First Solar Inc
Ownership
Ownership Structure
Who owns First Solar Inc (FSLR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 94.6% of the shares are freely tradable; institutional investors hold 94.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 13.05 | 14,029,065 | +1.5 | 06/30/2026 |
| Vanguard Capital Management, LLC | 6.36 | 6,836,941 | +0.7 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.25 | 5,638,446 | -1.0 | 06/30/2026 |
| State Street Corp | 5.19 | 5,576,026 | +5.5 | 06/30/2026 |
| Capital World Investors | 3.83 | 4,114,639 | +0.0 | 06/30/2026 |
| Geode Capital Management, LLC | 2.89 | 3,109,602 | +0.1 | 06/30/2026 |
| Hill City Capital, LP | 2.45 | 2,628,130 | +20.7 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.02 | 3,250,884 | +0.3 | 09/30/2026 |
| Vanguard 500 Index Investor | 2.63 | 2,821,305 | -1.2 | 09/30/2026 |
| American Funds Growth Fd of Amer A | 2.61 | 2,800,000 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Ahearn Michael J | Director | 66,479 | 12,358,446 $ | Sep 30, 2026 | direct |
| Post William J | Director | 27,685 | 5,146,642 $ | Sep 30, 2026 | indirect |
| Stebbins Paul H | Director | 16,250 | 3,020,875 $ | Sep 30, 2026 | indirect |
| Sweeney Michael T | Director | 14,625 | 2,718,788 $ | Sep 30, 2026 | direct |
| Koralewski Michael | Chief Supply Chain Officer | 7,642 | 1,420,648 $ | Aug 3, 2026 | direct |
| Dymbort Jason E. | General Counsel and Secretary | 5,624 | 1,045,502 $ | Aug 11, 2026 | direct |
| George Anita M. | Director | 5,471 | 1,017,059 $ | Sep 30, 2026 | direct |
| Wright Norman L. | Director | 5,309 | 986,943 $ | Sep 30, 2026 | direct |
| Gloeckler Markus | Chief Technology Officer | 5,042 | 937,308 $ | Oct 1, 2026 | direct |
| Kro Lisa A | Director | 4,899 | 910,724 $ | Sep 30, 2026 | indirect |
| Renduchintala Venkata S M | Director | 2,433 | 452,295 $ | Sep 30, 2026 | direct |
| Sloan Samantha L. | EVP, Corporate Affairs | 2,353 | 437,423 $ | Sep 1, 2026 | direct |
| Morgan Curtis A | Director | 523 | 97,226 $ | Sep 30, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | Gloeckler Markus | Chief Technology Officer | Sell | 800 | 174.00 | 139,200 |
| Sep 30, 2026 | Ahearn Michael J | Director | Other | 422 | 0.00 | – |
| Sep 30, 2026 | Post William J | Director | Other | 300 | 0.00 | – |
| Sep 30, 2026 | Stebbins Paul H | Director | Other | 300 | 0.00 | – |
| Sep 30, 2026 | Sweeney Michael T | Director | Other | 300 | 0.00 | – |
| Sep 30, 2026 | George Anita M. | Director | Other | 300 | 0.00 | – |
| Sep 30, 2026 | Kro Lisa A | Director | Other | 300 | 0.00 | – |
| Sep 30, 2026 | Wright Norman L. | Director | Other | 300 | 0.00 | – |
| Sep 30, 2026 | Renduchintala Venkata S M | Director | Other | 300 | 0.00 | – |
| Sep 30, 2026 | Morgan Curtis A | Director | Other | 300 | 0.00 | – |
| Sep 1, 2026 | Sloan Samantha L. | EVP, Corporate Affairs | Other | 134 | 199.65 | 26,753 |
| Sep 1, 2026 | Sloan Samantha L. | EVP, Corporate Affairs | Other | 469 | 0.00 | – |
| Sep 1, 2026 | Gloeckler Markus | Chief Technology Officer | Sell | 800 | 200.00 | 160,000 |
| Aug 17, 2026 | Sloan Samantha L. | EVP, Corporate Affairs | Sell | 127 | 222.95 | 28,315 |
| Aug 14, 2026 | Sloan Samantha L. | EVP, Corporate Affairs | Other | 437 | 0.00 | – |
| Aug 11, 2026 | Dymbort Jason E. | General Counsel and Secretary | Sell | 3,700 | 249.38 | 922,706 |
| Aug 4, 2026 | Gloeckler Markus | Chief Technology Officer | Sell | 829 | 248.00 | 205,592 |
| Aug 4, 2026 | Ahearn Michael J | Director | Other | 44,584 | – | – |
| Aug 3, 2026 | Gloeckler Markus | Chief Technology Officer | Sell | 2,625 | 218.02 | 572,303 |
| Aug 3, 2026 | Gloeckler Markus | Chief Technology Officer | Sell | 800 | 222.00 | 177,600 |
| Aug 3, 2026 | Koralewski Michael | Chief Supply Chain Officer | Sell | 3,500 | 225.00 | 787,500 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 3, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.