Form 13-F position report

PRO-DEX INC COLO

Reported by ACADIAN ASSET MANAGEMENT LLC

Company profile Manager portfolio Source filing
PDEX CUSIP 74265M205 Manager CIK 0000916542
Latest reported change

Reported 68,269 shares, unchanged from the prior quarter.

Reported value -10.3%; share count 0.0% vs. the prior quarter.

Unchanged
% of reported 13F value < 0.01% This manager · Q4 2022
Shares 68,269 Quarter-end amount reported
Reported value $1,084,000 Fair value at quarter end
Consecutive quarters held 25 Through Q4 2022

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Manager history

Quarterly position history

How this manager's reported quarter-end position changed over time.

18 quarters
Quarter Activity Shares Change % of reported 13F Reported value Filed
Q2 2026 New 259 +259 (0.0%) < 0.01% $15,000 2026-08-13
Q3 2025 Reduced 0 -15,024 (-100.0%) 0 $0 2025-11-13
Q2 2025 Reduced 15,024 -44,252 (-74.7%) < 0.01% $655,000 2025-08-07
Q1 2025 Added 59,276 +2,931 (5.2%) < 0.01% $2,937,000 2025-05-21
Q4 2024 Unchanged 56,345 0 (0.0%) < 0.01% $2,633,000 2025-02-11
Q3 2024 Unchanged 56,345 0 (0.0%) < 0.01% $1,681,000 2024-11-12
Q2 2024 Reduced 56,345 -488 (-0.9%) < 0.01% $1,106,000 2024-08-06
Q1 2024 Reduced 56,833 -267 (-0.5%) < 0.01% $996,000 2024-05-10
Q4 2023 Reduced 57,100 -4,599 (-7.5%) < 0.01% $992,000 2024-02-13
Q3 2023 Reduced 61,699 -6,570 (-9.6%) < 0.01% $968,000 2023-11-13
Q2 2023 Unchanged 68,269 0 (0.0%) < 0.01% $1,298,000 2023-08-07
Q1 2023 Unchanged 68,269 0 (0.0%) < 0.01% $1,118,000 2023-05-11
Q4 2022 Unchanged 68,269 0 (0.0%) < 0.01% $1,084,000 2023-02-14
Q3 2022 Unchanged 68,269 0 (0.0%) < 0.01% $1,208,000 2022-11-14
Q2 2022 Reduced 68,269 -704 (-1.0%) < 0.01% $1,089,000 2022-08-09
Q1 2022 Reduced 68,973 -2,613 (-3.7%) < 0.01% $1,140,000 2022-05-12
Q4 2021 Reduced 71,586 -6,558 (-8.4%) < 0.01% $1,660,000 2022-02-10
Q3 2021 Reduced 78,144 -4,088 (-5.0%) < 0.01% $2,004,000 2021-11-12
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Institutional context

Who else reported the position

23 managers reported PRO-DEX INC COLO for Q4 2022.

Manager Activity Shares Change % of reported 13F Reported value Tenure
VANGUARD GROUP INC Added 102,699 +3,239 < 0.01% $1,632,914 25 qtrs
ACADIAN ASSET MANAGEMENT LLC This report Unchanged 68,269 0 < 0.01% $1,084,000 25 qtrs
DIMENSIONAL FUND ADVISORS LP Added 58,751 +625 < 0.01% $920,000 17 qtrs
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT INC Added 55,595 +17,220 0.06% $883,960 15 qtrs
BlackRock Inc Added 48,575 +44 < 0.01% $772,343 24 qtrs
LSV ASSET MANAGEMENT Unchanged 32,881 0 < 0.01% $515,000 14 qtrs
Covalent Partners LLC Unchanged 25,000 0 0.45% $397,500 6 qtrs
GEODE CAPITAL MANAGEMENT LLC Reduced 24,303 -444 < 0.01% $380,000 10 qtrs
JPMorgan Chase & Co Added 21,807 +553 < 0.01% $341,000 5 qtrs
NORTHERN TRUST CORPORATION Reduced 18,568 -118 < 0.01% $295,231 11 qtrs
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Filing details and methodology As reported
Report period
December 31, 2022
Filed
February 14, 2023
Filing type
13F-HR
Position type
COM NEW

Voting authority reported

Sole
68,269
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.