First Solar, Inc.
MX ˙ BMV ˙ US3364331070
SecurityMX:FSLR / First Solar, Inc.
InstitutionIMC-Chicago, LLC
Latest Disclosed Ownership18,392 shares
Latest Disclosed Value $ 3,628,006
IMC-Chicago, LLC ownership in FSLR / First Solar, Inc.

On May 5, 2026 - IMC-Chicago, LLC filed a 13F-HR form disclosing ownership of 18,392 shares of First Solar, Inc. (MX:FSLR) valued at $3,628,006 USD as of March 31, 2026. The entity filed a previous 13F-HR on November 4, 2025 disclosing 0 shares of First Solar, Inc..

IMC-Chicago, LLC has a history of taking positions in derivatives of the underlying security (FSLR) in the form of stock options. The firm currently holds call options representing 1,869,800 of underlying shares valued at $368,836,748 USD and put options representing 1,650,300 of underlying shares valued at $325,538,178 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.

MX:FSLR / 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)
2026-05-05 2026-03-31 13F FIRST SOLAR COM 336433107 18,392 18,392 3,628 0.0013
2025-11-04 2025-09-30 13F FIRST SOLAR COM 336433107 0 -205,038 -100.00 0 -100.00
2025-07-22 2025-06-30 13F FIRST SOLAR COM 336433107 205,038 172,869 537.38 33,942 734.55 0.0151
2025-04-14 2025-03-31 13F FIRST SOLAR COM 336433107 32,169 -32,282 -50.09 4,067 -64.19 0.0023
2025-01-27 2024-12-31 13F FIRST SOLAR COM 336433107 64,451 64,451 11,359 0.0053
2024-10-25 2024-09-30 13F FIRST SOLAR COM 336433107 0 -26,966 -100.00 0 -100.00
2024-07-15 2024-06-30 13F FIRST SOLAR COM 336433107 26,966 26,966 6,080 0.0037
2021-08-06 2021-06-30 13F FIRST SOLAR COM 336433107 0 -18,393 -100.00 0 -100.00
2021-05-14 2021-03-31 13F FIRST SOLAR COM 336433107 18,393 18,393 1,606 0.0023
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
(%)
2026-05-05 2026-03-31 13F FIRST SOLAR COM Call 1,869,800 -7.05 368,837 -29.81 n/a n/a n/a
2026-01-29 2025-12-31 13F FIRST SOLAR COM Call 2,011,700 -9.71 525,516 6.95 n/a n/a n/a
2025-11-04 2025-09-30 13F FIRST SOLAR COM Call 2,228,100 14.47 491,363 52.49 n/a n/a n/a
2025-07-22 2025-06-30 13F FIRST SOLAR COM Call 1,946,500 171.55 322,224 255.56 n/a n/a n/a
2025-04-14 2025-03-31 13F FIRST SOLAR COM Call 716,800 -6.37 90,625 -32.84 n/a n/a n/a
2025-01-27 2024-12-31 13F FIRST SOLAR COM Call 765,600 19.77 134,929 -15.37 n/a n/a n/a
2024-10-25 2024-09-30 13F FIRST SOLAR COM Call 639,200 -34.06 159,442 -27.05 n/a n/a n/a
2024-07-15 2024-06-30 13F FIRST SOLAR COM Call 969,400 64.58 218,561 119.83 n/a n/a n/a
2024-04-12 2024-03-31 13F FIRST SOLAR COM Call 589,000 -18.35 99,423 -20.00 n/a n/a n/a
2024-02-09 2023-12-31 13F FIRST SOLAR COM Call 721,400 42.48 124,283 51.91 n/a n/a n/a
2023-10-12 2023-09-30 13F FIRST SOLAR COM Call 506,300 -3.21 81,813 -17.72 n/a n/a n/a
2023-07-14 2023-06-30 13F FIRST SOLAR COM Call 523,100 6.73 99,436 -6.72 n/a n/a n/a
2023-04-24 2023-03-31 13F FIRST SOLAR COM Call 490,100 43.68 106,597 108.63 n/a n/a n/a
2023-04-24 2022-12-31 13F/A FIRST SOLAR COM Call 341,100 2.90 51,093 16.52 n/a n/a n/a
2023-02-09 2022-12-31 13F FIRST SOLAR COM Call 341,100 51 n/a n/a n/a
2022-11-08 2022-09-30 13F FIRST SOLAR COM Call 331,500 92.51 43,848 273.75 n/a n/a n/a
2022-08-05 2022-06-30 13F FIRST SOLAR COM Call 172,200 -28.61 11,732 -41.92 n/a n/a n/a
2022-04-19 2022-03-31 13F FIRST SOLAR COM Call 241,200 -3.64 20,198 -7.42 n/a n/a n/a
2022-02-08 2021-12-31 13F FIRST SOLAR COM Call 250,300 -5.19 21,816 -13.43 n/a n/a n/a
2021-11-05 2021-09-30 13F FIRST SOLAR COM Call 264,000 40.80 25,201 48.49 n/a n/a n/a
2021-08-06 2021-06-30 13F FIRST SOLAR COM Call 187,500 18.07 16,971 22.42 n/a n/a n/a
2021-05-14 2021-03-31 13F FIRST SOLAR COM Call 158,800 4.75 13,863 -7.56 n/a n/a n/a
2021-02-17 2020-12-31 13F FIRST SOLAR COM Call 151,600 239.91 14,996 407.82 n/a n/a n/a
2020-11-17 2020-09-30 13F FIRST SOLAR COM Call 44,600 2,953 n/a n/a n/a
2020-08-14 2020-06-30 13F FIRST SOLAR COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2020-05-14 2020-03-31 13F FIRST SOLAR COM Call 15,300 -62.41 552 -75.77 n/a n/a n/a
2020-02-13 2019-12-31 13F FIRST SOLAR COM Call 40,700 2,278 n/a n/a n/a
2019-05-15 2019-03-31 13F FIRST SOLAR COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2019-04-24 2018-12-31 13F FIRST SOLAR COM Call 18,000 764 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
(%)
2026-05-05 2026-03-31 13F FIRST SOLAR COM Put 1,650,300 -14.32 325,538 -35.30 n/a n/a n/a
2026-01-29 2025-12-31 13F FIRST SOLAR COM Put 1,926,100 -2.91 503,155 15.00 n/a n/a n/a
2025-11-04 2025-09-30 13F FIRST SOLAR COM Put 1,983,900 52.33 437,509 102.93 n/a n/a n/a
2025-07-22 2025-06-30 13F FIRST SOLAR COM Put 1,302,400 102.02 215,599 164.51 n/a n/a n/a
2025-04-14 2025-03-31 13F FIRST SOLAR COM Put 644,700 -12.54 81,509 -37.26 n/a n/a n/a
2025-01-27 2024-12-31 13F FIRST SOLAR COM Put 737,100 33.90 129,907 -5.40 n/a n/a n/a
2024-10-25 2024-09-30 13F FIRST SOLAR COM Put 550,500 -16.92 137,317 -8.08 n/a n/a n/a
2024-07-15 2024-06-30 13F FIRST SOLAR COM Put 662,600 37.47 149,390 83.61 n/a n/a n/a
2024-04-12 2024-03-31 13F FIRST SOLAR COM Put 482,000 12.85 81,362 10.57 n/a n/a n/a
2024-02-09 2023-12-31 13F FIRST SOLAR COM Put 427,100 13.44 73,581 20.94 n/a n/a n/a
2023-10-12 2023-09-30 13F FIRST SOLAR COM Put 376,500 -12.40 60,839 -25.53 n/a n/a n/a
2023-07-14 2023-06-30 13F FIRST SOLAR COM Put 429,800 -13.12 81,701 -24.07 n/a n/a n/a
2023-04-24 2023-03-31 13F FIRST SOLAR COM Put 494,700 22.57 107,597 77.98 n/a n/a n/a
2023-04-24 2022-12-31 13F/A FIRST SOLAR COM Put 403,600 24.84 60,455 41.37 n/a n/a n/a
2023-02-09 2022-12-31 13F FIRST SOLAR COM Put 403,600 60 n/a n/a n/a
2022-11-08 2022-09-30 13F FIRST SOLAR COM Put 323,300 137.02 42,763 360.16 n/a n/a n/a
2022-08-05 2022-06-30 13F FIRST SOLAR COM Put 136,400 -24.97 9,293 -38.96 n/a n/a n/a
2022-04-19 2022-03-31 13F FIRST SOLAR COM Put 181,800 -18.73 15,224 -21.92 n/a n/a n/a
2022-02-08 2021-12-31 13F FIRST SOLAR COM Put 223,700 -4.48 19,498 -12.79 n/a n/a n/a
2021-11-05 2021-09-30 13F FIRST SOLAR COM Put 234,200 4.14 22,357 9.83 n/a n/a n/a
2021-08-06 2021-06-30 13F FIRST SOLAR COM Put 224,900 24.67 20,356 29.25 n/a n/a n/a
2021-05-14 2021-03-31 13F FIRST SOLAR COM Put 180,400 11.22 15,749 -1.84 n/a n/a n/a
2021-02-17 2020-12-31 13F FIRST SOLAR COM Put 162,200 266.97 16,045 448.36 n/a n/a n/a
2020-11-17 2020-09-30 13F FIRST SOLAR COM Put 44,200 325.00 2,926 468.16 n/a n/a n/a
2020-08-14 2020-06-30 13F FIRST SOLAR COM Put 10,400 -40.91 515 -18.90 n/a n/a n/a
2020-05-14 2020-03-31 13F FIRST SOLAR COM Put 17,600 -62.71 635 -75.96 n/a n/a n/a
2020-02-13 2019-12-31 13F FIRST SOLAR COM Put 47,200 2,641 n/a n/a n/a
2019-05-15 2019-03-31 13F FIRST SOLAR COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2019-04-24 2018-12-31 13F FIRST SOLAR COM Put 7,000 297 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.