Who owns HLXWhat HLX owns — n/a

Who owns HORNBECK OFFSHORE SERVICES, INC.?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of HLX from SEC Form 13F filings across 285 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-06-30 reporting period, 285 institutions disclosed 135.9M shares of HORNBECK OFFSHORE SERVICES, INC. worth $1.19B — about 92.3% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.

285

13F holders

$1.19B

value, 2026 filers

92.3%

of shares outstanding (135.9M sh)

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of HLX's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	BlackRock, Inc.	22.7M	$198.7M	0.0%	15.4%	+2.6%
2	DIMENSIONAL FUND ADVISORS LP	9.1M	$79.5M	0.0%	6.2%	+1.5%
3	STATE STREET CORP	7.2M	$62.7M	0.0%	4.9%	+6.9%
4	Invesco Ltd.	7.0M	$61.5M	0.0%	4.8%	+5.6%
5	VANGUARD PORTFOLIO MANAGEMENT LLC	6.4M	$56.1M	0.0%	4.4%	+2.9%
6	VANGUARD CAPITAL MANAGEMENT LLC	6.2M	$54.0M	0.0%	4.2%	+2.2%
7	AMERICAN CENTURY COMPANIES INC	5.4M	$47.6M	0.0%	3.7%	+4.8%
8	PRINCIPAL FINANCIAL GROUP INC	4.3M	$37.8M	0.0%	2.9%	-6.0%
9	GOLDMAN SACHS GROUP INC	3.7M	$32.0M	0.0%	2.5%	+75.5%
10	GEODE CAPITAL MANAGEMENT, LLC	3.6M	$31.1M	0.0%	2.4%	+5.9%
11	WELLINGTON MANAGEMENT GROUP LLP	3.4M	$29.8M	0.0%	2.3%	-13.3%
12	SYSTEMATIC FINANCIAL MANAGEMENT LP	3.2M	$27.9M	0.6%	2.2%	+7.8%
13	BNP PARIBAS ASSET MANAGEMENT Holding S.A.	3.0M	$26.3M	0.0%	2%	-0.6%
14	VAN ECK ASSOCIATES CORP	2.7M	$23.8M	0.0%	1.9%	-5.2%
15	Boston Partners	2.5M	$22.1M	0.0%	1.7%	-15.7%
16	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	2.5M	$21.7M	0.0%	1.7%	-4.2%
17	MORGAN STANLEY	2.1M	$18.4M	0.0%	1.4%	+5.5%
18	PRUDENTIAL FINANCIAL INC	2.1M	$18.3M	0.0%	1.4%	+549.1%
19	NORTHERN TRUST CORP	1.8M	$15.6M	0.0%	1.2%	+5.8%
20	PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO	1.7M	$15.1M	0.1%	1.2%	0.0%
21	Qube Research & Technologies Ltd	1.4M	$12.4M	0.0%	1%	+42.2%
22	PANAGORA ASSET MANAGEMENT INC	1.2M	$10.8M	0.0%	0.8%	-2.9%
23	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	1.1M	$10.0M	0.0%	0.8%	+97.1%
24	BRIDGEWAY CAPITAL MANAGEMENT, LLC	1.1M	$9.3M	0.2%	0.7%	+19.8%
25	TWO SIGMA INVESTMENTS, LP	1.0M	$9.0M	0.0%	0.7%	+235.8%

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.