$HOS

$7.11 +$0.02 (0.28%) Live

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

Ownership

13F as of Q2 2026 · 147.4M shares outstanding

Who owns HOS?

By type of holder

Institutions 92.1% Insiders 7.9% Everyone else 0.0%

Concentration Top 10 holders own 125.6%

Asof Hos GP, LLC 41.9% · Assf IV Hos Aiv 2, L.P. 16.5%

Institutional ownership

92.1%

+3.2 pts vs last qtr

Institutional holders

284

+10 vs last qtr

Net shares bought

+4.8M

by institutions in Q2 2026

New / sold out

43 / 33

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Prudential Financial Inc +1.8M
Goldman Sachs Group Inc +1.6M

Biggest sellers in Q2 2026

Gate City Capital Management, LLC SOLD OUT −1.3M
Deutsche Bank Ag\ −1.3M

Who is planning to sell?

Notices of proposed sale, last 12 months

$36.5M

11 notices from 6 people

Shares covered

3.6M

2.42% 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

Kratz Owen E Officer $26.4M
Staffeldt Erik Former officer $6.28M

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

+33.0%

+3.22% a year

Each share's claim on the business

−24.8%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$41.9M vs $82.2M

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+ years78% 3–5 years5% 1–3 years4% Under 1 year13%

Quarterly turnover

9.8%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting HOS on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	22.7M	15.42%	+573.3K (+2.6%)	≤2021	0.0%
Shares held by quarter Peak holding23.6M (Q4'24) Change over 8 quarters−639.6K Share of the company15.420% BlackRock, Inc.'s full portfolio →
DF Dimensional Fund Advisors LP	9.1M	6.17%	+131.2K (+1.5%)	≤2021	0.0%
Shares held by quarter Peak holding10.9M (Q3'24) Change over 8 quarters−1.8M Share of the company6.170% Dimensional Fund Advisors LP's full portfolio →

BlackRock, Inc.

22.7M

% of company

15.42%

Change vs last qtr

+573.3K (+2.6%)

Held since

≤2021

Dimensional Fund Advisors LP

9.1M

% of company

6.17%

Change vs last qtr

+131.2K (+1.5%)

Held since

≤2021

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting HOS on Form N-PORT; together they hold 52.6% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$72.1M	8.3M	5.60%	0.06%	June 30, 2026
IS Invesco Small Cap Value Fund AIM Sector Funds (Invesco Sector Funds)	$50.8M	5.3M	3.62%	0.46%	July 31, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$72.1M

% of company

5.60%

% of the fund

0.06%

As of

June 30, 2026

Invesco Small Cap Value Fund

AIM Sector Funds (Invesco Sector Funds)

Position value

$50.8M

% of company

3.62%

% of the fund

0.46%

As of

July 31, 2026

23 more funds behind a free account

See every fund holding Hornbeck Offshore Services, 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
AH Asof Hos GP, LLC 5%+ holder 13D · 23.7%	61.7M	41.89%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company41.890% Disclosed stake13D · 23.7% View the 13D/G filing →
AI Assf IV Hos Aiv 2, L.P. 5%+ holder 13D · 10.0%	24.3M	16.49%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company16.490% Disclosed stake13D · 10.0% View the 13D/G filing →

Asof Hos GP, LLC

5%+ holder13D · 23.7%

61.7M

% of company

41.89%

Change vs last qtr

—

Held since

—

Assf IV Hos Aiv 2, L.P.

5%+ holder13D · 10.0%

24.3M

% of company

16.49%

Change vs last qtr

—

Held since

—

36 more holders behind a free account

See every insider and 5%+ holder of Hornbeck Offshore Services, Inc..

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