1,171 institutions reported holding $27.31B of First Solar Inc (FSLR) in SEC 13F filings for 2026-03-31. Largest institutional holders: BlackRock, Inc. ($2.73B), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($2.24B), JANE STREET GROUP, LLC ($1.92B), VANGUARD CAPITAL MANAGEMENT LLC ($1.34B), CITADEL ADVISORS LLC ($1.25B). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $2.73B | 13.8M | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2.24B | 11.4M | Trimmed |
| 3 | JANE STREET GROUP, LLC | $1.92B | 9.7M | Trimmed |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $1.34B | 6.8M | New |
| 5 | CITADEL ADVISORS LLC | $1.25B | 6.3M | Trimmed |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.12B | 5.7M | New |
| 7 | JPMORGAN CHASE & CO | $1.07B | 5.8M | Added |
| 8 | STATE STREET CORP | $1.04B | 5.3M | Added |
| 9 | IMC-Chicago, LLC | $698.0M | 3.5M | Trimmed |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $612.0M | 3.1M | Added |
| 11 | Invesco Ltd. | $524.1M | 2.7M | Added |
| 12 | Hill City Capital, LP | $429.5M | 2.2M | Added |
| 13 | GROUP ONE TRADING LLC | $426.9M | 2.2M | Trimmed |
| 14 | Walleye Trading LLC | $405.5M | 2.1M | Trimmed |
| 15 | Amundi | $404.3M | 2.0M | Trimmed |
| 16 | FMR LLC | $356.7M | 1.8M | Trimmed |
| 17 | MORGAN STANLEY | $331.9M | 1.7M | Trimmed |
| 18 | BNP PARIBAS ASSET MANAGEMENT Holding S.A. | $331.7M | 1.7M | Trimmed |
| 19 | UBS Group AG | $303.8M | 1.5M | Trimmed |
| 20 | UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC | $283.1M | 1.4M | Added |
| 21 | Clean Energy Transition LLP | $281.4M | 1.4M | Added |
| 22 | NORTHERN TRUST CORP | $274.3M | 1.4M | Added |
| 23 | DIMENSIONAL FUND ADVISORS LP | $257.4M | 1.3M | Added |
| 24 | D. E. Shaw & Co., Inc. | $239.2M | 1.2M | Trimmed |
| 25 | MILLENNIUM MANAGEMENT LLC | $229.8M | 1.2M | Added |
Source: SEC Form 13F filings · as of 2026-03-31