Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in RES held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 14.5M | $103.0M | +1.9% | 6.563% | 0.00% |
| 2 | DIMENSIONAL FUND ADVISORS LP | 12.5M | $88.8M | +7.6% | 5.659% | 0.02% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 6.5M | $46.1M | — | 2.938% | 0.00% |
| 4 | STATE STREET CORP | 4.3M | $30.1M | +5.0% | 1.918% | 0.00% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 4.2M | $29.9M | — | 1.905% | 0.00% |
| 6 | AMERICAN CENTURY COMPANIES INC | 4.2M | $29.5M | +3.5% | 1.877% | 0.02% |
| 7 | GAMCO INVESTORS, INC. ET AL | 2.9M | $20.5M | -1.7% | 1.304% | 0.20% |
| 8 | IES Holdings, Inc. | 2.5M | $17.8M | -3.4% | 1.133% | 8.31% |
| 9 | TWO SIGMA INVESTMENTS, LP | 2.5M | $17.7M | +217.0% | 1.129% | 0.01% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 2.2M | $15.6M | +3.5% | 0.995% | 0.00% |
| 11 | GABELLI FUNDS LLC | 2.2M | $15.4M | -0.1% | 0.981% | 0.10% |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.0M | $14.1M | +9.2% | 0.896% | 0.00% |
| 13 | MORGAN STANLEY | 2.0M | $13.8M | +24.6% | 0.881% | 0.00% |
| 14 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1.7M | $12.1M | +1.8% | 0.769% | 0.24% |
| 15 | SIR Capital Management, L.P. | 1.6M | $11.3M | — | 0.720% | 1.06% |
| 16 | Bank of New York Mellon Corp | 1.6M | $11.3M | +0.6% | 0.718% | 0.00% |
| 17 | Invesco Ltd. | 1.5M | $10.6M | +38.2% | 0.678% | 0.00% |
| 18 | BANK OF AMERICA CORP /DE/ | 1.5M | $10.6M | -16.5% | 0.674% | 0.00% |
| 19 | CONGRESS ASSET MANAGEMENT CO /MA | 1.5M | $10.3M | +13.9% | 0.655% | 0.07% |
| 20 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 1.3M | $9.3M | -14.4% | 0.590% | 0.03% |
| 21 | Empowered Funds, LLC | 1.1M | $7.9M | +6.4% | 0.505% | 0.05% |
| 22 | NORTHERN TRUST CORP | 989K | $7.0M | +4.2% | 0.446% | 0.00% |
| 23 | UBS Group AG | 893K | $6.3M | +35.9% | 0.403% | 0.00% |
| 24 | Creative Planning | 791K | $5.6M | +15.7% | 0.357% | 0.00% |
| 25 | FIRST TRUST ADVISORS LP | 790K | $5.6M | -7.2% | 0.356% | 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 RES — a direct measure of their conviction.
Filings activity in RES during Q1 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 |
|---|---|---|---|---|---|---|
| Q1 2026 | 221 | +0.0% | 41.07% | +10.10 pp | $654M | +33% |
| Q4 2025 | 221 | +11% | 30.97% | +4.69 pp | $494M | +18% |
| Q3 2025 | 200 | 5.7% | 26.28% | 0.13 pp | $419M | 0.5% |
| Q2 2025 | 212 | +5.0% | 26.41% | 3.28 pp | $421M | 11% |
| Q1 2025 | 202 | 1.5% | 29.69% | 3.36 pp | $473M | 10% |
| Q4 2024 | 205 | 4.2% | 33.05% | 4.11 pp | $527M | 11% |
| Q3 2024 | 214 | 0.5% | 37.16% | +3.10 pp | $592M | +9.1% |
| Q2 2024 | 215 | — | 34.06% | — | $543M | — |
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 RES stock.
Based on Q1 2026 13F filings, institutional ownership of RPC, Inc. stands at 41.1%, held across 221 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of RES, with approximately 14,546,183 shares worth $0.10B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of RES, including TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for RES is 59 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
35 institutions opened new positions in RES during Q1 2026, while 35 fully exited. 157 added to existing positions and 26 trimmed.
RES institutional ownership rose by 10.10 percentage points quarter-over-quarter, with a net change of +0 holders.
The top 10 institutions account for 61.0% of all reported 13F value in RES, and the top 25 account for 84.0%.
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.
RPC, Inc. (RES) Institutional Ownership