카메코 코퍼레이션
US ˙ NYSE ˙ US13321L1085

SecurityCCJ / Cameco Corporation
InstitutionMorgan Stanley
Latest Disclosed Ownership4,615,953 shares
Latest Disclosed Value $ 501,338,849
Morgan Stanley reports 7.28% decrease in ownership of CCJ / Cameco Corporation

On May 15, 2026 - Morgan Stanley filed a 13F-HR form disclosing ownership of 4,615,953 shares of Cameco Corporation (US:CCJ) valued at $501,338,655 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on May 27, 2026 disclosing 4,978,333 shares of Cameco Corporation. This represents a change in shares of -7.28% during the quarter. The current value of the position is $526,310,961 USD.

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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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)
2026-05-15 2026-03-31 13F CAMECO COM 13321L108 4,615,953 -362,380 -7.28 501,339 10.07 0.0302
2026-05-27 2025-12-31 13F/A-1 CAMECO COM 13321L108 4,978,333 323,693 6.95 455,468 16.69 0.0272
2026-02-13 2025-12-31 13F CAMECO COM 13321L108 4,978,333 323,693 455,468 0.0272
2026-05-27 2025-09-30 13F/A-1 CAMECO COM 13321L108 4,654,640 32,469 0.70 390,338 13.77 0.0236
2025-11-14 2025-09-30 13F CAMECO COM 13321L108 4,654,640 32,469 390,338 0.0236
2025-08-15 2025-06-30 13F CAMECO COM 13321L108 4,622,171 -1,300,707 -21.96 343,104 40.74 0.0224
2025-05-15 2025-03-31 13F CAMECO COM 13321L108 5,922,878 -709,505 -10.70 243,786 -28.47 0.0174
2025-05-15 2024-12-31 13F/A-1 CAMECO COM 13321L108 6,632,383 -250,768 -3.64 340,838 3.68 0.0239
2025-02-14 2024-12-31 13F CAMECO COM 13321L108 6,632,383 -250,768 340,838 0.0239
2025-05-14 2024-09-30 13F/A-2 CAMECO COM 13321L108 6,883,151 -19,768 -0.29 328,739 -3.20 0.0238
2025-02-14 2024-09-30 13F/A-1 CAMECO COM 13321L108 6,883,151 -19,768 328,739 0.0238
2024-11-14 2024-09-30 13F CAMECO COM 13321L108 6,883,151 -19,768 328,739 0.0028
2025-05-14 2024-06-30 13F/A-2 CAMECO COM 13321L108 6,902,919 -183,119 -2.58 339,624 10.64 0.0263
2024-10-17 2024-06-30 13F/A-1 CAMECO COM 13321L108 6,902,919 -183,119 339,624 0.0263
2024-08-14 2024-06-30 13F CAMECO COM 13321L108 6,902,919 -183,119 339,624 0.0263
2024-10-17 2024-03-31 13F/A-2 CAMECO COM 13321L108 7,086,038 -729,013 -9.33 306,967 -8.87 0.0246
2024-08-16 2024-03-31 13F/A-1 CAMECO COM 13321L108 7,086,038 -729,013 306,967 0.0029
2024-05-15 2024-03-31 13F CAMECO COM 13321L108 7,086,038 -729,013 306,967 0.0246
2024-08-16 2023-12-31 13F/A-1 CAMECO COM 13321L108 7,815,051 62,793 0.81 336,829 9.61 0.0297
2024-02-13 2023-12-31 13F CAMECO COM 13321L108 7,815,051 62,793 336,829 0.0297
2023-11-15 2023-09-30 13F CAMECO COM 13321L108 7,752,258 428,310 5.85 307,300 33.92 0.0312
2023-08-14 2023-06-30 13F CAMECO COM 13321L108 7,323,948 -44,933 -0.61 229,459 18.99 0.0226
2023-05-15 2023-03-31 13F CAMECO COM 13321L108 7,368,881 -185,870 -2.46 192,844 12.60 0.0207
2023-02-14 2022-12-31 13F CAMECO COM 13321L108 7,554,751 37,239 0.50 171,266 -14.06 0.0195
2022-11-14 2022-09-30 13F CAMECO COM 13321L108 7,517,512 309,889 4.30 199,290 31.54 0.0272
2022-10-27 2022-06-30 13F/A-1 CAMECO COM 13321L108 7,207,623 768,237 11.93 151,506 -19.15 0.0197
2022-08-15 2022-06-30 13F CAMECO COM 13321L108 7,207,623 768,237 151,506 0.0197
2022-10-27 2022-03-31 13F/A-1 CAMECO COM 13321L108 6,439,386 955,731 17.43 187,387 56.68 0.0253
2022-05-13 2022-03-31 13F CAMECO COM 13321L108 6,439,386 955,731 187,387 0.0253
2022-02-14 2021-12-31 13F CAMECO COM 13321L108 5,483,655 -553,592 -9.17 119,598 -8.83 0.0148
2021-11-15 2021-09-30 13F CAMECO COM 13321L108 6,037,247 -406,072 -6.30 131,188 6.15 0.0177
2021-08-23 2021-06-30 13F/A-1 CAMECO COM 13321L108 6,443,319 2,043,376 46.44 123,582 69.10 0.0163
2021-08-16 2021-06-30 13F CAMECO COM 13321L108 6,462,087 2,062,144 123,942 0.0034
2021-05-17 2021-03-31 13F CAMECO COM 13321L108 4,399,943 1,340,775 43.83 73,083 78.28 0.0107
2021-02-16 2020-12-31 13F CAMECO COM 13321L108 3,059,168 -612,509 -16.68 40,994 10.55 0.0063
2020-11-13 2020-09-30 13F CAMECO COM 13321L108 3,671,677 231,406 6.73 37,083 5.16 0.0072
2020-08-14 2020-06-30 13F CAMECO COM 13321L108 3,440,271 967,204 39.11 35,263 86.64 0.0078
2020-05-26 2020-03-31 13F/A-1 CAMECO COM 13321L108 2,473,067 -673,560 -21.41 18,894 -32.53 0.0051
2020-05-15 2020-03-31 13F CAMECO COM 13321L108 3,891,923 745,296 29,734 2,284.1910
2020-02-14 2019-12-31 13F CAMECO COM 13321L108 3,146,627 -507,473 -13.89 28,005 -19.33 0.0065
2019-11-14 2019-09-30 13F CAMECO COM 13321L108 3,654,100 599,491 19.63 34,714 5.92 0.0092
2019-08-14 2019-06-30 13F CAMECO COM 13321L108 3,054,609 -306,505 -9.12 32,775 -17.29 0.0087
2019-05-15 2019-03-31 13F CAMECO COM 13321L108 3,361,114 -16,308 -0.48 39,627 3.37 0.0112
2019-02-14 2018-12-31 13F CAMECO COM 13321L108 3,377,422 -289,350 -7.89 38,334 -8.29 0.0115
2019-04-23 2018-09-30 13F/A-2 CAMECO COM 13321L108 3,666,772 -830,329 -18.46 41,801 -17.38 0.0105
2018-11-20 2018-09-30 13F/A-1 CAMECO COM 13321L108 3,666,772 0 41,801 0.0105
2018-11-14 2018-09-30 13F CAMECO COM 13321L108 3,666,772 -830,329 41,801
2019-04-23 2018-06-30 13F/A-1 CAMECO COM 13321L108 4,497,101 50,015 1.12 50,593 25.16 0.0137
2018-08-14 2018-06-30 13F CAMECO COM 13321L108 4,497,101 50,015 50,593
2019-04-23 2018-03-31 13F/A-1 CAMECO COM 13321L108 4,447,086 -348,173 -7.26 40,424 -8.67 0.0112
2018-05-14 2018-03-31 13F CAMECO COM 13321L108 4,447,086 -348,173 40,424
2019-04-23 2017-12-31 13F/A-1 CAMECO COM 13321L108 4,795,259 754,290 18.67 44,262 13.27 0.0121
2018-02-14 2017-12-31 13F CAMECO COM 13321L108 4,795,259 754,290 44,262
2017-11-14 2017-09-30 13F CAMECO COM 13321L108 4,040,969 1,392,285 52.57 39,076 62.12 0.0117
2017-08-11 2017-06-30 13F CAMECO COM 13321L108 2,648,684 99,190 3.89 24,103 -14.60 0.0073
2017-05-22 2017-03-31 13F/A-1 CAMECO COM 13321L108 2,549,494 -68,014 -2.60 28,224 2.99 0.0087
2017-05-12 2017-03-31 13F CAMECO COM 13321L108 2,549,494 28,224
2017-02-22 2016-12-31 13F/A-1 CAMECO COM 13321L108 2,617,508 -123,277 -4.50 27,404 16.81 0.0090
2017-02-13 2016-12-31 13F CAMECO COM 13321L108 2,617,508 27,404
2016-11-10 2016-09-30 13F CAMECO COM 13321L108 2,740,785 641,228 30.54 23,461 1.86 0.0080
2016-08-12 2016-06-30 13F CAMECO COM 13321L108 2,099,557 -256,856 -10.90 23,032 -23.88 0.0083
2016-05-12 2016-03-31 13F CAMECO COM 13321L108 2,356,413 527,021 28.81 30,257 34.14 0.0116
2016-02-09 2015-12-31 13F CAMECO COM 13321L108 1,829,392 -812,977 -30.77 22,556 -29.86 0.0082
2016-02-08 2015-09-30 13F/A-1 CAMECO COM 13321L108 2,642,369 1,129,553 74.67 32,158 48.86 0.0119
2015-11-09 2015-09-30 13F CAMECO COM 13321L108 2,642,369 32,158
2015-08-12 2015-06-30 13F CAMECO COM 13321L108 1,512,816 -619,762 -29.06 21,603 -27.28 0.0075
2015-05-14 2015-03-31 13F CAMECO COM 13321L108 2,132,578 560,283 35.63 29,707 15.14 0.0109
2015-02-13 2014-12-31 13F CAMECO COM 13321L108 1,572,295 -130,549 -7.67 25,801 -14.20 0.0094
2014-12-16 2014-09-30 13F/A-1 CAMECO COM 13321L108 1,702,844 402,491 30.95 30,072 17.93 0.0116
2014-11-14 2014-09-30 13F CAMECO COM 13321L108 1,702,844 30,072
2014-08-12 2014-06-30 13F CAMECO COM 13321L108 1,300,353 -936,629 -41.87 25,500 -50.22 0.0436
2014-05-13 2014-03-31 13F CAMECO COM 13321L108 2,236,982 822,084 58.10 51,227 74.32 0.0215
2014-02-13 2013-12-31 13F CAMECO COM 13321L108 1,414,898 -196,920 -12.22 29,387 0.90 0.0125
2013-11-13 2013-09-30 13F CAMECO CORP CAD COM NA 13321L108 1,611,818 1,015,366 170.23 29,125 136.37 0.0138
2013-08-08 2013-06-30 13F CAMECO CORP CAD COM NA 13321L108 596,452 596,452 12,322 0.0062
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.