BWXT Institutional Ownership & Shareholders
BWX TECHNOLOGIES INC (BWXT) is currently held by 812 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $16.14B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of BWXT tracked by InsiderSet, reporting ownership valued at approximately $2.36B in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $1.58B, representing an estimated loss of -32.85% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 44% of the total disclosed BWXT value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in BWX TECHNOLOGIES INC (BWXT).
This page ranks the largest institutional BWXT shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
812
Total Reported Value
$16.14B
Largest Holder
Blackrock, Inc.
Largest Position
$2.36B
Insider Transactions (90d)
6
Latest Filing Quarter
Q2 2026
New Institutional Positions
57
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.04% | 12,123,786 | $2,359,894,949 | $1,584,578,830 | -$775,316,119 | -32.85% | |
| Vanguard Portfolio Management Llc | 0.04% | 4,755,063 | $925,573,013 | $621,486,734 | -$304,086,279 | -32.85% | |
| Vanguard Capital Management Llc | 0.02% | 4,140,330 | $805,915,235 | $541,141,131 | -$264,774,104 | -32.85% | |
| State Street Corp | 0.02% | 3,799,375 | $739,548,344 | $496,578,312 | -$242,970,032 | -32.85% | |
| Jpmorgan Chase & Co | 0.03% | 2,654,239 | $503,121,280 | $346,909,037 | -$156,212,243 | -31.05% | |
| First Trust Advisors Lp | 0.24% | 2,075,550 | $404,005,408 | $271,274,385 | -$132,731,023 | -32.85% | |
| Alkeon Capital Management Llc | 1.52% | 2,022,748 | $393,727,902 | $264,373,164 | -$129,354,738 | -32.85% | |
| Geode Capital Management, Llc | 0.02% | 1,860,802 | $362,317,132 | $243,206,821 | -$119,110,311 | -32.87% | |
| Invesco Ltd. | 0.03% | 1,835,328 | $357,246,620 | $239,877,370 | -$117,369,250 | -32.85% | |
| Select Equity Group, L.P. | 1.76% | 1,704,008 | $331,685,157 | $222,713,846 | -$108,971,311 | -32.85% | |
| Van Eck Associates Corp | 0.18% | 1,556,784 | $303,028,006 | $203,471,669 | -$99,556,337 | -32.85% | |
| Blair William & Co/Il | 0.79% | 1,556,417 | $302,956,557 | $203,423,702 | -$99,532,855 | -32.85% | |
| Banque Cantonale Vaudoise | 0.04% | 1,346 | $262,000,000 | $175,922 | -$261,824,078 | -99.93% | |
| Massachusetts Financial Services Co | 0.08% | 1,275,651 | $248,279,510 | $166,727,586 | -$81,551,924 | -32.85% | |
| Snyder Capital Management L P | 4.16% | 1,237,512 | $240,881,711 | $161,742,818 | -$79,138,893 | -32.85% | |
| T. Rowe Price Investment Management, Inc. | 0.15% | 1,179,257 | $229,543,000 | $154,128,890 | -$75,414,110 | -32.85% | |
| Bank Of New York Mellon Corp | 0.04% | 1,143,523 | $222,586,767 | $149,458,456 | -$73,128,311 | -32.85% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.25% | 1,062,547 | $206,824,774 | $138,874,893 | -$67,949,881 | -32.85% | |
| Artisan Partners Limited Partnership | 0.34% | 1,059,496 | $206,230,875 | $138,476,127 | -$67,754,748 | -32.85% | |
| Bank Of America Corp | 0.01% | 1,037,863 | $202,019,948 | $135,648,694 | -$66,371,254 | -32.85% | |
| William Blair Investment Management, Llc | 0.55% | 941,233 | $183,211,003 | $123,019,153 | -$60,191,850 | -32.85% | |
| Price T Rowe Associates Inc | 0.02% | 844,526 | $164,388,000 | $110,379,548 | -$54,008,452 | -32.85% | |
| Morgan Stanley | 0.01% | 793,339 | $154,424,084 | $103,689,407 | -$50,734,677 | -32.85% | |
| Fmr Llc | 0.01% | 759,071 | $147,753,185 | $99,210,580 | -$48,542,605 | -32.85% | |
| Clearbridge Investments, Llc | 0.12% | 750,098 | $146,006,583 | $98,037,809 | -$47,968,774 | -32.85% | |
| Northern Trust Corp | 0.02% | 748,522 | $145,699,808 | $97,831,825 | -$47,867,983 | -32.85% | |
| Mawer Investment Management Ltd. | 0.91% | 689,750 | $134,259,838 | $90,150,325 | -$44,109,513 | -32.85% | |
| Charles Schwab Investment Management Inc | 0.02% | 682,918 | $132,929,894 | $89,257,383 | -$43,672,511 | -32.85% | |
| Dimensional Fund Advisors Lp | 0.02% | 642,636 | $125,089,112 | $83,992,525 | -$41,096,587 | -32.85% | |
| Capital World Investors | 0.01% | 640,319 | $124,638,093 | $83,689,693 | -$40,948,400 | -32.85% | |
| Federated Hermes, Inc. | 0.18% | 637,471 | $124,083,730 | $83,317,460 | -$40,766,270 | -32.85% | |
| Stephens Investment Management Group Llc | 1.25% | 600,434 | $116,874,478 | $78,476,724 | -$38,397,754 | -32.85% | |
| Alliancebernstein L.P. | 0.04% | 565,627 | $115,665,065 | $73,927,449 | -$41,737,616 | -36.08% | |
| Vanguard Fiduciary Trust Co | 0.03% | 591,033 | $115,044,573 | $77,248,013 | -$37,796,560 | -32.85% | |
| Raymond James Financial Inc | 0.03% | 570,565 | $111,060,462 | $74,572,846 | -$36,487,617 | -32.85% | |
| ARK Invest | Cathie Wood | 0.69% | 549,881 | $107,034,337 | $71,869,447 | -$35,164,890 | -32.85% |
| Chevy Chase Trust Holdings, Llc | 0.27% | 541,081 | $105,321,506 | $70,719,287 | -$34,602,219 | -32.85% | |
| Goldman Sachs Group Inc | 0.01% | 512,319 | $99,722,828 | $66,960,093 | -$32,762,735 | -32.85% | |
| Ubs Group Ag | 0.01% | 468,172 | $91,129,679 | $61,190,080 | -$29,939,599 | -32.85% | |
| Bessemer Group Inc | 0.12% | 438,361 | $85,326,000 | $57,293,783 | -$28,032,217 | -32.85% | |
| Fiera Capital Corp | 0.29% | 413,978 | $80,580,818 | $54,106,925 | -$26,473,893 | -32.85% | |
| Royal Bank Of Canada | 0.01% | 411,357 | $80,071,000 | $53,764,360 | -$26,306,640 | -32.85% | |
| Citigroup Inc | 0.03% | 377,231 | $73,428,015 | $49,304,092 | -$24,123,923 | -32.85% | |
| Thrivent Financial For Lutherans | 0.12% | 376,408 | $73,265,000 | $49,196,526 | -$24,068,474 | -32.85% | |
| Schroder Investment Management Group | 0.05% | 375,524 | $71,067,917 | $49,080,987 | -$21,986,930 | -30.94% | |
| Wells Fargo & Company/Mn | 0.01% | 323,600 | $62,988,596 | $42,294,520 | -$20,694,076 | -32.85% | |
| Orbis Allan Gray Ltd | 0.20% | 297,329 | $57,875,090 | $38,860,900 | -$19,014,190 | -32.85% | |
| New York State Common Retirement Fund | 0.07% | 293,881 | $57,203,937 | $38,410,247 | -$18,793,690 | -32.85% | |
| Nomura Asset Management International Inc. | 0.08% | 290,295 | $56,506,000 | $37,941,557 | -$18,564,444 | -32.85% | |
| Stifel Financial Corp | 0.05% | 282,992 | $55,087,249 | $36,987,054 | -$18,100,195 | -32.86% |
Frequently asked questions about BWXT
Who are the largest institutional holders of BWXT?
The largest institutional holders of BWXT reported in the latest SEC Form 13F filings include Blackrock, Inc., Vanguard Portfolio Management Llc, Vanguard Capital Management Llc, State Street Corp, and Jpmorgan Chase & Co. InsiderSet ranks institutional holders by their latest reported BWXT position.
What is BWXT institutional ownership?
This page tracks BWXT positions reported by institutional investment managers through SEC Form 13F. BWX TECHNOLOGIES INC (BWXT) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own BWXT?
InsiderSet currently tracks 812 institutional managers reporting BWXT holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of BWXT shareholders.
How much BWXT stock do institutions own?
Institutional investment managers disclosed approximately $16.14B in BWXT holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was BWXT institutional ownership last updated?
The latest BWXT institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional BWXT holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its BWXT position after the reporting date.
Are institutions buying or selling BWXT?
Institutional buying and selling can be analyzed by comparing BWXT positions across consecutive 13F reporting periods. InsiderSet's BWXT Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View BWXT ownership changes.
How has BWXT institutional ownership changed over time?
InsiderSet tracks BWXT institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.