RhumbLine Advisers
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RhumbLine Advisers’s Pro-Dex PDEX Stock Holding History

RhumbLine Advisers’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
Q1 		$69K Buy
1,405
+21
+2% +$904 ﹤0.01% 3528
2025
Q4 		$53.3K Sell
1,384
-509
-27% -$17.6K ﹤0.01% 3624
2025
Q3 		$64.1K Sell
1,893
-352
-16% -$15.1K ﹤0.01% 3615
2025
Q2 		$98K Buy
+2,245
New +$110K ﹤0.01% 3534
2023
Q3 		– Sell
-125
Closed -$2.38K – 4348
2023
Q2 		$2.38K Buy
+125
New +$2.18K ﹤0.01% 4195

Other funds holding PDEX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
PAIM
Punch & Associates Investment Management Edina, Minnesota $1.73B AUM 27.65% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
QC
Quadrature Capital London, United Kingdom $8.4B AUM 63.34% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

RhumbLine Advisers's PDEX Position: Q1 2026 in Review

RhumbLine Advisers increased its Pro-Dex (PDEX) stake by 1.5% in Q1 2026, buying an estimated $904 and bringing the position to 1,405 shares worth $69K. The position accounts for ﹤0.01% of the portfolio, ranked #3528.

RhumbLine Advisers first reported a position in PDEX in Q2 2023 and has held it in 5 quarters since. The position peaked at $98K in Q2 2025. 58 funds tracked by Wall St. Rank hold PDEX as of Q1 2026.

  • RhumbLine Advisers held 1,405 shares of Pro-Dex worth $69K as of Q1 2026.
  • RhumbLine Advisers bought 21 Pro-Dex shares in Q1 2026, an estimated $904.
  • Pro-Dex made up ﹤0.01% of RhumbLine Advisers's portfolio in Q1 2026, its #3528 holding.
  • RhumbLine Advisers first reported a position in Pro-Dex in Q2 2023 and has held it in 5 quarters since.
  • RhumbLine Advisers's Pro-Dex position peaked at $98K in Q2 2025.
  • 58 funds tracked by Wall St. Rank held Pro-Dex as of Q1 2026.

Based on RhumbLine Advisers's 13F filing for Q1 2026, filed 12 May 2026.