Who owns Exponent, Inc. (EXPO)
Which tracked institutional funds hold EXPO, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See EXPO company fundamentals →
Ownership as of the 2026-Q1 13F filings. 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
70 tracked funds added or opened EXPO while 84 trimmed or exited it between 2025-Q4 and 2026-Q1 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
EXPO’s largest tracked holder by dollar value, VANGUARD GROUP INC, sizes it at 0.0% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 0.0pp gap the other way — the median holder sizes EXPO more heavily than its largest holder by dollar value does.
Book-share is each fund’s reported value in EXPO divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2025-Q4 and 2026-Q1, across 359 tracked filers holding EXPO, 197 increased or opened the position and 181 reduced or closed it; over the same quarter, open-market insider Form 4 buying and selling roughly offset.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in EXPO between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 21
- VANGUARD PORTFOLIO MANAGEMENT LLC$192M
- VANGUARD CAPITAL MANAGEMENT LLC$144M
- VANGUARD FIDUCIARY TRUST CO$23M
- RENAISSANCE TECHNOLOGIES LLC$6M
- LRT Capital Management, LLC$4M
- VANGUARD ASSET MANAGEMENT, Ltd$3M
Full exits 13
- VANGUARD GROUP INC$353M
- Point72 Asset Management, L.P.$36M
- TWO SIGMA ADVISERS, LP$26M
- COMERICA BANK$22M
- Assenagon Asset Management S.A.$8M
- Nearwater Capital Markets, Ltd$7M
Largest adds
- TWO SIGMA INVESTMENTS, LP$35M
- ROYCE & ASSOCIATES LP$29M
- AQR CAPITAL MANAGEMENT LLC$25M
- DEUTSCHE BANK AG\$21M
- FIFTH THIRD BANCORP$18M
- GOLDMAN SACHS GROUP INC$18M
Largest trims
- BlackRock, Inc.$179M
- NEUBERGER BERMAN GROUP LLC$55M
- Conestoga Capital Advisors, LLC$42M
- KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC$34M
- CITADEL ADVISORS LLC$14M
- MORGAN STANLEY$10M
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC trimmed | 3,886,308 | $254M | 7.4% | 2026-Q1 |
| BlackRock, Inc. trimmed | 3,820,976 | $249M | 7.3% | 2026-Q1 |
| VANGUARD PORTFOLIO MANAGEMENT LLC new | 2,946,756 | $192M | 5.6% | 2026-Q1 |
| VANGUARD CAPITAL MANAGEMENT LLC new | 2,210,650 | $144M | 4.2% | 2026-Q1 |
| Conestoga Capital Advisors, LLC trimmed | 1,906,505 | $124M | 3.6% | 2026-Q1 |
| STATE STREET CORP added | 1,889,536 | $123M | 3.6% | 2026-Q1 |
| GENEVA CAPITAL MANAGEMENT LLC added | 1,795,507 | $117M | 3.4% | 2026-Q1 |
| GEODE CAPITAL MANAGEMENT, LLC added | 1,647,614 | $108M | 3.2% | 2026-Q1 |
| ROYCE & ASSOCIATES LP added | 1,144,873 | $75M | 2.2% | 2026-Q1 |
| TWO SIGMA INVESTMENTS, LP added | 1,101,306 | $72M | 2.1% | 2026-Q1 |
| MORGAN STANLEY trimmed | 1,072,008 | $70M | 2.1% | 2026-Q1 |
| AQR CAPITAL MANAGEMENT LLC added | 971,436 | $63M | 1.9% | 2026-Q1 |
| FIRST TRUST ADVISORS LP added | 964,814 | $63M | 1.8% | 2026-Q1 |
| DIMENSIONAL FUND ADVISORS LP added | 918,885 | $60M | 1.8% | 2026-Q1 |
| NORGES BANK trimmed | 652,146 | $53M | 1.5% | 2026-Q1 |
| GOLDMAN SACHS GROUP INC added | 778,596 | $51M | 1.5% | 2026-Q1 |
| NEUBERGER BERMAN GROUP LLC trimmed | 724,076 | $47M | 1.4% | 2026-Q1 |
| Resona Asset Management Co.,Ltd. added | 691,256 | $45M | 1.3% | 2026-Q1 |
| NORTHERN TRUST CORP trimmed | 663,765 | $43M | 1.3% | 2026-Q1 |
| WELLS FARGO & COMPANY/MN added | 612,893 | $40M | 1.2% | 2026-Q1 |
| BANK OF AMERICA CORP /DE/ added | 539,793 | $35M | 1.0% | 2026-Q1 |
| RIVERBRIDGE PARTNERS LLC trimmed | 533,119 | $35M | 1.0% | 2026-Q1 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC added | 524,052 | $34M | 1.0% | 2026-Q1 |
| Invesco Ltd. trimmed | 523,833 | $34M | 1.0% | 2026-Q1 |
| MILLENNIUM MANAGEMENT LLC added | 520,151 | $34M | 1.0% | 2026-Q1 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. added | 517,610 | $34M | 1.0% | 2026-Q1 |
| BAMCO INC /NY/ added | 496,733 | $32M | 1.0% | 2026-Q1 |
| Bank of New York Mellon Corp trimmed | 454,923 | $30M | 0.9% | 2026-Q1 |
| RAYMOND JAMES FINANCIAL INC added | 402,267 | $26M | 0.8% | 2026-Q1 |
| DEUTSCHE BANK AG\ added | 365,985 | $24M | 0.7% | 2026-Q1 |
| UBS Group AG added | 357,710 | $23M | 0.7% | 2026-Q1 |
| VANGUARD FIDUCIARY TRUST CO new | 346,626 | $23M | 0.7% | 2026-Q1 |
| ENVESTNET ASSET MANAGEMENT INC added | 325,706 | $21M | 0.6% | 2026-Q1 |
| Pacer Advisors, Inc. added | 540,435 | $21M | 0.6% | 2026-Q1 |
| ROFFMAN MILLER ASSOCIATES INC /PA/ trimmed | 289,108 | $19M | 0.6% | 2026-Q1 |
| FIFTH THIRD BANCORP added | 280,639 | $18M | 0.5% | 2026-Q1 |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC added | 272,963 | $18M | 0.5% | 2026-Q1 |
| JPMORGAN CHASE & CO trimmed | 268,588 | $18M | 0.5% | 2026-Q1 |
| Fenimore Asset Management Inc trimmed | 259,140 | $17M | 0.5% | 2026-Q1 |
| SEI INVESTMENTS CO added | 226,271 | $15M | 0.4% | 2026-Q1 |
| EULAV Asset Management trimmed | 223,100 | $15M | 0.4% | 2026-Q1 |
| Nuveen, LLC added | 221,632 | $14M | 0.4% | 2026-Q1 |
| JANE STREET GROUP, LLC added | 209,953 | $14M | 0.4% | 2026-Q1 |
| BARCLAYS PLC added | 199,229 | $13M | 0.4% | 2026-Q1 |
| D. E. Shaw & Co., Inc. trimmed | 192,096 | $13M | 0.4% | 2026-Q1 |
| Montanaro Asset Management Ltd added | 191,800 | $13M | 0.4% | 2026-Q1 |
| ROYAL BANK OF CANADA trimmed | 178,964 | $12M | 0.3% | 2026-Q1 |
| PRINCIPAL FINANCIAL GROUP INC added | 177,308 | $12M | 0.3% | 2026-Q1 |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO | 173,372 | $11M | 0.3% | 2026-Q1 |
| BLI - Banque de Luxembourg Investments | 162,649 | $11M | 0.3% | 2026-Q1 |
| RHUMBLINE ADVISERS added | 158,247 | $10M | 0.3% | 2026-Q1 |
| Trexquant Investment LP added | 152,663 | $10M | 0.3% | 2026-Q1 |
| CANADA PENSION PLAN INVESTMENT BOARD trimmed | 150,500 | $10M | 0.3% | 2026-Q1 |
| ALGERT GLOBAL LLC added | 149,230 | $10M | 0.3% | 2026-Q1 |
| BNP PARIBAS FINANCIAL MARKETS trimmed | 141,500 | $9M | 0.3% | 2026-Q1 |
| AMERIPRISE FINANCIAL INC trimmed | 124,850 | $8M | 0.2% | 2026-Q1 |
| DF DENT & CO INC trimmed | 114,920 | $7M | 0.2% | 2026-Q1 |
| ALPS ADVISORS INC trimmed | 107,655 | $7M | 0.2% | 2026-Q1 |
| TEACHER RETIREMENT SYSTEM OF TEXAS trimmed | 105,353 | $7M | 0.2% | 2026-Q1 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC trimmed | 104,358 | $7M | 0.2% | 2026-Q1 |
| CAPITAL FUND MANAGEMENT S.A. added | 103,643 | $7M | 0.2% | 2026-Q1 |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC added | 103,277 | $7M | 0.2% | 2026-Q1 |
| Swiss National Bank trimmed | 98,600 | $6M | 0.2% | 2026-Q1 |
| STIFEL FINANCIAL CORP added | 98,172 | $6M | 0.2% | 2026-Q1 |
| ALLIANCEBERNSTEIN L.P. trimmed | 91,178 | $6M | 0.2% | 2026-Q1 |
| ProShare Advisors LLC added | 95,474 | $6M | 0.2% | 2026-Q1 |
| NICHOLAS COMPANY, INC. trimmed | 90,820 | $6M | 0.2% | 2026-Q1 |
| Retirement Systems of Alabama added | 90,759 | $6M | 0.2% | 2026-Q1 |
| RENAISSANCE TECHNOLOGIES LLC trimmed | 88,000 | $6M | 0.2% | 2026-Q1 |
| California Public Employees Retirement System trimmed | 84,317 | $6M | 0.2% | 2026-Q1 |
| Granite Investment Partners, LLC trimmed | 76,194 | $5M | 0.1% | 2026-Q1 |
| Man Group plc trimmed | 76,001 | $5M | 0.1% | 2026-Q1 |
| Qube Research & Technologies Ltd added | 75,887 | $5M | 0.1% | 2026-Q1 |
| AMERICAN CENTURY COMPANIES INC added | 73,573 | $5M | 0.1% | 2026-Q1 |
| Legal & General Group Plc trimmed | 71,139 | $5M | 0.1% | 2026-Q1 |
| Vest Financial, LLC added | 68,563 | $4M | 0.1% | 2026-Q1 |
| Creative Planning trimmed | 66,300 | $4M | 0.1% | 2026-Q1 |
| LRT Capital Management, LLC trimmed | 60,882 | $4M | 0.1% | 2026-Q1 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM added | 60,432 | $4M | 0.1% | 2026-Q1 |
| LPL Financial LLC trimmed | 58,082 | $4M | 0.1% | 2026-Q1 |
| PRICE T ROWE ASSOCIATES INC /MD/ added | 57,739 | $4M | 0.1% | 2026-Q1 |
| Holocene Advisors, LP added | 54,055 | $4M | 0.1% | 2026-Q1 |
| XTX Topco Ltd added | 52,687 | $3M | 0.1% | 2026-Q1 |
| VANGUARD GROUP INC trimmed | 5,074,964 | $353M | 10.3% | 2025-Q4 stale |
| Fundsmith LLP trimmed | 746,820 | $56M | 1.6% | 2025-Q2 stale |
| Point72 Asset Management, L.P. added | 520,453 | $36M | 1.1% | 2025-Q4 stale |
| TWO SIGMA ADVISERS, LP added | 377,500 | $26M | 0.8% | 2025-Q4 stale |
| TimesSquare Capital Management, LLC trimmed | 292,539 | $22M | 0.6% | 2025-Q2 stale |
| COMERICA BANK added | 314,203 | $22M | 0.6% | 2025-Q4 stale |
| Assenagon Asset Management S.A. added | 112,873 | $8M | 0.2% | 2025-Q4 stale |
| Nearwater Capital Markets, Ltd | 95,300 | $7M | 0.2% | 2025-Q4 stale |
| BALYASNY ASSET MANAGEMENT L.P. added | 87,496 | $7M | 0.2% | 2025-Q2 stale |
| Corebridge Financial, Inc. trimmed | 80,493 | $7M | 0.2% | 2025-Q1 stale |
| Pier Capital, LLC trimmed | 79,939 | $6M | 0.2% | 2025-Q1 stale |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP trimmed | 79,866 | $6M | 0.2% | 2025-Q2 stale |
| Curi RMB Capital, LLC trimmed | 66,897 | $5M | 0.2% | 2025-Q1 stale |
| AXIOM INVESTORS LLC /DE trimmed | 60,333 | $5M | 0.1% | 2025-Q1 stale |
| JACOBS LEVY EQUITY MANAGEMENT, INC trimmed | 67,416 | $5M | 0.1% | 2025-Q4 stale |
| VAN ECK ASSOCIATES CORP added | 53,279 | $4M | 0.1% | 2025-Q1 stale |
| Cubist Systematic Strategies, LLC trimmed | 50,949 | $4M | 0.1% | 2025-Q3 stale |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.