WhaleCreep

Which hedge funds own OII? OCEANEERING INTL INC, Q2 2026 13F holders

EnergyOil & Gas Equipment & Services

32 tracked hedge funds disclosed a position in OII (OCEANEERING INTL INC) in their Q2 2026 13F filings, worth $170.6m in total. The largest holder by portfolio weight is Greenhouse Funds LLLP at 4.0% of its book. 15 opened a new position this quarter: Diametric Capital, LP, Bayforest Capital Ltd, Aquatic Capital Management LLC, Interval Partners, LP. 11 exited: Carlson Capital, L.P., Mozayyx Management LLC, Melqart Asset Management (UK) Ltd.

32
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
15
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
11
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$17.4m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$30.9m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$171m
Combined value
Sum of the holders' reported positions in the security.
2.6%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

32 rows
Greenhouse Funds LLLP Hedge fund4.0%$76.8m1.90m−6.7%reduced
Archon Capital Management LLC Hedge fund3.4%$8.4m208,0000.0%held
Old West Investment Management, LLC Hedge fund3.0%$28.1m693,549−0.5%reduced
Manatuck Hill Partners, LLC Hedge fund2.2%$6.5m160,6000.0%held
GeoSphere Capital Management, LLC Hedge fund1.5%$2.8m69,689−42%reduced
Dockside LLC Hedge fund0.4%$1.6m38,430−35%reduced
Fulcrum Asset Management LLP Hedge fund0.1%$1.3m33,530−14%reduced
Diametric Capital, LP Hedge fund0.1%$956k23,592–new
Edgestream Partners, L.P. Hedge fund0.08%$2.7m65,581−44%reduced
Bayforest Capital Ltd Hedge fund0.07%$75.9k1,873–new
PDT Partners, LLC Hedge fund0.03%$494k12,1880.0%held
Caxton Associates LLP Hedge fund0.03%$1.3m32,859+17%added
Aquatic Capital Management LLC Hedge fund0.02%$636k15,685–new
Interval Partners, LP Hedge fund0.02%$666k16,443–new
Persistent Asset Partners Ltd Hedge fund0.02%$66.3k1,635–new
Prelude Capital Management, LLC Hedge fund0.02%$222k5,473–new
Weiss Asset Management LP Hedge fund0.01%$960k23,694–new
CenterBook Partners LP Hedge fund0.01%$207k5,106−85%reduced
Capstone Investment Advisors, LLC Hedge fund0.01%$1.0m25,094–new
Aristeia Capital, L.L.C. Hedge fund0.01%$416k10,255−38%reduced
AQR Capital Management LLC Hedge fund0.01%$18.2m449,040+15%added
Squarepoint Ops LLC Hedge fund0.0%$2.5m62,023+74%added
Millennium Management LLC Hedge fund0.0%$6.3m154,688–new
Marshall Wace, LLP Hedge fund0.0%$4.2m104,778–new
ExodusPoint Capital Management, LP Hedge fund0.0%$277k6,827–new
Renaissance Technologies LLC Hedge fund0.0%$1.8m44,792−47%reduced
Holocene Advisors, LP Hedge fund0.0%$1.0m25,369–new
CVA Family Office, LLC Family office0.0%$6.8k168+25%added
Two Sigma Investments, LP Hedge fund0.0%$595k14,681–new
D. E. Shaw & Co., Inc. Hedge fund0.0%$367k9,049–new
Freestone Grove Partners LP Hedge fund0.0%$13.5k333−72%reduced
Quarry LP Hedge fund0.0%$3248–new