Get started

Funds · HOS

Who owns HOS?

Institutional ownership of Hornbeck Offshore Services Inc. from Form 13F, Q2 2026

285 institutional managers reported holding Hornbeck Offshore Services Inc. (HOS) in Form 13F filings for Q2 2026, with 136,742,418 shares worth $1.2B. The largest reported holder was BlackRock, Inc. Managers that filed both quarters added a net 6,527,049 shares (+5.0%). 41 opened new positions and 28 sold out.

Funds holding
285
Value held
$1.2B
New / sold out
41 / 28
Net shares, same filers
+5.0%

Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Largest holders of HOS

FundValueShare of 13F holdingsSharesMove
BlackRock, Inc.$199M16.6%22,731,079Added
Dimensional Fund Advisors LP$79.5M6.6%9,091,008Added
State Street Corp$62.7M5.2%7,175,792Added
Invesco Ltd.$61.5M5.1%7,035,334Added
Vanguard Portfolio Management LLC$56.1M4.7%6,416,761Added
Vanguard Capital Management LLC$54.0M4.5%6,178,407Added
American Century Companies Inc$47.6M4.0%5,448,574Added
Principal Financial Group Inc$37.8M3.2%4,319,229Trimmed
Goldman Sachs Group Inc$32.0M2.7%3,666,005Added
Geode Capital Management, LLC$31.1M2.6%3,556,137Added
Wellington Management Group LLP$29.8M2.5%3,408,554Trimmed
Systematic Financial Management LP$27.9M2.3%3,188,798Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.$26.3M2.2%3,005,018Trimmed
Van Eck Associates Corp$23.8M2.0%2,725,573Trimmed
Boston Partners$22.1M1.8%2,486,953Trimmed
Charles Schwab Investment Management Inc$21.7M1.8%2,483,807Trimmed
Morgan Stanley$18.4M1.5%2,100,464Added
Prudential Financial Inc$18.3M1.5%2,088,884Added
Northern Trust Corp$15.6M1.3%1,783,081Added
Public Employees Retirement Association of Colorado$15.1M1.3%1,730,815Unchanged
Qube Research & Technologies Ltd$12.4M1.0%1,413,717Added
Panagora Asset Management Inc$10.8M0.9%1,237,686Trimmed
Arrowstreet Capital, Limited Partnership$10.0M0.8%1,139,215Added
Bridgeway Capital Management, LLC$9.3M0.8%1,058,726Added
Two Sigma Investments, LP$9.0M0.8%1,035,449Added

Share of 13F holdings is each fund's shares as a share of the 136,742,418 HOS shares all 13F filers reported, not of shares outstanding.

Biggest buyers in Q2 2026

  1. Prudential Financial Inc Added+$15.4M
  2. Goldman Sachs Group Inc Added+$13.8M
  3. Hillsdale Investment Management Inc. New+$7.9M
  4. Two Sigma Investments, LP Added+$6.4M
  5. Pacer Advisors, Inc. New+$5.3M
  6. BlackRock, Inc. Added+$5.0M
  7. Arrowstreet Capital, Limited Partnership Added+$4.9M
  8. Valueworks LLC New+$4.2M
  9. State Street Corp Added+$4.1M
  10. First Eagle Investment Management, LLC Added+$3.8M

Biggest sellers in Q2 2026

  1. Gate City Capital Management, LLC Sold out-$12.8M
  2. Deutsche Bank Ag\ Trimmed-$11.3M
  3. Citadel Advisors LLC Trimmed-$7.5M
  4. Wellington Management Group LLP Trimmed-$4.6M
  5. Boston Partners Trimmed-$4.1M
  6. Bastion Asset Management Inc. Trimmed-$3.6M
  7. Tensile Capital Management LP Trimmed-$3.1M
  8. Adage Capital Partners GP, L.l.c. Sold out-$3.0M
  9. D. E. Shaw & Co., Inc. Trimmed-$2.8M
  10. Principal Financial Group Inc Trimmed-$2.4M

The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $138M and sold $83.7M; 113 added and 79 trimmed.

Questions about HOS ownership

Who owns HOS stock?
285 institutional investment managers reported HOS positions in their Form 13F filings for Q2 2026, holding 136,742,418 shares worth $1.2B in total. BlackRock, Inc. reported the largest position.
Are funds buying or selling HOS?
In Q2 2026, 41 managers opened new HOS positions, 113 added, 79 trimmed and 28 sold out. Managers that filed in both quarters added a net 6,527,049 shares.
How current is this HOS institutional ownership data?
It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to HOS by CUSIP. Options are left out. HOS news and filings · HOS insider trades · Top funds