Hornbeck Offshore Services IHOS
13F holders, Q3 2025 (September 30)245holders −8
32new positions
39sold out
7famous investors
$6.56avg. 13F price*
At the end of Q3 2025, 245 institutions reported holding Hornbeck Offshore Services I (HOS) in their 13F filings, down 8 from Q2 2025. 32 opened new positions and 39 sold out. The largest holders were BlackRock, Inc. ($140.5M), Vanguard Group Inc. ($87.3M) and Dimensional Fund Advisors LP ($58.1M). 7 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Ken Fisher (0.0% of Fisher Asset Management's portfolio) and Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio).
- Company
- Hornbeck Offshore Services I
- Filed as
- HELIX ENERGY SOLUTIONS GRP I (Q3 2025)
- CUSIP
- 42330P107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 32 | $20.3M |
| Exits | 39 | $52.2M |
All 13F filers, Q2 2025 → Q3 2025: 13,104,993 shares bought and 17,777,533 shares sold, net −4,672,540 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 245 holders
| BlackRock, Inc. | 0.00% | Reduce -3.5% | 21,416,348 | $140.5M |
| Vanguard Group Inc. | 0.00% | Reduce -3.4% | 13,313,927 | $87.3M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -6.4% | 8,858,123 | $58.1M |
| State Street Corp. | 0.00% | Reduce -4.5% | 5,891,428 | $38.6M |
| American Century Companies Inc. | 0.02% | Add +4.5% | 5,399,153 | $35.4M |
| Principal Financial Group Inc. | 0.02% | Add +109.8% | 4,804,147 | $31.5M |
| Millennium Management | 0.02% | Add +893.7% | 4,025,701 | $26.4M |
| Geode Capital Management, LLC | 0.00% | Reduce -2.5% | 3,264,562 | $21.4M |
| Wellington Management Group LLP | 0.00% | Reduce -2.9% | 3,238,382 | $21.2M |
| Invesco Ltd. | 0.00% | Reduce -2.1% | 3,132,542 | $20.5M |
| Systematic Financial Management LP | 0.48% | Reduce -0.3% | 3,025,427 | $19.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +3.6% | 2,565,245 | $16.8M |
| Gate City Capital Management, LLC | 8.06% | Reduce -31.7% | 2,447,195 | $16.1M |
| Fisher Asset Management | 0.01% | Reduce -6.9% | 2,254,930 | $14.8M |
| Public Employees Retirement Association of Colorado | 0.05% | No change | 1,873,615 | $12.3M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.02% | Reduce -0.8% | 1,809,975 | $11.9M |
| Morgan Stanley | 0.00% | Reduce -15.3% | 1,703,261 | $11.2M |
| Northern Trust Corp. | 0.00% | Reduce -2.5% | 1,699,861 | $11.2M |
| Van Eck Associates Corp. | 0.01% | Reduce -2.7% | 1,696,293 | $11.1M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | No change | 1,650,000 | $10.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +14.5% | 1,310,327 | $8.6M |
| Panagora Asset Management Inc. | 0.03% | Add +15.8% | 1,299,661 | $8.5M |
| Tensile Capital Management LP | 1.06% | Add +18.3% | 1,290,959 | $8.5M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -29.1% | 1,243,823 | $8.2M |
| CenterBook Partners LP | 0.37% | Add +3.5% | 1,128,443 | $7.4M |
| UBS Group AG | 0.00% | Add +3.4% | 1,049,142 | $6.9M |
| Hotchkis & Wiley Capital Management LLC | 0.02% | New | 1,045,003 | $6.9M |
| Bridgeway Capital Management, LLC | 0.13% | Reduce -22.9% | 927,985 | $6.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.5% | 832,895 | $5.5M |
| Pacer Advisors, Inc. | 0.01% | Reduce -12.1% | 777,603 | $5.1M |
| Citadel Advisors | 0.00% | Add +394.0% | 738,796 | $4.8M |
| D. E. Shaw & Co. | 0.00% | Add +51.0% | 691,516 | $4.5M |
| Acuitas Investments, LLC | 2.87% | Add +63.9% | 681,610 | $4.5M |
| Voya Investment Management LLC | 0.00% | Add +12.4% | 663,931 | $4.4M |
| First Manhattan Co. Llc. | 0.01% | New | 600,000 | $3.9M |
| Empowered Funds, LLC | 0.04% | Reduce -8.6% | 597,579 | $3.9M |
| Kennedy Capital Management LLC | 0.08% | Add +18.1% | 558,238 | $3.7M |
| First Trust Advisors LP | 0.00% | Add +35.2% | 557,638 | $3.7M |
| CSM Advisors, LLC | 0.10% | Add +27.3% | 550,260 | $3.6M |
| Public Sector Pension Investment Board | 0.01% | Add +9.5% | 533,193 | $3.5M |
| First Eagle Investment Management, LLC | 0.01% | Add +45.3% | 529,358 | $3.5M |
| JPMorgan Chase & Co. | 0.00% | Reduce -2.4% | 492,079 | $3.2M |
| Voloridge Investment Management, LLC | 0.01% | New | 481,724 | $3.2M |
| FMR LLC | 0.00% | Add +10.0% | 459,560 | $3.0M |
| Bank of America Corp. | 0.00% | Add +12.7% | 428,639 | $2.8M |
| Rhumbline Advisers | 0.00% | Reduce -1.8% | 418,612 | $2.7M |
| Legal & General Group Plc | 0.00% | Add +0.3% | 409,024 | $2.7M |
| Assenagon Asset Management S.A. | 0.00% | Reduce -55.9% | 404,685 | $2.7M |
| Ameriprise Financial Inc. | 0.00% | Reduce -3.7% | 400,303 | $2.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -23.9% | 397,549 | $2.6M |
| Nuveen, LLC | 0.00% | Reduce -2.7% | 388,801 | $2.6M |
| Prudential Financial Inc. | 0.00% | Reduce -6.2% | 388,134 | $2.5M |
| AQR Capital Management | 0.00% | Reduce -39.0% | 374,573 | $2.5M |
| Russell Investments Group, Ltd. | 0.00% | Add +485.6% | 358,234 | $2.4M |
| State of Wisconsin Investment Board | 0.00% | Reduce -19.7% | 296,344 | $1.9M |
| Jane Street Group, LLC | 0.00% | Reduce -47.5% | 282,870 | $1.9M |
| Swiss National Bank | 0.00% | Add +1.4% | 279,000 | $1.8M |
| Renaissance Technologies | 0.00% | Add +1089.8% | 252,227 | $1.7M |
| CoreCommodity Management, LLC | 0.30% | Add +1.9% | 248,944 | $1.6M |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 238,188 | $1.6M |
| Barclays PLC | 0.00% | Reduce -22.9% | 242,235 | $1.6M |
| Victory Capital Management Inc. | 0.00% | Reduce -19.8% | 236,607 | $1.6M |
| Deutsche Bank AG | 0.00% | Add +5.6% | 221,050 | $1.5M |
| Gsa Capital Partners LLP | 0.12% | Reduce -11.8% | 217,668 | $1.4M |
| Guinness Asset Management LTD | 0.02% | Reduce -3.5% | 209,769 | $1.4M |
| Nisa Investment Advisors, LLC | 0.01% | Add +0.0% | 201,980 | $1.3M |
| Glenorchy Capital Ltd | 0.92% | Reduce -4.0% | 193,712 | $1.3M |
| BNP Paribas Financial Markets | 0.00% | Reduce -37.6% | 190,590 | $1.3M |
| ExodusPoint Capital Management, LP | 0.02% | New | 189,013 | $1.2M |
| Cresset Asset Management, LLC | 0.01% | Add +5.3% | 184,578 | $1.2M |
| Royce & Associates LP | 0.01% | Add +52.4% | 168,333 | $1.1M |
| Orion Porfolio Solutions, LLC | 0.01% | Add +0.6% | 167,609 | $1.1M |
| Intech Investment Management LLC | 0.01% | Add +1.6% | 162,722 | $1.1M |
| Squarepoint Ops LLC | 0.00% | Add +159.4% | 160,194 | $1.1M |
| Rice Hall James & Associates, LLC | 0.06% | Reduce -38.8% | 155,247 | $1.0M |
| Wedge Capital Management L L P | 0.02% | New | 153,902 | $1.0M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Add +5.8% | 153,023 | $1.0M |
| Alliancebernstein L.P. | 0.00% | Reduce -0.7% | 151,044 | $991K |
| New York State Teachers Retirement System | 0.00% | Reduce -8.6% | 149,063 | $978K |
| Dark Forest Capital Management LP | 0.03% | New | 137,634 | $903K |
| California State Teachers Retirement System | 0.00% | Add +0.0% | 133,419 | $875K |
| SummerHaven Investment Management, LLC | 0.49% | New | 126,996 | $833K |
| Nierenberg Investment Management Company, LLC | 0.45% | No change | 124,450 | $816K |
| Tudor Investment Corporation | 0.01% | New | 121,835 | $799K |
| Verition Fund Management LLC | 0.00% | Add +26.9% | 117,595 | $771K |
| Susquehanna International Group, LLP | 0.00% | Reduce -54.0% | 111,887 | $734K |
| Wells Fargo & Company | 0.00% | Add +15.4% | 104,319 | $684K |
| Raymond James Financial Inc. | 0.00% | Reduce -78.9% | 103,065 | $676K |
| Citigroup Inc. | 0.00% | Reduce -40.5% | 102,802 | $674K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -5.8% | 98,618 | $647K |
| T. Rowe Price Associates Inc. | 0.00% | Add +6.6% | 89,638 | $589K |
| MetLife Investment Management, LLC | 0.00% | Reduce -3.8% | 82,074 | $538K |
| Illinois Municipal Retirement Fund | 0.01% | Add +16.8% | 79,151 | $519K |
| Comerica Bank | 0.00% | Add +62.3% | 78,605 | $516K |
| XTX Topco Ltd | 0.03% | Add +499.3% | 77,030 | $505K |
| State of Alaska, Department of Revenue | 0.01% | Reduce -12.5% | 74,286 | $487K |
| Farther Finance Advisors, LLC | 0.01% | Add +2294.7% | 73,996 | $485K |
| Brevan Howard Capital Management LP | 0.01% | Add +12.4% | 72,867 | $478K |
| Fulcrum Asset Management LLP | 0.12% | Reduce -59.0% | 64,595 | $424K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 63,997 | $420K |
"% of holder's portfolio" is HOS's weight in each manager's 13F, not the share of Hornbeck Offshore Services I the manager owns.