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WLDN · Willdan Group, Inc.

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$87.56 +0.22 (+0.25%) At close · Sep 2
Market Cap
$1.35B
Shares
15.23M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 246
Total Value: $1,069,851,560
Total Shares: 13,525,306
Showing 1–100 of 252 holdings by value · page 1 of 3

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 246 13F filers · Δ vs Mar 31, 2026
Top Holder
10.6%
Sep 2023 → Jun 2026 · range 9.3% – 19.6%
−0.8 pts
Top 5
32.9%
Sep 2023 → Jun 2026 · range 28.2% – 56.8%
+4.7 pts
Top 10
46.6%
Sep 2023 → Jun 2026 · range 38.6% – 73.2%
+5.0 pts
HHI
359
Sep 2023 → Jun 2026 · range 293 – 948
Broadly held+66

Quarterly Activity

vs Mar 31, 2026
New
45
Increased
93
Decreased
80
Sold Out
55
Unchanged
28
Holder count: -10
Institutional value: +20.8%
Shares held: +16.9%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 252
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1370450 CUSIP 96924N100 13F (30d) 191 filings 189 filers Visit website Investor relations