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MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in BWXT — BWX Technologies, Inc.

CIK 912938 Boston, MA

Position in BWXT

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$248,305,464
-$14,721,226 QoQ
Shares Held
1,275,651
-0.8% QoQ
Ownership
1.39%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#14
of 841 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority Sole 78% Shared 16% None 6%

Common Shares in BWXT Over Time

Shares Held

Position Value (USD)

Position in Aerospace & Defense

Industrials · as of Jun 30, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $11,912,685,834 across 29 Aerospace & Defense names. BWXT ranks #11 (2.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in BWXT

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5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $248,305,464 1,275,651
2026-03-31 $263,026,690 1,286,257
2025-12-31 $237,782,899 1,375,740
2025-09-30 $213,690,912 1,159,033
2025-06-30 $132,497,887 919,741