Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in FCEL held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4.3M | $155.3M | +316.3% | 8.138% | 0.00% |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 3.6M | $128.6M | +18.5% | 6.740% | 0.01% |
| 3 | CITADEL ADVISORS LLC | 3.4M | $123.6M | +95.2% | 6.479% | 0.01% |
| 4 | JANE STREET GROUP, LLC | 3.0M | $109.7M | +907.0% | 5.753% | 0.01% |
| 5 | Legal & General Group Plc | 2.4M | $87.1M | -15.6% | 4.567% | 0.02% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2.3M | $84.0M | +6.9% | 4.404% | 0.00% |
| 7 | STATE STREET CORP | 2.1M | $77.2M | +818.0% | 4.047% | 0.00% |
| 8 | TWO SIGMA INVESTMENTS, LP | 2.1M | $74.2M | +60.9% | 3.891% | 0.05% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $50.7M | +142.2% | 2.659% | 0.00% |
| 10 | Encompass Capital Advisors LLC | 1.4M | $49.2M | — | 2.578% | 1.75% |
| 11 | UBS Group AG | 1.3M | $45.9M | +112.2% | 2.405% | 0.01% |
| 12 | RENAISSANCE TECHNOLOGIES LLC | 1.3M | $45.8M | +43.5% | 2.402% | 0.06% |
| 13 | PEAK6 LLC | 1.2M | $44.6M | +508.8% | 2.337% | 0.09% |
| 14 | Anatole Investment Management Ltd | 1.2M | $42.0M | — | 2.200% | 7.12% |
| 15 | DRIEHAUS CAPITAL MANAGEMENT LLC | 1.0M | $36.5M | — | 1.915% | 0.21% |
| 16 | Invesco Ltd. | 982K | $35.4M | -19.2% | 1.854% | 0.00% |
| 17 | Baird Financial Group, Inc. | 866K | $31.2M | — | 1.635% | 0.04% |
| 18 | Walleye Trading LLC | 772K | $27.8M | +6025.3% | 1.457% | 0.03% |
| 19 | MILLENNIUM MANAGEMENT LLC | 747K | $26.9M | -0.8% | 1.410% | 0.01% |
| 20 | Trexquant Investment LP | 739K | $26.6M | +42.4% | 1.396% | 0.16% |
| 21 | Point72 Asset Management, L.P. | 726K | $26.2M | +210.1% | 1.371% | 0.03% |
| 22 | GROUP ONE TRADING LLC | 696K | $25.1M | +1270.3% | 1.314% | 0.04% |
| 23 | VANGUARD PORTFOLIO MANAGEMENT LLC | 505K | $18.2M | +801.3% | 0.953% | 0.00% |
| 24 | BANK OF MONTREAL /CAN/ | 461K | $16.6M | +0.3% | 0.869% | 0.01% |
| 25 | MORGAN STANLEY | 451K | $16.2M | +31.6% | 0.851% | 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 FCEL — a direct measure of their conviction.
Filings activity in FCEL during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new FCEL position in Q2 2026
Institutions that fully closed their FCEL position in Q2 2026
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 |
|---|---|---|---|---|---|---|
| Q2 2026 | 229 | +54% | 97.88% | +34.15 pp | $1.76B | +897% |
| Q1 2026 | 149 | +4.9% | 63.73% | 1.53 pp | $177M | 22% |
| Q4 2025 | 142 | +21% | 65.26% | +39.28 pp | $226M | +117% |
| Q3 2025 | 117 | +16% | 25.98% | +14.51 pp | $104M | +212% |
| Q2 2025 | 101 | 1.0% | 11.47% | 6.01 pp | $33M | 19% |
| Q1 2025 | 102 | 1.9% | 17.48% | 1.02 pp | $41M | 52% |
| Q4 2024 | 104 | +3367% | 18.50% | +18.50 pp | $86M | +8996847% |
| Q3 2024 | 3 | — | 0.00% | — | $0M | — |
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 FCEL stock.
Based on Q2 2026 13F filings, institutional ownership of FuelCell Energy, Inc. stands at 97.9%, held across 229 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of FCEL, with approximately 4,311,575 shares worth $0.16B as of Q2 2026.
Yes — 7 widely-followed marquee investors appear among the top 25 institutional holders of FCEL, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC, JANE STREET GROUP, LLC, TWO SIGMA INVESTMENTS, LP, RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for FCEL is 91 out of 100 (Strong Smart Money). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
103 institutions opened new positions in FCEL during Q2 2026, while 22 fully exited. 111 added to existing positions and 8 trimmed.
FCEL institutional ownership rose by 34.15 percentage points quarter-over-quarter, with a net change of +80 holders.
The top 10 institutions account for 53.3% of all reported 13F value in FCEL, and the top 25 account for 79.7%.
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.
FuelCell Energy, Inc. (FCEL) Institutional Ownership