Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in CLNE held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 15.4M | $38.2M | -1.7% | 6.991% | 0.00% |
| 2 | Grantham, Mayo, Van Otterloo & Co. LLC | 11.2M | $27.8M | -1.0% | 5.085% | 0.07% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 7.2M | $17.9M | — | 3.286% | 0.00% |
| 4 | Global Alpha Capital Management Ltd. | 7.1M | $17.7M | +8.9% | 3.236% | 1.06% |
| 5 | DIMENSIONAL FUND ADVISORS LP | 6.5M | $16.2M | -11.0% | 2.972% | 0.00% |
| 6 | STATE STREET CORP | 5.8M | $14.5M | +12.3% | 2.652% | 0.00% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 4.4M | $10.8M | +2.3% | 1.979% | 0.00% |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | 4.0M | $9.8M | — | 1.797% | 0.00% |
| 9 | D. E. Shaw & Co., Inc. | 3.2M | $8.0M | +16.5% | 1.464% | 0.01% |
| 10 | ECP ControlCo, LLC | 2.6M | $6.4M | 0.0% | 1.178% | 0.10% |
| 11 | CITADEL ADVISORS LLC | 2.6M | $6.4M | +110.4% | 1.163% | 0.00% |
| 12 | SIR Capital Management, L.P. | 2.1M | $5.2M | 0.0% | 0.955% | 0.49% |
| 13 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1.7M | $4.2M | +4.4% | 0.761% | 0.08% |
| 14 | J. Derek Lewis & Associates Inc. | 1.9M | $3.9M | — | 0.847% | 0.92% |
| 15 | GOLDMAN SACHS GROUP INC | 1.5M | $3.6M | +2.5% | 0.668% | 0.00% |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.4M | $3.5M | -0.5% | 0.649% | 0.00% |
| 17 | NORTHERN TRUST CORP | 1.4M | $3.4M | +6.8% | 0.629% | 0.00% |
| 18 | MORGAN STANLEY | 1.3M | $3.2M | -18.0% | 0.584% | 0.00% |
| 19 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.3M | $3.2M | — | 0.579% | 0.00% |
| 20 | VANGUARD FIDUCIARY TRUST CO | 1.2M | $2.9M | — | 0.529% | 0.00% |
| 21 | MILLENNIUM MANAGEMENT LLC | 1.1M | $2.7M | -16.1% | 0.498% | 0.00% |
| 22 | Empowered Funds, LLC | 1.1M | $2.7M | +7.0% | 0.488% | 0.02% |
| 23 | RENAISSANCE TECHNOLOGIES LLC | 1.0M | $2.6M | +10.5% | 0.469% | 0.00% |
| 24 | EverSource Wealth Advisors, LLC | 43K | $2.2M | +7297.1% | 0.020% | 0.07% |
| 25 | GMT CAPITAL CORP | 768K | $1.9M | — | 0.349% | 0.09% |
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 CLNE — a direct measure of their conviction.
Filings activity in CLNE 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 | 212 | +7.1% | 61.49% | +11.66 pp | $259M | +23% |
| Q4 2025 | 198 | +4.8% | 49.83% | 12.07 pp | $210M | 20% |
| Q3 2025 | 189 | 9.1% | 61.90% | +14.70 pp | $260M | +31% |
| Q2 2025 | 208 | 0.5% | 47.20% | +7.66 pp | $199M | +19% |
| Q1 2025 | 209 | 5.4% | 39.54% | 69.38 pp | $166M | 64% |
| Q4 2024 | 221 | +6.8% | 108.92% | +25.56 pp | $458M | +31% |
| Q3 2024 | 207 | +2.0% | 83.36% | 116.63 pp | $351M | 82% |
| Q2 2024 | 203 | — | 199.99% | — | $1.95B | — |
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 CLNE stock.
Based on Q1 2026 13F filings, institutional ownership of Clean Energy Fuels Corp. stands at 61.5%, held across 212 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of CLNE, with approximately 15,395,806 shares worth $0.04B as of Q1 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of CLNE, including CITADEL ADVISORS LLC, MILLENNIUM MANAGEMENT LLC, RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for CLNE is 74 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
39 institutions opened new positions in CLNE during Q1 2026, while 25 fully exited. 135 added to existing positions and 34 trimmed.
CLNE institutional ownership rose by 11.66 percentage points quarter-over-quarter, with a net change of +14 holders.
The top 10 institutions account for 64.7% of all reported 13F value in CLNE, and the top 25 account for 84.6%.
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.