BWX Technologies
BWXT · NYSE
Who owns BWXT
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 36.9% of BWXT’s shares.
- BlackRock Institutional Trust Company, N.A.10.5%
- Vanguard Portfolio Management, LLC5.2%
- Vanguard Capital Management, LLC4.5%
- State Street Investment Management (US)4.1%
- Next 6 largest institutions12.5%
- All other shareholders63.1%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 9.65M | 10.53% |
| Vanguard Portfolio Management, LLC | 4.76M | 5.19% |
| Vanguard Capital Management, LLC | 4.14M | 4.52% |
| State Street Investment Management (US) | 3.80M | 4.15% |
| JP Morgan Asset Management | 2.21M | 2.41% |
| First Trust Advisors L.P. | 2.08M | 2.27% |
| Franklin Advisers, Inc. | 1.90M | 2.07% |
| Geode Capital Management, L.L.C. | 1.86M | 2.03% |
| Select Equity Group, L.P. | 1.70M | 1.86% |
| Alkeon Capital Management LLC | 1.69M | 1.85% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.21M | 3.50% |
| Vanguard Total Stock Market Index Fund | 2.92M | 3.19% |
| Vanguard Small-Cap Index Fund | 2.11M | 2.30% |
| First Trust RBA Amer Industrial Renaissance ETF | 1.86M | 2.03% |
| VanEck Uranium and Nuclear ETF | 1.42M | 1.55% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $4.28M (9 trades) of BWXT on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| JABLONSKY DANIEL L | Award | 2 | — |
| Melvin Leland D | Award | 15 | — |
| Richardson John M | Award | 16 | — |
| Krieg Kenneth J | Award | 36 | — |
| Bertsch Jan | Award | 42 | — |
| Burbach Gerhard F | Award | 23 | — |
| JASKA JAMES M | Award | 28 | — |
| PIASECKI NICOLE WEYERHAEUSER | Award | 8 | — |
| Maddux Suzanne | Award | 1.26K | — |
| Maddux Suzanne | Award | 5.73K | — |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Lisa McClainHouse | Sale | $1K–$15K | Oct 31, 2025 |
| Lisa McClainHouse | Purchase | $1K–$15K | Oct 30, 2025 |
Short interest
Settled Sep 30, 2026
- Shares short
- 3.29M
- Days to cover
- 2.53
- % of shares outstanding
- 3.59%
- Average daily volume
- 1.30M
- Change since last report
- +2.4%
Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.