William Blair & Company’s BWX Technologies BWXT Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $294M | Sell |
1,438,125
-1,541
| -0.1% | -$313K | 0.84% | 22 |
|
|
2025
Q4 | $249M | Buy |
1,439,666
+248,598
| +21% | +$46.6M | 0.67% | 32 |
|
|
2025
Q3 | $220M | Buy |
1,191,068
+187,461
| +19% | +$30.2M | 0.58% | 42 |
|
|
2025
Q2 | $145M | Buy |
1,003,607
+220,616
| +28% | +$25.8M | 0.4% | 64 |
|
|
2025
Q1 | $77.2M | Buy |
782,991
+358,170
| +84% | +$38.9M | 0.23% | 102 |
|
|
2024
Q4 | $47.3M | Buy |
424,821
+384,323
| +949% | +$47M | 0.14% | 139 |
|
|
2024
Q3 | $4.4M | Sell |
40,498
-2,544
| -6% | -$253K | 0.01% | 528 |
|
|
2024
Q2 | $4.09M | Buy |
43,042
+331
| +0.8% | +$30.7K | 0.01% | 529 |
|
|
2024
Q1 | $4.38M | Sell |
42,711
-1,426
| -3% | -$128K | 0.01% | 509 |
|
|
2023
Q4 | $3.39M | Sell |
44,137
-857
| -2% | -$65.9K | 0.01% | 550 |
|
|
2023
Q3 | $3.37M | Sell |
44,994
-396
| -0.9% | -$28.6K | 0.01% | 525 |
|
|
2023
Q2 | $3.25M | Buy |
45,390
+978
| +2% | +$63.9K | 0.01% | 545 |
|
|
2023
Q1 | $2.8M | Buy |
44,412
+2,923
| +7% | +$176K | 0.01% | 582 |
|
|
2022
Q4 | $2.41M | Buy |
41,489
+198
| +0.5% | +$11.4K | 0.01% | 583 |
|
|
2022
Q3 | $2.08M | Buy |
41,291
+238
| +0.6% | +$12.8K | 0.01% | 613 |
|
|
2022
Q2 | $2.26M | Sell |
41,053
-870
| -2% | -$45.2K | 0.01% | 611 |
|
|
2022
Q1 | $2.26M | Sell |
41,923
-7,838
| -16% | -$386K | 0.01% | 670 |
|
|
2021
Q4 | $2.38M | Sell |
49,761
-5,794
| -10% | -$303K | 0.01% | 682 |
|
|
2021
Q3 | $2.99M | Sell |
55,555
-4,617
| -8% | -$260K | 0.01% | 587 |
|
|
2021
Q2 | $3.5M | Sell |
60,172
-46,673
| -44% | -$3M | 0.01% | 547 |
|
|
2021
Q1 | $7.04M | Sell |
106,845
-18,516
| -15% | -$1.11M | 0.03% | 388 |
|
|
2020
Q4 | $7.56M | Sell |
125,361
-22,914
| -15% | -$1.32M | 0.03% | 362 |
|
|
2020
Q3 | $8.35M | Sell |
148,275
-13,948
| -9% | -$782K | 0.04% | 309 |
|
|
2020
Q2 | $9.19M | Sell |
162,223
-15,967
| -9% | -$893K | 0.04% | 277 |
|
|
2020
Q1 | $8.68M | Sell |
178,190
-11,762
| -6% | -$699K | 0.05% | 250 |
|
|
2019
Q4 | $11.8M | Buy |
189,952
+8,967
| +5% | +$533K | 0.06% | 246 |
|
|
2019
Q3 | $10.4M | Sell |
180,985
-5,907
| -3% | -$330K | 0.06% | 253 |
|
|
2019
Q2 | $9.74M | Sell |
186,892
-92,805
| -33% | -$4.63M | 0.06% | 263 |
|
|
2019
Q1 | $13.9M | Sell |
279,697
-53,138
| -16% | -$2.51M | 0.08% | 212 |
|
|
2018
Q4 | $12.7M | Sell |
332,835
-489,331
| -60% | -$24.3M | 0.09% | 202 |
|
|
2018
Q3 | $51.4M | Buy |
822,166
+149,049
| +22% | +$9.44M | 0.32% | 79 |
|
|
2018
Q2 | $41.9M | Buy |
673,117
+52,877
| +9% | +$3.52M | 0.29% | 89 |
|
|
2018
Q1 | $39.4M | Sell |
620,240
-6,265
| -1% | -$397K | 0.28% | 90 |
|
|
2017
Q4 | $37.9M | Sell |
626,505
-6,554
| -1% | -$395K | 0.26% | 99 |
|
|
2017
Q3 | $35.5M | Buy |
633,059
+92,497
| +17% | +$4.91M | 0.27% | 98 |
|
|
2017
Q2 | $26.4M | Buy |
540,562
+143,897
| +36% | +$6.97M | 0.2% | 125 |
|
|
2017
Q1 | $18.9M | Buy |
396,665
+138,286
| +54% | +$6.04M | 0.15% | 155 |
|
|
2016
Q4 | $10.3M | Buy |
258,379
+92,214
| +55% | +$3.58M | 0.09% | 212 |
|
|
2016
Q3 | $6.38M | Buy |
+166,165
| New | +$6.28M | 0.06% | 269 |
|
|
2015
Q1 | – | Sell |
-42,015
| Closed | -$910K | – | 2146 |
|
|
2014
Q4 | $910K | Sell |
42,015
-6,430
| -13% | -$135K | ﹤0.01% | 1527 |
|
|
2014
Q3 | $959K | Buy |
48,445
+34,083
| +237% | +$736K | ﹤0.01% | 1489 |
|
|
2014
Q2 | $333K | Sell |
14,362
-1,325
| -8% | -$31.4K | ﹤0.01% | 1775 |
|
|
2014
Q1 | $372K | Buy |
15,687
+316
| +2% | +$7.63K | ﹤0.01% | 1705 |
|
|
2013
Q4 | $375K | Buy |
15,371
+405
| +3% | +$9.49K | ﹤0.01% | 1678 |
|
|
2013
Q3 | $360K | Buy |
+14,966
| New | +$339K | ﹤0.01% | 1662 |
|
Other funds holding BWXT
VPM
VCM
William Blair & Company's BWXT Position: Q1 2026 in Review
William Blair & Company reduced its BWX Technologies (BWXT) stake by 0.11% in Q1 2026, selling an estimated $313K and leaving 1,438,125 shares worth $294M. The position accounts for 0.84% of the portfolio, ranked #22.
William Blair & Company first reported a position in BWXT in Q3 2013 and has held it in 45 quarters since. 824 funds tracked by Wall St. Rank hold BWXT as of Q1 2026.
- William Blair & Company held 1,438,125 shares of BWX Technologies worth $294M as of Q1 2026.
- William Blair & Company sold 1,541 BWX Technologies shares in Q1 2026, an estimated $313K.
- BWX Technologies made up 0.84% of William Blair & Company's portfolio in Q1 2026, its #22 holding.
- William Blair & Company first reported a position in BWX Technologies in Q3 2013 and has held it in 45 quarters since.
- 824 funds tracked by Wall St. Rank held BWX Technologies as of Q1 2026.
Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.