First Solar, Inc.
GB ˙ LSE ˙ US3364331070
US$ 317,89 ↑2.71 (0.86%)
2026-06-04
PREÇO DA AÇÃO
SecurityGB:0R06 / First Solar, Inc.
InstitutionCitigroup Inc
Latest Disclosed Ownership333,212 shares
Latest Disclosed Value $ 65,729,399
Citigroup Inc ownership in 0R06 / First Solar, Inc.

On May 11, 2026 - Citigroup Inc filed a 13F-HR form disclosing ownership of 333,212 shares of First Solar, Inc. (GB:0R06) valued at $65,246,242 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 229,238 shares of First Solar, Inc.. This represents a change in shares of 45.36% during the quarter. The current value of the position is $105,924,763 USD.

Citigroup Inc has a history of taking positions in derivatives of the underlying security (0R06) in the form of stock options. The firm currently holds call options representing 781,700 of underlying shares valued at $154,198,142 USD and put options representing 16,000 of underlying shares valued at $3,156,160 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

GB:0R06 / First Solar, Inc. Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-11 2026-03-31 13F FIRST SOLAR COM 336433107 333,212 103,974 45.36 65,729 9.76 0.0141
2026-02-13 2025-12-31 13F FIRST SOLAR COM 336433107 229,238 -221,892 -49.19 59,884 -39.81 0.0264
2025-11-10 2025-09-30 13F FIRST SOLAR COM 336433107 451,130 235,404 109.12 99,488 178.59 0.0444
2025-08-11 2025-06-30 13F FIRST SOLAR COM 336433107 215,726 -177,634 -45.16 35,711 -28.19 0.0175
2025-05-12 2025-03-31 13F FIRST SOLAR COM 336433107 393,360 69,922 21.62 49,733 -12.75 0.0254
2025-02-12 2024-12-31 13F FIRST SOLAR COM 336433107 323,438 153,420 90.24 57,003 34.41 0.0338
2024-11-12 2024-09-30 13F FIRST SOLAR COM 336433107 170,018 5,911 3.60 42,409 14.62 0.0246
2024-08-12 2024-06-30 13F FIRST SOLAR COM 336433107 164,107 24,016 17.14 37,000 56.46 0.0237
2024-05-10 2024-03-31 13F FIRST SOLAR COM 336433107 140,091 -39,452 -21.97 23,647 -23.55 0.0155
2024-02-09 2023-12-31 13F FIRST SOLAR COM 336433107 179,543 -15,223 -7.82 30,932 -1.72 0.0218
2023-12-06 2023-09-30 13F/A-1 FIRST SOLAR COM 336433107 194,766 45,020 30.06 31,472 10.56 0.0235
2023-11-09 2023-09-30 13F FIRST SOLAR COM 336433107 194,766 45,020 31,472 0.0094
2023-08-10 2023-06-30 13F FIRST SOLAR COM 336433107 149,746 31,490 26.63 28,465 10.67 0.0187
2023-05-11 2023-03-31 13F FIRST SOLAR COM 336433107 118,256 1,444 1.24 25,721 47.00 0.0180
2023-02-09 2022-12-31 13F FIRST SOLAR COM 336433107 116,812 -16,768 -12.55 17,497 -0.97 0.0139
2022-11-10 2022-09-30 13F FIRST SOLAR COM 336433107 133,580 -487 -0.36 17,669 93.46 0.0126
2022-08-10 2022-06-30 13F FIRST SOLAR COM 336433107 134,067 14,334 11.97 9,133 -8.91 0.0068
2022-05-12 2022-03-31 13F FIRST SOLAR COM 336433107 119,733 -12,746 -9.62 10,026 -13.17 0.0061
2022-02-10 2021-12-31 13F FIRST SOLAR COM 336433107 132,479 -15,319 -10.36 11,547 -18.16 0.0062
2021-11-10 2021-09-30 13F FIRST SOLAR COM 336433107 147,798 27,915 23.29 14,109 30.02 0.0083
2021-08-10 2021-06-30 13F FIRST SOLAR COM 336433107 119,883 -11,396 -8.68 10,851 -5.31 0.0065
2021-05-13 2021-03-31 13F FIRST SOLAR COM 336433107 131,279 -156,551 -54.39 11,460 -59.75 0.0074
2021-02-11 2020-12-31 13F FIRST SOLAR COM 336433107 287,830 187,310 186.34 28,473 327.91 0.0168
2020-11-12 2020-09-30 13F FIRST SOLAR COM 336433107 100,520 6,480 6.89 6,654 42.94 0.0043
2020-08-12 2020-06-30 13F FIRST SOLAR COM 336433107 94,040 -192,642 -67.20 4,655 -54.97 0.0036
2020-05-12 2020-03-31 13F FIRST SOLAR COM 336433107 286,682 91,769 47.08 10,337 -5.23 0.0093
2020-02-12 2019-12-31 13F FIRST SOLAR COM 336433107 194,913 -85,266 -30.43 10,907 -32.90 0.0079
2019-11-08 2019-09-30 13F FIRST SOLAR COM 336433107 280,179 27,083 10.70 16,254 -2.22 0.0129
2019-08-12 2019-06-30 13F FIRST SOLAR COM 336433107 253,096 -926,094 -78.54 16,623 -73.32 0.0134
2019-05-13 2019-03-31 13F FIRST SOLAR COM 336433107 1,179,190 -120,133 -9.25 62,309 12.95 0.0601
2019-02-12 2018-12-31 13F FIRST SOLAR COM 336433107 1,299,323 850,402 189.43 55,164 153.77 0.0559
2018-11-13 2018-09-30 13F FIRST SOLAR COM 336433107 448,921 86,599 23.90 21,738 13.93 0.0194
2018-08-10 2018-06-30 13F FIRST SOLAR COM 336433107 362,322 269,423 290.02 19,080 189.35 0.0175
2018-05-11 2018-03-31 13F FIRST SOLAR COM 336433107 92,899 -42,710 -31.49 6,594 -27.98 0.0054
2018-02-12 2017-12-31 13F FIRST SOLAR COM 336433107 135,609 -48,063 -26.17 9,156 8.65 0.0073
2017-11-13 2017-09-30 13F FIRST SOLAR COM 336433107 183,672 -21,437 -10.45 8,427 3.03 0.0069
2017-08-11 2017-06-30 13F FIRST SOLAR COM 336433107 205,109 92,812 82.65 8,179 168.87 0.0074
2017-05-12 2017-03-31 13F FIRST SOLAR COM 336433107 112,297 -77,214 -40.74 3,042 -49.98 0.0027
2017-02-10 2016-12-31 13F FIRST SOLAR COM 336433107 189,511 -14,225 -6.98 6,081 -24.41 0.0055
2016-11-10 2016-09-30 13F FIRST SOLAR COM 336433107 203,736 148,607 269.56 8,045 201.09 0.0075
2016-08-12 2016-06-30 13F FIRST SOLAR COM 336433107 55,129 32,077 139.15 2,672 69.33 0.0027
2016-05-13 2016-03-31 13F FIRST SOLAR COM 336433107 23,052 -7,326 -24.12 1,578 -21.30 0.0018
2016-02-12 2015-12-31 13F FIRST SOLAR COM 336433107 30,378 -53,903 -63.96 2,005 -44.35 0.0020
2015-11-13 2015-09-30 13F FIRST SOLAR COM 336433107 84,281 -172,747 -67.21 3,603 -70.16 0.0034
2015-08-13 2015-06-30 13F FIRST SOLAR COM 336433107 257,028 159,750 164.22 12,075 107.62 0.0107
2015-05-14 2015-03-31 13F FIRST SOLAR COM 336433107 97,278 -114,015 -53.96 5,816 -38.28 0.0056
2015-02-17 2014-12-31 13F FIRST SOLAR COM 336433107 211,293 -53,819 -20.30 9,423 -45.99 0.0084
2014-11-14 2014-09-30 13F FIRST SOLAR COM 336433107 265,112 5,313 2.05 17,446 -5.50 0.0153
2014-08-14 2014-06-30 13F FIRST SOLAR COM 336433107 259,799 84,777 48.44 18,462 51.14 0.0177
2014-05-15 2014-03-31 13F FIRST SOLAR COM 336433107 175,022 -130,214 -42.66 12,215 -26.76 0.0125
2014-02-14 2013-12-31 13F FIRST SOLAR COM 336433107 305,236 -88,065 -22.39 16,677 5.45 0.0151
2013-11-14 2013-09-30 13F FIRST SOLAR COM 336433107 393,301 183,185 87.18 15,815 68.28 0.0148
2013-08-14 2013-06-30 13F FIRST SOLAR COM 336433107 210,116 210,116 9,398 0.0093
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-11 2026-03-31 13F FIRST SOLAR COM Call 781,700 419.40 154,198 292.21 n/a n/a n/a
2026-02-13 2025-12-31 13F FIRST SOLAR COM Call 150,500 -79.22 39,315 -75.38 n/a n/a n/a
2025-11-10 2025-09-30 13F FIRST SOLAR COM Call 724,100 -69.43 159,686 -59.27 n/a n/a n/a
2025-08-11 2025-06-30 13F FIRST SOLAR COM Call 2,368,600 2,860.75 392,098 3,776.78 n/a n/a n/a
2025-05-12 2025-03-31 13F FIRST SOLAR COM Call 80,000 1,500.00 10,114 1,048.01 n/a n/a n/a
2025-02-12 2024-12-31 13F FIRST SOLAR COM Call 5,000 0.00 881 -29.35 n/a n/a n/a
2024-11-12 2024-09-30 13F FIRST SOLAR COM Call 5,000 0.00 1,247 10.65 n/a n/a n/a
2024-08-12 2024-06-30 13F FIRST SOLAR COM Call 5,000 1,127 n/a n/a n/a
2022-05-12 2022-03-31 13F FIRST SOLAR COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2022-02-10 2021-12-31 13F FIRST SOLAR COM Call 30,000 0.00 2,615 -8.69 n/a n/a n/a
2021-11-10 2021-09-30 13F FIRST SOLAR COM Call 30,000 0.00 2,864 5.49 n/a n/a n/a
2021-08-10 2021-06-30 13F FIRST SOLAR COM Call 30,000 0.00 2,715 3.67 n/a n/a n/a
2021-05-13 2021-03-31 13F FIRST SOLAR COM Call 30,000 -80.31 2,619 -82.63 n/a n/a n/a
2021-02-11 2020-12-31 13F FIRST SOLAR COM Call 152,400 -18.76 15,075 21.39 n/a n/a n/a
2020-11-12 2020-09-30 13F FIRST SOLAR COM Call 187,600 80.21 12,419 141.01 n/a n/a n/a
2020-08-12 2020-06-30 13F FIRST SOLAR COM Call 104,100 -49.07 5,153 -30.09 n/a n/a n/a
2020-05-12 2020-03-31 13F FIRST SOLAR COM Call 204,400 29.12 7,371 -16.79 n/a n/a n/a
2020-02-12 2019-12-31 13F FIRST SOLAR COM Call 158,300 38.86 8,858 33.95 n/a n/a n/a
2019-11-08 2019-09-30 13F FIRST SOLAR COM Call 114,000 3.73 6,613 -8.38 n/a n/a n/a
2019-08-12 2019-06-30 13F FIRST SOLAR COM Call 109,900 -13.87 7,218 7.06 n/a n/a n/a
2019-05-13 2019-03-31 13F FIRST SOLAR COM Call 127,600 18.92 6,742 48.01 n/a n/a n/a
2019-02-12 2018-12-31 13F FIRST SOLAR COM Call 107,300 -7.66 4,555 -19.04 n/a n/a n/a
2018-11-13 2018-09-30 13F FIRST SOLAR COM Call 116,200 -47.25 5,626 -51.50 n/a n/a n/a
2018-08-10 2018-06-30 13F FIRST SOLAR COM Call 220,300 135.87 11,601 74.98 n/a n/a n/a
2018-05-11 2018-03-31 13F FIRST SOLAR COM Call 93,400 -42.87 6,630 -39.95 n/a n/a n/a
2018-02-12 2017-12-31 13F FIRST SOLAR COM Call 163,500 3.88 11,040 52.87 n/a n/a n/a
2017-11-13 2017-09-30 13F FIRST SOLAR COM Call 157,400 -86.67 7,222 -84.66 n/a n/a n/a
2017-08-11 2017-06-30 13F FIRST SOLAR COM Call 1,180,800 1,216.39 47,090 1,837.06 n/a n/a n/a
2017-05-12 2017-03-31 13F FIRST SOLAR COM Call 89,700 -15.38 2,431 -28.54 n/a n/a n/a
2017-02-10 2016-12-31 13F FIRST SOLAR COM Call 106,000 7.83 3,402 -12.36 n/a n/a n/a
2016-11-10 2016-09-30 13F FIRST SOLAR COM Call 98,300 -0.10 3,882 -18.62 n/a n/a n/a
2016-08-12 2016-06-30 13F FIRST SOLAR COM Call 98,400 -63.32 4,770 -74.04 n/a n/a n/a
2016-05-13 2016-03-31 13F FIRST SOLAR COM Call 268,300 23.93 18,371 28.59 n/a n/a n/a
2016-02-12 2015-12-31 13F FIRST SOLAR COM Call 216,500 123.20 14,287 244.51 n/a n/a n/a
2015-11-13 2015-09-30 13F FIRST SOLAR COM Call 97,000 -5.55 4,147 -14.05 n/a n/a n/a
2015-08-13 2015-06-30 13F FIRST SOLAR COM Call 102,700 -63.03 4,825 -70.95 n/a n/a n/a
2015-05-14 2015-03-31 13F FIRST SOLAR COM Call 277,800 -43.17 16,609 -23.80 n/a n/a n/a
2015-02-17 2014-12-31 13F FIRST SOLAR COM Call 488,800 6.61 21,798 -27.76 n/a n/a n/a
2014-11-14 2014-09-30 13F FIRST SOLAR COM Call 458,500 10,177.96 30,174 9,418.61 n/a n/a n/a
2014-08-14 2014-06-30 13F FIRST SOLAR COM Call 4,461 317 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-11 2026-03-31 13F FIRST SOLAR COM Put 16,000 -60.98 3,156 -70.53 n/a n/a n/a
2026-02-13 2025-12-31 13F FIRST SOLAR COM Put 41,000 10,710 n/a n/a n/a
2025-11-10 2025-09-30 13F FIRST SOLAR COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2025-08-11 2025-06-30 13F FIRST SOLAR COM Put 35,000 5,794 n/a n/a n/a
2021-05-13 2021-03-31 13F FIRST SOLAR COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-11 2020-12-31 13F FIRST SOLAR COM Put 411,000 12.73 40,656 68.44 n/a n/a n/a
2020-11-12 2020-09-30 13F FIRST SOLAR COM Put 364,600 21.78 24,137 62.87 n/a n/a n/a
2020-08-12 2020-06-30 13F FIRST SOLAR COM Put 299,400 -10.87 14,820 22.35 n/a n/a n/a
2020-05-12 2020-03-31 13F FIRST SOLAR COM Put 335,900 -25.47 12,113 -51.97 n/a n/a n/a
2020-02-12 2019-12-31 13F FIRST SOLAR COM Put 450,700 15.36 25,221 11.28 n/a n/a n/a
2019-11-08 2019-09-30 13F FIRST SOLAR COM Put 390,700 65.06 22,664 45.79 n/a n/a n/a
2019-08-12 2019-06-30 13F FIRST SOLAR COM Put 236,700 44.07 15,546 79.06 n/a n/a n/a
2019-05-13 2019-03-31 13F FIRST SOLAR COM Put 164,300 -63.79 8,682 -54.94 n/a n/a n/a
2019-02-12 2018-12-31 13F FIRST SOLAR COM Put 453,800 62.59 19,266 42.56 n/a n/a n/a
2018-11-13 2018-09-30 13F FIRST SOLAR COM Put 279,100 -57.13 13,514 -60.58 n/a n/a n/a
2018-08-10 2018-06-30 13F FIRST SOLAR COM Put 651,000 233.50 34,282 147.43 n/a n/a n/a
2018-05-11 2018-03-31 13F FIRST SOLAR COM Put 195,200 13.62 13,855 19.44 n/a n/a n/a
2018-02-12 2017-12-31 13F FIRST SOLAR COM Put 171,800 -26.77 11,600 7.78 n/a n/a n/a
2017-11-13 2017-09-30 13F FIRST SOLAR COM Put 234,600 -54.65 10,763 -47.83 n/a n/a n/a
2017-08-11 2017-06-30 13F FIRST SOLAR COM Put 517,300 313.18 20,630 508.02 n/a n/a n/a
2017-05-12 2017-03-31 13F FIRST SOLAR COM Put 125,200 -51.66 3,393 -59.17 n/a n/a n/a
2017-02-10 2016-12-31 13F FIRST SOLAR COM Put 259,000 -12.68 8,311 -29.04 n/a n/a n/a
2016-11-10 2016-09-30 13F FIRST SOLAR COM Put 296,600 66.91 11,713 35.96 n/a n/a n/a
2016-08-12 2016-06-30 13F FIRST SOLAR COM Put 177,700 69.40 8,615 19.94 n/a n/a n/a
2016-05-13 2016-03-31 13F FIRST SOLAR COM Put 104,900 -34.44 7,183 -31.97 n/a n/a n/a
2016-02-12 2015-12-31 13F FIRST SOLAR COM Put 160,000 -0.93 10,558 52.93 n/a n/a n/a
2015-11-13 2015-09-30 13F FIRST SOLAR COM Put 161,500 -8.19 6,904 -16.46 n/a n/a n/a
2015-08-13 2015-06-30 13F FIRST SOLAR COM Put 175,900 -57.25 8,264 -66.41 n/a n/a n/a
2015-05-14 2015-03-31 13F FIRST SOLAR COM Put 411,500 -32.64 24,604 -9.69 n/a n/a n/a
2015-02-17 2014-12-31 13F FIRST SOLAR COM Put 610,900 -4.68 27,243 -35.41 n/a n/a n/a
2014-11-14 2014-09-30 13F FIRST SOLAR COM Put 640,900 9,432.95 42,178 8,723.85 n/a n/a n/a
2014-08-14 2014-06-30 13F FIRST SOLAR COM Put 6,723 478 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.