# BWX TECHNOLOGIES INC COM

BWX TECHNOLOGIES INC COM is a security (CUSIP 05605H100) tracked across SEC portfolio filings. 868 institutional managers reported $15.9B on Form 13F as of 2026-06-30; 75 registered fund positions totaling $2.1B via N-PORT as of 2026-05-31.

## Summary

- Issuer: BWX TECHNOLOGIES INC
- Class: COM
- CUSIP: 05605H100
- Asset category: EC
- 13F holders: 868
- 13F value: $15.9B
- 13F period: 2026-06-30
- N-PORT fund positions: 75
- N-PORT value: $2.1B
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 868 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $2.6B | 12,487,506 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $1.6B | 9,013,925 |
| STATE STREET CORP | BOSTON, MA | $766.6M | 3,748,950 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $492.9M | 2,572,811 |
| FRANKLIN RESOURCES INC | San Mateo, CA | $388.8M | 1,901,316 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $366.9M | 1,793,566 |
| [ALKEON CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/118059) | New York, NY | $355.7M | 1,739,348 |
| [BLAIR WILLIAM & CO/IL](https://search.stillhousedata.com/firm/1252) | Chicago, IL | $294.1M | 1,438,125 |
| FIRST TRUST ADVISORS LP | Wheaton, IL | $284.5M | 1,391,079 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | CENTRAL, K3 | $263.4M | 1,288,028 |
| [MASSACHUSETTS FINANCIAL SERVICES CO /MA/](https://search.stillhousedata.com/firm/110045) | Boston, MA | $248.3M | 1,275,651 |
| TORONTO DOMINION BANK | Toronto, Ontario, A6 | $244.0M | 193,205 |
| [SNYDER CAPITAL MANAGEMENT L P](https://search.stillhousedata.com/firm/108518) | San Francisco, CA | $225.4M | 1,102,116 |
| Bank of New York Mellon Corp | NEW YORK, NY | $222.6M | 1,143,523 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $221.3M | 5,868 |

## Top fund holders (N-PORT)

_Showing 15 of 75 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $563.7M | 232.75% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $208.7M | 25.60% |
| ACAP Strategic Fund | ACAP Strategic Fund | $175.8M | 169.84% |
| [JPMorgan Growth Advantage Fund](https://search.stillhousedata.com/fund/S000004474) | J.P. Morgan Mutual Fund Investment Trust | $168.5M | 83.50% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $166.4M | 76.43% |
| [T. Rowe Price Mid-Cap Growth Fund, Inc.](https://search.stillhousedata.com/fund/S000002102) | T. ROWE PRICE MID-CAP GROWTH FUND, INC. | $127.6M | 56.65% |
| [New Economy Fund](https://search.stillhousedata.com/fund/S000009598) | New Economy Fund | $99.9M | 19.36% |
| Advantage Advisers Xanthus Fund, L.L.C. | Advantage Advisers Xanthus Fund, L.L.C. | $99.7M | 336.55% |
| [VANGUARD STRATEGIC EQUITY FUND](https://search.stillhousedata.com/fund/S000002593) | VANGUARD HORIZON FUNDS | $66.6M | 65.88% |
| [ARK Innovation ETF](https://search.stillhousedata.com/fund/S000042977) | ARK ETF Trust | $65.0M | 100.31% |
| [SMALLCAP World Fund Inc](https://search.stillhousedata.com/fund/S000009599) | SMALLCAP World Fund Inc | $51.3M | 6.33% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $44.4M | 34.79% |
| [AB DISCOVERY GROWTH FUND, INC.](https://search.stillhousedata.com/fund/S000010117) | AB DISCOVERY GROWTH FUND, INC. | $33.9M | 125.90% |
| [PGIM Jennison Mid-Cap Growth Fund](https://search.stillhousedata.com/fund/S000004657) | Prudential Jennison Mid-Cap Growth Fund, Inc. | $22.5M | 125.07% |
| [Meridian Contrarian Fund](https://search.stillhousedata.com/fund/S000001463) | Meridian Fund Inc | $22.3M | 378.74% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/05605H100.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.