Security Snapshot

EXPONENT INC - Common Stock (EXPO) Institutional Ownership

CUSIP: 30214U102

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

356

Shares (Excl. Options)

47,395,110

Price

$69.46

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Type / Class
Equity / Common Stock
Symbol
EXPO on Nasdaq
Shares outstanding
49,262,686
Price per share
$66.61
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
47,395,110
Total reported value
$3,292,749,618
% of total 13F portfolios
0%
Share change
+309,447
Value change
+$21,392,745
Number of holders
356
Price from insider filings
$66.61
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • EXPO - EXPONENT INC - Common Stock is tracked under CUSIP 30214U102.
  • 356 institutions reported positions in Q4 2025.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 356 to 194 between Q4 2025 and Q1 2026.
  • Reported value moved from $3,292,749,618 to $1,266,215,977.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 356 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 30214U102?
CUSIP 30214U102 identifies EXPO - EXPONENT INC - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of EXPONENT INC - Common Stock (EXPO) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD PORTFOLIO MANAGEMENT LLC 6.1% $195,110,224 2,990,195 Vanguard Portfolio Management 31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC 5.2% $168,755,488 2,586,291 Vanguard Capital Management 31 Mar 2026
Conestoga Capital Advisors, LLC 5.1% -14% $175,473,413 -$31,414,140 2,526,244 -15% Conestoga Capital Advisors 31 Dec 2025

As of 31 Dec 2025, 356 institutional investors reported holding 47,395,110 shares of EXPONENT INC - Common Stock (EXPO). This represents 96% of the company’s total 49,262,686 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of EXPONENT INC - Common Stock (EXPO) together control 72% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 13% 6,164,467 +1.6% 0.01% $428,183,912
VANGUARD GROUP INC 10% 5,143,010 -2.1% 0.01% $357,233,475
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 8.4% 4,143,107 -7.7% 0.77% $287,780,254
Conestoga Capital Advisors, LLC 4.9% 2,392,499 +1.3% 2.8% $166,182,949
STATE STREET CORP 3.8% 1,855,626 -0.1% 0% $128,891,782
GENEVA CAPITAL MANAGEMENT LLC 3.5% 1,727,401 -7.1% 2.3% $119,985,289
GEODE CAPITAL MANAGEMENT, LLC 3.2% 1,590,205 -0.19% 0.01% $110,468,159
NEUBERGER BERMAN GROUP LLC 3% 1,478,536 -5.4% 0.08% $102,699,110
MORGAN STANLEY 2.3% 1,154,209 +3.6% 0% $80,171,472
DIMENSIONAL FUND ADVISORS LP 1.8% 898,615 +0.3% 0.01% $62,419,191
FIRST TRUST ADVISORS LP 1.8% 898,343 +55% 0.05% $62,398,914
NORTHERN TRUST CORP 1.5% 740,274 +0.94% 0.01% $51,419,432
NORGES BANK 1.5% 736,619 0.01% $51,165,556
Resona Asset Management Co.,Ltd. 1.4% 668,102 -5.3% 0.22% $46,761,455
ROYCE & ASSOCIATES LP 1.3% 652,109 +74% 0.46% $45,295,491
WELLS FARGO & COMPANY/MN 1.2% 600,966 -15% 0.01% $41,743,034
Invesco Ltd. 1.2% 581,878 +2.7% 0.01% $40,417,246
RIVERBRIDGE PARTNERS LLC 1.1% 554,193 +15% 0.72% $38,494,276
AQR CAPITAL MANAGEMENT LLC 1.1% 547,737 +115% 0.02% $38,045,788
BANK OF AMERICA CORP /DE/ 1.1% 537,086 -14% 0% $37,305,969
TWO SIGMA INVESTMENTS, LP 1.1% 523,704 +22% 0.05% $36,376,480
Point72 Asset Management, L.P. 1.1% 520,453 +10% 0.06% $36,150,665
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1% 516,095 -2.5% 0.01% $35,847,959
GOLDMAN SACHS GROUP INC 0.97% 476,974 +37% 0% $33,130,584
BAMCO INC /NY/ 0.96% 470,868 -6.3% 0.09% $32,706,491

Institutional Holders of EXPONENT INC - Common Stock (EXPO) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 19,405,341 $1,266,215,977 -$1,621,326 $65.25 194
2025 Q4 47,395,110 $3,292,749,618 +$21,392,745 $69.46 356
2025 Q3 47,134,807 $3,275,018,561 -$141,725,227 $69.48 358
2025 Q2 48,947,044 $3,656,495,154 +$140,843,826 $74.71 364
2025 Q1 46,938,157 $3,805,201,688 -$48,409,970 $81.06 389
2024 Q4 47,424,091 $4,226,068,020 -$12,300,774 $89.10 366
2024 Q3 47,312,533 $5,452,484,237 +$26,966,417 $115.28 368
2024 Q2 46,957,567 $4,466,661,319 -$16,612,024 $95.12 352
2024 Q1 46,829,755 $3,875,872,836 -$7,785,032 $82.69 324
2023 Q4 46,464,028 $4,090,805,490 +$15,650,972 $88.04 351
2023 Q3 46,248,445 $3,958,973,594 +$9,763,021 $85.60 353
2023 Q2 45,821,114 $4,276,553,328 +$7,871,544 $93.32 352
2023 Q1 45,677,482 $4,553,555,716 -$46,834,685 $99.69 357
2022 Q4 46,398,422 $4,598,139,488 +$7,832,451 $99.09 344
2022 Q3 46,719,062 $4,097,037,351 -$22,426,495 $87.67 338
2022 Q2 46,892,120 $4,289,213,766 +$28,920,300 $91.47 341
2022 Q1 46,881,129 $5,064,181,149 +$19,057,154 $108.05 350
2021 Q4 46,627,453 $5,440,337,252 -$47,175,308 $116.73 356
2021 Q3 46,948,826 $5,311,332,346 +$54,880,814 $113.15 334
2021 Q2 46,032,665 $4,105,734,715 -$48,016,712 $89.21 307
2021 Q1 46,626,652 $4,543,098,942 +$5,401,456 $97.45 307
2020 Q4 46,602,638 $4,195,632,940 -$17,643,664 $90.03 301
2020 Q3 47,234,948 $3,402,448,367 +$24,245,917 $72.03 298
2020 Q2 46,846,159 $3,789,778,317 +$66,140,478 $80.93 285
2020 Q1 46,141,337 $3,317,890,686 -$81,306,899 $71.91 270
2019 Q4 46,079,078 $3,180,625,414 -$14,639,194 $69.01 265
2019 Q3 46,334,943 $3,238,154,294 +$22,046,854 $69.90 273
2019 Q2 46,260,536 $2,708,337,703 +$23,621,599 $58.54 260
2019 Q1 46,449,036 $2,680,926,510 -$2,068,598 $57.72 260
2018 Q4 46,533,425 $2,359,190,210 +$6,401,664 $50.71 244
2018 Q3 46,299,460 $2,481,041,737 -$17,420,749 $53.60 224
2018 Q2 46,655,632 $2,253,724,204 +$1,145,837,959 $48.30 209
2018 Q1 22,865,262 $1,798,609,277 +$56,363 $78.65 202
2017 Q4 22,878,962 $1,626,846,730 -$17,910,840 $71.10 200
2017 Q3 23,096,944 $1,706,813,148 +$15,280,547 $73.90 181
2017 Q2 22,949,368 $1,338,044,677 -$22,891,347 $58.30 182
2017 Q1 23,317,134 $1,388,384,096 +$140,208,454 $59.55 173
2016 Q4 23,822,628 $1,436,347,514 -$24,385,692 $60.30 176
2016 Q3 24,246,068 $1,237,500,757 +$21,440,169 $51.06 156
2016 Q2 23,738,594 $1,386,365,888 +$38,269,067 $58.41 158
2016 Q1 23,138,637 $1,179,923,149 -$30,342,031 $51.01 161
2015 Q4 23,762,208 $1,186,941,216 -$15,936,152 $49.95 158
2015 Q3 23,514,308 $1,047,790,723 +$25,361,374 $44.56 148
2015 Q2 23,043,701 $1,031,860,386 +$505,140,905 $44.78 152
2015 Q1 11,336,597 $1,007,486,950 -$9,011,013 $88.90 143
2014 Q4 11,568,241 $954,379,885 -$9,353,066 $82.50 143
2014 Q3 11,676,677 $829,151,703 -$4,074,546 $70.88 139
2014 Q2 11,752,128 $870,937,701 +$7,199,049 $74.11 137
2014 Q1 11,653,590 $874,527,592 +$24,232,347 $75.06 136
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