Ken Griffin
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Ken Griffin’s Willdan Group WLDN Stock Holding History

Ken Griffin’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 		$1.21M Buy
15,800
+7,100
+82% +$751K ﹤0.01% 7234
2025
Q4 		$902K Sell
8,700
-19,800
-69% -$1.95M ﹤0.01% 7625
2025
Q3 		$2.76M Buy
+28,500
New +$2.7M ﹤0.01% 5455
2025
Q2 		– Sell
-2,000
Closed -$81.4K – 15353
2025
Q1 		$81.4K Sell
2,000
-3,600
-64% -$133K ﹤0.01% 11740
2024
Q4 		$213K Buy
5,600
+1,400
+33% +$60.1K ﹤0.01% 10329
2024
Q3 		$172K Sell
4,200
-3,300
-44% -$119K ﹤0.01% 10373
2024
Q2 		$216K Buy
7,500
+200
+3% +$5.96K ﹤0.01% 9764
2024
Q1 		$212K Buy
7,300
+7,200
+7,200% +$157K ﹤0.01% 10196
2023
Q4 		$2.15K Sell
100
-1,800
-95% -$35.8K ﹤0.01% 13733
2023
Q3 		$38.8K Buy
1,900
+1,700
+850% +$36K ﹤0.01% 12032
2023
Q2 		$3.83K Buy
+200
New +$3.36K ﹤0.01% 13656
2023
Q1 		– Sell
-400
Closed -$7.14K – 15603
2022
Q4 		$7.14K Buy
+400
New +$6.16K ﹤0.01% 13846
2021
Q2 		– Sell
-6,300
Closed -$259K – 14534
2021
Q1 		$259K Buy
+6,300
New +$290K ﹤0.01% 11168

Other funds holding WLDN

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

Ken Griffin's WLDN Position: Q1 2026 in Review

Ken Griffin reduced its Willdan Group (WLDN) stake by 59% in Q1 2026, selling an estimated $4.76M and leaving 31,579 shares worth $2.42M. The position accounts for ﹤0.01% of the portfolio, ranked #5693.

Ken Griffin first reported a position in WLDN in Q4 2014 and has held it in 31 quarters since. The position peaked at $18M in Q3 2025. 254 funds tracked by Wall St. Rank hold WLDN as of Q1 2026.

  • Ken Griffin held 31,579 shares of Willdan Group worth $2.42M as of Q1 2026.
  • Ken Griffin sold 44,979 Willdan Group shares in Q1 2026, an estimated $4.76M.
  • Willdan Group made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #5693 holding.
  • Ken Griffin first reported a position in Willdan Group in Q4 2014 and has held it in 31 quarters since.
  • Ken Griffin's Willdan Group position peaked at $18M in Q3 2025.
  • 254 funds tracked by Wall St. Rank held Willdan Group as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.