Hornbeck Offshore Services IHOS
13F holders, Q2 2026 (June 30)285holders +11
40new positions
28sold out
7famous investors
$8.74avg. 13F price*
At the end of Q2 2026, 285 institutions reported holding Hornbeck Offshore Services I (HOS) in their 13F filings, up 11 from Q1 2026. 40 opened new positions and 28 sold out. The largest holders were BlackRock, Inc. ($198.7M), Dimensional Fund Advisors LP ($79.5M) and State Street Corp. ($62.7M). 7 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Hornbeck Offshore Services I
- Filed as
- HELIX ENERGY SOLUTIONS GRP I (Q2 2026)
- CUSIP
- 42330P107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 40 | $26.8M |
| Exits | 28 | $22.8M |
All 13F filers, Q1 2026 → Q2 2026: 14,447,259 shares bought and 9,328,122 shares sold, net +5,119,137 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 285 holders
| BlackRock, Inc. | 0.00% | Add +2.6% | 22,731,079 | $198.7M |
| Dimensional Fund Advisors LP | 0.01% | Add +1.5% | 9,091,008 | $79.5M |
| State Street Corp. | 0.00% | Add +7.0% | 7,175,792 | $62.7M |
| Invesco Ltd. | 0.00% | Add +5.6% | 7,035,334 | $61.5M |
| Vanguard Portfolio Management LLC | 0.00% | Add +2.9% | 6,416,761 | $56.1M |
| Vanguard Capital Management LLC | 0.00% | Add +2.2% | 6,178,407 | $54.0M |
| American Century Companies Inc. | 0.02% | Add +4.8% | 5,448,574 | $47.6M |
| Principal Financial Group Inc. | 0.02% | Reduce -6.0% | 4,319,229 | $37.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +75.5% | 3,666,005 | $32.0M |
| Geode Capital Management, LLC | 0.00% | Add +5.9% | 3,556,137 | $31.1M |
| Wellington Management Group LLP | 0.01% | Reduce -13.3% | 3,408,554 | $29.8M |
| Systematic Financial Management LP | 0.56% | Add +7.8% | 3,188,798 | $27.9M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.03% | Reduce -0.6% | 3,005,018 | $26.3M |
| Van Eck Associates Corp. | 0.01% | Reduce -5.2% | 2,725,573 | $23.8M |
| Boston Partners | 0.02% | Reduce -15.7% | 2,486,953 | $22.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -4.3% | 2,483,807 | $21.7M |
| Morgan Stanley | 0.00% | Add +5.5% | 2,100,464 | $18.4M |
| Prudential Financial Inc. | 0.02% | Add +549.1% | 2,088,884 | $18.3M |
| Northern Trust Corp. | 0.00% | Add +5.8% | 1,783,081 | $15.6M |
| Public Employees Retirement Association of Colorado | 0.05% | No change | 1,730,815 | $15.1M |
| Qube Research & Technologies Ltd | 0.01% | Add +42.2% | 1,413,717 | $12.4M |
| Panagora Asset Management Inc. | 0.03% | Reduce -2.9% | 1,237,686 | $10.8M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +97.1% | 1,139,215 | $10.0M |
| Bridgeway Capital Management, LLC | 0.16% | Add +19.8% | 1,058,726 | $9.3M |
| Two Sigma Investments, LP | 0.01% | Add +235.8% | 1,035,449 | $9.0M |
| Hotchkis & Wiley Capital Management LLC | 0.03% | Add +12.5% | 1,005,593 | $8.8M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +3.2% | 930,636 | $8.1M |
| Renaissance Technologies | 0.01% | Reduce -6.7% | 902,127 | $7.9M |
| Hillsdale Investment Management Inc. | 0.18% | New | 899,000 | $7.9M |
| Jupiter Topco LLC | 0.00% | — | 875,202 | $7.6M |
| Bank of New York Mellon Corp | 0.00% | Add +2.7% | 843,043 | $7.4M |
| Tudor Investment Corporation | 0.02% | Add +167.6% | 670,247 | $5.9M |
| Empowered Funds, LLC | 0.03% | Add +19.2% | 659,820 | $5.8M |
| CSM Advisors, LLC | 0.11% | Add +71.6% | 615,065 | $5.4M |
| Pacer Advisors, Inc. | 0.01% | Add +14.1% | 611,190 | $5.3M |
| UBS Group AG | 0.00% | Add +54.9% | 593,376 | $5.2M |
| Kennedy Capital Management LLC | 0.09% | Reduce -1.8% | 562,935 | $4.9M |
| Man Group plc | 0.01% | Add +7.7% | 558,716 | $4.9M |
| Ameriprise Financial Inc. | 0.00% | Add +3.6% | 521,743 | $4.6M |
| Tensile Capital Management LP | 0.59% | Reduce -42.3% | 490,277 | $4.3M |
| First Eagle Investment Management, LLC | 0.01% | Reduce -8.2% | 483,358 | $4.2M |
| Valueworks LLC | 0.87% | New | 478,465 | $4.2M |
| Public Sector Pension Investment Board | 0.01% | Reduce -3.8% | 470,645 | $4.1M |
| Franklin Resources Inc. | 0.00% | Add +17.5% | 462,247 | $4.0M |
| Bastion Asset Management Inc. | 1.37% | Reduce -46.9% | 474,317 | $4.0M |
| Russell Investments Group, Ltd. | 0.00% | Add +9.1% | 458,829 | $4.0M |
| Algert Global LLC | 0.05% | Add +508.9% | 448,000 | $3.9M |
| BNP Paribas Financial Markets | 0.00% | Add +1.3% | 447,404 | $3.9M |
| Simcoe Capital LLC | 2.33% | Reduce -19.7% | 437,298 | $3.8M |
| Nuveen, LLC | 0.00% | Add +9.1% | 421,674 | $3.7M |
| First Trust Advisors LP | 0.00% | New | 395,178 | $3.5M |
| Assenagon Asset Management S.A. | 0.00% | Reduce -1.8% | 389,346 | $3.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -24.1% | 378,243 | $3.3M |
| FMR LLC | 0.00% | Reduce -31.7% | 359,899 | $3.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -8.3% | 355,880 | $3.1M |
| Rhumbline Advisers | 0.00% | Reduce -14.1% | 353,361 | $3.1M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Reduce -13.7% | 342,515 | $3.0M |
| Legal & General Group Plc | 0.00% | Add +0.9% | 317,869 | $2.8M |
| Swiss National Bank | 0.00% | Add +2.0% | 280,800 | $2.5M |
| Victory Capital Management Inc. | 0.00% | Add +19.3% | 267,352 | $2.3M |
| Guinness Asset Management LTD | 0.04% | Reduce -13.9% | 256,264 | $2.2M |
| State of Wisconsin Investment Board | 0.00% | Add +2.9% | 256,023 | $2.2M |
| Millennium Management | 0.00% | Reduce -45.6% | 253,737 | $2.2M |
| Edgestream Partners, L.P. | 0.07% | New | 252,977 | $2.2M |
| Bank of America Corp. | 0.00% | Reduce -27.2% | 241,018 | $2.1M |
| CoreCommodity Management, LLC | 0.42% | Add +30.1% | 239,423 | $2.1M |
| Voya Investment Management LLC | 0.00% | Add +2.4% | 217,060 | $1.9M |
| Glenorchy Capital Ltd | 1.15% | Add +1.1% | 210,068 | $1.8M |
| Royce & Associates LP | 0.01% | Reduce -6.8% | 198,922 | $1.7M |
| Intech Investment Management LLC | 0.02% | Add +398.3% | 198,136 | $1.7M |
| Sei Investments Co. | 0.00% | Reduce -42.3% | 193,771 | $1.7M |
| Gotham Asset Management | 0.00% | New | 185,793 | $1.6M |
| Orion Porfolio Solutions, LLC | 0.01% | Add +41.2% | 185,290 | $1.6M |
| Barclays PLC | 0.00% | Add +70.9% | 175,062 | $1.5M |
| Alliancebernstein L.P. | 0.00% | Add +11.3% | 146,330 | $1.4M |
| California State Teachers Retirement System | 0.00% | Reduce -13.9% | 161,797 | $1.4M |
| Clough Capital Partners L P | 0.11% | New | 158,336 | $1.4M |
| XTX Topco Ltd | 0.02% | Add +34.1% | 150,705 | $1.3M |
| Graham Capital Management, L.P. | 0.05% | Add +261.9% | 150,576 | $1.3M |
| Deutsche Bank AG | 0.00% | Reduce -89.6% | 150,145 | $1.3M |
| Y-Intercept (Hong Kong) Ltd | 0.03% | Add +55.4% | 149,274 | $1.3M |
| Wedge Capital Management L L P | 0.02% | Add +1.5% | 148,350 | $1.3M |
| D. E. Shaw & Co. | 0.00% | Reduce -68.7% | 147,620 | $1.3M |
| Citadel Advisors | 0.00% | Reduce -85.5% | 146,603 | $1.3M |
| Quantbot Technologies LP | 0.05% | Add +669.4% | 138,184 | $1.2M |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -52.8% | 137,617 | $1.2M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Reduce -7.5% | 135,154 | $1.2M |
| OP Asset Management Ltd | 0.01% | No change | 132,142 | $1.2M |
| T. Rowe Price Associates Inc. | 0.00% | Add +14.6% | 131,155 | $1.1M |
| Brevan Howard Capital Management LP | 0.02% | Add +390.0% | 130,360 | $1.1M |
| Citigroup Inc. | 0.00% | Add +156.0% | 129,913 | $1.1M |
| AQR Capital Management | 0.00% | Reduce -39.0% | 127,099 | $1.1M |
| Wells Fargo & Company | 0.00% | Add +130.1% | 126,973 | $1.1M |
| Nierenberg Investment Management Company, LLC | 0.54% | No change | 124,450 | $1.1M |
| Susquehanna International Group, LLP | 0.00% | Add +101.7% | 124,085 | $1.1M |
| Amundi | 0.00% | Add +13.9% | 123,647 | $1.1M |
| Schonfeld Strategic Advisors LLC | 0.01% | New | 123,016 | $1.1M |
| New York State Teachers Retirement System | 0.00% | Add +3.6% | 121,689 | $1.1M |
| SummerHaven Investment Management, LLC | 0.55% | No change | 116,582 | $1.0M |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 111,381 | $974K |
"% of holder's portfolio" is HOS's weight in each manager's 13F, not the share of Hornbeck Offshore Services I the manager owns.