Comparable stake leader
VANGUARD PORTFOLIO MANAGEMENT LLC
SEC ownership of BWX Technologies, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001486957.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- BWXT on NYSE
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
VANGUARD PORTFOLIO MANAGEMENT LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
VANGUARD PORTFOLIO MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001486957
- Issuer location
- Lynchburg, VA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of BWX Technologies, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD PORTFOLIO MANAGE...
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
30 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 5.4%
13D/G row: VANGUARD PORTFOLIO MANAGEMENT LLC
Showing 1-8 of 50 holder rows.
Quick read
VANGUARD PORTFOLIO MANAGEMENT LLC leads the comparable SEC ownership view at 5.4%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD PORTFOLIO MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 5
VANGUARD PORTFOLIO MANAGEMENT LLC
5.4%
VANGUARD CAPITAL MANAGEMENT LLC
5.2%
Barbara A. Niland
0.02%
BlackRock, Inc.
13%
STATE STREET CORP
4.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
5.4%
|
$1,003,176,409
4,905,748 shares
|
$0 | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.2%
|
$977,900,218
4,782,142 shares
|
$0 | 31 Mar 2026 |
| Barbara A. Niland |
3/4/5
Director
|
0.02%
|
$4,469,742
21,858 shares
|
— | 30 Apr 2026 |
| BlackRock, Inc. |
13F
Company
|
13%
|
$2,359,894,949
12,123,786 shares
|
— | 30 Jun 2026 |
| STATE STREET CORP |
13F
Company
|
4.1%
|
$739,548,344
3,799,375 shares
|
— | 30 Jun 2026 |
| JPMORGAN CHASE & CO |
13F
Company
|
2.9%
|
$503,121,280
2,654,239 shares
|
— | 30 Jun 2026 |
| FIRST TRUST ADVISORS LP |
13F
Company
|
2.3%
|
$404,005,408
2,075,550 shares
|
— | 30 Jun 2026 |
| ALKEON CAPITAL MANAGEMENT LLC |
13F
Company
|
2.2%
|
$393,727,902
2,022,748 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$8,992,705.
Buys
$0
Insiders: 0
Sells
$8,992,705
Insiders: 4
Net
-$8,992,705
Shares: -45,744
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 45,744
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 10,000 | $0 | $1,725,007 | -$1,725,007 |
| 3-6 | 0 | 12,417 | $0 | $2,553,882 | -$2,553,882 |
| 6-9 | 0 | 13,327 | $0 | $2,734,811 | -$2,734,811 |
| 9-12 | 0 | 10,000 | $0 | $1,979,005 | -$1,979,005 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 31 reporting-owner rows connected to BWX Technologies, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
31
Largest Forms 3/4/5 holder
Rex D. Geveden
Net 12M change
-$8,992,704
Latest report
04 Sep 2026
Recent insider transactions for BWX Technologies, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Gerhard F. Burbach | BWXT | Dividend Equivalent Rights | Award | 2.98% | 23.19 | 801 | 04 Sep 2026 | Direct | ||
| James M. Jaska | BWXT | Dividend Equivalent Rights | Award | 2.55% | 28.29 | 1,139 | 04 Sep 2026 | Direct | ||
| Daniel L. Jablonsky | BWXT | Dividend Equivalent Rights | Award | 104.8% | 1.52 | 3 | 04 Sep 2026 | Direct | ||
| Kenneth J. Krieg | BWXT | Dividend Equivalent Rights | Award | 2.49% | 36.14 | 1,487 | 04 Sep 2026 | Direct | ||
| Leland D. Melvin | BWXT | Dividend Equivalent Rights | Award | 6.76% | 15.43 | 244 | 04 Sep 2026 | Direct | ||
| Nicole Weyerhaeuser Piasecki | BWXT | Dividend Equivalent Rights | Award | 14.6% | 7.8 | 61 | 04 Sep 2026 | Direct | ||
| John M. Richardson | BWXT | Dividend Equivalent Rights | Award | 4.87% | 16.44 | 354 | 04 Sep 2026 | Direct | ||
| Jan Bertsch | BWXT | Dividend Equivalent Rights | Award | 1.87% | 41.93 | 2,284 | 04 Sep 2026 | Direct | ||
| Suzanne Maddux | BWXT | Employee Stock Option (right to buy) | Award | 1,257 | 1,257 | 01 Sep 2026 | Direct | |||
| Suzanne Maddux | BWXT | Restricted Stock Units | Award | 5,727 | 5,727 | 01 Sep 2026 | Direct | |||
| Joseph Kirwan Miller | BWXT | Common Stock | Tax liability | -17.7% | -1,523 | 7,098 | 01 Sep 2026 | Direct | ||
| Joseph Kirwan Miller | BWXT | Common Stock | Options Exercise | 64.5% | 3,379 | 8,621 | 01 Sep 2026 | Direct | ||
| Joseph Kirwan Miller | BWXT | Restricted Stock Units | Options Exercise | -100% | -3,379 | 0 | 01 Sep 2026 | Direct | ||
| Rex D. Geveden | BWXT | Common Stock | Sale | -4.94% | $1,725,007 | $172.50 | -10,000 | 192,491 | 12 Aug 2026 | Direct |
| Gonzalo Raul Cajade | BWXT | Common Stock | Tax liability | -24.7% | -124 | 378 | 01 Jul 2026 | Direct | ||
| Gonzalo Raul Cajade | BWXT | Common Stock | Options Exercise | 195.3% | 332 | 502 | 01 Jul 2026 | Direct | ||
| Gonzalo Raul Cajade | BWXT | Restricted Stock Units | Options Exercise | -33.3% | -332 | 664 | 01 Jul 2026 | Direct | ||
| Joseph Kirwan Miller | BWXT | Common Stock | Tax liability | -1.98% | -106 | 5,242 | 01 Jul 2026 | Direct | ||
| Joseph Kirwan Miller | BWXT | Common Stock | Options Exercise | 4.64% | 237 | 5,348 | 01 Jul 2026 | Direct | ||
| Joseph Kirwan Miller | BWXT | Restricted Stock Units | Options Exercise | -33.3% | -237 | 474 | 01 Jul 2026 | Direct | ||
| Jan Bertsch | BWXT | Dividend Equivalent Rights | Award | 1.61% | 35.47 | 2,242 | 05 Jun 2026 | Direct | ||
| Gerhard F. Burbach | BWXT | Dividend Equivalent Rights | Award | 2.59% | 19.62 | 778 | 05 Jun 2026 | Direct | ||
| James M. Jaska | BWXT | Dividend Equivalent Rights | Award | 2.2% | 23.95 | 1,110 | 05 Jun 2026 | Direct | ||
| Daniel L. Jablonsky | BWXT | Dividend Equivalent Rights | Award | 806.2% | 1.29 | 1 | 05 Jun 2026 | Direct | ||
| Kenneth J. Krieg | BWXT | Dividend Equivalent Rights | Award | 2.15% | 30.59 | 1,451 | 05 Jun 2026 | Direct | ||
| Leland D. Melvin | BWXT | Dividend Equivalent Rights | Award | 6.06% | 13.06 | 228 | 05 Jun 2026 | Direct | ||
| Nicole Weyerhaeuser Piasecki | BWXT | Dividend Equivalent Rights | Award | 14.1% | 6.6 | 53 | 05 Jun 2026 | Direct | ||
| John M. Richardson | BWXT | Dividend Equivalent Rights | Award | 4.29% | 13.91 | 338 | 05 Jun 2026 | Direct | ||
| Rex D. Geveden | BWXT | Common Stock | Sale | -4.71% | $2,048,124 | $204.81 | -10,000 | 202,491 | 12 May 2026 | Direct |
| Michael Thomas Fitzgerald | BWXT | Common Stock | Sale | -26% | $505,757 | $209.25 | -2,417 | 6,884 | 11 May 2026 | Direct |
| Michael Thomas Fitzgerald | BWXT | Common Stock | Options Exercise | 35.1% | 2,417 | 9,301 | 11 May 2026 | Direct | ||
| Michael Thomas Fitzgerald | BWXT | Employee Stock Option (right to buy) | Options Exercise | -76.1% | -2,417 | 760 | 11 May 2026 | Direct | ||
| Michael Thomas Fitzgerald | BWXT | Common Stock | Tax liability | -19% | -1,618 | 6,884 | 06 May 2026 | Direct | ||
| Michael Thomas Fitzgerald | BWXT | Common Stock | Options Exercise | 49.8% | 2,826 | 8,502 | 06 May 2026 | Direct | ||
| Michael Thomas Fitzgerald | BWXT | Employee Stock Option (right to buy) | Options Exercise | -100% | -2,826 | 0 | 06 May 2026 | Direct | ||
| Jan Bertsch | BWXT | Restricted Stock Units | Award | 762 | 762 | 30 Apr 2026 | Direct | |||
| Gerhard F. Burbach | BWXT | Restricted Stock Units | Award | 762 | 762 | 30 Apr 2026 | Direct | |||
| James M. Jaska | BWXT | Restricted Stock Units | Award | 762 | 762 | 30 Apr 2026 | Direct | |||
| Kenneth J. Krieg | BWXT | Common Stock | Options Exercise | 52% | 762 | 2,227 | 30 Apr 2026 | Direct | ||
| Kenneth J. Krieg | BWXT | Restricted Stock Units | Options Exercise | -100% | -762 | 0 | 30 Apr 2026 | Direct | ||
| Kenneth J. Krieg | BWXT | Restricted Stock Units | Award | 762 | 762 | 30 Apr 2026 | Direct | |||
| Leland D. Melvin | BWXT | Restricted Stock Units | Award | 762 | 762 | 30 Apr 2026 | Direct | |||
| Barbara A. Niland | BWXT | Common Stock | Options Exercise | 3.61% | 762 | 21,858 | 30 Apr 2026 | Direct | ||
| Barbara A. Niland | BWXT | Restricted Stock Units | Options Exercise | -100% | -762 | 0 | 30 Apr 2026 | Direct | ||
| Barbara A. Niland | BWXT | Restricted Stock Units | Award | 762 | 762 | 30 Apr 2026 | Direct | |||
| Nicole Weyerhaeuser Piasecki | BWXT | Restricted Stock Units | Award | 762 | 762 | 30 Apr 2026 | Direct | |||
| John M. Richardson | BWXT | Restricted Stock Units | Award | 762 | 762 | 30 Apr 2026 | Direct | |||
| Daniel L. Jablonsky | BWXT | Restricted Stock Units | Award | 762 | 762 | 30 Apr 2026 | Direct | |||
| Daniel L. Jablonsky | BWXT | Dividend Equivalent Rights | Award | 0.16 | 0 | 27 Mar 2026 | Direct | |||
| Jan Bertsch | BWXT | Dividend Equivalent Rights | Award | 1.45% | 31.5 | 2,207 | 27 Mar 2026 | Direct |
* marks a reported price that did not pass the local price check.