First Solar, Inc.
FSLR- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001274494
In the last 90 days, First Solar, Inc. insiders filed 0 open-market purchases and 3 sales; 1,016 institutions reported holding it in 13F filings for Q2 2026, worth $23.4B in total; Soros Fund Management is the only superinvestor holding it.
Holders of 5% or more of FSLR
Holders whose latest Schedule 13D or 13G filing reports 5% or more of First Solar, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 11.80%12.7M shares | – | Oct 21, 20243 filings | Jul 28, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 7.30%7.84M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Susquehanna Securities, LLC | 13G/A | 7.00%7.52M shares | +1.70 ppfrom 5.30% | May 15, 20254 filings | Aug 14, 2026 | SEC |
| Citadel Securities GP LLC | 13G/A | 6.00%6.46M shares | +1.00 ppfrom 5.00% | Aug 14, 20253 filings | Oct 15, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.32%5.71M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| State Street Corp | 13G | 5.20%5.58M shares | New | Aug 7, 20261 filing | Aug 7, 2026 | SEC |
| Jane Street Group, LLC | 13G | 5.10%5.50M shares | New | Aug 13, 20261 filing | Aug 13, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
37 Schedule 13D and 13G filings on First Solar, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Oct 15, 20264:56 PM ET | Citadel Securities GP LLCand 6 others | 13G/A | 6.00%6.46M shares | +1.00 ppfrom 5.00% | Oct 8, 2026 | SEC |
| Oct 15, 20267:43 AM ET | Citadel Securities GP LLCand 6 others | 13G | 5.00%5.41M shares | −0.30 ppfrom 5.30% | Sep 30, 2026 | SEC |
| Aug 14, 20262:01 PM ET | Susquehanna Securities, LLCand 4 others | 13G/A | 7.00%7.52M shares | +1.70 ppfrom 5.30% | Jun 30, 2026 | SEC |
| Aug 13, 20264:49 PM ET | Jane Street Group, LLCand 3 others | 13G | 5.10%5.50M shares | New | Jun 30, 2026 | SEC |
| Aug 7, 20269:35 AM ET | State Street Corp | 13G | 5.20%5.58M shares | New | Jun 30, 2026 | SEC |
| Jul 28, 20264:44 PM ET | BlackRock, Inc. | 13G/A | 11.80%12.7M shares | – | Jun 30, 2026 | SEC |
| May 15, 202612:30 PM ET | Susquehanna Securities, LLCand 5 others | 13G/A | 5.30%5.72M shares | −2.60 ppfrom 7.90% | Mar 31, 2026 | SEC |
| May 6, 202611:18 AM ET | FMR LLCand 1 other | 13G/A | 1.70%1.80M shares | −4.40 ppfrom 6.10%Below 5% | Mar 31, 2026 | SEC |
| Apr 29, 20266:53 PM ET | Vanguard Capital Management LLC | 13G | 7.30%7.84M shares | New | Mar 31, 2026 | SEC |
| Apr 29, 20261:44 PM ET | Vanguard Portfolio Management LLC | 13G | 5.32%5.71M shares | New | Mar 31, 2026 | SEC |
| Mar 26, 20266:36 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −12.79 ppfrom 12.79%Below 5% | Mar 13, 2026 | SEC |
| Feb 5, 20261:23 PM ET | FMR LLCand 1 other | 13G | 6.10%6.50M shares | New | Dec 31, 2025 | SEC |
| Oct 30, 20253:18 PM ET | Vanguard Group Inc | 13G/A | 12.79%13.7M shares | – | Sep 30, 2025 | SEC |
| Aug 14, 20254:35 PM ET | Citadel Securities GP LLCand 6 others | 13G | 5.30%5.68M shares | New | Jun 30, 2025 | SEC |
| Aug 14, 202510:29 AM ET | Susquehanna Securities, LLCand 5 others | 13G/A | 7.90%8.47M shares | +2.00 ppfrom 5.90% | Jun 30, 2025 | SEC |
| May 15, 202512:06 PM ET | Susquehanna Securities, LLCand 2 others | 13G | 5.90%6.36M shares | New | Mar 31, 2025 | SEC |
| Mar 25, 20257:49 PM ET | Ebrahimi Farhad Fredand 1 other | 13D/A | 4.95%5.30M shares | –Below 5% | Mar 21, 2025 | SEC |
| Feb 7, 202511:53 AM ET | JPMorgan Chase & Co | 13G/A | 3.20%3.46M shares | −1.90 ppfrom 5.10%Below 5% | Jan 31, 2025 | SEC |
| Feb 6, 202512:34 PM ET | JPMorgan Chase & Co | 13G | 5.10%5.48M shares | New | Dec 31, 2024 | SEC |
| Dec 10, 2024 | Ebrahimi Farhad Fred | 13DOld format | – | – | – | SEC |
| Nov 8, 2024 | BlackRock, Inc. | 13G/AOld format | – | – | – | SEC |
| Oct 21, 2024 | BlackRock, Inc. | 13G/AOld format | – | – | – | SEC |
| Aug 7, 2024 | Ebrahimi Farhad Fred | 13D/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 26, 2024 | Ebrahimi Farhad Fred | 13DOld format | – | – | – | SEC |
| Jan 23, 20244:13 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 6, 2023 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Jan 30, 20232:16 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jan 10, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Sep 15, 2022 | Ebrahimi Farhad Fred | 13D/AOld format | – | – | – | SEC |
| Jun 28, 2022 | Ebrahimi Farhad Fred | 13D/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2022 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Jan 28, 20221:54 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2021 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Jan 26, 20216:52 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
157 notices from officers, directors and other affiliates planning to sell First Solar, Inc. shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Oct 1, 20269:49 AM ET | Gloeckler MarkusOfficer | 800 | $139.2K | Oct 1, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Sep 1, 20262:01 PM ET | Gloeckler MarkusOfficer | 800 | $160.0K | Sep 1, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Aug 17, 20263:39 PM ET | Sloan Samantha L.Officer | 127 | $28.3K | Aug 17, 2026 | Fidelity Brokerage Services LLC | SEC |
| Aug 11, 20265:35 PM ET | Dymbort Jason E.Officer | 3.70K | $922.7K | Aug 11, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Aug 4, 20262:22 PM ET | Gloeckler MarkusOfficer | 829 | $205.6K | Aug 4, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Aug 3, 202612:55 PM ET | Gloeckler MarkusOfficer | 3.42K | $749.9K | Aug 3, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Aug 3, 202612:11 PM ET | Koralewski MichaelOfficer | 7.00K | $1.55M | Aug 3, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jun 2, 202610:32 AM ET | Buehler Patrick JamesOfficer | 3.00K | $906.0K | Jun 2, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 28, 20269:56 AM ET | Stockdale CarolineOfficer | 10.6K | $2.93M | May 28, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 26, 20264:07 PM ET | Widmar Mark ROfficer · Director | 5.20K | $1.40M | May 26, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 22, 20264:05 PM ET | Widmar Mark ROfficer · Director | 1.98K | $502.5K | May 22, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 21, 20264:27 PM ET | Widmar Mark ROfficer · Director | 4.82K | $1.19M | May 21, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 21, 20264:16 PM ET | Verma Kuntal KumarOfficer | 582 | $145.5K | May 21, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 13, 20263:56 PM ET | Widmar Mark ROfficer · Director | 1.30K | $312.0K | May 13, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 13, 202612:07 PM ET | Verma Kuntal KumarOfficer | 1.46K | $349.2K | May 13, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 11, 20264:10 PM ET | Widmar Mark ROfficer · Director | 9.93K | $2.31M | May 11, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 11, 20261:00 PM ET | Verma Kuntal KumarOfficer | 2.22K | $500.4K | May 11, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 6, 20269:59 AM ET | Theurer Nathan B.Officer | 31 | $6.76K | May 6, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 6, 20269:47 AM ET | Dymbort Jason E.Officer | 228 | $49.7K | May 6, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 6, 20269:44 AM ET | Verma Kuntal KumarOfficer | 270 | $58.9K | May 6, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 5, 20263:53 PM ET | Dymbort Jason E.Officer | 409 | $88.2K | May 5, 2026 | Fidelity Brokerage Services LLC | SEC |
| May 5, 20263:53 PM ET | Stockdale CarolineOfficer | 262 | $56.5K | May 5, 2026 | Fidelity Brokerage Services LLC | SEC |
| May 5, 20263:45 PM ET | Buehler Patrick JamesOfficer | 235 | $50.7K | May 5, 2026 | Fidelity Brokerage Services LLC | SEC |
| May 5, 20263:43 PM ET | Gloeckler MarkusOfficer | 420 | $90.6K | May 5, 2026 | Fidelity Brokerage Services LLC | SEC |
| May 5, 20263:41 PM ET | Bradley Alexander R.Officer | 498 | $107.4K | May 5, 2026 | Fidelity Brokerage Services LLC | SEC |
Showing the latest 25. See the FSLR notices from the last 12 months