$NGS

$32.45 +$0.00 (0.0%) After hours

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

Ownership

13F as of Q2 2026 · 12.9M shares outstanding

Who owns NGS?

By type of holder

Institutions 85.1% Insiders 14.9% Everyone else 0.0%

Concentration Top 10 holders own 58.8%

Jacobs Justin 14.5% · BlackRock, Inc. 7.5%

Institutional ownership

85.1%

+3.3 pts vs last qtr

Institutional holders

158

+9 vs last qtr

Net shares bought

+420.6K

by institutions in Q2 2026

New / sold out

25 / 16

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +171.8K
State Street Corp +104.2K

Biggest sellers in Q2 2026

Jane Street Group, LLC SOLD OUT −79.4K
Cannell Capital LLC −69.3K

Who is planning to sell?

Notices of proposed sale, last 12 months

$6.87M

11 notices from 1 person

Shares covered

200.0K

1.55% of the company

Arranged in advance

72%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Taylor Stephen Charles Director $6.87M

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

$15M vs $23.1M

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+ years51% 3–5 years11% 1–3 years20% Under 1 year18%

Quarterly turnover

9.8%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting NGS on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	961.6K	7.46%	+171.8K (+21.8%)	≤2021	0.0%
Shares held by quarter Peak holding961.6K (Q2'26) Change over 8 quarters+114.5K Share of the company7.460% BlackRock, Inc.'s full portfolio →
DF Dimensional Fund Advisors LP	850.1K	6.59%	+6.3K (+0.7%)	≤2021	0.0%
Shares held by quarter Peak holding918.7K (Q3'24) Change over 8 quarters−68.7K Share of the company6.590% Dimensional Fund Advisors LP's full portfolio →

BlackRock, Inc.

961.6K

% of company

7.46%

Change vs last qtr

+171.8K (+21.8%)

Held since

≤2021

Dimensional Fund Advisors LP

850.1K

% of company

6.59%

Change vs last qtr

+6.3K (+0.7%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Natural Gas Services Group, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting NGS on Form N-PORT; together they hold 40.2% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
AV Aegis Value Fund Aegis Funds	$24.8M	574.3K	4.45%	2.19%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$16.2M	375.4K	2.91%	0.00%	June 30, 2026

Aegis Value Fund

Aegis Funds

Position value

$24.8M

% of company

4.45%

% of the fund

2.19%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$16.2M

% of company

2.91%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Natural Gas Services Group, 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
JJ Jacobs Justin Insider	1.9M	14.50%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company14.500% Jacobs Justin's insider activity →
HP Hoak Public Equities, LP 5%+ holder 13D · 4.6%	575.0K	4.46%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company4.460% Disclosed stake13D · 4.6% View the 13D/G filing →

Jacobs Justin

Insider

1.9M

% of company

14.50%

Change vs last qtr

—

Held since

—

Hoak Public Equities, LP

5%+ holder13D · 4.6%

575.0K

% of company

4.46%

Change vs last qtr

—

Held since

—

13 more holders behind a free account

See every insider and 5%+ holder of Natural Gas Services Group, Inc..

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