First Solar, Inc. (FSLR) Ownership

NASDAQ: FSLRTop holders, insider trades and short interest.

FSLR ownership summary

as of October 18, 2026
Institutions
102.8%
of shares outstanding
Insiders
5.36%
of shares outstanding
Shares outstanding
107.5M
Float
101.7M
shares available to trade
Short interest
13.54%
11.1M shares short
Days to cover
4.56
short interest up 5.7% vs prior month
  • Institutions 102.75%
  • Insiders 5.36%

FSLR top institutional holders

20 largest
First Solar, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc13.05%14.0M$2.42B+207,989 (+1.5%)June 30, 2026
2Vanguard Capital Management, LLC6.36%6.8M$1.18B+48,007 (+0.7%)June 30, 2026
3Vanguard Portfolio Management, LLC5.25%5.6M$973.4M−58,442 (−1.0%)June 30, 2026
4State Street Corp5.19%5.6M$962.6M+291,409 (+5.5%)June 30, 2026
5Capital World Investors3.83%4.1M$710.4M+4.1M (0.0%)June 30, 2026
6Geode Capital Management, LLC2.89%3.1M$536.8M+2,776 (+0.1%)June 30, 2026
7Hill City Capital, LP2.45%2.6M$453.7M+450,590 (+20.7%)June 30, 2026
8Amvescap Plc.2.42%2.6M$448.8M−57,315 (−2.2%)June 30, 2026
9FMR Inc2.03%2.2M$376.2M+370,782 (+20.5%)June 30, 2026
10Morgan Stanley - Brokerage Accounts1.67%1.8M$309.1M+108,107 (+6.4%)June 30, 2026
11Amundi1.61%1.7M$298.8M−318,772 (−15.6%)June 30, 2026
12NORGES BANK1.49%1.6M$276.0M+97,797 (+6.5%)June 30, 2026
13UBS Asset Mgmt Americas Inc1.43%1.5M$265.1M+100,694 (+7.0%)June 30, 2026
14Dimensional Fund Advisors, Inc.1.26%1.4M$234.6M+53,496 (+4.1%)June 30, 2026
15D. E. Shaw & Co LP1.23%1.3M$227.8M+1.3M (+2,129.7%)June 30, 2026
16BNP Paribas Investment Partners SA1.21%1.3M$224.8M−379,961 (−22.6%)June 30, 2026
17Clean Energy Transition LLP1.19%1.3M$220.7M−148,350 (−10.4%)June 30, 2026
18Northern Trust Corp1.18%1.3M$218.3M−125,905 (−9.1%)June 30, 2026
19UBS Group AG1.13%1.2M$209.8M+9,189 (+0.8%)June 30, 2026
20JPMorgan Chase & Co1.10%1.2M$204.7M−1.1M (−48.5%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 7.1M shares and 7 cut 2.2M.

FSLR top mutual fund and ETF holders

20 largest
First Solar, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest3.02%3.2M$559.8M−6,936 (−0.2%)August 31, 2026
2Vanguard 500 Index Investor2.63%2.8M$487.1M−33,188 (−1.2%)September 30, 2026
3American Funds Growth Fd of Amer A2.61%2.8M$483.4M—September 30, 2026
4iShares Core S&P 500 ETF1.33%1.4M$247.2M−2,294 (−0.2%)September 30, 2026
5Fidelity 500 Index1.30%1.4M$240.8M+5,357 (+0.4%)August 31, 2026
6iShares Global Clean Engy Trns ETF $Dist1.25%1.3M$232.8M—September 30, 2026
7State Street® SPDR® S&P 500® ETF1.23%1.3M$228.1M—September 30, 2026
8Vanguard Small Cap Index1.07%1.1M$198.3M−26,109 (−2.2%)September 30, 2026
9BGF Sustainable Energy A21.06%1.1M$197.5M+175,056 (+18.1%)September 30, 2026
10Vanguard MStar Mid Cap Index Instl1.02%1.1M$188.7M−11,044 (−1.0%)September 30, 2026
11Vanguard MStar Growth Index Investor0.95%1.0M$176.7M+237,632 (+30.2%)September 30, 2026
12Vanguard Information Technology ETF0.92%988K$170.6M+2,273 (+0.2%)September 30, 2026
13Invesco S&P 500® Equal Weight ETF0.90%963K$166.3M−1,995 (−0.2%)September 30, 2026
14iShares Global Clean Energy ETF0.82%885K$152.9M—September 30, 2026
15American Funds IS® Growth 10.77%825K$142.4M—September 30, 2026
16Pictet-Clean Energy Transition I USD0.73%789K$136.2M−3,357 (−0.4%)August 31, 2026
17State Street®TechSelSectSPDR®ETF0.72%775K$133.9M+480 (+0.1%)September 30, 2026
18BNP Paribas Disrpt Tech Cl D0.66%709K$122.5M−160 (−0.0%)August 31, 2026
19Vanguard MStar Small Cap Growth Indx Inv0.60%640K$110.5M−34,195 (−5.1%)September 30, 2026
20Handelsbanken Hållbar Energi (A1 SEK)0.55%588K$101.4M−14,724 (−2.4%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

FSLR insider transactions

latest 20
First Solar, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-04-15Kuntal Kumar VermaSell$210.00573$120,330
2026-03-30Ro KhannaSell$184.70——
2026-03-17Alexander R BradleySell$199.9714,106$2.8M
2026-03-17Jason E DymbortSell$199.629,022$1.8M
2026-03-17Kuntal Kumar VermaSell$199.53180$35,915
2026-03-17Nathan B TheurerSell$199.5396$19,155
2026-03-16Michael KoralewskiSell$200.80264$53,011
2026-03-16Jason E DymbortSell$200.80358$71,886
2026-03-16Kuntal Kumar VermaSell$200.80392$78,714
2026-03-16Georges AntounSell$200.80245$49,196
2026-03-16Caroline StockdaleSell$200.80335$67,268
2026-03-16Alexander R BradleySell$200.80590$118,472
2026-03-16Mark R WidmarSell$200.801,937$388,950
2026-03-16Markus GloecklerSell$200.80368$73,894
2026-03-16Nathan B TheurerSell$200.8035$7,028
2026-03-16Patrick James BuehlerSell$200.80180$36,144
2026-03-16Samantha L SloanSell$200.80120$24,096
2026-03-10Nathan B TheurerSell$195.70324$63,407
2026-03-10Kuntal Kumar VermaSell$195.70408$79,846
2026-03-09Markus GloecklerSell$190.361,325$252,227

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

FSLR shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns FSLR

Institutional investors own 102.8% of First Solar's shares and insiders 5.36%. The largest holder is BlackRock Inc with 13.05% of the shares (14.0M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 7 reduced their stake in the latest filings. Short interest is 13.54% of the float, or 4.56 days of average trading volume. The share count rose 6.1% since 2014.

Related: FSLR analyst forecast, FSLR key metrics. See the FSLR stock overview for the latest quote and news.

FSLR ownership FAQ

Who owns the most First Solar stock?

The largest shareholders of First Solar are BlackRock Inc (13.05%), Vanguard Capital Management, LLC (6.36%), Vanguard Portfolio Management, LLC (5.25%), State Street Corp (5.19%), Capital World Investors (3.83%).

What percentage of First Solar is owned by institutions?

Institutions hold 102.8% of First Solar's shares outstanding; insiders hold 5.36%.

Which funds own First Solar?

The largest fund holders of First Solar are Vanguard MStar Total Stk Mkt Idx Invest (3.02%), Vanguard 500 Index Investor (2.63%), American Funds Growth Fd of Amer A (2.61%), iShares Core S&P 500 ETF (1.33%), Fidelity 500 Index (1.30%).

What is First Solar's short interest?

11.1M shares of First Solar were sold short, 13.54% of the float; at the average daily volume it would take 4.56 days to cover.

Are insiders buying or selling First Solar?

Of the latest 20 reported insider transactions in First Solar (since March 9, 2026), 0 were purchases and 20 were sales.

How many shares of First Solar are outstanding?

First Solar has 107.5M shares outstanding, of which 101.7M are in the public float.

Solar: ownership