Hornbeck Offshore Services, Inc.
245 hedge funds and large institutions have $830M invested in Hornbeck Offshore Services, Inc. in 2025 Q3 according to their latest regulatory filings, with 33 funds opening new positions, 73 increasing their positions, 99 reducing their positions, and 39 closing their positions.
481% more call options, than puts
Call options by funds: $2.75M | Put options by funds: $474K
1% more capital invested
Capital invested by funds: $819M → $830M (+$11M)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
0.54% less ownership
Funds ownership: 86.56% → 86.02% (-0.54%)
3% less funds holding
Funds holding: 253 → 245 (-8)
15% less first-time investments, than exits
New positions opened: 33 | Existing positions closed: 39
26% less repeat investments, than reductions
Existing positions increased: 73 | Existing positions reduced: 99
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$22.8M |
| 2 |
Principal Financial Group
Des Moines,
Iowa
|
+$15.8M |
| 3 |
Hotchkis & Wiley Capital Management
Los Angeles,
California
|
+$6.58M |
| 4 |
First Manhattan
New York
|
+$3.78M |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$3.71M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ECA
Encompass Capital Advisors
New York
|
-$23.8M |
| 2 |
BNP Paribas Asset Management
Paris,
France
|
-$9.28M |
| 3 |
Cerity Partners
New York
|
-$8.11M |
| 4 |
SCM
SIR Capital Management
New York
|
-$7.65M |
| 5 |
GCCM
Gate City Capital Management
Chicago,
Illinois
|
-$7.14M |
HOS Hedge Fund Activity: Q3 2025 in Review
245 of the 7,640 institutional investors tracked by Wall St. Rank reported a position in Hornbeck Offshore Services, Inc. (HOS) for Q3 2025, worth a combined $830M — up 1.3% from $819M a quarter earlier.
Sellers outnumbered buyers: 39 funds closed out of HOS and 33 opened new positions — a net loss of 6 holders — while 99 trimmed existing stakes and 73 added.
The largest buyer was Millennium Management, adding an estimated $22.8M. The largest seller was Encompass Capital Advisors, exiting entirely with an estimated $23.8M sold.
- 245 institutional investors held Hornbeck Offshore Services, Inc. (HOS) as of Q3 2025, down from 253 in Q2 2025.
- Funds reported $830M of Hornbeck Offshore Services, Inc. stock for Q3 2025, up 1.3% quarter-over-quarter.
- 33 funds opened new Hornbeck Offshore Services, Inc. positions in Q3 2025 and 39 closed out, a net change of -6 holders.
- The largest Hornbeck Offshore Services, Inc. buyer in Q3 2025 was Millennium Management, an estimated $22.8M added.
- The largest Hornbeck Offshore Services, Inc. seller in Q3 2025 was Encompass Capital Advisors, an estimated $23.8M sold.
Based on aggregated 13F filings for Q3 2025.