Dimensional Fund Advisors
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Dimensional Fund Advisors’s Pro-Dex PDEX Stock Holding History

Dimensional Fund Advisors’s Portfolio PDEX Stock Details PDEX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$4.32M Buy
62,633
+5,572
+10% +$356K ﹤0.01% 2538
2026
Q2 		$3.34M Buy
57,061
+120
+0.2% +$6.97K ﹤0.01% 2623
2026
Q1 		$2.8M Sell
56,941
-5,179
-8% -$223K ﹤0.01% 2635
2025
Q4 		$2.39M Sell
62,120
-407
-0.7% -$14.1K ﹤0.01% 2700
2025
Q3 		$2.12M Hold
62,527
– – ﹤0.01% 2752
2025
Q2 		$2.73M Buy
62,527
+3,765
+6% +$184K ﹤0.01% 2681
2025
Q1 		$2.91M Buy
58,762
+293
+0.5% +$12.2K ﹤0.01% 2631
2024
Q4 		$2.73M Sell
58,469
-4,567
-7% -$186K ﹤0.01% 2712
2024
Q3 		$1.88M Hold
63,036
– – ﹤0.01% 2790
2024
Q2 		$1.24M Buy
63,036
+3,067
+5% +$57.9K ﹤0.01% 2873
2024
Q1 		$1.05M Buy
59,969
+1,670
+3% +$31.5K ﹤0.01% 2915
2023
Q4 		$1.01M Buy
58,299
+424
+0.7% +$7.09K ﹤0.01% 2935
2023
Q3 		$909K Hold
57,875
– – ﹤0.01% 2947
2023
Q2 		$1.1M Buy
57,875
+503
+0.9% +$8.76K ﹤0.01% 2911
2023
Q1 		$950K Buy
+57,372
New +$956K ﹤0.01% 2910
2022
Q3 		$1.03M Buy
58,126
+1,535
+3% +$26.3K ﹤0.01% 2874
2022
Q2 		$912K Hold
56,591
– – ﹤0.01% 2935
2022
Q1 		$935K Hold
56,591
– – ﹤0.01% 3007
2021
Q4 		$1.35M Sell
56,591
-463
-0.8% -$11.1K ﹤0.01% 2950
2021
Q3 		$1.48M Sell
57,054
-1,042
-2% -$29.6K ﹤0.01% 2936
2021
Q2 		$1.78M Sell
58,096
-200
-0.3% -$6.13K ﹤0.01% 2898
2021
Q1 		$1.57M Buy
58,296
+5,734
+11% +$156K ﹤0.01% 2907
2020
Q4 		$1.63M Buy
52,562
+1,133
+2% +$40.1K ﹤0.01% 2864
2020
Q3 		$1.47M Hold
51,429
– – ﹤0.01% 2833
2020
Q2 		$916K Buy
51,429
+1,328
+3% +$23.6K ﹤0.01% 2966
2020
Q1 		$811K Hold
50,101
– – ﹤0.01% 2962
2019
Q4 		$879K Sell
50,101
-1,100
-2% -$15.7K ﹤0.01% 3032
2019
Q3 		$783K Buy
51,201
+4,094
+9% +$58.1K ﹤0.01% 3057
2019
Q2 		$611K Buy
47,107
+8,951
+23% +$125K ﹤0.01% 3156
2019
Q1 		$552K Buy
38,156
+23,011
+152% +$324K ﹤0.01% 3149
2018
Q4 		$183K Buy
+15,145
New +$176K ﹤0.01% 3297

Other funds holding PDEX

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Pekin Hardy Strauss
Pekin Hardy Strauss Chicago, Illinois $1.14B AUM 25.53% 1-Year Est. Return
Ellsworth Advisors
Ellsworth Advisors Hudson, Ohio $620M AUM 38.17% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Squarepoint
Squarepoint New York $90.8B AUM 26.98% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $114B AUM 33.83% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $468B AUM 17.69% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 1-Year Est. Return
Ritholtz Wealth Management
Ritholtz Wealth Management New York $6.96B AUM 24% 1-Year Est. Return
STRS Ohio
STRS Ohio Columbus, Ohio $27.1B AUM 34.64% 1-Year Est. Return

Dimensional Fund Advisors's PDEX Position: Q3 2026 in Review

Dimensional Fund Advisors increased its Pro-Dex (PDEX) stake by 9.8% in Q3 2026, buying an estimated $356K and bringing the position to 62,633 shares worth $4.32M. The position accounts for ﹤0.01% of the portfolio, ranked #2538.

Dimensional Fund Advisors first reported a position in PDEX in Q4 2018 and has held it in 31 quarters since. 31 funds tracked by Wall St. Rank hold PDEX as of Q3 2026.

  • Dimensional Fund Advisors held 62,633 shares of Pro-Dex worth $4.32M as of Q3 2026.
  • Dimensional Fund Advisors bought 5,572 Pro-Dex shares in Q3 2026, an estimated $356K.
  • Pro-Dex made up ﹤0.01% of Dimensional Fund Advisors's portfolio in Q3 2026, its #2538 holding.
  • Dimensional Fund Advisors first reported a position in Pro-Dex in Q4 2018 and has held it in 31 quarters since.
  • 31 funds tracked by Wall St. Rank held Pro-Dex as of Q3 2026.

Based on Dimensional Fund Advisors's 13F filing for Q3 2026, filed 4 Nov 2026.