WLDN · Willdan Group, Inc.
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, 2026Top Holder
10.6%
−0.8 pts
Top 5
32.9%
+4.7 pts
Top 10
46.6%
+5.0 pts
HHI
359
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 |
|---|---|---|---|
| Mid Divisadero Street Capital Management, LP | +1,159,306 | 1,324,293 | |
| Mid NEUMEIER POMA INVESTMENT COUNSEL LLC | +314,550 | 530,210 | |
| Mid Ranger Investment Management, L.P. | +228,756 | 275,191 | |
| Large Allspring Global Investments Holdings, LLC | +174,291 | 390,720 | |
| Mega BlackRock, Inc. | +120,899 | 1,438,623 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega TWO SIGMA INVESTMENTS, LP | −317,448 | 150,574 | |
| Mega WELLS FARGO & COMPANY/MN | −102,418 | 45,567 | |
| Large ACADIAN ASSET MANAGEMENT LLC | −98,012 | 12,909 | |
| Large WASATCH ADVISORS LP | −94,527 | 287,054 | |
| Large TUDOR INVESTMENT CORP ET AL | −85,467 | 25,425 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Small ALTA FOX CAPITAL MANAGEMENT, LLC | 359,806 | $28,460,654 | |
| Small Conversant Capital LLC | 294,500 | $23,294,950 | |
| Mid OBERWEIS ASSET MANAGEMENT INC/ | 262,700 | $20,779,570 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP | 210,895 | $16,681,794 | |
| Mid NEXT CENTURY GROWTH INVESTORS LLC | 126,407 | $9,998,793 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Large Driehaus Capital Management LLC | 219,904 | $16,835,850 | |
| Mid ALGERT GLOBAL LLC | 147,587 | $11,299,260 | |
| Small Summit Creek Advisors LLC | 147,536 | $11,295,356 | |
| Mid Valiant Capital Management, L.P. | 143,331 | $10,973,421 | |
| Large Trexquant Investment LP | 70,172 | $5,372,368 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega BlackRock, Inc. | $113,795,073 | 10.64% | 1,438,623 | Shares | 2026-08-07 | |
| Mid Divisadero Street Capital Management, LP | $104,751,576 | 9.79% | 1,324,293 | Shares | 2026-08-14 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $50,063,655 | 4.68% | 632,916 | Shares | 2026-08-13 | |
| Mid NEUMEIER POMA INVESTMENT COUNSEL LLC | $41,939,611 | 3.92% | 530,210 | Shares | 2026-08-13 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC | $41,705,633 | 3.90% | 527,252 | Shares | 2026-08-13 | |
| Large Allspring Global Investments Holdings, LLC | $30,905,950 | 2.89% | 390,720 | Shares | 2026-08-13 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $30,326,860 | 2.83% | 383,399 | Shares | 2026-08-12 | |
| Mega FIRST TRUST ADVISORS LP | $28,561,348 | 2.67% | 361,079 | Shares | 2026-08-11 | |
| Small ALTA FOX CAPITAL MANAGEMENT, LLC | $28,460,654 | 2.66% | 359,806 | Shares | 2026-08-14 | |
| Mega Swedbank AB Bank | $27,661,270 | 2.59% | 349,700 | Shares | 2026-07-15 | |
| Mega STATE STREET CORP | $26,692,215 | 2.49% | 337,449 | Shares | 2026-08-07 | |
| Mega DIMENSIONAL FUND ADVISORS LP | $25,379,786 | 2.37% | 320,857 | Shares | 2026-08-11 | |
| Small Conversant Capital LLC | $23,294,950 | 2.18% | 294,500 | Shares | 2026-08-14 | |
| Large WASATCH ADVISORS LP | $22,705,971 | 2.12% | 287,054 | Shares | 2026-07-10 | |
| Mid Ranger Investment Management, L.P. | $21,767,608 | 2.03% | 275,191 | Shares | 2026-08-13 | |
| Mid OBERWEIS ASSET MANAGEMENT INC/ | $20,779,570 | 1.94% | 262,700 | Shares | 2026-08-14 | |
| Mega AMERIPRISE FINANCIAL INC | $20,603,254 | 1.93% | 260,471 | Shares | 2026-08-14 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP | $16,681,794 | 1.56% | 210,895 | Shares | 2026-08-14 | |
| Mega Nuveen, LLC | $16,671,985 | 1.56% | 210,771 | Shares | 2026-08-11 | |
| Large Handelsbanken Fonder AB | $15,150,181 | 1.42% | 191,532 | Shares | 2026-07-10 | |
| Mid RBF Capital, LLC | $14,601,860 | 1.36% | 184,600 | Shares | 2026-08-14 | |
| Mega NORTHERN TRUST CORP Bank | $12,920,746 | 1.21% | 163,347 | Shares | 2026-08-13 | |
| Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $12,902,554 | 1.21% | 163,117 | Shares | 2026-08-14 | |
| Mega GOLDMAN SACHS GROUP INC | $12,281,777 | 1.15% | 155,269 | Shares | 2026-08-14 | |
| Mega TWO SIGMA INVESTMENTS, LP | $11,910,403 | 1.11% | 150,574 | Shares | 2026-08-14 | |
| Mega Russell Investments Group, Ltd. | $11,379,797 | 1.06% | 143,866 | Shares | 2026-08-06 | |
| Mid NEXT CENTURY GROWTH INVESTORS LLC | $9,998,793 | 0.93% | 126,407 | Shares | 2026-08-14 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $9,503,311 | 0.89% | 120,143 | Shares | 2026-08-14 | |
| Large PANAGORA ASSET MANAGEMENT INC | $9,072,849 | 0.85% | 114,701 | Shares | 2026-08-06 | |
| Mega MORGAN STANLEY | $8,796,234 | 0.82% | 111,204 | Shares | 2026-08-13 | |
| Large Point72 Asset Management, L.P. | $8,596,192 | 0.80% | 108,675 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $7,964,579 | 0.74% | 100,690 | Shares | 2026-08-13 | |
| Large LORD, ABBETT & CO. LLC | $7,824,018 | 0.73% | 98,913 | Shares | 2026-08-14 | |
| Mid KENNEDY CAPITAL MANAGEMENT LLC | $7,703,628 | 0.72% | 97,391 | Shares | 2026-08-14 | |
| Mega UBS Group AG | $7,661,150 | 0.72% | 96,854 | Shares | 2026-08-13 | |
| Mega JANE STREET GROUP, LLC | $7,113,383 | 0.66% | 89,929 | Shares | 2026-08-14 | |
| Mid Portolan Capital Management, LLC | $6,675,565 | 0.62% | 84,394 | Shares | 2026-08-14 | |
| Large Asset Management One Co., Ltd. | $6,113,876 | 0.57% | 77,293 | Shares | 2026-07-28 | |
| Small ESSEX INVESTMENT MANAGEMENT CO LLC | $5,923,799 | 0.55% | 74,890 | Shares | 2026-08-06 | |
| Mid KORNITZER CAPITAL MANAGEMENT INC /KS | $5,425,073 | 0.51% | 68,585 | Shares | 2026-07-31 | |
| Mega AQR CAPITAL MANAGEMENT LLC | $4,698,617 | 0.44% | 59,401 | Shares | 2026-08-14 | |
| Mega Bank of New York Mellon Corp Bank | $4,662,547 | 0.44% | 58,945 | Shares | 2026-08-06 | |
| Large Thrivent Financial for Lutherans | $4,449,295 | 0.42% | 56,249 | Shares | 2026-08-14 | |
| Mid OP Asset Management Ltd | $4,413,780 | 0.41% | 55,800 | Shares | 2026-07-28 | |
| Mega DEUTSCHE BANK AG\ Bank | $4,408,321 | 0.41% | 55,731 | Shares | 2026-08-07 | |
| Mega Qube Research & Technologies Ltd | $4,385,699 | 0.41% | 55,445 | Shares | 2026-08-14 | |
| Large Janney Montgomery Scott LLC | $4,135,506 | 0.39% | 52,282 | Shares | 2026-08-05 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $3,927,551 | 0.37% | 49,653 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN | $3,604,348 | 0.34% | 45,567 | Shares | 2026-08-14 | |
| Mid EFG International AG | $3,571,918 | 0.33% | 45,157 | Shares | 2026-08-14 | |
| Mega ENVESTNET ASSET MANAGEMENT INC | $3,551,273 | 0.33% | 44,896 | Shares | 2026-08-03 | |
| Mega JANE STREET GROUP, LLC | $3,369,660 | 0.31% | 42,600 | Call | 2026-08-14 | |
| Large Jefferies Financial Group Inc. | $3,258,920 | 0.30% | 41,200 | Shares | 2026-08-17 | |
| Mega PRINCIPAL FINANCIAL GROUP INC | $3,088,933 | 0.29% | 39,051 | Shares | 2026-08-04 | |
| Small CVFG LLC | $2,946,475 | 0.28% | 37,250 | Shares | 2026-08-11 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $2,817,146 | 0.26% | 35,615 | Shares | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO | $2,742,315 | 0.26% | 34,669 | Shares | 2026-08-12 | |
| Mega ALLIANCEBERNSTEIN L.P. | $2,698,259 | 0.25% | 34,112 | Shares | 2026-08-14 | |
| Large MML INVESTORS SERVICES, LLC | $2,668,834 | 0.25% | 33,740 | Shares | 2026-08-07 | |
| Mega AMERICAN CENTURY COMPANIES INC | $2,632,289 | 0.25% | 33,278 | Shares | 2026-08-12 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2,539,110 | 0.24% | 32,100 | Call | 2026-08-14 | |
| Mid RICE HALL JAMES & ASSOCIATES, LLC | $2,418,798 | 0.23% | 30,579 | Shares | 2026-08-07 | |
| Mega RAYMOND JAMES FINANCIAL INC | $2,314,386 | 0.22% | 29,259 | Shares | 2026-08-14 | |
| Mega Swiss National Bank Bank | $2,293,900 | 0.21% | 29,000 | Shares | 2026-08-11 | |
| Mega CITIGROUP INC | $2,263,445 | 0.21% | 28,615 | Shares | 2026-08-03 | |
| Large ALPS ADVISORS INC | $2,260,440 | 0.21% | 28,577 | Shares | 2026-07-29 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $2,217,881 | 0.21% | 28,039 | Shares | 2026-08-13 | |
| Mega BNP PARIBAS ARBITRAGE, SA | $2,194,787 | 0.21% | 27,747 | Shares | 2026-08-13 | |
| Mid Conestoga Capital Advisors, LLC | $2,183,713 | 0.20% | 27,607 | Shares | 2026-07-24 | |
| Large TUDOR INVESTMENT CORP ET AL | $2,011,117 | 0.19% | 25,425 | Shares | 2026-08-14 | |
| Large HRT FINANCIAL LP | $1,945,464 | 0.18% | 24,595 | Shares | 2026-08-14 | |
| Mid WHITTIER TRUST CO Bank | $1,871,268 | 0.17% | 23,657 | Shares | 2026-07-28 | |
| Mega CITADEL ADVISORS LLC | $1,819,300 | 0.17% | 23,000 | Call | 2026-08-14 | |
| Mega Invesco Ltd. | $1,797,149 | 0.17% | 22,720 | Shares | 2026-08-14 | |
| Large STOREBRAND ASSET MANAGEMENT AS | $1,793,038 | 0.17% | 22,668 | Shares | 2026-08-12 | |
| Large Balyasny Asset Management L.P. | $1,782,439 | 0.17% | 22,534 | Shares | 2026-08-14 | |
| Small De Lisle Partners LLP | $1,661,100 | 0.16% | 21,000 | Shares | 2026-08-12 | |
| Large LOS ANGELES CAPITAL MANAGEMENT LLC | $1,638,240 | 0.15% | 20,711 | Shares | 2026-08-13 | |
| Large Man Group plc | $1,619,097 | 0.15% | 20,469 | Shares | 2026-08-14 | |
| Mega LPL Financial LLC | $1,576,383 | 0.15% | 19,929 | Shares | 2026-08-07 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1,526,630 | 0.14% | 19,300 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS | $1,493,566 | 0.14% | 18,882 | Shares | 2026-08-12 | |
| Mega BARCLAYS PLC | $1,464,377 | 0.14% | 18,513 | Shares | 2026-08-14 | |
| Large NATIXIS ADVISORS, LLC | $1,317,173 | 0.12% | 16,652 | Shares | 2026-08-14 | |
| Small Polymer Capital Management (US) LLC | $1,311,003 | 0.12% | 16,574 | Shares | 2026-08-14 | |
| Large JONES FINANCIAL COMPANIES LLLP | $1,307,206 | 0.12% | 16,526 | Shares | 2026-08-14 | |
| Mega CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension | $1,306,099 | 0.12% | 16,512 | Shares | 2026-08-24 | |
| Mid Longaeva Partners L.P. | $1,289,883 | 0.12% | 16,307 | Shares | 2026-08-14 | |
| Mid Y-Intercept (Hong Kong) Ltd | $1,262,752 | 0.12% | 15,964 | Shares | 2026-07-14 | |
| Large SEI INVESTMENTS CO | $1,212,207 | 0.11% | 15,325 | Shares | 2026-08-14 | |
| Large Cetera Investment Advisers | $1,211,732 | 0.11% | 15,319 | Shares | 2026-08-12 | |
| Small WULFF, HANSEN & CO. | $1,210,388 | 0.11% | 15,302 | Shares | 2026-08-05 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $1,173,448 | 0.11% | 14,835 | Shares | 2026-08-14 | |
| Large Sanctuary Advisors, LLC | $1,165,143 | 0.11% | 14,730 | Shares | 2026-08-13 | |
| Mega Legal & General Group Plc | $1,107,478 | 0.10% | 14,001 | Shares | 2026-08-14 | |
| Large STATE OF WISCONSIN INVESTMENT BOARD | $1,050,210 | 0.10% | 13,277 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $1,044,120 | 0.10% | 13,200 | Put | 2026-08-14 | |
| Mega HSBC HOLDINGS PLC | $1,041,983 | 0.10% | 13,173 | Shares | 2026-08-14 | |
| Large ACADIAN ASSET MANAGEMENT LLC | $1,021,101 | 0.10% | 12,909 | Shares | 2026-08-13 | |
| Mid WEDBUSH SECURITIES INC Broker-Dealer | $977,834 | 0.09% | 12,362 | Shares | 2026-07-28 |
Key facts
CIK
1370450
CUSIP
96924N100
13F (30d)
191 filings
189 filers
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