Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in AROC held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 28.1M | $978.0M | +2.5% | 16.036% | 0.02% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 10.9M | $380.6M | β | 6.241% | 0.02% |
| 3 | EARNEST PARTNERS LLC | 9.8M | $339.9M | -2.7% | 5.573% | 1.40% |
| 4 | Invesco Ltd. | 8.0M | $278.9M | -8.1% | 4.573% | 0.04% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 7.5M | $260.9M | β | 4.278% | 0.01% |
| 6 | STATE STREET CORP | 7.2M | $251.8M | +3.1% | 4.129% | 0.01% |
| 7 | BANK OF AMERICA CORP /DE/ | 6.7M | $232.4M | -3.7% | 3.811% | 0.02% |
| 8 | AMERICAN CENTURY COMPANIES INC | 5.9M | $206.1M | +6.6% | 3.379% | 0.11% |
| 9 | DIMENSIONAL FUND ADVISORS LP | 5.5M | $192.3M | -19.1% | 3.153% | 0.04% |
| 10 | SEI INVESTMENTS CO | 4.4M | $154.3M | -2.1% | 2.530% | 0.14% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 4.2M | $144.8M | -0.1% | 2.373% | 0.01% |
| 12 | FMR LLC | 4.1M | $144.4M | -11.8% | 2.367% | 0.01% |
| 13 | GOLDMAN SACHS GROUP INC | 3.2M | $111.3M | -3.1% | 1.825% | 0.01% |
| 14 | VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 2.5M | $87.1M | +6.5% | 1.428% | 0.87% |
| 15 | Neuberger Berman Group LLC | 2.4M | $83.5M | +85.6% | 1.369% | 0.06% |
| 16 | MORGAN STANLEY | 2.2M | $76.1M | -16.1% | 1.248% | 0.00% |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.2M | $75.5M | +1.1% | 1.238% | 0.01% |
| 18 | Bank of New York Mellon Corp | 2.1M | $71.9M | -0.8% | 1.179% | 0.01% |
| 19 | FRANKLIN RESOURCES INC | 2.1M | $71.5M | +19.8% | 1.172% | 0.02% |
| 20 | NORTHERN TRUST CORP | 1.9M | $66.6M | +2.2% | 1.092% | 0.01% |
| 21 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1.9M | $66.6M | -6.3% | 1.092% | 0.09% |
| 22 | TWO SIGMA INVESTMENTS, LP | 1.6M | $55.2M | +116.0% | 0.905% | 0.04% |
| 23 | Energy Income Partners, LLC | 1.4M | $48.5M | -13.5% | 0.795% | 0.78% |
| 24 | CITADEL ADVISORS LLC | 1.3M | $45.5M | -39.1% | 0.746% | 0.02% |
| 25 | JONES FINANCIAL COMPANIES LLLP | 1.3M | $45.2M | +44176.5% | 0.725% | 0.02% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in AROC β a direct measure of their conviction.
Filings activity in AROC during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new AROC position in Q1 2026
Institutions that fully closed their AROC position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 417 | +14% | 89.35% | +21.35 pp | $5.73B | +31% |
| Q4 2025 | 366 | +4.0% | 68.00% | +0.23 pp | $4.36B | +0.3% |
| Q3 2025 | 352 | 2.8% | 67.77% | +5.57 pp | $4.35B | +9.0% |
| Q2 2025 | 362 | 1.6% | 62.20% | 2.47 pp | $3.99B | 3.8% |
| Q1 2025 | 368 | +11% | 64.67% | 96.62 pp | $4.15B | 60% |
| Q4 2024 | 331 | +11% | 161.29% | +110.60 pp | $10.35B | +218% |
| Q3 2024 | 297 | +0.3% | 50.69% | +6.83 pp | $3.25B | +16% |
| Q2 2024 | 296 | β | 43.86% | β | $2.81B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying AROC stock.
Based on Q1 2026 13F filings, institutional ownership of Archrock, Inc. stands at 89.3%, held across 417 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of AROC, with approximately 28,103,162 shares worth $0.98B as of Q1 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of AROC, including TWO SIGMA INVESTMENTS, LP, CITADEL ADVISORS LLC.
Our composite Smart Money Score for AROC is 74 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
100 institutions opened new positions in AROC during Q1 2026, while 49 fully exited. 273 added to existing positions and 43 trimmed.
AROC institutional ownership rose by 21.35 percentage points quarter-over-quarter, with a net change of +51 holders.
The top 10 institutions account for 57.1% of all reported 13F value in AROC, and the top 25 account for 78.0%.
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.