First Solar
FSLR · NASDAQ
Who owns FSLR
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 42.9% of FSLR’s shares.
- BlackRock Institutional Trust Company, N.A.7.1%
- Vanguard Capital Management, LLC6.4%
- Vanguard Portfolio Management, LLC5.2%
- State Street Investment Management (US)5.2%
- Next 6 largest institutions19.0%
- All other shareholders57.1%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 7.67M | 7.14% |
| Vanguard Capital Management, LLC | 6.84M | 6.36% |
| Vanguard Portfolio Management, LLC | 5.64M | 5.25% |
| State Street Investment Management (US) | 5.58M | 5.19% |
| Ebrahimi (Farhad Fred) | 5.30M | 4.93% |
| Capital World Investors | 4.11M | 3.83% |
| Geode Capital Management, L.L.C. | 3.11M | 2.89% |
| BlackRock Asset Management Ireland Limited | 2.89M | 2.69% |
| Hill City Capital LP | 2.63M | 2.45% |
| Invesco Capital Management LLC | 2.38M | 2.22% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 3.25M | 3.02% |
| Vanguard 500 Index Fund | 2.82M | 2.62% |
| American Funds Growth Fund of America | 2.80M | 2.61% |
| Statens Pensjonsfond Utland | 1.53M | 1.42% |
| iShares Core S&P 500 ETF | 1.43M | 1.33% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $15.42M (67 trades) of FSLR on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Gloeckler Markus | Sale | 800 | $139.20K |
| Ahearn Michael J | Award | 422 | — |
| Sweeney Michael T | Award | 300 | — |
| George Anita M. | Award | 300 | — |
| KRO LISA A | Award | 300 | — |
| Wright Norman L. | Award | 300 | — |
| RENDUCHINTALA VENKATA S M | Award | 300 | — |
| MORGAN CURTIS A | Award | 300 | — |
| STEBBINS PAUL H | Award | 300 | — |
| POST WILLIAM J | Award | 300 | — |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Alan ArmstrongSenator | Purchase | $1K–$15K | Mar 27, 2026 |
| Gil CisnerosHouse | Sale | $1K–$15K | Feb 10, 2026 |
| Gil CisnerosHouse | Purchase | $1K–$15K | Jan 9, 2026 |
Short interest
Settled Sep 30, 2026
- Shares short
- 11.13M
- Days to cover
- 4.06
- % of shares outstanding
- 10.36%
- Average daily volume
- 2.74M
- Change since last report
- +5.7%
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