$BWXT

$134.07 +$2.87 (2.19%) Close

$BWXT Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 91.6M shares outstanding

Who owns BWXT?

By type of holder

Institutions 92.2% Insiders 0.4% Everyone else 7.5%

Concentration Top 10 holders own 40.6%

BlackRock, Inc. 13.2% · Vanguard Portfolio Management LLC 5.2%

Institutional ownership

92.2%

-0.7 pts vs last qtr

Institutional holders

845

+20 vs last qtr

Net shares bought

−650.0K

by institutions in Q2 2026

New / sold out

119 / 99

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Select Equity Group, L.P. +977.6K
First Trust Advisors LP +684.5K

Biggest sellers in Q2 2026

Invesco Ltd. −687.2K
Arrowstreet Capital, Limited Partnership SOLD OUT −491.4K

Who is planning to sell?

Notices of proposed sale, last 12 months

$7.27M

6 notices from 4 people

Shares covered

35.7K

0.04% of the company

Arranged in advance

83%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Geveden Rex D Officer 10b5-1 $6.06M
Fitzgerald Michael Thomas Officer $506K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−11.5%

−1.35% a year

Each share's claim on the business

+13.0%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$846M vs $168M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years67% 3–5 years9% 1–3 years16% Under 1 year8%

Quarterly turnover

8.2%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting BWXT on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	12.1M	13.23%	−363.7K (−2.9%)	≤2021	0.0%
Shares held by quarter Peak holding12.5M (Q1'26) Change over 8 quarters+2.9M Share of the company13.230% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	4.8M	5.19%	−136.2K (−2.8%)	≤2021	0.0%
Shares held by quarter Peak holding4.9M (Q1'26) Change over 8 quarters+4.8M Share of the company5.190% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

12.1M

% of company

13.23%

Change vs last qtr

−363.7K (−2.9%)

Held since

≤2021

Vanguard Portfolio Management LLC

4.8M

% of company

5.19%

Change vs last qtr

−136.2K (−2.8%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding BWX Technologies Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting BWXT on Form N-PORT; together they hold 49.7% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Mid-Cap ETF iShares Trust	$610M	3.1M	3.42%	0.49%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$566M	2.9M	3.17%	0.02%	June 30, 2026

iShares Core S&P Mid-Cap ETF

iShares Trust

Position value

$610M

% of company

3.42%

% of the fund

0.49%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$566M

% of company

3.17%

% of the fund

0.02%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding BWX Technologies Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
GR Geveden Rex D Insider	192.5K	0.21%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.210% Geveden Rex D's insider activity →
LR LeMasters Robb A. Insider	40.8K	0.04%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.040% LeMasters Robb A.'s insider activity →

Geveden Rex D

Insider

192.5K

% of company

0.21%

Change vs last qtr

—

Held since

—

LeMasters Robb A.

Insider

40.8K

% of company

0.04%

Change vs last qtr

—

Held since

—

15 more holders behind a free account

See every insider and 5%+ holder of BWX Technologies Inc.

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