Willdan Group, Inc.
Willdan Group, Inc. (WLDN) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · WLDN · as of Sep 30, 2025
Ownership Breakdown
267
Institutional Holders
▲ 74 vs Q2
$1.07B
Total Inst. Value
▲ $388.01M vs Q2
15.11M
Shares Outstanding
freeFloat 96.48%
11.07M
13F Shares Held
▲ 132,622 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
WLDN largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. services-engineering services | 1.27M | 8.81% | 8.81% | $123.10B | Nov 12, 2025 | ▲ 102.4K |
VANGUARD GROUP INC services-engineering services | 1.08M | 7.44% | 7.44% | $103.97B | Nov 7, 2025 | ▲ 229.4K |
GEODE CAPITAL MANAGEMENT, LLC services-engineering services | 340.8K | 2.36% | 2.36% | $32.96B | Nov 12, 2025 | ▲ 4.1K |
TWO SIGMA INVESTMENTS, LP services-engineering services | 302.4K | 2.09% | 2.09% | $29.24B | Nov 14, 2025 | ▲ 203.9K |
STATE STREET CORP services-engineering services | 299.3K | 2.07% | 2.07% | $28.94B | Nov 14, 2025 | ▲ 22.4K |
DIMENSIONAL FUND ADVISORS LP services-engineering services | 284.2K | 1.97% | 1.97% | $27.48B | Nov 12, 2025 | ▼ 146.2K |
DIVISADERO STREET CAPITAL MANAGEMENT, LP services-engineering services | 253.1K | 1.75% | 1.75% | $24.47B | Nov 14, 2025 | ▼ 25.8K |
QUBE RESEARCH & TECHNOLOGIES LTD services-engineering services | 199.9K | 1.38% | 1.38% | $19.33B | Nov 14, 2025 | ▲ 46.2K |
WELLS FARGO & COMPANY/MN services-engineering services | 196.8K | 1.36% | 1.36% | $19.02B | Nov 13, 2025 | ▲ 47.4K |
TREXQUANT INVESTMENT LP services-engineering services | 187.7K | 1.30% | 1.30% | $18.15B | Nov 14, 2025 | ▲ 120.8K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
25
Increased
+1.82M shares5
New Positions
first time holders19
Decreased
−1.38M shares0
Sold Out
fully exitedNet shares change (top 50)
+435.3K
+1.82M / −1.38M
Net new holders
+11
5 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
WLDN insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
3
Buy transactions
8
Sell transactions
0.38
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
BIEBER MICHAEL A PRESIDENT AND CEO | May 14, 2026 | Sale | 25,429 | $90.88 | $2.31M | 280.8K | Form 4 ↗ |
BIEBER MICHAEL A PRESIDENT AND CEO | May 14, 2026 | Sale | 23,015 | $91.95 | $2.12M | 257.8K | Form 4 ↗ |
BIEBER MICHAEL A PRESIDENT AND CEO | May 14, 2026 | Sale | 7,956 | $92.65 | $737.1K | 249.8K | Form 4 ↗ |
BIEBER MICHAEL A PRESIDENT AND CEO | May 14, 2026 | Sale | 276 | $93.74 | $25.9K | 249.5K | Form 4 ↗ |
BIEBER MICHAEL A PRESIDENT AND CEO | May 13, 2026 | Sale | 9,991 | $92.65 | $925.7K | 249.5K | Form 4 ↗ |
CHEN MICAH EXECUTIVE VP & GENERAL COUNSEL | Mar 25, 2026 | Award | 3,780 | — | — | 51.7K | Form 4 ↗ |
CHEN MICAH EXECUTIVE VP & GENERAL COUNSEL | Mar 25, 2026 | Tax Withhold | 1,660 | $82.80 | $137.4K | 50.0K | Form 4 ↗ |
BIEBER MICHAEL A PRESIDENT AND CEO | Mar 25, 2026 | Award | 15,750 | — | — | 256.0K | Form 4 ↗ |
BIEBER MICHAEL A PRESIDENT AND CEO | Mar 25, 2026 | Tax Withhold | 6,444 | $82.80 | $533.6K | 249.5K | Form 4 ↗ |
EARLY CREIGHTON K EXECUTIVE VP AND CFO | Mar 25, 2026 | Award | 3,780 | — | — | 80.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Willdan Group, Inc. (WLDN) is primarily owned by institutional investors, who hold approximately 73.2% of total shares outstanding. Company insiders own approximately 3.52%, while retail and public investors account for the remaining 23.24%.
The largest institutional shareholder of Willdan Group, Inc. is BLACKROCK, INC., holding approximately 1.27 million shares — equal to 8.81% of outstanding shares — as of September 30, 2025.
A total of 267 institutional investors currently hold WLDN stock, with a combined institutional value of approximately $1.07 billion as of the most recent 13F filing period.
Frequently asked questions
WLDN ownershipWilldan Group, Inc. (WLDN) is primarily owned by institutional investors, who hold approximately 73.2% of shares. The largest shareholder is BLACKROCK, INC. with a 8.81% stake. Company insiders hold 3.52%. Data sourced from SEC Form 13F as of September 30, 2025.