Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in EXPO held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 6.2M | $363.4M | +1.9% | 12.749% | 0.01% |
| 2 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 4.0M | $234.8M | +2.8% | 8.236% | 0.73% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.1M | $184.7M | +6.7% | 6.480% | 0.01% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2.2M | $128.1M | -1.4% | 4.494% | 0.00% |
| 5 | STATE STREET CORP | 1.9M | $114.2M | +2.9% | 4.007% | 0.00% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1.7M | $102.7M | +6.1% | 3.603% | 0.01% |
| 7 | GENEVA CAPITAL MANAGEMENT LLC | 1.4M | $82.6M | -21.7% | 2.897% | 1.89% |
| 8 | ROYCE & ASSOCIATES LP | 1.3M | $77.7M | +15.6% | 2.727% | 0.63% |
| 9 | Conestoga Capital Advisors, LLC | 1.3M | $74.4M | -33.6% | 2.609% | 1.62% |
| 10 | MORGAN STANLEY | 1.2M | $71.3M | +13.3% | 2.502% | 0.00% |
| 11 | AQR CAPITAL MANAGEMENT LLC | 1.1M | $67.3M | +16.7% | 2.360% | 0.02% |
| 12 | FIRST TRUST ADVISORS LP | 1.1M | $63.7M | +12.3% | 2.233% | 0.04% |
| 13 | TWO SIGMA INVESTMENTS, LP | 1.0M | $60.7M | -6.2% | 2.130% | 0.04% |
| 14 | DIMENSIONAL FUND ADVISORS LP | 928K | $54.5M | +0.9% | 1.912% | 0.01% |
| 15 | NORGES BANK | 884K | $51.9M | — | 1.822% | 0.01% |
| 16 | Resona Asset Management Co.,Ltd. | 754K | $44.5M | +9.1% | 1.555% | 0.21% |
| 17 | NORTHERN TRUST CORP | 648K | $38.1M | -2.4% | 1.336% | 0.00% |
| 18 | WELLS FARGO & COMPANY/MN | 568K | $33.4M | -7.3% | 1.171% | 0.01% |
| 19 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 560K | $32.9M | +8.1% | 1.153% | 0.04% |
| 20 | Invesco Ltd. | 534K | $31.4M | -6.7% | 1.100% | 0.00% |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 527K | $31.0M | +0.6% | 1.086% | 0.00% |
| 22 | BANK OF AMERICA CORP /DE/ | 498K | $29.3M | -7.7% | 1.027% | 0.00% |
| 23 | JPMORGAN CHASE & CO | 481K | $28.9M | +79.2% | 0.992% | 0.00% |
| 24 | GOLDMAN SACHS GROUP INC | 446K | $26.2M | -42.7% | 0.920% | 0.00% |
| 25 | Bank of New York Mellon Corp | 416K | $24.4M | -8.6% | 0.857% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in EXPO — a direct measure of their conviction.
Filings activity in EXPO during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 342 | 4.5% | 95.07% | 1.02 pp | $2.69B | 11% |
| Q1 2026 | 358 | +2.3% | 96.09% | 0.72 pp | $3.00B | 6.3% |
| Q4 2025 | 350 | +1.4% | 96.81% | +1.00 pp | $3.21B | +1.2% |
| Q3 2025 | 345 | 4.4% | 95.81% | 3.59 pp | $3.17B | 26% |
| Q2 2025 | 361 | 4.0% | 99.40% | +4.38 pp | $4.26B | +17% |
| Q1 2025 | 376 | +5.3% | 95.02% | 0.64 pp | $3.63B | 13% |
| Q4 2024 | 357 | +0.0% | 95.66% | +2.48 pp | $4.19B | 17% |
| Q3 2024 | 357 | — | 93.18% | — | $5.05B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying EXPO stock.
Based on Q2 2026 13F filings, institutional ownership of Exponent, Inc. stands at 95.1%, held across 342 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of EXPO, with approximately 6,184,950 shares worth $0.36B as of Q2 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of EXPO, including TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for EXPO is 32 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
35 institutions opened new positions in EXPO during Q2 2026, while 55 fully exited. 65 added to existing positions and 230 trimmed.
EXPO institutional ownership fell by 1.02 percentage points quarter-over-quarter, with a net change of -16 holders.
The top 10 institutions account for 53.4% of all reported 13F value in EXPO, and the top 25 account for 76.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Exponent, Inc. (EXPO) Institutional Ownership