Latest Period
Q1 2026
Security Snapshot
BWX Technologies, Inc. - Common Stock (BWXT) Institutional Ownership
CUSIP: 05605H100
13F Institutional Holders and Ownership History from Q2 2015 to Q1 2026
Institutions Reporting
819
Shares (Excl. Options)
85,068,580
Price
$204.49
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- Security type / class
- Equity / Common Stock
- Symbol
- BWXT on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 85,068,580
- Total 13F value
- $17,340,949,170
- Portfolio coverage rank
- 0.02%
- Share change
- +73,941
- Value change
- +$50,329,876
- Number of holders
- 819
- Shares outstanding
- 91,787,754
- SEC-reported price per share
- $215.20
- Insider filing price
- $215.20
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- BWXT - BWX Technologies, Inc. - Common Stock is tracked under CUSIP 05605H100.
- 819 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 757 to 819 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $14,598,954,984 to $17,340,949,170.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 819 institutions filings for Q1 2026.
Security key
05605H100
Latest holder period
Q1 2026
13F holders
819
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
BWXT full holder history
BWX Technologies, Inc. SEC filings
BWX Technologies, Inc. company facts
BWX Technologies, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 05605H100:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
BWXT
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.4% | $1,003,176,409 | 4,905,748 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $977,900,218 | 4,782,142 | Vanguard Capital Management | 31 Mar 2026 |
As of 31 Mar 2026, 819 institutional investors reported holding 85,068,580 shares of BWX Technologies, Inc. - Common Stock (BWXT). This represents 93% of the company’s total 91,787,754 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
58%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 14% | 12,487,506 | +2% | 0.04% | $2,553,570,105 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.3% | 4,891,237 | 0% | 0.05% | $1,000,209,054 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 4,094,093 | 0% | 0.02% | $837,201,078 |
| STATE STREET CORP | 4.1% | 3,748,950 | +4.2% | 0.03% | $766,622,786 |
| JPMORGAN CHASE & CO | 2.8% | 2,572,811 | +27% | 0.03% | $492,924,943 |
| Invesco Ltd. | 2.7% | 2,522,532 | -1.8% | 0.08% | $515,832,533 |
| FRANKLIN RESOURCES INC | 2.1% | 1,901,316 | -16% | 0.1% | $388,800,121 |
| GEODE CAPITAL MANAGEMENT, LLC | 2% | 1,793,566 | -3.5% | 0.02% | $366,879,396 |
| ALKEON CAPITAL MANAGEMENT LLC | 1.9% | 1,739,348 | +10% | 1.6% | $355,679,277 |
| VAN ECK ASSOCIATES CORP | 1.7% | 1,584,460 | +27% | 0.24% | $324,006,000 |
| BLAIR WILLIAM & CO/IL | 1.6% | 1,438,125 | -0.11% | 0.84% | $294,082,157 |
| FIRST TRUST ADVISORS LP | 1.5% | 1,391,079 | +12% | 0.2% | $284,461,613 |
| T. Rowe Price Investment Management, Inc. | 1.4% | 1,327,309 | -31% | 0.19% | $271,422,000 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1.4% | 1,288,028 | +46% | 0.36% | $263,388,846 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.4% | 1,286,257 | -6.5% | 0.09% | $263,212,593 |
| Bank of New York Mellon Corp | 1.4% | 1,283,997 | +8.4% | 0.05% | $262,564,516 |
| SNYDER CAPITAL MANAGEMENT L P | 1.2% | 1,102,116 | -17% | 4.4% | $225,371,701 |
| Artisan Partners Limited Partnership | 1.2% | 1,059,209 | -3.3% | 0.35% | $216,597,645 |
| BANK OF AMERICA CORP /DE/ | 1.1% | 1,005,621 | +5.5% | 0.02% | $205,639,455 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.1% | 981,782 | -11% | 0.66% | $200,764,601 |
| MORGAN STANLEY | 1.1% | 977,834 | -1.5% | 0.01% | $199,957,696 |
| Clearbridge Investments, LLC | 0.9% | 827,836 | -5.2% | 0.15% | $169,284,278 |
| FMR LLC | 0.89% | 820,494 | -5.8% | 0.01% | $167,782,914 |
| Mawer Investment Management Ltd. | 0.8% | 734,162 | -5% | 0.97% | $150,128,787 |
| Fiera Capital Corp | 0.79% | 729,269 | +0.85% | 0.51% | $149,128,218 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
44
Latest
Q1 2026
Rows shown
1-25 of 44
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 85,068,580 | $17,340,949,170 | +$50,329,876 | $204.49 | 819 |
| 2025 Q4 | 84,412,324 | $14,598,954,984 | -$312,414,969 | $172.84 | 757 |
| 2025 Q3 | 85,564,662 | $15,773,063,174 | -$304,006,468 | $184.37 | 702 |
| 2025 Q2 | 87,499,498 | $12,604,100,369 | +$661,996,126 | $144.06 | 649 |
| 2025 Q1 | 83,560,980 | $8,245,178,525 | -$66,058,593 | $98.65 | 600 |
| 2024 Q4 | 83,803,233 | $9,336,869,672 | +$43,209,096 | $111.39 | 593 |
| 2024 Q3 | 83,177,314 | $9,079,506,593 | -$115,668,357 | $108.70 | 543 |
| 2024 Q2 | 84,553,595 | $8,033,417,170 | +$3,556,945 | $95.00 | 493 |
| 2024 Q1 | 84,183,445 | $8,638,181,522 | -$191,074,616 | $102.62 | 475 |
| 2023 Q4 | 86,370,830 | $6,633,018,983 | -$235,965,040 | $76.73 | 425 |
| 2023 Q3 | 89,288,512 | $6,694,343,046 | -$245,468,566 | $74.98 | 385 |
| 2023 Q2 | 92,569,827 | $6,623,539,544 | +$307,732,775 | $71.57 | 372 |
| 2023 Q1 | 88,732,060 | $5,593,442,497 | -$6,363,702 | $63.04 | 344 |
| 2022 Q4 | 88,811,376 | $5,158,211,025 | -$90,072,947 | $58.08 | 343 |
| 2022 Q3 | 90,638,382 | $4,566,718,897 | -$216,015,484 | $50.37 | 301 |
| 2022 Q2 | 90,672,993 | $4,994,275,181 | +$117,491,508 | $55.09 | 280 |
| 2022 Q1 | 89,061,431 | $4,797,201,876 | +$6,056,084 | $53.86 | 282 |
| 2021 Q4 | 88,855,805 | $4,254,339,859 | -$57,688,511 | $47.88 | 272 |
| 2021 Q3 | 89,775,188 | $4,835,414,531 | -$86,864,448 | $53.86 | 259 |
| 2021 Q2 | 91,160,431 | $5,297,786,536 | -$87,449,740 | $58.12 | 276 |
| 2021 Q1 | 92,583,086 | $6,104,710,756 | -$819,741 | $65.94 | 272 |
| 2020 Q4 | 93,087,315 | $5,611,121,807 | +$27,701,936 | $60.28 | 274 |
| 2020 Q3 | 92,677,768 | $5,218,726,149 | -$23,981,720 | $56.31 | 275 |
| 2020 Q2 | 93,170,770 | $5,269,679,628 | -$179,156,455 | $56.64 | 291 |
| 2020 Q1 | 96,380,057 | $4,695,320,331 | -$166,569,709 | $48.71 | 269 |