Hornbeck Offshore Services, Inc.
HOS- Exchange
- NYSE
- Industry
- Oil & Gas Field Services, NEC
- SEC CIK
- 0000866829
No open-market purchases or sales by Hornbeck Offshore Services, Inc. insiders were filed in the last 90 days; 285 institutions reported holding it in 13F filings for Q2 2026, worth $1.19B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Hornbeck Offshore Services, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 274
- +14 vs. Q4 2025
- Shares held
- 131.0M
- +16.4M (+14.3%) vs. Q4 2025
- Total value
- $1.29B
- +$575.7M (+80.1%) vs. Q4 2025
- New holders
- 44
- 93 more added
- Sold out
- 30
- 98 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting HOS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 285 | $1.19B |
| Q1 2026 | 274 | $1.29B |
| Q4 2025 | 265 | $801.2M |
| Q3 2025 | 245 | $829.5M |
| Q2 2025 | 253 | $818.5M |
| Q1 2025 | 256 | $1.12B |
| Q4 2024 | 243 | $1.31B |
| Q3 2024 | 239 | $1.49B |
| Q2 2024 | 242 | $1.64B |
| Q1 2024 | 223 | $1.45B |
| Q4 2023 | 241 | $1.43B |
| Q3 2023 | 252 | $1.61B |
| Q2 2023 | 214 | $1.04B |
| Q1 2023 | 228 | $1.12B |
| Q4 2022 | 210 | $1.03B |
| Q3 2022 | 195 | $514.2M |
| Q2 2022 | 190 | $427.0M |
| Q1 2022 | 191 | $645.9M |
| Q4 2021 | 186 | $410.2M |
| Q3 2021 | 179 | $530.0M |
| Q2 2021 | 178 | $800.2M |
| Q1 2021 | 183 | $694.5M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Hornbeck Offshore Services, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 22,157,739 | $219.1M | 0.00% | +458,119+2.1% | Added |
| Dimensional Fund Advisors LP | 8,959,806 | $88.6M | 0.02% | +249,887+2.9% | Added |
| State Street Corp | 6,709,503 | $66.4M | 0.00% | +445,960+7.1% | Added |
| Invesco Ltd. | 6,660,128 | $65.9M | 0.01% | +1,692,050+34.1% | Added |
| Vanguard Portfolio Management LLC | 6,234,761 | $61.7M | 0.00% | +6,234,761 | New |
| Vanguard Capital Management LLC | 6,044,695 | $59.8M | 0.00% | +6,044,695 | New |
| American Century Companies Inc | 5,197,560 | $51.4M | 0.03% | +68,655+1.3% | Added |
| Principal Financial Group Inc | 4,595,933 | $45.5M | 0.02% | −138,301−2.9% | Reduced |
| Wellington Management Group LLP | 3,932,543 | $38.9M | 0.01% | +777,400+24.6% | Added |
| Geode Capital Management, LLC | 3,358,897 | $33.2M | 0.00% | +79,981+2.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 3,022,408 | $29.9M | 0.03% | +930,296+44.5% | Added |
| Systematic Financial Management LP | 2,958,544 | $29.3M | 0.67% | −38,598−1.3% | Reduced |
| Boston Partners | 2,950,746 | $29.1M | 0.03% | +2,950,746 | New |
| Van Eck Associates Corp | 2,875,521 | $28.4M | 0.02% | +921,419+47.2% | Added |
| Charles Schwab Investment Management Inc | 2,593,970 | $25.7M | 0.00% | +49,563+1.9% | Added |
| Goldman Sachs Group Inc | 2,088,878 | $20.7M | 0.00% | +761,975+57.4% | Added |
| Morgan Stanley | 1,991,259 | $19.7M | 0.00% | −229,152−10.3% | Reduced |
| Public Employees Retirement Association of Colorado | 1,730,815 | $17.1M | 0.07% | −142,800−7.6% | Reduced |
| Northern Trust Corp | 1,685,097 | $16.7M | 0.00% | +56,835+3.5% | Added |
| Deutsche Bank AG | 1,443,954 | $14.3M | 0.00% | +1,216,819+535.7% | Added |
| Gate City Capital Management, LLC | 1,297,832 | $12.8M | 5.00% | −574,363−30.7% | Reduced |
| Panagora Asset Management Inc | 1,274,502 | $12.6M | 0.05% | −67,217−5.0% | Reduced |
| Janus Henderson Group PLC | 1,055,411 | $10.4M | 0.00% | +992,261+1,571.3% | Added |
| Citadel Advisors LLC | 1,007,876 | $9.97M | 0.01% | +335,642+49.9% | Added |
| Qube Research & Technologies Ltd | 994,072 | $9.83M | 0.01% | −466,607−31.9% | Reduced |
| Renaissance Technologies LLC | 966,527 | $9.56M | 0.01% | −39,412−3.9% | Reduced |
| Vanguard Fiduciary Trust Co | 901,645 | $8.92M | 0.00% | +901,645 | New |
| Hotchkis & Wiley Capital Management LLC | 894,123 | $8.84M | 0.03% | −138,980−13.5% | Reduced |
| Bridgeway Capital Management, LLC | 883,786 | $8.74M | 0.18% | −75,959−7.9% | Reduced |
| Bastion Asset Management Inc. | 893,824 | $8.58M | 2.62% | +893,824 | New |
| Tensile Capital Management LP | 849,946 | $8.41M | 1.20% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 820,714 | $8.12M | 0.00% | −27,370−3.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 577,979 | $5.72M | 0.00% | +240,414+71.2% | Added |
| Kennedy Capital Management, Inc. | 573,439 | $5.67M | 0.12% | +13,773+2.5% | Added |
| Empowered Funds, LLC | 553,380 | $5.47M | 0.03% | −75,959−12.1% | Reduced |
| Simcoe Capital LLC | 544,276 | $5.38M | 4.94% | −64,356−10.6% | Reduced |
| Pacer Advisors, Inc. | 535,710 | $5.30M | 0.02% | +535,710 | New |
| FMR LLC | 526,848 | $5.21M | 0.00% | −42,589−7.5% | Reduced |
| First Eagle Investment Management, LLC | 526,358 | $5.21M | 0.01% | −33,500−6.0% | Reduced |
| Man Group plc | 519,035 | $5.13M | 0.01% | +389,029+299.2% | Added |
| Ameriprise Financial Inc | 503,411 | $4.98M | 0.00% | −95,891−16.0% | Reduced |
| JPMorgan Chase & Co | 498,348 | $4.86M | 0.00% | −25,385−4.8% | Reduced |
| Public Sector Pension Investment Board | 489,352 | $4.84M | 0.02% | +15,610+3.3% | Added |
| D. E. Shaw & Co., Inc. | 471,623 | $4.66M | 0.00% | −712,487−60.2% | Reduced |
| Millennium Management LLC | 466,152 | $4.61M | 0.00% | +206,123+79.3% | Added |
| BNP Paribas Arbitrage, SA | 441,705 | $4.37M | 0.00% | +278,373+170.4% | Added |
| Russell Investments Group, Ltd. | 420,628 | $4.16M | 0.00% | −41,398−9.0% | Reduced |
| Rhumbline Advisers | 411,324 | $4.07M | 0.00% | +4,976+1.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 397,039 | $3.93M | 0.01% | +397,039 | New |
| Assenagon Asset Management S.A. | 396,637 | $3.92M | 0.01% | −11,649−2.9% | Reduced |
| Franklin Resources Inc | 393,298 | $3.89M | 0.00% | +382,531+3,552.8% | Added |
| UBS Asset Management Americas Inc | 388,029 | $3.84M | 0.00% | −14,740−3.7% | Reduced |
| Nuveen, LLC | 386,607 | $3.82M | 0.00% | −2,193−0.6% | Reduced |
| UBS Group AG | 383,090 | $3.79M | 0.00% | −352,622−47.9% | Reduced |
| CSM Advisors, LLC | 358,475 | $3.55M | 0.09% | −1,840−0.5% | Reduced |
| SEI Investments Co | 335,854 | $3.32M | 0.00% | +161,901+93.1% | Added |
| Bank of America Corp | 331,076 | $3.27M | 0.00% | −24,515−6.9% | Reduced |
| Prudential Financial Inc | 321,834 | $3.18M | 0.00% | +5,410+1.7% | Added |
| Legal & General Group Plc | 315,064 | $3.12M | 0.00% | −30,960−8.9% | Reduced |
| Two Sigma Investments, LP | 308,343 | $3.05M | 0.00% | +308,343 | New |
| Adage Capital Partners GP, L.L.C. | 300,000 | $2.97M | 0.00% | −1,000,000−76.9% | Reduced |
| Guinness Asset Management LTD | 297,624 | $2.94M | 0.05% | +82,770+38.5% | Added |
| State Board of Administration of Florida Retirement System | 291,502 | $2.88M | 0.01% | +227,505+355.5% | Added |
| Swiss National Bank | 275,200 | $2.72M | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 250,440 | $2.48M | 0.01% | −49,171−16.4% | Reduced |
| State of Wisconsin Investment Board | 248,759 | $2.46M | 0.01% | −47,800−16.1% | Reduced |
| Victory Capital Management Inc | 224,130 | $2.22M | 0.00% | +19,573+9.6% | Added |
| Royce & Associates LP | 213,560 | $2.11M | 0.02% | −12,760−5.6% | Reduced |
| Voya Investment Management LLC | 211,907 | $2.10M | 0.00% | −420,089−66.5% | Reduced |
| AQR Capital Management LLC | 208,244 | $2.06M | 0.00% | +9,075+4.6% | Added |
| Glenorchy Capital Ltd | 207,774 | $2.05M | 1.11% | +7,458+3.7% | Added |
| California State Teachers Retirement System | 187,921 | $1.86M | 0.00% | +54,892+41.3% | Added |
| Cresset Asset Management, LLC | 184,927 | $1.83M | 0.01% | +122+0.1% | Added |
| CoreCommodity Management, LLC | 184,020 | $1.82M | 0.34% | −21,474−10.4% | Reduced |
| Trexquant Investment LP | 168,632 | $1.67M | 0.01% | −192,419−53.3% | Reduced |
| Wedge Capital Management L L P | 146,102 | $1.44M | 0.03% | −19,081−11.6% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 146,056 | $1.44M | 0.00% | −6,967−4.6% | Reduced |
| Acadian Asset Management LLC | 140,250 | $1.38M | 0.00% | +101,745+264.2% | Added |
| OP Asset Management Ltd | 132,142 | $1.31M | 0.01% | +132,142 | New |
| Brinker Capital Investments, LLC | 131,207 | $1.30M | 0.01% | −35,483−21.3% | Reduced |
| Walleye Trading LLC | 127,348 | $1.26M | 0.03% | +127,348 | New |
| Jump Financial, LLC | 127,336 | $1.26M | 0.02% | −50,774−28.5% | Reduced |
| Nierenberg Investment Management Company, Inc. | 124,450 | $1.23M | 0.61% | 00.0% | Unchanged |
| Caption Management, LLC | 118,652 | $1.17M | 0.06% | +118,652 | New |
| New York State Teachers Retirement System | 117,438 | $1.16M | 0.00% | −31,625−21.2% | Reduced |
| SummerHaven Investment Management, LLC | 116,582 | $1.15M | 0.71% | −10,414−8.2% | Reduced |
| Price T Rowe Associates Inc | 114,422 | $1.13M | 0.00% | +15,082+15.2% | Added |
| XTX Topco Ltd | 112,374 | $1.11M | 0.02% | +29,768+36.0% | Added |
| Great West Life Assurance Co | 111,381 | $1.10M | 0.00% | −7,709−6.5% | Reduced |
| Amundi | 108,506 | $1.07M | 0.00% | +32,375+42.5% | Added |
| Numerai GP LLC | 104,663 | $1.04M | 0.10% | +18,846+22.0% | Added |
| Barclays PLC | 102,425 | $1.01M | 0.00% | −191,190−65.1% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 96,091 | $950.3K | 0.02% | +33,992+54.7% | Added |
| Squarepoint Ops LLC | 92,279 | $912.6K | 0.00% | +92,279 | New |
| Thrivent Financial for Lutherans | 91,300 | $903.0K | 0.00% | −2,690−2.9% | Reduced |
| Vanguard Asset Management, Ltd | 88,444 | $874.7K | 0.00% | +88,444 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 86,423 | $854.7K | 0.00% | +13,047+17.8% | Added |
| Alliancebernstein L.P. | 131,430 | $824.1K | 0.00% | −19,900−13.2% | Reduced |
| Federated Hermes, Inc. | 80,866 | $799.8K | 0.00% | 00.0% | Unchanged |
| Maverick Capital LtdSuperinvestorMaverick Capital | 75,723 | $748.9K | 0.01% | +75,723 | New |