Oceaneering Ownership | Who Owns Oceaneering?
Oceaneering Ownership Summary
Oceaneering is owned by 95.28% institutional investors, 8.07% insiders. Blackrock funding, inc. /de is the largest institutional shareholder, holding 16.88% of OII shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.04% of its assets in Oceaneering shares.
OII Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Oceaneering | 95.28% | 8.07% | -3.35% |
| Sector | Energy Stocks | 42.55% | 14.74% | 42.71% |
| Industry | Oil & Gas Equipment & Services Stocks | 53.28% | 12.23% | 34.49% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 17.06M | 16.88% | $444.85M |
| Blackrock | 15.81M | 15.65% | $374.10M |
| Vanguard group | 12.48M | 12.35% | $325.49M |
| Earnest partners | 5.44M | 5.38% | $141.81M |
| Brown advisory | 5.13M | 5.08% | $133.78M |
| State street | 5.11M | 5.06% | $120.99M |
| Neuberger berman group | 4.81M | 4.76% | $125.36M |
| American century companies | 2.84M | 2.81% | $74.11M |
| Greenhouse funds lllp | 2.69M | 2.66% | $70.15M |
| Dimensional fund advisors lp | 2.67M | 2.64% | $69.50M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Keating investment counselors | 393.03K | 3.20% | $10.25M |
| Greenhouse funds lllp | 2.69M | 2.93% | $70.15M |
| Goehring & rozencwajg associates | 460.19K | 2.33% | $11.33M |
| West tower group | 27.00K | 1.56% | $704.16K |
| Ranger investment management | 906.47K | 1.49% | $23.64M |
| Sagefield capital lp | 526.32K | 1.49% | $13.73M |
| Glenorchy capital | 76.85K | 1.17% | $2.00M |
| Aristotle capital boston | 1.47M | 1.17% | $34.73M |
| Sheets smith investment management | 47.46K | 1.05% | $1.24M |
| Old west investment management | 60.00K | 0.63% | $1.56M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Brown advisory | 5.13M | 0.17% | 941.85K |
| Fil | 723.30K | 0.02% | 723.30K |
| Blackrock funding, inc. /de | 17.06M | 0.01% | 586.31K |
| Goldman sachs group | 936.58K | 0.00% | 434.27K |
| Ubs group | 534.55K | 0.00% | 388.77K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 1.45M | 0.00% | -1.44M |
| Sourcerock group | - | - | -1.29M |
| Hennessy advisors | - | - | -1.28M |
| Earnest partners | 5.44M | 0.63% | -500.39K |
| Agf management | - | - | -495.76K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Fil | 723.30K | 0.02% | 723.30K | $18.86M |
| Cubist systematic strategies | 325.54K | 0.05% | 325.54K | $8.49M |
| Norges bank | 238.40K | 0.00% | 238.40K | $6.22M |
| Tudor investment corp et al | 81.25K | 0.01% | 81.25K | $1.92M |
| Raymond james financial | 67.07K | 0.00% | 67.07K | $1.75M |
Sold Out
| Holder | Change |
|---|---|
| Cullen/frost bankers | -4.00 |
| Allspring global investments | -13.00 |
| Nelson, van denburg & campbell wealth management group | -20.00 |
| Concord wealth partners | -30.00 |
| Group one trading | -37.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 287 | -1.37% | 95,995,193 | -4.49% | 95 | 0.96% | 148 | -8.07% | 108 | 17.39% |
| Dec 31, 2024 | 286 | 9.58% | 100,472,902 | -0.17% | 99 | 1.00% | 159 | 29.27% | 89 | -9.18% |
| Sep 30, 2024 | 260 | 8.79% | 100,639,707 | 0.57% | 99 | 1.01% | 122 | 1.67% | 98 | 24.05% |
| Jun 30, 2024 | 236 | -0.42% | 100,056,414 | 5.10% | 99 | 1.12% | 117 | 5.41% | 79 | -13.19% |
| Mar 31, 2024 | 237 | -0.42% | 95,197,797 | 0.83% | 94 | 1.07% | 111 | -2.63% | 91 | -1.09% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.08M | 6.04% | -3.40K |
| Vanguard Total Stock Mkt Idx Inv | 3.27M | 3.25% | 72.30K |
| Vanguard US Total Market Shares ETF | 3.18M | 3.15% | 3.78K |
| Avantis US Small Cap Value ETF | 2.71M | 2.69% | 3.65K |
| iShares Russell 2000 ETF | 2.61M | 2.60% | 1.28K |
| Vanguard Small Cap Index | 2.53M | 2.51% | 11.50K |
| Neuberger Berman Genesis Inv | 2.52M | 2.49% | -591.91K |
| Harbor Small Cap Value Instl | 1.76M | 1.74% | -12.34K |
| Vanguard Institutional Extnd Mkt Idx Tr | 1.57M | 1.56% | 2.02K |
| Vanguard Small Cap Growth Index Inv | 1.40M | 1.40% | -7.76K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 22, 2025 | Beachy Karen H | - | Sell | $100.38K |
| Nov 07, 2024 | GRANATO LEONARDO P | SVP, IMDS | Sell | $56.24K |
| Sep 10, 2024 | Beachy Karen H | - | Sell | $75.70K |
| Aug 20, 2024 | MCEVOY M KEVIN | - | Sell | $252.71K |
| Aug 15, 2024 | Curtis Alan R | SVP and CFO | Sell | $575.63K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | 1 |
| 2025 Q1 | - | - |
| 2024 Q4 | - | 1 |
| 2024 Q3 | - | 4 |
| 2024 Q2 | - | - |
OII Ownership FAQ
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