$NPO

$283.04 +$1.19 (0.42%) Close

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

Ownership

13F as of Q2 2026 · 21.2M shares outstanding

Who owns NPO?

By type of holder

Institutions 99.6% Insiders 0.4% Everyone else 0.0%

Concentration Top 10 holders own 52.1%

BlackRock, Inc. 15.9% · Vanguard Portfolio Management LLC 6.6%

Institutional ownership

99.6%

+0.1 pts vs last qtr

Institutional holders

406

+50 vs last qtr

Net shares bought

+20.7K

by institutions in Q2 2026

New / sold out

84 / 34

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Westfield Capital Management Co LP NEW +286.6K
BlackRock, Inc. +215.3K

Biggest sellers in Q2 2026

Wasatch Advisors LP −460.3K
Neuberger Berman Group LLC −245.6K

Who is planning to sell?

Notices of proposed sale, last 12 months

$3.17M

5 notices from 5 people

Shares covered

11.9K

0.06% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Brueck Felix M. Director $1.61M
McLean Robert Savage Officer $555K

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

−1.9%

−0.21% a year

Each share's claim on the business

+1.9%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$112M vs $80.1M

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+ years72% 3–5 years12% 1–3 years9% Under 1 year6%

Quarterly turnover

9.4%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting NPO on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	3.4M	15.89%	+215.3K (+6.8%)	≤2021	0.0%
Shares held by quarter Peak holding3.4M (Q2'26) Change over 8 quarters+92.0K Share of the company15.890% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	1.4M	6.62%	+71.1K (+5.3%)	≤2021	0.0%
Shares held by quarter Peak holding1.4M (Q2'26) Change over 8 quarters+1.4M Share of the company6.620% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

3.4M

% of company

15.89%

Change vs last qtr

+215.3K (+6.8%)

Held since

≤2021

Vanguard Portfolio Management LLC

1.4M

% of company

6.62%

Change vs last qtr

+71.1K (+5.3%)

Held since

≤2021

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting NPO on Form N-PORT; together they hold 64.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$480M	1.3M	6.01%	0.43%	June 30, 2026
SW SMALLCAP World Fund Inc SMALLCAP World Fund Inc	$463M	1.2M	5.80%	0.49%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$480M

% of company

6.01%

% of the fund

0.43%

As of

June 30, 2026

SMALLCAP World Fund Inc

Position value

$463M

% of company

5.80%

% of the fund

0.49%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Enpro 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
VE Vaillancourt Eric A. Insider	54.3K	0.26%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.260% Vaillancourt Eric A.'s insider activity →
MR McLean Robert Savage Insider	29.9K	0.14%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.140% McLean Robert Savage's insider activity →

Vaillancourt Eric A.

Insider

54.3K

% of company

0.26%

Change vs last qtr

—

Held since

—

McLean Robert Savage

Insider

29.9K

% of company

0.14%

Change vs last qtr

—

Held since

—

12 more holders behind a free account

See every insider and 5%+ holder of Enpro Inc..

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