Jane Street
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Jane Street’s Willdan Group WLDN Stock Holding History

Jane Street’s Portfolio WLDN Stock Details WLDN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.19M Sell
15,500
-6,100
-28% -$645K ﹤0.01% 6150
2025
Q4 		$2.24M Sell
21,600
-8,700
-29% -$856K ﹤0.01% 4597
2025
Q3 		$2.93M Buy
30,300
+26,700
+742% +$2.53M ﹤0.01% 4264
2025
Q2 		$225K Buy
+3,600
New +$172K ﹤0.01% 8355

Other funds holding WLDN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

Jane Street's WLDN Position: Q1 2026 in Review

Jane Street increased its Willdan Group (WLDN) stake by 223% in Q1 2026, buying an estimated $10.4M and bringing the position to 142,572 shares worth $10.9M. The position accounts for ﹤0.01% of the portfolio, ranked #2432.

Jane Street first reported a position in WLDN in Q1 2021 and has held it in 11 quarters since. The position peaked at $11.2M in Q3 2025. 253 funds tracked by Wall St. Rank hold WLDN as of Q1 2026.

  • Jane Street held 142,572 shares of Willdan Group worth $10.9M as of Q1 2026.
  • Jane Street bought 98,488 Willdan Group shares in Q1 2026, an estimated $10.4M.
  • Willdan Group made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #2432 holding.
  • Jane Street first reported a position in Willdan Group in Q1 2021 and has held it in 11 quarters since.
  • Jane Street's Willdan Group position peaked at $11.2M in Q3 2025.
  • 253 funds tracked by Wall St. Rank held Willdan Group as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.