BWX Technologies, Inc. (BWXT) Ownership
BWXT ownership summary
as of October 18, 2026- Institutions
- 94.7% of shares outstanding
- Insiders
- 0.36% of shares outstanding
- Shares outstanding
- 91.6M
- Float
- 91.2M shares available to trade
- Short interest
- 4.52% 3.3M shares short
- Days to cover
- 2.85 short interest up 10.5% vs prior month
- Institutions 94.68%
- Insiders 0.36%
- Other investors 4.97%
BWXT top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 13.23% | 12.1M | $1.66B | −363,720 (−2.9%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 5.19% | 4.8M | $651.5M | −136,174 (−2.8%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 4.52% | 4.1M | $567.3M | +46,237 (+1.1%) | June 30, 2026 |
| 4 | State Street Corp | 4.15% | 3.8M | $520.6M | +50,425 (+1.3%) | June 30, 2026 |
| 5 | JPMorgan Chase & Co | 2.90% | 2.7M | $363.7M | +81,428 (+3.2%) | June 30, 2026 |
| 6 | First Trust Advisors L.P. | 2.27% | 2.1M | $284.4M | +684,471 (+49.2%) | June 30, 2026 |
| 7 | Alkeon Capital Management, LLC | 2.21% | 2.0M | $277.1M | +283,400 (+16.3%) | June 30, 2026 |
| 8 | Franklin Templeton Inc | 2.11% | 1.9M | $264.5M | +28,982 (+1.5%) | June 30, 2026 |
| 9 | Geode Capital Management, LLC | 2.03% | 1.9M | $254.9M | +67,236 (+3.7%) | June 30, 2026 |
| 10 | Amvescap Plc. | 2.00% | 1.8M | $251.5M | −687,204 (−27.2%) | June 30, 2026 |
| 11 | Select Equity Group LP | 1.86% | 1.7M | $233.5M | +977,584 (+134.6%) | June 30, 2026 |
| 12 | Van Eck Associates Corporation | 1.70% | 1.6M | $213.3M | −27,676 (−1.7%) | June 30, 2026 |
| 13 | Blair William & Co | 1.70% | 1.6M | $213.2M | +118,292 (+8.2%) | June 30, 2026 |
| 14 | Massachusetts Financial Services Company | 1.39% | 1.3M | $174.8M | −10,606 (−0.8%) | June 30, 2026 |
| 15 | Snyder Capital Management LP | 1.35% | 1.2M | $169.6M | +135,396 (+12.3%) | June 30, 2026 |
| 16 | T. Rowe Price Investment Management,Inc. | 1.29% | 1.2M | $161.6M | −148,052 (−11.2%) | June 30, 2026 |
| 17 | Bank of New York Mellon Corp | 1.25% | 1.1M | $156.7M | −140,474 (−10.9%) | June 30, 2026 |
| 18 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1.16% | 1.1M | $145.6M | −225,481 (−17.5%) | June 30, 2026 |
| 19 | Artisan Partners Limited Partnership | 1.16% | 1.1M | $145.2M | +287 (+0.0%) | June 30, 2026 |
| 20 | Bank of America Corp | 1.13% | 1.0M | $142.2M | +32,242 (+3.2%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 2.5M shares and 8 cut 1.7M.
BWXT top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Mid-Cap ETF | 3.56% | 3.3M | $447.1M | −1,164 (−0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.18% | 2.9M | $399.3M | −3,332 (−0.1%) | August 31, 2026 |
| 3 | Vanguard Small Cap Index | 2.30% | 2.1M | $288.8M | +2,899 (+0.1%) | August 31, 2026 |
| 4 | First Trust RBA Amer Indl RenaisTM ETF | 2.02% | 1.8M | $253.1M | +1,067 (+0.1%) | September 30, 2026 |
| 5 | VanEck Uranium & Nuclear ETF | 1.75% | 1.6M | $219.8M | — | September 30, 2026 |
| 6 | Vanguard MStar Small Cap Growth Indx Inv | 1.32% | 1.2M | $165.8M | −7,619 (−0.6%) | August 31, 2026 |
| 7 | Stt Strt® SPDR® S&P® Arspc & Dfnc ETF | 1.16% | 1.1M | $146.0M | +2,224 (+0.2%) | September 30, 2026 |
| 8 | ACAP Strategic A | 1.08% | 994K | $136.2M | +134,265 (+15.6%) | June 30, 2026 |
| 9 | Vanguard Explorer Inv | 1.04% | 951K | $130.3M | +126,318 (+15.3%) | June 30, 2026 |
| 10 | iShares US Aerospace & Defense ETF | 0.94% | 862K | $118.1M | −1,474 (−0.2%) | September 30, 2026 |
| 11 | Franklin Growth A | 0.90% | 823K | $112.7M | — | August 31, 2026 |
| 12 | State Street® SPDR® S&P MIDCAP 400® ETF | 0.73% | 670K | $91.8M | −7,550 (−1.1%) | August 31, 2026 |
| 13 | JPMorgan Mid Cap Growth I | 0.69% | 632K | $86.6M | −11,730 (−1.8%) | August 31, 2026 |
| 14 | T. Rowe Price Mid-Cap Growth | 0.68% | 623K | $85.4M | −270 (−0.0%) | August 31, 2026 |
| 15 | JPMorgan Growth Advantage A | 0.68% | 620K | $84.9M | −9,047 (−1.4%) | August 31, 2026 |
| 16 | iShares S&P Mid-Cap 400 Growth ETF | 0.58% | 529K | $72.5M | −564 (−0.1%) | September 30, 2026 |
| 17 | Vanguard Dividend Appreciation ETF | 0.57% | 519K | $71.1M | +241 (+0.0%) | August 31, 2026 |
| 18 | American Funds New Economy A | 0.56% | 510K | $69.9M | +43,144 (+9.2%) | June 30, 2026 |
| 19 | iShares Russell Mid-Cap Growth ETF | 0.53% | 488K | $66.9M | −522 (−0.1%) | September 30, 2026 |
| 20 | State Street SPDR Port S&P 400 Md CpETF | 0.53% | 484K | $66.4M | −680 (−0.1%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
BWXT insider transactions
latest 12| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-19 | Ro Khanna | Buy | $210.02 | — | — |
| 2026-03-02 | Kevin James Gorman | Sell | $214.71 | 1,344 | $288,570 |
| 2026-02-25 | Gerhard F Burbach | Sell | $208.61 | 1,983 | $413,674 |
| 2026-02-12 | Rex D Geveden | Sell | $203.26 | 10,000 | $2.0M |
| 2025-11-12 | Rex D Geveden | Sell | $197.90 | 10,000 | $2.0M |
| 2025-10-31 | Lisa C. McClain | Sell | $213.64 | — | — |
| 2025-10-30 | Lisa C. McClain | Buy | $213.64 | — | — |
| 2025-10-30 | Lisa C. McClain | Sell | $213.64 | — | — |
| 2025-08-11 | Leland D Melvin | Sell | $178.26 | 600 | $106,956 |
| 2025-08-11 | Ronald Owen Whitford Jr | Sell | $177.43 | 2,092 | $371,184 |
| 2025-08-06 | Omar Fathi Meguid | Sell | $179.84 | 2,261 | $406,618 |
| 2025-08-06 | Rex D Geveden | Sell | $179.00 | 25,000 | $4.5M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
BWXT shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns BWXT
Institutional investors own 94.7% of BWX Technologies's shares and insiders 0.36%. The largest holder is BlackRock Inc with 13.23% of the shares (12.1M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 8 reduced their stake in the latest filings. Short interest is 4.52% of the float, or 2.85 days of average trading volume. The share count fell 14.0% since 2014.
Related: BWXT analyst forecast, BWXT key metrics, BWXT dividend history. See the BWXT stock overview for the latest quote and news.
BWXT ownership FAQ
Who owns the most BWX Technologies stock?
The largest shareholders of BWX Technologies are BlackRock Inc (13.23%), Vanguard Portfolio Management, LLC (5.19%), Vanguard Capital Management, LLC (4.52%), State Street Corp (4.15%), JPMorgan Chase & Co (2.90%).
What percentage of BWX Technologies is owned by institutions?
Institutions hold 94.7% of BWX Technologies's shares outstanding; insiders hold 0.36%.
Which funds own BWX Technologies?
The largest fund holders of BWX Technologies are iShares Core S&P Mid-Cap ETF (3.56%), Vanguard MStar Total Stk Mkt Idx Invest (3.18%), Vanguard Small Cap Index (2.30%), First Trust RBA Amer Indl RenaisTM ETF (2.02%), VanEck Uranium & Nuclear ETF (1.75%).
What is BWX Technologies's short interest?
3.3M shares of BWX Technologies were sold short, 4.52% of the float; at the average daily volume it would take 2.85 days to cover.
Are insiders buying or selling BWX Technologies?
Of the latest 12 reported insider transactions in BWX Technologies (since August 6, 2025), 2 were purchases and 10 were sales.
How many shares of BWX Technologies are outstanding?
BWX Technologies has 91.6M shares outstanding, of which 91.2M are in the public float.