MF
HOS

Magnetar Financial’s Hornbeck Offshore Services, Inc. HOS Stock Holding History

Magnetar Financial’s Portfolio HOS Stock Details HOS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-13,905
Closed -$138K – 1298
2026
Q1 		$138K Sell
13,905
-48,549
-78% -$413K ﹤0.01% 952
2025
Q4 		$392K Buy
+62,454
New +$415K ﹤0.01% 609

Other funds holding HOS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Magnetar Financial's HOS Position: Q2 2026 in Review

Magnetar Financial sold out of Hornbeck Offshore Services, Inc. (HOS) in Q2 2026, closing a stake of 13,905 shares — an estimated $138K sold.

Magnetar Financial first reported a position in HOS in Q4 2025 and held it in 2 quarters. The position peaked at $392K in Q4 2025. 286 funds tracked by Wall St. Rank hold HOS as of Q2 2026.

  • Magnetar Financial reported no remaining Hornbeck Offshore Services, Inc. position as of Q2 2026 after selling out during the quarter.
  • Magnetar Financial sold 13,905 Hornbeck Offshore Services, Inc. shares in Q2 2026, an estimated $138K.
  • Magnetar Financial first reported a position in Hornbeck Offshore Services, Inc. in Q4 2025 and held it in 2 quarters.
  • Magnetar Financial's Hornbeck Offshore Services, Inc. position peaked at $392K in Q4 2025.
  • 286 funds tracked by Wall St. Rank held Hornbeck Offshore Services, Inc. as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.