RPC Inc
Ownership
Ownership Structure
Who owns RPC Inc (RES)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 39.6% of the shares are freely tradable; institutional investors hold 45.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 6.56 | 14,546,183 | +1.9 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 5.89 | 13,061,190 | +4.1 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 2.94 | 6,510,870 | +0.0 | 03/31/2026 |
| American Century Companies Inc | 1.92 | 4,250,776 | +2.2 | 06/30/2026 |
| State Street Corp | 1.92 | 4,250,097 | +5.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 1.91 | 4,222,745 | +0.0 | 03/31/2026 |
| Van Eck Associates Corporation | 1.56 | 3,461,960 | +38.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 2.45 | 5,429,015 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 1.60 | 3,545,380 | +0.0 | 07/31/2026 |
| Avantis US Small Cap Value ETF | 1.43 | 3,174,272 | +0.0 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
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.