Jane Street
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Jane Street’s Pro-Dex PDEX Stock Holding History

Jane Street’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
Q2 		$799K Buy
+13,638
New +$792K ﹤0.01% 7001
2025
Q2 		– Sell
-6,483
Closed -$321K – 10537
2025
Q1 		$321K Buy
+6,483
New +$271K ﹤0.01% 7689

Other funds holding PDEX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
PAIM
Punch & Associates Investment Management Edina, Minnesota $2.02B AUM 40.6% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
PHS
Pekin Hardy Strauss Chicago, Illinois $1.14B AUM 37.36% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $289B AUM 60.46% 1-Year Est. Return

Jane Street's PDEX Position: Q2 2026 in Review

Jane Street opened a new position in Pro-Dex (PDEX) in Q2 2026: 13,638 shares worth $799K. The stake represents ﹤0.01% of the portfolio and ranks #7001 among its holdings. This is a return to the name: Jane Street previously reported a position in PDEX as recently as Q1 2025.

Jane Street first reported a position in PDEX in Q1 2025 and has held it in 2 quarters since. 66 funds tracked by Wall St. Rank hold PDEX as of Q2 2026.

  • Jane Street held 13,638 shares of Pro-Dex worth $799K as of Q2 2026.
  • Pro-Dex was a new Jane Street position in Q2 2026.
  • Pro-Dex made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #7001 holding.
  • Jane Street first reported a position in Pro-Dex in Q1 2025 and has held it in 2 quarters since.
  • 66 funds tracked by Wall St. Rank held Pro-Dex as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.