership Top 5
AO Partners I, LP 31%
FARNAM STREET PARTNERS LP /MN 8.8%
Nicholas J. Swenson 32%
Raymond E. Cabillot 8.5%
Katrina Marie Kramer Philp 0.62%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
AO Partners I, LP
13D/G
Swenson Nicholas John
31%
$66,046,145
1,017,817 shares
$0 02 Apr 2025
FARNAM STREET PARTNERS LP /MN
13D/G
CABILLOT RAYMOND E
8.8%
$18,544,718
285,787 shares
-$2,203,989 25 Mar 2025
Nicholas J. Swenson
3/4/5
Director, 10%+ Owner
32%
$31,375,625
1,024,343 shares
20 Nov 2025
Raymond E. Cabillot
3/4/5
Director, 10%+ Owner
8.5%
$8,357,272
272,846 shares
20 Nov 2025
Katrina Marie Kramer Philp
3/4/5
Director
0.62%
$647,415
19,796 shares
21 Nov 2025
William James Farrell III
3/4/5
Director
0.22%
$217,473
7,100 shares
20 Nov 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
56
Shares
729,414
Rows available
56
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
56
Q4 2025 holders
56
Holder diff
0
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 value Q4 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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