Hornbeck Offshore Services, Inc. 13F holders
285 funds reported a position in Hornbeck Offshore Services, Inc. in their 13F for the quarter ended 30 June 2026, together 136.7 million shares worth $1.20 billion. Against the quarter before, 35 opened a position, 114 added, 79 trimmed and 28 sold out; together they bought a net 5.2 million shares. The largest holders: BlackRock, Inc., Dimensional Fund Advisors LP and State Street Corp.
Funds holding285+11 on Q1 2026
Shares they held136.7Mworth $1.20 billion
Net bought on the quarter5.2M sharesabout $45.2 million at the funds' values
Funds buying to selling149 to 107opened or added, to cut or sold
Opened 35Added 114Held 54Trimmed 79Sold out 28
What each fund did in HOS against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in HOS in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,241 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 54 reported a position in Hornbeck Offshore Services, Inc.: 8 opened one, 13 added, 17 trimmed and 8 sold out, a net 1.4 million shares bought.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 6 reported a position in Hornbeck Offshore Services, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 3.6 million shares worth $31.1 million, 0.0% of its reported book. In the quarter, 2 funds added or opened a position and 4 trimmed or sold out; together they sold a net 380,691 shares, about $3.3 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 3,556,137 | $31.1 million | 0.0% | +197,240 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 1,035,449 | $9.0 million | 0.0% | +727,106 | added | 30 June 2026 | 13F |
| Renaissance Technologies | 902,127 | $7.9 million | 0.0% | -64,400 | trimmed | 30 June 2026 | 13F |
| FMR LLC | 359,899 | $3.1 million | 0.0% | -166,949 | trimmed | 30 June 2026 | 13F |
| Millennium Management | 253,737 | $2.2 million | 0.0% | -212,415 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 146,603 | $1.3 million | 0.0% | -861,273 | trimmed | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 22,731,079 | 16.62% | $198.7 million | 0.00% | +573,340 | 13F |
| Dimensional Fund Advisors LP | 9,091,008 | 6.65% | $79.5 million | 0.01% | +131,202 | 13F |
| State Street Corp. | 7,175,792 | 5.25% | $62.7 million | 0.00% | +466,289 | 13F |
| Invesco Ltd. | 7,035,334 | 5.14% | $61.5 million | 0.01% | +375,206 | 13F |
| Vanguard Portfolio Management LLC | 6,416,761 | 4.69% | $56.1 million | 0.00% | +182,000 | 13F |
| Vanguard Capital Management LLC | 6,178,407 | 4.52% | $54.0 million | 0.00% | +133,712 | 13F |
| American Century Companies Inc. | 5,448,574 | 3.98% | $47.6 million | 0.02% | +251,014 | 13F |
| Principal Financial Group Inc. | 4,319,229 | 3.16% | $37.8 million | 0.02% | -276,704 | 13F |
| Goldman Sachs Group Inc. | 3,666,005 | 2.68% | $32.0 million | 0.00% | +1,577,127 | 13F |
| Geode Capital Management, LLC | 3,556,137 | 2.60% | $31.1 million | 0.00% | +197,240 | 13F |
| Wellington Management Group LLP | 3,408,554 | 2.49% | $29.8 million | 0.01% | -523,989 | 13F |
| Systematic Financial Management LP | 3,188,798 | 2.33% | $27.9 million | 0.56% | +230,254 | 13F |
| BNP Paribas Asset Management Holding S.A. | 3,005,018 | 2.20% | $26.3 million | 0.03% | -17,390 | 13F |
| Van Eck Associates Corp. | 2,725,573 | 1.99% | $23.8 million | 0.01% | -149,948 | 13F |
| Boston Partners | 2,486,953 | 1.82% | $22.1 million | 0.02% | -463,793 | 13F |
| Charles Schwab Investment Management Inc. | 2,483,807 | 1.82% | $21.7 million | 0.00% | -110,163 | 13F |
| Morgan Stanley | 2,100,464 | 1.54% | $18.4 million | 0.00% | +109,205 | 13F |
| Prudential Financial Inc. | 2,088,884 | 1.53% | $18.3 million | 0.02% | +1,767,050 | 13F |
| Northern Trust Corp. | 1,783,081 | 1.30% | $15.6 million | 0.00% | +97,984 | 13F |
| Public Employees Retirement Association of Colorado | 1,730,815 | 1.27% | $15.1 million | 0.05% | no change | 13F |
| Qube Research & Technologies Ltd | 1,413,717 | 1.03% | $12.4 million | 0.01% | +419,645 | 13F |
| Panagora Asset Management Inc. | 1,237,686 | 0.91% | $10.8 million | 0.03% | -36,816 | 13F |
| Arrowstreet Capital, Limited Partnership | 1,139,215 | 0.83% | $10.0 million | 0.00% | +561,236 | 13F |
| Bridgeway Capital Management, LLC | 1,058,726 | 0.77% | $9.3 million | 0.16% | +174,940 | 13F |
| Two Sigma Investments, LP | 1,035,449 | 0.76% | $9.0 million | 0.01% | +727,106 | 13F |
| Hotchkis & Wiley Capital Management LLC | 1,005,593 | 0.74% | $8.8 million | 0.03% | +111,470 | 13F |
| First Eagle Investment Management, LLC | 966,716 | 0.71% | $8.4 million | 0.01% | 13F | |
| Vanguard Fiduciary Trust Co. | 930,636 | 0.68% | $8.1 million | 0.00% | +28,991 | 13F |
| Renaissance Technologies LLC | 902,127 | 0.66% | $7.9 million | 0.01% | -64,400 | 13F |
| Hillsdale Investment Management Inc. | 899,000 | 0.66% | $7.9 million | 0.18% | new | 13F |
| Jupiter Topco LLC | 875,202 | 0.64% | $7.6 million | 0.00% | first 13F | 13F |
| Bank of New York Mellon Corp | 843,043 | 0.62% | $7.4 million | 0.00% | +22,329 | 13F |
| Assenagon Asset Management S.A. | 778,692 | 0.57% | $6.8 million | 0.00% | 13F | |
| Tudor Investment Corp. Et Al | 670,247 | 0.49% | $5.9 million | 0.02% | +419,807 | 13F |
| Empowered Funds, LLC | 659,820 | 0.48% | $5.8 million | 0.03% | +106,440 | 13F |
| CSM Advisors, LLC | 615,065 | 0.45% | $5.4 million | 0.12% | +256,590 | 13F |
| Pacer Advisors, Inc. | 611,190 | 0.45% | $5.3 million | 0.01% | +75,480 | 13F |
| UBS Group AG | 593,376 | 0.43% | $5.2 million | 0.00% | +210,286 | 13F |
| Kennedy Capital Management LLC | 562,935 | 0.41% | $4.9 million | 0.09% | -10,504 | 13F |
| Man Group plc | 558,716 | 0.41% | $4.9 million | 0.01% | +39,681 | 13F |
| Ameriprise Financial Inc. | 521,743 | 0.38% | $4.6 million | 0.00% | +18,332 | 13F |
| Tensile Capital Management LP | 490,277 | 0.36% | $4.3 million | 0.59% | -359,669 | 13F |
| Valueworks LLC | 478,465 | 0.35% | $4.2 million | 0.87% | new | 13F |
| Public Sector Pension Investment Board | 470,645 | 0.34% | $4.1 million | 0.01% | -18,707 | 13F |
| Franklin Resources Inc. | 462,247 | 0.34% | $4.0 million | 0.00% | +68,949 | 13F |
| Bastion Asset Management Inc. | 474,317 | 0.35% | $4.0 million | 1.37% | -419,507 | 13F |
| Russell Investments Group, Ltd. | 458,829 | 0.34% | $4.0 million | 0.00% | +38,201 | 13F |
| Algert Global LLC | 448,000 | 0.33% | $3.9 million | 0.05% | +374,420 | 13F |
| BNP Paribas Financial Markets | 447,404 | 0.33% | $3.9 million | 0.00% | +5,699 | 13F |
| Simcoe Capital LLC | 437,298 | 0.32% | $3.8 million | 2.33% | -106,978 | 13F |
The 50 largest of the 285 funds that reported a position in HOS in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on HOS
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 65,300 | $570,722 | 30 June 2026 | 13F |
| Citadel Advisors | Puts | 20,500 | $179,170 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 27 October 2026 | 13G/A | BlackRock, Inc. and 1 other | 21.3 million | 11.5% | 30 September 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 9 September 2026 | 13D | Asof Hos GP, LLC and 18 others | 61.7 million | 23.7% | 1 September 2026 | Merger On April 22, 2026, Helix Energy Solutions Group, Inc., a Minnesota corporation ("Helix"), Hornbeck Offshore Services, Inc., a Delaware corporation ("Legacy Hornbeck"), and certain subsidiaries of Helix entered into an Agreement and P | EDGAR |
| 9 September 2026 | 13G | Merced Capital, L.P. and 9 others | 11.7 million | 5.3% | 1 September 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 9 September 2026 | 13G | Whitebox Advisors LLC and 5 others | 37.9 million | 15.0% | 1 September 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 29 September 2026 | 20,515 | $7.94 | SEC |
| 28 September 2026 | 724 | $8.19 | SEC |
| 24 September 2026 | 1,615 | $8.35 | SEC |
| 23 September 2026 | 774 | $8.41 | SEC |
| 22 September 2026 | 1,092 | $8.33 | SEC |
| 18 September 2026 | 159 | $8.58 | SEC |
| 14 September 2026 | 510 | $8.88 | SEC |
| 9 September 2026 | 16 | $9.08 | SEC |
| 8 September 2026 | 27 | $9.20 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.