Ken Griffin’s Willdan Group WLDN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$2.69M Sell
35,200
-22,700
-39% -$2.4M ﹤0.01% 5478
2025
Q4
$6M Buy
57,900
+17,100
+42% +$1.68M ﹤0.01% 4004
2025
Q3
$3.94M Buy
40,800
+30,700
+304% +$2.91M ﹤0.01% 4785
2025
Q2
$631K Sell
10,100
-2,300
-19% -$110K ﹤0.01% 8082
2025
Q1
$505K Buy
12,400
+100
+0.8% +$3.7K ﹤0.01% 8456
2024
Q4
$469K Buy
12,300
+1,100
+10% +$47.2K ﹤0.01% 8696
2024
Q3
$459K Sell
11,200
-300
-3% -$10.8K ﹤0.01% 8451
2024
Q2
$332K Buy
11,500
+2,400
+26% +$71.6K ﹤0.01% 8932
2024
Q1
$264K Buy
9,100
+6,600
+264% +$144K ﹤0.01% 9746
2023
Q4
$53.8K Sell
2,500
-900
-26% -$17.9K ﹤0.01% 11710
2023
Q3
$69.5K Buy
3,400
+1,300
+62% +$27.6K ﹤0.01% 11334
2023
Q2
$40.2K Sell
2,100
-200
-9% -$3.36K ﹤0.01% 12054
2023
Q1
$35.9K Sell
2,300
-5,000
-68% -$89.7K ﹤0.01% 12558
2022
Q4
$130K Buy
+7,300
New +$112K ﹤0.01% 10827
2021
Q3
Sell
-23,900
Closed -$900K 14756
2021
Q2
$900K Sell
23,900
-2,300
-9% -$88.8K ﹤0.01% 8632
2021
Q1
$1.08M Buy
26,200
+16,500
+170% +$759K ﹤0.01% 7936
2020
Q4
$404K Buy
+9,700
New +$337K ﹤0.01% 8552

Other funds holding WLDN

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.