William Blair Investment Management’s Cameco CCJ Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $189M | Buy |
1,858,735
+176,432
| +10% | +$19.8M | 0.57% | 42 |
|
|
2026
Q1 | $183M | Sell |
1,682,303
-298,524
| -15% | -$34.2M | 0.6% | 35 |
|
|
2025
Q4 | $181M | Sell |
1,980,827
-657,206
| -25% | -$59.2M | 0.51% | 47 |
|
|
2025
Q3 | $221M | Sell |
2,638,033
-1,231,258
| -32% | -$95.5M | 0.57% | 40 |
|
|
2025
Q2 | $287M | Buy |
3,869,291
+506,667
| +15% | +$27M | 0.76% | 23 |
|
|
2025
Q1 | $138M | Sell |
3,362,624
-697,727
| -17% | -$32.8M | 0.39% | 73 |
|
|
2024
Q4 | $209M | Sell |
4,060,351
-1,287,514
| -24% | -$70.1M | 0.51% | 56 |
|
|
2024
Q3 | $255M | Buy |
5,347,865
+1,187,856
| +29% | +$51.8M | 0.63% | 41 |
|
|
2024
Q2 | $205M | Buy |
4,160,009
+265,196
| +7% | +$13.4M | 0.54% | 50 |
|
|
2024
Q1 | $169M | Sell |
3,894,813
-179,277
| -4% | -$7.86M | 0.44% | 71 |
|
|
2023
Q4 | $176M | Sell |
4,074,090
-837,929
| -17% | -$35.1M | 0.51% | 59 |
|
|
2023
Q3 | $195M | Sell |
4,912,019
-3,487,292
| -42% | -$123M | 0.65% | 38 |
|
|
2023
Q2 | $263M | Sell |
8,399,311
-1,841,122
| -18% | -$51.8M | 0.84% | 22 |
|
|
2023
Q1 | $268M | Sell |
10,240,433
-965,273
| -9% | -$25.5M | 0.93% | 19 |
|
|
2022
Q4 | $254M | Buy |
11,205,706
+997,313
| +10% | +$23.5M | 0.97% | 21 |
|
|
2022
Q3 | $271M | Sell |
10,208,393
-2,078,371
| -17% | -$53.2M | 1.07% | 15 |
|
|
2022
Q2 | $258M | Sell |
12,286,764
-356,178
| -3% | -$8.99M | 0.96% | 16 |
|
|
2022
Q1 | $368M | Sell |
12,642,942
-772,059
| -6% | -$18.1M | 1.1% | 9 |
|
|
2021
Q4 | $293M | Sell |
13,415,001
-1,209,528
| -8% | -$29.3M | 0.79% | 31 |
|
|
2021
Q3 | $318M | Sell |
14,624,529
-790,045
| -5% | -$14.9M | 0.9% | 24 |
|
|
2021
Q2 | $296M | Sell |
15,414,574
-214,349
| -1% | -$4.05M | 0.93% | 29 |
|
|
2021
Q1 | $260M | Buy |
15,628,923
+218,233
| +1% | +$3.35M | 0.84% | 30 |
|
|
2020
Q4 | $207M | Sell |
15,410,690
-19,784
| -0.1% | -$211K | 0.69% | 50 |
|
|
2020
Q3 | $156M | Buy |
15,430,474
+468,567
| +3% | +$5.07M | 0.61% | 64 |
|
|
2020
Q2 | $153M | Buy |
14,961,907
+4,345,785
| +41% | +$43.4M | 0.62% | 60 |
|
|
2020
Q1 | $81.1M | Buy |
10,616,122
+8,538,323
| +411% | +$70M | 0.39% | 85 |
|
|
2019
Q4 | $18.5M | Buy |
2,077,799
+43,817
| +2% | +$405K | 0.07% | 205 |
|
|
2019
Q3 | $19.3M | Buy |
2,033,982
+200,379
| +11% | +$1.88M | 0.08% | 205 |
|
|
2019
Q2 | $19.7M | Buy |
1,833,603
+17,378
| +1% | +$187K | 0.08% | 201 |
|
|
2019
Q1 | $21.4M | Buy |
1,816,225
+73,742
| +4% | +$886K | 0.09% | 191 |
|
|
2018
Q4 | $19.8M | Buy |
1,742,483
+1,402,506
| +413% | +$16.2M | 0.1% | 193 |
|
|
2018
Q3 | $3.88M | Buy |
+339,977
| New | +$3.58M | 0.01% | 367 |
|
Other funds holding CCJ
William Blair Investment Management's CCJ Position: Q2 2026 in Review
William Blair Investment Management increased its Cameco (CCJ) stake by 10% in Q2 2026, buying an estimated $19.8M and bringing the position to 1,858,735 shares worth $189M. The position accounts for 0.57% of the portfolio, ranked #42.
William Blair Investment Management first reported a position in CCJ in Q3 2018 and has held it in 32 quarters since. The position peaked at $368M in Q1 2022. 1,033 funds tracked by Wall St. Rank hold CCJ as of Q2 2026.
- William Blair Investment Management held 1,858,735 shares of Cameco worth $189M as of Q2 2026.
- William Blair Investment Management bought 176,432 Cameco shares in Q2 2026, an estimated $19.8M.
- Cameco made up 0.57% of William Blair Investment Management's portfolio in Q2 2026, its #42 holding.
- William Blair Investment Management first reported a position in Cameco in Q3 2018 and has held it in 32 quarters since.
- William Blair Investment Management's Cameco position peaked at $368M in Q1 2022.
- 1,033 funds tracked by Wall St. Rank held Cameco as of Q2 2026.
Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.