William Blair & Company
WLDN icon

William Blair & Company’s Willdan Group WLDN Stock Holding History

William Blair & Company’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 		$348K Buy
4,550
+1,300
+40% +$138K ﹤0.01% 1276
2025
Q4 		$337K Buy
+3,250
New +$320K ﹤0.01% 1267
2017
Q4 		– Sell
-7,790
Closed -$253K – 1447
2017
Q3 		$253K Buy
+7,790
New +$249K ﹤0.01% 1181

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

William Blair & Company's WLDN Position: Q1 2026 in Review

William Blair & Company increased its Willdan Group (WLDN) stake by 40% in Q1 2026, buying an estimated $138K and bringing the position to 4,550 shares worth $348K. The position accounts for ﹤0.01% of the portfolio, ranked #1276.

William Blair & Company first reported a position in WLDN in Q3 2017 and has held it in 3 quarters since. 253 funds tracked by Wall St. Rank hold WLDN as of Q1 2026.

  • William Blair & Company held 4,550 shares of Willdan Group worth $348K as of Q1 2026.
  • William Blair & Company bought 1,300 Willdan Group shares in Q1 2026, an estimated $138K.
  • Willdan Group made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1276 holding.
  • William Blair & Company first reported a position in Willdan Group in Q3 2017 and has held it in 3 quarters since.
  • 253 funds tracked by Wall St. Rank held Willdan Group as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.