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 |
|---|---|---|---|---|---|
| Canada Pension Plan Investment Board | 14,800 | $146.4K | 0.00% | 00.0% | Unchanged |
| Prospera Financial Services Inc | 15,083 | $149.1K | 0.00% | −18,467−55.0% | Reduced |
| CenterBook Partners LP | 15,497 | $153.3K | 0.01% | −1,156,580−98.7% | Reduced |
| Mutual of America Capital Management LLC | 15,654 | $154.8K | 0.00% | +20+0.1% | Added |
| Axq Capital, LP | 15,733 | $155.6K | 0.02% | −13,616−46.4% | Reduced |
| Meeder Advisory Services, Inc. | 16,122 | $159.4K | 0.01% | +253+1.6% | Added |
| Winton Group Ltd | 16,200 | $160.2K | 0.01% | +16,200 | New |
| Mercer Global Advisors Inc | 17,729 | $175.3K | 0.00% | +2,574+17.0% | Added |
| SG Americas Securities, LLC | 17,927 | $177.0K | 0.00% | −24,486−57.7% | Reduced |
| Quantbot Technologies LP | 17,960 | $177.6K | 0.01% | +17,960 | New |
| AE Wealth Management LLC | 18,215 | $180.1K | 0.00% | +18,215 | New |
| Prelude Capital Management, LLC | 18,500 | $183.0K | 0.01% | −34,000−64.8% | Reduced |
| Cetera Investment Advisers | 18,676 | $184.7K | 0.00% | +2,358+14.5% | Added |
| Centiva Capital, LP | 19,281 | $190.7K | 0.01% | +19,281 | New |
| Maryland State Retirement & Pension System | 19,679 | $194.6K | 0.00% | +27+0.1% | Added |
| Bank of Montreal | 20,008 | $197.9K | 0.00% | −692−3.3% | Reduced |
| Bleakley Financial Group, LLC | 20,408 | $201.8K | 0.00% | +20,408 | New |
| DRW Securities, LLC | 20,431 | $202.1K | 0.01% | −14,228−41.1% | Reduced |
| Inceptionr LLC | 20,631 | $204.0K | 0.05% | +20,631 | New |
| Commonwealth Equity Services, LLC | 20,732 | $205.0K | 0.00% | +20,732 | New |
| Mirabella Financial Services LLP | 20,774 | $205.5K | 0.02% | −7,777−27.2% | Reduced |
| ProShare Advisors LLC | 21,627 | $213.9K | 0.00% | −5,392−20.0% | Reduced |
| Aquatic Capital Management LLC | 22,198 | $219.5K | 0.01% | −21,255−48.9% | Reduced |
| Pictet Asset Management Holding SA | 24,021 | $237.6K | 0.00% | +1,864+8.4% | Added |
| Catalyst Funds Management Pty Ltd | 24,480 | $242.1K | 0.04% | +24,480 | New |
| Envestnet Asset Management Inc | 24,670 | $244.0K | 0.00% | +7,221+41.4% | Added |
| Brevan Howard Capital Management LP | 26,606 | $263.1K | 0.00% | −42,729−61.6% | Reduced |
| Resources Investment Advisors, LLC. | 28,226 | $279.2K | 0.00% | +28,226 | New |
| The PNC Financial Services Group, Inc. | 29,642 | $293.2K | 0.00% | −5,371−15.3% | Reduced |
| KLP Kapitalforvaltning AS | 30,100 | $297.7K | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 30,633 | $303.0K | 0.01% | +13,696+80.9% | Added |
| Teacher Retirement System of Texas | 30,701 | $303.6K | 0.00% | +30,701 | New |
| Los Angeles Capital Management LLC | 31,272 | $309.3K | 0.00% | +30,747+5,856.6% | Added |
| Oregon Public Employees Retirement Fund | 31,301 | $309.6K | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 33,826 | $334.5K | 0.00% | −37−0.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 34,523 | $341.0K | 0.00% | 00.0% | Unchanged |
| Vanguard Investments Australia, Ltd. | 36,033 | $356.4K | 0.00% | +36,033 | New |
| Yousif Capital Management, LLC | 36,447 | $360.5K | 0.00% | −808−2.2% | Reduced |
| Fox Run Management, L.L.C. | 38,333 | $373.7K | 0.07% | −47,448−55.3% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 38,269 | $378.5K | 0.00% | +4,051+11.8% | Added |
| Arizona State Retirement System | 38,379 | $379.6K | 0.00% | −466−1.2% | Reduced |
| Caxton Associates LLP | 38,531 | $381.1K | 0.01% | −30,379−44.1% | Reduced |
| Amalgamated Bank | 39,454 | $390.0K | 0.00% | −338−0.8% | Reduced |
| Intech Investment Management LLC | 39,763 | $393.3K | 0.00% | −20,289−33.8% | Reduced |
| New York State Common Retirement Fund | 40,514 | $400.7K | 0.00% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 41,610 | $411.5K | 0.01% | +28,048+206.8% | Added |
| Great Lakes Advisors, LLC | 41,983 | $415.2K | 0.00% | +2,971+7.6% | Added |
| Profund Advisors LLC | 45,027 | $445.3K | 0.02% | +10,417+30.1% | Added |
| Simplex Trading, LLC | 47,686 | $471.6K | 0.01% | +47,686 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 49,553 | $490.1K | 0.00% | +9,612+24.1% | Added |
| Raymond James Financial Inc | 50,623 | $500.7K | 0.00% | +20,910+70.4% | Added |
| Creative Planning | 50,694 | $501.4K | 0.00% | +21,258+72.2% | Added |
| Citigroup Inc | 50,744 | $501.9K | 0.00% | +1,587+3.2% | Added |
| State of Tennessee, Treasury Department | 51,841 | $512.7K | 0.00% | −1,830−3.4% | Reduced |
| Gsa Capital Partners LLP | 52,713 | $521.0K | 0.03% | −107,811−67.2% | Reduced |
| Vanguard Global Advisers, LLC | 52,852 | $522.7K | 0.00% | +52,852 | New |
| EP Wealth Advisors, LLC | 54,798 | $542.0K | 0.00% | +2,156+4.1% | Added |
| Wells Fargo & Company | 55,193 | $545.9K | 0.00% | −102,563−65.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 61,326 | $574.6K | 0.00% | +5,081+9.0% | Added |
| ARGA Investment Management, LP | 59,441 | $587.9K | 0.02% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 60,160 | $595.0K | 0.00% | +17,948+42.5% | Added |
| Louisiana State Employees Retirement System | 60,700 | $600.3K | 0.01% | −2,000−3.2% | Reduced |
| Susquehanna International Group, LLP | 61,510 | $608.3K | 0.00% | −8,645−12.3% | Reduced |
| Nisa Investment Advisors, LLC | 64,953 | $642.4K | 0.00% | −137,540−67.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 65,254 | $645.4K | 0.00% | −1,795,000−96.5% | Reduced |
| Jacobs Levy Equity Management, Inc | 65,480 | $647.6K | 0.00% | −32,698−33.3% | Reduced |
| Guggenheim Capital LLC | 67,227 | $664.9K | 0.01% | −19,689−22.7% | Reduced |
| Diversified Trust Co | 69,457 | $686.9K | 0.01% | +9,994+16.8% | Added |
| Quantinno Capital Management LP | 70,006 | $692.4K | 0.00% | +15,262+27.9% | Added |
| Illinois Municipal Retirement Fund | 71,231 | $704.5K | 0.01% | +2,413+3.5% | Added |
| State of Alaska, Department of Revenue | 73,623 | $727.0K | 0.01% | −1,528−2.0% | Reduced |
| Algert Global LLC | 73,580 | $727.7K | 0.01% | −31,710−30.1% | Reduced |
| Fifth Third Bancorp | 74,562 | $737.4K | 0.00% | +73,937+11,829.9% | Added |
| MetLife Investment Management | 75,343 | $745.1K | 0.00% | +5,611+8.0% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 75,723 | $748.9K | 0.01% | +75,723 | New |
| Federated Hermes, Inc. | 80,866 | $799.8K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 131,430 | $824.1K | 0.00% | −19,900−13.2% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 86,423 | $854.7K | 0.00% | +13,047+17.8% | Added |
| Vanguard Asset Management, Ltd | 88,444 | $874.7K | 0.00% | +88,444 | New |
| Thrivent Financial for Lutherans | 91,300 | $903.0K | 0.00% | −2,690−2.9% | Reduced |
| Squarepoint Ops LLC | 92,279 | $912.6K | 0.00% | +92,279 | New |
| Y-Intercept (Hong Kong) Ltd | 96,091 | $950.3K | 0.02% | +33,992+54.7% | Added |
| Barclays PLC | 102,425 | $1.01M | 0.00% | −191,190−65.1% | Reduced |
| Numerai GP LLC | 104,663 | $1.04M | 0.10% | +18,846+22.0% | Added |
| Amundi | 108,506 | $1.07M | 0.00% | +32,375+42.5% | Added |
| Great West Life Assurance Co | 111,381 | $1.10M | 0.00% | −7,709−6.5% | Reduced |
| XTX Topco Ltd | 112,374 | $1.11M | 0.02% | +29,768+36.0% | Added |
| Price T Rowe Associates Inc | 114,422 | $1.13M | 0.00% | +15,082+15.2% | Added |
| SummerHaven Investment Management, LLC | 116,582 | $1.15M | 0.71% | −10,414−8.2% | Reduced |
| New York State Teachers Retirement System | 117,438 | $1.16M | 0.00% | −31,625−21.2% | Reduced |
| Caption Management, LLC | 118,652 | $1.17M | 0.06% | +118,652 | New |
| Nierenberg Investment Management Company, Inc. | 124,450 | $1.23M | 0.61% | 00.0% | Unchanged |
| Jump Financial, LLC | 127,336 | $1.26M | 0.02% | −50,774−28.5% | Reduced |
| Walleye Trading LLC | 127,348 | $1.26M | 0.03% | +127,348 | New |
| Brinker Capital Investments, LLC | 131,207 | $1.30M | 0.01% | −35,483−21.3% | Reduced |
| OP Asset Management Ltd | 132,142 | $1.31M | 0.01% | +132,142 | New |
| Acadian Asset Management LLC | 140,250 | $1.38M | 0.00% | +101,745+264.2% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 146,056 | $1.44M | 0.00% | −6,967−4.6% | Reduced |
| Wedge Capital Management L L P | 146,102 | $1.44M | 0.03% | −19,081−11.6% | Reduced |
| Trexquant Investment LP | 168,632 | $1.67M | 0.01% | −192,419−53.3% | Reduced |