Calumet, Inc.
US ˙ NasdaqGS ˙ US1314761032

SecurityCLMT / Calumet, Inc.
InstitutionGroup One Trading, L.p.
Latest Disclosed Ownership0 shares
Latest Disclosed Value $ 0
Group One Trading, L.p. ownership in CLMT / Calumet, Inc.

On February 11, 2026 - Group One Trading, L.p. filed a 13F-HR form disclosing ownership of 0 shares of Calumet, Inc. (US:CLMT) valued at $0 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 12, 2025 disclosing 79,054 shares of Calumet, Inc.. This represents a change in shares of -100.00% during the quarter. The current value of the position is $0 USD.

Group One Trading, L.p. has a history of taking positions in derivatives of the underlying security (CLMT) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 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.

CLMT / Calumet, 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)
2026-02-11 2025-12-31 13F CALUMET COM 131428104 0 -79,054 -100.00 0 -100.00
2025-11-12 2025-09-30 13F CALUMET COM 131428104 79,054 1,395 1.80 1,443 17.91 0.0025
2025-08-14 2025-06-30 13F CALUMET COM 131428104 77,659 -20,429 -20.83 1,224 -1.61 0.0027
2025-05-14 2025-03-31 13F CALUMET COM 131428104 98,088 -419,581 -81.05 1,244 -89.10 0.0036
2025-05-14 2024-12-31 13F/A-1 CALUMET COM 131428104 517,669 -92,243 -15.12 11,399 4.89 0.0261
2025-02-14 2024-12-31 13F CALUMET COM 131428104 517,669 -92,243 11,399 0.0282
2024-11-14 2024-09-30 13F CALUMET COM 131428104 609,912 609,912 10,869 0.0310
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
(%)
2024-11-14 2024-09-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Call 0 -100.00 0 -100.00 n/a n/a n/a
2024-08-14 2024-06-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Call 31,700 199.06 509 223.57 n/a n/a n/a
2024-05-10 2024-03-31 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Call 10,600 -96.50 158 -97.10 n/a n/a n/a
2024-02-14 2023-12-31 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Call 303,000 237.04 5,415 215.32 n/a n/a n/a
2023-11-09 2023-09-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Call 89,900 -6.45 1,717 12.66 n/a n/a n/a
2023-08-09 2023-06-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Call 96,100 -24.75 1,524 -31.32 n/a n/a n/a
2023-05-12 2023-03-31 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Call 127,700 -52.39 2,219 -50.98 n/a n/a n/a
2023-02-09 2022-12-31 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Call 268,200 69.00 4,527 122.68 n/a n/a n/a
2022-11-09 2022-09-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Call 158,700 6.65 2,033 31.50 n/a n/a n/a
2022-08-11 2022-06-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Call 148,800 -31.46 1,546 -47.68 n/a n/a n/a
2022-05-12 2022-03-31 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Call 217,100 171.71 2,955 180.09 n/a n/a n/a
2022-02-11 2021-12-31 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Call 79,900 2,321.21 1,055 3,957.69 n/a n/a n/a
2021-11-12 2021-09-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Call 3,300 -76.09 26 -72.63 n/a n/a n/a
2021-08-10 2021-06-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Call 13,800 -71.66 95 -68.01 n/a n/a n/a
2021-05-12 2021-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 48,700 1.25 297 96.69 n/a n/a n/a
2021-02-10 2020-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 48,100 -25.54 151 -8.48 n/a n/a n/a
2020-11-12 2020-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 64,600 -16.86 165 -6.78 n/a n/a n/a
2020-08-13 2020-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 77,700 15,440.00 177 17,600.00 n/a n/a n/a
2020-05-13 2020-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 500 -98.78 1 -99.33 n/a n/a n/a
2020-02-10 2019-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 40,900 -25.23 149 -25.13 n/a n/a n/a
2019-11-12 2019-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 54,700 -46.32 199 -53.40 n/a n/a n/a
2019-08-09 2019-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 101,900 889.32 427 1,054.05 n/a n/a n/a
2019-05-14 2019-03-31 13F/A CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 10,300 -92.47 37 -87.75 n/a n/a n/a
2019-05-13 2019-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 10,300 37 n/a n/a n/a
2019-02-05 2018-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 136,700 224.70 302 12.27 n/a n/a n/a
2018-11-08 2018-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 42,100 -12.29 269 -24.86 n/a n/a n/a
2018-08-13 2018-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 48,000 10.85 358 17.38 n/a n/a n/a
2018-05-16 2018-03-31 13F/A CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 43,300 -64.24 305 -67.27 n/a n/a n/a
2018-05-10 2018-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 43,300 305 n/a n/a n/a
2018-02-09 2017-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 121,100 268.09 932 238.91 n/a n/a n/a
2017-11-15 2017-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 32,900 -18.56 275 59.88 n/a n/a n/a
2017-08-14 2017-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 40,400 -46.91 172 -40.48 n/a n/a n/a
2017-05-10 2017-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 76,100 25.58 289 19.42 n/a n/a n/a
2017-02-15 2016-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 60,600 15.87 242 2.54 n/a n/a n/a
2016-11-14 2016-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 52,300 692.42 236 637.50 n/a n/a n/a
2016-08-12 2016-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 6,600 -35.29 32 -73.33 n/a n/a n/a
2016-05-12 2016-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 10,200 126.67 120 33.33 n/a n/a n/a
2016-02-11 2015-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 4,500 -87.57 90 -89.76 n/a n/a n/a
2015-11-20 2015-09-30 13F/A CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 36,200 -9.50 879 -13.65 n/a n/a n/a
2015-11-06 2015-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 36,200 879 n/a n/a n/a
2015-08-11 2015-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 40,000 1,438.46 1,018 1,515.87 n/a n/a n/a
2015-05-14 2015-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 2,600 -80.00 63 -78.35 n/a n/a n/a
2015-02-11 2014-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 13,000 -28.96 291 -42.03 n/a n/a n/a
2014-10-31 2014-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 18,300 -9.41 502 -21.81 n/a n/a n/a
2014-08-12 2014-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 20,200 152.50 642 210.14 n/a n/a n/a
2014-05-07 2014-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 8,000 86.05 207 84.82 n/a n/a n/a
2014-01-31 2013-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 4,300 -67.67 112 -69.15 n/a n/a n/a
2013-11-15 2013-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 13,300 -40.62 363 -55.46 n/a n/a n/a
2013-08-02 2013-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Call 22,400 815 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
(%)
2024-11-14 2024-09-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Put 0 -100.00 0 -100.00 n/a n/a n/a
2024-08-14 2024-06-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Put 7,400 -89.44 119 -88.66 n/a n/a n/a
2024-05-10 2024-03-31 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Put 70,100 19.02 1,042 -1.05 n/a n/a n/a
2024-02-14 2023-12-31 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Put 58,900 54.59 1,053 44.70 n/a n/a n/a
2023-11-09 2023-09-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Put 38,100 14.07 728 37.43 n/a n/a n/a
2023-08-09 2023-06-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Put 33,400 9.15 530 -0.38 n/a n/a n/a
2023-05-12 2023-03-31 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Put 30,600 -4.38 532 -1.67 n/a n/a n/a
2023-02-09 2022-12-31 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Put 32,000 21.21 540 59.76 n/a n/a n/a
2022-11-09 2022-09-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Put 26,400 -29.03 338 -12.66 n/a n/a n/a
2022-08-11 2022-06-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Put 37,200 520.00 387 371.95 n/a n/a n/a
2022-05-12 2022-03-31 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Put 6,000 -69.39 82 -68.34 n/a n/a n/a
2022-02-11 2021-12-31 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Put 19,600 78.18 259 197.70 n/a n/a n/a
2021-11-12 2021-09-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Put 11,000 0.00 87 14.47 n/a n/a n/a
2021-08-10 2021-06-30 13F CALUMET SPECIALTY PRODS PART UT LTD PARTNER Put 11,000 -29.03 76 -20.00 n/a n/a n/a
2021-05-12 2021-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 15,500 17.42 95 131.71 n/a n/a n/a
2021-02-10 2020-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 13,200 2,540.00 41 4,000.00 n/a n/a n/a
2020-11-12 2020-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 500 -91.07 1 -92.31 n/a n/a n/a
2020-08-13 2020-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 5,600 -59.71 13 -13.33 n/a n/a n/a
2020-05-13 2020-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 13,900 -77.87 15 -93.45 n/a n/a n/a
2020-02-10 2019-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 62,800 -72.41 229 -72.34 n/a n/a n/a
2019-11-12 2019-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 227,600 2.43 828 -11.06 n/a n/a n/a
2019-08-09 2019-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 222,200 1.83 931 19.82 n/a n/a n/a
2019-05-14 2019-03-31 13F/A CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 218,200 -9.01 777 46.60 n/a n/a n/a
2019-05-13 2019-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 218,200 777 n/a n/a n/a
2019-02-05 2018-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 239,800 -67.61 530 -88.82 n/a n/a n/a
2018-11-08 2018-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 740,400 214.39 4,739 170.18 n/a n/a n/a
2018-08-13 2018-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 235,500 -23.84 1,754 -19.54 n/a n/a n/a
2018-05-16 2018-03-31 13F/A CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 309,200 28.19 2,180 17.39 n/a n/a n/a
2018-05-10 2018-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 309,200 2,180 n/a n/a n/a
2018-02-09 2017-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 241,200 1,622.86 1,857 1,487.18 n/a n/a n/a
2017-11-15 2017-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 14,000 115.38 117 317.86 n/a n/a n/a
2017-08-14 2017-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 6,500 28 n/a n/a n/a
2017-05-10 2017-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 0 -100.00 0 -100.00 n/a n/a n/a
2017-02-15 2016-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 21,800 89.57 87 67.31 n/a n/a n/a
2016-11-14 2016-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 11,500 51.32 52 40.54 n/a n/a n/a
2016-08-12 2016-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 7,600 -87.10 37 -94.65 n/a n/a n/a
2016-05-12 2016-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 58,900 718.06 692 383.92 n/a n/a n/a
2016-02-11 2015-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 7,200 -75.26 143 -79.77 n/a n/a n/a
2015-11-20 2015-09-30 13F/A CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 29,100 -11.28 707 -15.33 n/a n/a n/a
2015-11-06 2015-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 29,100 707 n/a n/a n/a
2015-08-11 2015-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 32,800 2.50 835 8.44 n/a n/a n/a
2015-05-14 2015-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 32,000 120.69 770 136.92 n/a n/a n/a
2015-02-11 2014-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 14,500 40.78 325 14.84 n/a n/a n/a
2014-10-31 2014-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 10,300 30.38 283 12.75 n/a n/a n/a
2014-08-12 2014-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 7,900 -66.53 251 -58.85 n/a n/a n/a
2014-05-07 2014-03-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 23,600 66.20 610 65.31 n/a n/a n/a
2014-01-31 2013-12-31 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 14,200 -12.35 369 -16.52 n/a n/a n/a
2013-11-15 2013-09-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 16,200 84.09 442 38.13 n/a n/a n/a
2013-08-02 2013-06-30 13F CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER Put 8,800 320 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.