Cameco Corporation
US ˙ NYSE ˙ US13321L1085

SecurityCCJ / Cameco Corporation
InstitutionCitigroup Inc
Latest Disclosed Ownership1,189,098 shares
Latest Disclosed Value $ 128,900,252
Citigroup Inc ownership in CCJ / Cameco Corporation

On May 11, 2026 - Citigroup Inc filed a 13F-HR form disclosing ownership of 1,189,098 shares of Cameco Corporation (US:CCJ) valued at $129,147,934 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 712,245 shares of Cameco Corporation. This represents a change in shares of 66.95% during the quarter. The current value of the position is $136,223,067 USD.

Citigroup Inc has a history of taking positions in derivatives of the underlying security (CCJ) 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 128,300 of underlying shares valued at $13,907,939 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.

CCJ / Cameco Corporation 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 CAMECO COM 13321L108 1,189,098 476,853 66.95 128,900 97.39 0.0277
2026-02-13 2025-12-31 13F CAMECO COM 13321L108 712,245 -1,781,746 -71.44 65,304 -68.81 0.0288
2025-11-10 2025-09-30 13F CAMECO COM 13321L108 2,493,991 -77,434 -3.01 209,356 9.85 0.0933
2025-08-11 2025-06-30 13F CAMECO COM 13321L108 2,571,425 -142,471 -5.25 190,581 70.61 0.0936
2025-05-12 2025-03-31 13F CAMECO COM 13321L108 2,713,896 964,065 55.09 111,705 24.22 0.0571
2025-02-12 2024-12-31 13F CAMECO COM 13321L108 1,749,831 -319,434 -15.44 89,925 -9.13 0.0533
2024-11-12 2024-09-30 13F CAMECO COM 13321L108 2,069,265 15,735 0.77 98,964 -2.03 0.0573
2024-08-12 2024-06-30 13F CAMECO COM 13321L108 2,053,530 461,141 28.96 101,014 46.46 0.0647
2024-05-10 2024-03-31 13F CAMECO COM 13321L108 1,592,389 -478,809 -23.12 68,972 -23.14 0.0453
2024-02-09 2023-12-31 13F CAMECO COM 13321L108 2,071,198 -524,351 -20.20 89,737 -13.26 0.0632
2023-12-06 2023-09-30 13F/A-1 CAMECO COM 13321L108 2,595,549 -229,186 -8.11 103,457 16.81 0.0773
2023-11-09 2023-09-30 13F CAMECO COM 13321L108 2,595,549 -229,186 103,457 0.0309
2023-08-10 2023-06-30 13F CAMECO COM 13321L108 2,824,735 -249,174 -8.11 88,568 10.18 0.0581
2023-05-11 2023-03-31 13F CAMECO COM 13321L108 3,073,909 322,439 11.72 80,382 28.98 0.0563
2023-02-09 2022-12-31 13F CAMECO COM 13321L108 2,751,470 1,193,925 76.65 62,322 49.97 0.0496
2022-11-10 2022-09-30 13F CAMECO COM 13321L108 1,557,545 -244,971 -13.59 41,555 9.90 0.0297
2022-08-10 2022-06-30 13F CAMECO COM 13321L108 1,802,516 179,726 11.08 37,812 -20.07 0.0281
2022-05-12 2022-03-31 13F CAMECO COM 13321L108 1,622,790 -200,808 -11.01 47,305 18.81 0.0288
2022-02-10 2021-12-31 13F CAMECO COM 13321L108 1,823,598 63,211 3.59 39,817 4.13 0.0213
2021-11-10 2021-09-30 13F CAMECO COM 13321L108 1,760,387 -9,067 -0.51 38,239 12.63 0.0226
2021-08-10 2021-06-30 13F CAMECO COM 13321L108 1,769,454 802,790 83.05 33,952 111.84 0.0204
2021-05-13 2021-03-31 13F CAMECO COM 13321L108 966,664 -220,389 -18.57 16,027 0.88 0.0104
2021-02-11 2020-12-31 13F CAMECO COM 13321L108 1,187,053 105,742 9.78 15,887 45.91 0.0094
2020-11-12 2020-09-30 13F CAMECO COM 13321L108 1,081,311 16,258 1.53 10,888 0.04 0.0071
2020-08-12 2020-06-30 13F CAMECO COM 13321L108 1,065,053 -409,656 -27.78 10,884 -2.10 0.0085
2020-05-12 2020-03-31 13F CAMECO COM 13321L108 1,474,709 56,532 3.99 11,117 -11.92 0.0100
2020-02-12 2019-12-31 13F CAMECO COM 13321L108 1,418,177 64,767 4.79 12,621 -1.85 0.0091
2019-11-08 2019-09-30 13F CAMECO COM 13321L108 1,353,410 -163,522 -10.78 12,859 -21.10 0.0102
2019-08-12 2019-06-30 13F CAMECO COM 13321L108 1,516,932 -412,150 -21.37 16,298 -28.34 0.0132
2019-05-13 2019-03-31 13F CAMECO COM 13321L108 1,929,082 109,605 6.02 22,743 10.29 0.0219
2019-02-12 2018-12-31 13F CAMECO COM 13321L108 1,819,477 425,670 30.54 20,622 29.83 0.0209
2018-11-13 2018-09-30 13F CAMECO COM 13321L108 1,393,807 -123,693 -8.15 15,884 -6.90 0.0142
2018-08-10 2018-06-30 13F CAMECO COM 13321L108 1,517,500 -601,965 -28.40 17,061 -11.37 0.0157
2018-05-11 2018-03-31 13F CAMECO COM 13321L108 2,119,465 780,457 58.29 19,249 55.15 0.0159
2018-02-12 2017-12-31 13F CAMECO COM 13321L108 1,339,008 -252 -0.02 12,407 -3.88 0.0099
2017-11-13 2017-09-30 13F CAMECO COM 13321L108 1,339,260 199,419 17.50 12,908 24.53 0.0106
2017-08-11 2017-06-30 13F CAMECO COM 13321L108 1,139,841 508,383 80.51 10,365 48.73 0.0093
2017-05-12 2017-03-31 13F CAMECO COM 13321L108 631,458 -100,565 -13.74 6,969 -9.09 0.0062
2017-02-10 2016-12-31 13F CAMECO COM 13321L108 732,023 -129,911 -15.07 7,666 4.26 0.0069
2016-11-10 2016-09-30 13F CAMECO COM 13321L108 861,934 282,361 48.72 7,353 16.09 0.0069
2016-08-12 2016-06-30 13F CAMECO COM 13321L108 579,573 96,567 19.99 6,334 1.72 0.0065
2016-05-13 2016-03-31 13F CAMECO COM 13321L108 483,006 -47,420 -8.94 6,227 -4.52 0.0070
2016-02-12 2015-12-31 13F CAMECO COM 13321L108 530,426 -41,184 -7.20 6,522 -5.97 0.0065
2015-11-13 2015-09-30 13F CAMECO COM 13321L108 571,610 -105,038 -15.52 6,936 -28.40 0.0065
2015-08-13 2015-06-30 13F CAMECO COM 13321L108 676,648 15,171 2.29 9,687 5.09 0.0086
2015-05-14 2015-03-31 13F CAMECO COM 13321L108 661,477 -158,577 -19.34 9,218 -31.59 0.0089
2015-02-17 2014-12-31 13F CAMECO COM 13321L108 820,054 97,112 13.43 13,474 5.38 0.0120
2014-11-14 2014-09-30 13F CAMECO COM 13321L108 722,942 28,931 4.17 12,786 -6.25 0.0112
2014-08-14 2014-06-30 13F CAMECO COM 13321L108 694,011 294,082 73.53 13,638 48.71 0.0131
2014-05-15 2014-03-31 13F CAMECO COM 13321L108 399,929 -622,134 -60.87 9,171 -56.69 0.0094
2014-02-14 2013-12-31 13F CAMECO COM 13321L108 1,022,063 599,332 141.78 21,174 177.07 0.0192
2013-11-14 2013-09-30 13F CAMECO COM 13321L108 422,731 100,155 31.05 7,642 15.13 0.0072
2013-08-14 2013-06-30 13F CAMECO COM 13321L108 322,576 322,576 6,638 0.0065
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 CAMECO COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2026-02-13 2025-12-31 13F CAMECO COM Call 318,500 100.95 29,202 119.48 n/a n/a n/a
2025-11-10 2025-09-30 13F CAMECO COM Call 158,500 217.00 13,305 259.11 n/a n/a n/a
2025-08-11 2025-06-30 13F CAMECO COM Call 50,000 0.00 3,706 80.03 n/a n/a n/a
2025-05-12 2025-03-31 13F CAMECO COM Call 50,000 -88.61 2,058 -90.88 n/a n/a n/a
2025-02-12 2024-12-31 13F CAMECO COM Call 439,000 2,095.00 22,560 2,259.83 n/a n/a n/a
2024-11-12 2024-09-30 13F CAMECO COM Call 20,000 -77.27 957 -77.91 n/a n/a n/a
2024-08-12 2024-06-30 13F CAMECO COM Call 88,000 -36.69 4,329 -28.11 n/a n/a n/a
2024-05-10 2024-03-31 13F CAMECO COM Call 139,000 -76.64 6,021 -76.65 n/a n/a n/a
2024-02-09 2023-12-31 13F CAMECO COM Call 595,000 25,779 n/a n/a n/a
2023-12-06 2023-09-30 13F/A CAMECO COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2023-11-09 2023-09-30 13F CAMECO COM Call 0 0 n/a n/a n/a
2023-08-10 2023-06-30 13F CAMECO COM Call 895,000 283.96 28,062 360.41 n/a n/a n/a
2023-05-11 2023-03-31 13F CAMECO COM Call 233,100 -33.40 6,096 -23.11 n/a n/a n/a
2023-02-09 2022-12-31 13F CAMECO COM Call 350,000 -26.69 7,928 -37.76 n/a n/a n/a
2022-11-10 2022-09-30 13F CAMECO COM Call 477,400 -87.28 12,737 -83.82 n/a n/a n/a
2022-08-10 2022-06-30 13F CAMECO COM Call 3,752,300 125.30 78,714 62.13 n/a n/a n/a
2022-05-12 2022-03-31 13F CAMECO COM Call 1,665,500 -67.08 48,550 -56.06 n/a n/a n/a
2022-02-10 2021-12-31 13F CAMECO COM Call 5,060,000 13.68 110,482 14.26 n/a n/a n/a
2021-11-10 2021-09-30 13F CAMECO COM Call 4,451,000 96,690 n/a n/a n/a
2021-05-13 2021-03-31 13F CAMECO COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-11 2020-12-31 13F CAMECO COM Call 150,800 43.48 2,018 90.74 n/a n/a n/a
2020-11-12 2020-09-30 13F CAMECO COM Call 105,100 22.78 1,058 20.91 n/a n/a n/a
2020-08-12 2020-06-30 13F CAMECO COM Call 85,600 0.71 875 36.51 n/a n/a n/a
2020-05-12 2020-03-31 13F CAMECO COM Call 85,000 -49.28 641 -57.04 n/a n/a n/a
2020-02-12 2019-12-31 13F CAMECO COM Call 167,600 -46.28 1,492 -49.66 n/a n/a n/a
2019-11-08 2019-09-30 13F CAMECO COM Call 312,000 35.42 2,964 19.76 n/a n/a n/a
2019-08-12 2019-06-30 13F CAMECO COM Call 230,400 149.35 2,475 127.27 n/a n/a n/a
2019-05-13 2019-03-31 13F CAMECO COM Call 92,400 -50.56 1,089 -48.58 n/a n/a n/a
2019-02-12 2018-12-31 13F CAMECO COM Call 186,900 20.12 2,118 19.46 n/a n/a n/a
2018-11-13 2018-09-30 13F CAMECO COM Call 155,600 -13.12 1,773 -11.97 n/a n/a n/a
2018-08-10 2018-06-30 13F CAMECO COM Call 179,100 -14.43 2,014 5.94 n/a n/a n/a
2018-05-11 2018-03-31 13F CAMECO COM Call 209,300 -57.65 1,901 -58.48 n/a n/a n/a
2018-02-12 2017-12-31 13F CAMECO COM Call 494,200 -1.63 4,579 -5.43 n/a n/a n/a
2017-11-13 2017-09-30 13F CAMECO COM Call 502,400 -1.39 4,842 4.51 n/a n/a n/a
2017-08-11 2017-06-30 13F CAMECO COM Call 509,500 1.66 4,633 -16.24 n/a n/a n/a
2017-05-12 2017-03-31 13F CAMECO COM Call 501,200 -9.84 5,531 -4.98 n/a n/a n/a
2017-02-10 2016-12-31 13F CAMECO COM Call 555,900 2.21 5,821 25.48 n/a n/a n/a
2016-11-10 2016-09-30 13F CAMECO COM Call 543,900 -10.91 4,639 -30.47 n/a n/a n/a
2016-08-12 2016-06-30 13F CAMECO COM Call 610,500 132.04 6,672 96.70 n/a n/a n/a
2016-05-13 2016-03-31 13F CAMECO COM Call 263,100 -67.12 3,392 -65.53 n/a n/a n/a
2016-02-12 2015-12-31 13F CAMECO COM Call 800,200 -0.30 9,840 1.04 n/a n/a n/a
2015-11-13 2015-09-30 13F CAMECO COM Call 802,600 2.41 9,739 -13.20 n/a n/a n/a
2015-08-13 2015-06-30 13F CAMECO COM Call 783,700 18.72 11,220 21.97 n/a n/a n/a
2015-05-14 2015-03-31 13F CAMECO COM Call 660,100 16.94 9,199 -0.82 n/a n/a n/a
2015-02-17 2014-12-31 13F CAMECO COM Call 564,500 5.04 9,275 -2.42 n/a n/a n/a
2014-11-14 2014-09-30 13F CAMECO COM Call 537,400 0.94 9,505 -9.15 n/a n/a n/a
2014-08-14 2014-06-30 13F CAMECO COM Call 532,400 -42.98 10,462 -51.14 n/a n/a n/a
2014-05-15 2014-03-31 13F CAMECO COM Call 933,700 47.22 21,412 62.95 n/a n/a n/a
2014-02-14 2013-12-31 13F CAMECO COM Call 634,200 27.17 13,140 45.76 n/a n/a n/a
2013-11-14 2013-09-30 13F CAMECO COM Call 498,700 25.21 9,015 9.99 n/a n/a n/a
2013-08-14 2013-06-30 13F CAMECO COM Call 398,300 8,196 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 CAMECO COM Put 128,300 -64.26 13,908 -57.75 n/a n/a n/a
2026-02-13 2025-12-31 13F CAMECO COM Put 359,000 -67.06 32,916 -64.03 n/a n/a n/a
2025-11-10 2025-09-30 13F CAMECO COM Put 1,090,000 445.00 91,499 517.28 n/a n/a n/a
2025-08-11 2025-06-30 13F CAMECO COM Put 200,000 100.20 14,823 260.57 n/a n/a n/a
2025-05-12 2025-03-31 13F CAMECO COM Put 99,900 -67.14 4,112 -73.68 n/a n/a n/a
2025-02-12 2024-12-31 13F CAMECO COM Put 304,000 15,623 n/a n/a n/a
2024-11-12 2024-09-30 13F CAMECO COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2024-08-12 2024-06-30 13F CAMECO COM Put 16,300 802 n/a n/a n/a
2024-05-10 2024-03-31 13F CAMECO COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2024-02-09 2023-12-31 13F CAMECO COM Put 139,400 0.00 6,040 8.69 n/a n/a n/a
2023-12-06 2023-09-30 13F/A CAMECO COM Put 139,400 -86.06 5,556 -82.28 n/a n/a n/a
2023-11-09 2023-09-30 13F CAMECO COM Put 139,400 5,556 n/a n/a n/a
2023-08-10 2023-06-30 13F CAMECO COM Put 1,000,000 150.00 31,355 199.78 n/a n/a n/a
2023-05-11 2023-03-31 13F CAMECO COM Put 400,000 10,460 n/a n/a n/a
2023-02-09 2022-12-31 13F CAMECO COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2022-11-10 2022-09-30 13F CAMECO COM Put 59,000 -77.07 1,574 -70.84 n/a n/a n/a
2022-08-10 2022-06-30 13F CAMECO COM Put 257,300 409.50 5,398 266.71 n/a n/a n/a
2022-05-12 2022-03-31 13F CAMECO COM Put 50,500 -83.17 1,472 -77.53 n/a n/a n/a
2022-02-10 2021-12-31 13F CAMECO COM Put 300,000 -49.30 6,550 -49.04 n/a n/a n/a
2021-11-10 2021-09-30 13F CAMECO COM Put 591,700 12,854 n/a n/a n/a
2021-05-13 2021-03-31 13F CAMECO COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-11 2020-12-31 13F CAMECO COM Put 187,200 7.65 2,505 43.06 n/a n/a n/a
2020-11-12 2020-09-30 13F CAMECO COM Put 173,900 -13.87 1,751 -15.12 n/a n/a n/a
2020-08-12 2020-06-30 13F CAMECO COM Put 201,900 -9.22 2,063 23.02 n/a n/a n/a
2020-05-12 2020-03-31 13F CAMECO COM Put 222,400 -41.80 1,677 -50.68 n/a n/a n/a
2020-02-12 2019-12-31 13F CAMECO COM Put 382,100 13.21 3,400 6.02 n/a n/a n/a
2019-11-08 2019-09-30 13F CAMECO COM Put 337,500 -10.83 3,207 -21.15 n/a n/a n/a
2019-08-12 2019-06-30 13F CAMECO COM Put 378,500 50.32 4,067 36.98 n/a n/a n/a
2019-05-13 2019-03-31 13F CAMECO COM Put 251,800 14.92 2,969 19.57 n/a n/a n/a
2019-02-12 2018-12-31 13F CAMECO COM Put 219,100 1.95 2,483 1.39 n/a n/a n/a
2018-11-13 2018-09-30 13F CAMECO COM Put 214,900 -10.42 2,449 -9.20 n/a n/a n/a
2018-08-10 2018-06-30 13F CAMECO COM Put 239,900 32.10 2,697 63.55 n/a n/a n/a
2018-05-11 2018-03-31 13F CAMECO COM Put 181,600 11.96 1,649 9.71 n/a n/a n/a
2018-02-12 2017-12-31 13F CAMECO COM Put 162,200 -7.53 1,503 -11.12 n/a n/a n/a
2017-11-13 2017-09-30 13F CAMECO COM Put 175,400 9.42 1,691 15.98 n/a n/a n/a
2017-08-11 2017-06-30 13F CAMECO COM Put 160,300 -51.20 1,458 -59.79 n/a n/a n/a
2017-05-12 2017-03-31 13F CAMECO COM Put 328,500 -34.23 3,626 -30.67 n/a n/a n/a
2017-02-10 2016-12-31 13F CAMECO COM Put 499,500 -19.29 5,230 -0.95 n/a n/a n/a
2016-11-10 2016-09-30 13F CAMECO COM Put 618,900 30.65 5,280 1.99 n/a n/a n/a
2016-08-12 2016-06-30 13F CAMECO COM Put 473,700 98.45 5,177 68.25 n/a n/a n/a
2016-05-13 2016-03-31 13F CAMECO COM Put 238,700 -1.45 3,077 3.32 n/a n/a n/a
2016-02-12 2015-12-31 13F CAMECO COM Put 242,200 17.52 2,978 19.07 n/a n/a n/a
2015-11-13 2015-09-30 13F CAMECO COM Put 206,100 -62.84 2,501 -68.51 n/a n/a n/a
2015-08-13 2015-06-30 13F CAMECO COM Put 554,700 66.33 7,942 70.87 n/a n/a n/a
2015-05-14 2015-03-31 13F CAMECO COM Put 333,500 -30.54 4,648 -41.08 n/a n/a n/a
2015-02-17 2014-12-31 13F CAMECO COM Put 480,100 -26.52 7,888 -31.74 n/a n/a n/a
2014-11-14 2014-09-30 13F CAMECO COM Put 653,400 7.24 11,556 -3.48 n/a n/a n/a
2014-08-14 2014-06-30 13F CAMECO COM Put 609,300 33.09 11,973 14.05 n/a n/a n/a
2014-05-15 2014-03-31 13F CAMECO COM Put 457,800 -30.97 10,498 -23.60 n/a n/a n/a
2014-02-14 2013-12-31 13F CAMECO COM Put 663,200 69.96 13,741 94.80 n/a n/a n/a
2013-11-14 2013-09-30 13F CAMECO COM Put 390,200 10.98 7,054 -2.50 n/a n/a n/a
2013-08-14 2013-06-30 13F CAMECO COM Put 351,600 7,235 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.