Arcosa Inc
Ownership
Ownership Structure
Who owns Arcosa Inc (ACA)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.1% of the shares are freely tradable; institutional investors hold 96.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.52 | 7,619,560 | +6.2 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.82 | 2,857,823 | +0.0 | 03/31/2026 |
| Neuberger Berman Group LLC | 5.45 | 2,673,845 | +1.5 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 4.79 | 2,351,171 | +1.5 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.48 | 2,198,324 | +0.0 | 03/31/2026 |
| T. Rowe Price Investment Management,Inc. | 4.23 | 2,078,844 | +3.3 | 03/31/2026 |
| State Street Corp | 4.03 | 1,980,645 | +1.7 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.09 | 2,990,903 | +0.0 | 08/31/2026 |
| American Funds SMALLCAP World A | 3.71 | 1,823,050 | -53.5 | 06/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.18 | 1,563,848 | +0.3 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Carrillo Antonio | President & CEO | 498,935 | 72,744,723 $ | Aug 26, 2026 | direct |
| Essl Reid S | Group President | 93,264 | 13,597,891 $ | Aug 25, 2026 | direct |
| Stevenson Bryan | CLO & Asst Corp Sec. | 37,476 | 5,464,001 $ | Aug 25, 2026 | direct |
| Trent Melanie Montague | Director | 17,931 | 2,614,340 $ | Aug 26, 2026 | direct |
| Hurst Eric D | VP Controller (PAO) | 3,119 | 454,750 $ | Aug 25, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 26, 2026 | Carrillo Antonio | President & CEO | Other | 26,666 | 0.00 | – |
| Aug 26, 2026 | Trent Melanie Montague | Director | Other | 2,000 | 0.00 | – |
| Aug 25, 2026 | Hurst Eric D | VP Controller (PAO) | Other | 2,382 | 0.00 | – |
| Aug 25, 2026 | Stevenson Bryan | CLO & Asst Corp Sec. | Other | 6,900 | 0.00 | – |
| Aug 25, 2026 | Essl Reid S | Group President | Other | 5,950 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.