WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in BWXT — BWX Technologies, Inc.
CIK 1644956
CHICAGO, IL
Position in BWXT
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$183,211,003
-$17,553,598 QoQ
Shares Held
941,233
-4.1% QoQ
Ownership
1.03%
of shares outstanding
% of Portfolio
0.56%
of 13F equity value
Holder Rank
#21
of 841 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 93%
Shared 0%
None 7%
Common Shares in BWXT Over Time
Shares Held
Position Value (USD)
Position in Aerospace & Defense
Industrials · as of Jun 30, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $993,100,622 across 12 Aerospace & Defense names. BWXT ranks #3 (18.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GE |
General Electric Co
|
790,801 | $295,546,057 | |
| 2 | CW |
Curtiss Wright Corp
|
317,306 | $240,441,794 | |
| 3 | BWXT |
BWX Technologies, Inc.
This page
|
941,233 | $183,211,003 | |
| 4 | SPCX |
Space Exploration Technologies Corp
|
349,477 | $59,711,640 | |
| 5 | KRMN |
Karman Holdings Inc.
|
977,462 | $48,794,903 | |
| 6 | MRCY |
Mercury Systems Inc
|
379,732 | $46,452,615 | |
| 7 | MDA |
MDA Space Ltd.
|
928,044 | $38,309,656 | |
| 8 | DPC |
DPC Holdings PLC
|
640,005 | $31,398,645 |
All Filings in BWXT
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $183,211,003 | 941,233 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $200,764,601 | 981,782 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $191,437,584 | 1,107,600 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $231,441,504 | 1,255,310 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $218,590,305 | 1,517,356 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $24,017,427 | 243,461 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $150,491,900 | 1,351,036 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $343,933,539 | 3,164,062 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $377,294,210 | 3,971,518 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $411,035,892 | 4,005,417 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $355,634,879 | 4,634,887 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $422,052,447 | 5,628,867 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $414,260,973 | 5,788,193 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $400,422,578 | 6,351,881 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $362,943,778 | 6,249,032 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $335,140,572 | 6,653,575 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $352,438,825 | 6,397,510 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $352,098,978 | 6,537,300 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $333,070,085 | 6,956,351 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $390,655,089 | 7,253,158 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $427,495,324 | 7,355,391 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $492,008,408 | 7,461,456 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $445,280,644 | 7,386,872 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $423,013,783 | 7,512,232 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $430,585,549 | 7,602,146 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $378,583,131 | 7,772,185 | Shares | Sole | 2020-05-08 | |
| No filing history on record for this holder in this stock. | ||||||