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BWXT · BWX Technologies, Inc.

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$156.44 -5.82 (-3.59%) At close · Aug 20
Market Cap
$14.33B
Shares
91.62M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 847
Total Value: $17,062,451,381
Total Shares: 87,657,884

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 847 13F filers · Δ vs Mar 31, 2026
Top Holder
13.8%
Sep 2023 → Jun 2026 · range 10.5% – 14.2%
−0.4 pts
Top 5
31.3%
Sep 2023 → Jun 2026 · range 31.3% – 37.0%
−0.2 pts
Top 10
42.4%
Sep 2023 → Jun 2026 · range 42.4% – 52.6%
+0.0 pts
HHI
338
Sep 2023 → Jun 2026 · range 338 – 402
Broadly held−6

Quarterly Activity

vs Mar 31, 2026
New
116
Increased
316
Decreased
284
Sold Out
103
Unchanged
131
Holder count: +13
Institutional value: -5.2%
Shares held: -0.4%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 869
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1486957 CUSIP 05605H100 13F (30d) 707 filings 700 filers Visit website Investor relations