Oceaneering Ownership | Who Owns Oceaneering?
Oceaneering Ownership Summary
Oceaneering is owned by 95.11% institutional investors, 8.09% insiders. Blackrock funding, inc. /de is the largest institutional shareholder, holding 15.67% of OII shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.97% of its assets in Oceaneering shares.
OII Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Oceaneering | 95.11% | 8.09% | -3.21% |
| Sector | Energy Stocks | 108.48% | 14.45% | -22.93% |
| Industry | Oil & Gas Equipment & Services Stocks | 67.79% | 12.15% | 20.06% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 15.76M | 15.67% | $326.49M |
| Blackrock | 15.81M | 15.65% | $374.10M |
| Vanguard group | 12.48M | 12.35% | $325.49M |
| Brown advisory | 7.35M | 7.30% | $152.20M |
| Earnest partners | 5.44M | 5.38% | $141.81M |
| State street | 5.11M | 5.06% | $120.99M |
| Neuberger berman group | 4.81M | 4.76% | $125.36M |
| American century companies | 3.37M | 3.35% | $69.83M |
| Dimensional fund advisors lp | 2.67M | 2.64% | $69.50M |
| Greenhouse funds lllp | 2.49M | 2.48% | $51.63M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Keating investment counselors | 385.02K | 2.41% | $7.98M |
| Goehring & rozencwajg associates | 460.19K | 2.33% | $11.33M |
| Greenhouse funds lllp | 2.49M | 2.13% | $51.63M |
| West tower group | 27.00K | 1.94% | $669.06K |
| Ranger investment management | 906.47K | 1.49% | $23.64M |
| Old west investment management | 196.64K | 1.34% | $4.07M |
| Glenorchy capital | 76.85K | 1.17% | $2.00M |
| Sagefield capital lp | 404.85K | 1.17% | $8.39M |
| Sheets smith investment management | 47.46K | 1.05% | $1.24M |
| Aristotle capital boston | 870.57K | 0.92% | $18.04M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Balyasny asset management | 1.36M | 0.04% | 1.23M |
| Brown advisory | 7.35M | 0.20% | 799.72K |
| Goldman sachs group | 936.58K | 0.00% | 434.27K |
| Ubs group | 534.55K | 0.00% | 388.77K |
| Cubist systematic strategies | 325.54K | 0.05% | 325.54K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Congress asset management co /ma | - | - | -1.79M |
| Fmr | 1.45M | 0.00% | -1.44M |
| Sourcerock group | - | - | -1.29M |
| Hennessy advisors | - | - | -1.28M |
| Blackrock funding, inc. /de | 15.76M | 0.01% | -879.13K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Cubist systematic strategies | 325.54K | 0.05% | 325.54K | $8.49M |
| Norges bank | 238.40K | 0.00% | 238.40K | $6.22M |
| Point72 asset management | 175.00K | 0.01% | 175.00K | $3.63M |
| Hrt financial lp | 100.46K | 0.01% | 100.46K | $2.08M |
| Annex advisory services | 53.60K | 0.03% | 53.60K | $1.33M |
Sold Out
| Holder | Change |
|---|---|
| Harbour investments | -6.00 |
| Global financial private client | -9.00 |
| Allspring global investments | -13.00 |
| Nelson, van denburg & campbell wealth management group | -20.00 |
| Barrow hanley mewhinney & strauss | -25.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 288 | -0.69% | 95,645,355 | -0.39% | 95 | 1.05% | 160 | 7.38% | 98 | -9.26% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.98M | 5.97% | - |
| Vanguard Total Stock Mkt Idx Inv | 3.19M | 3.18% | -101.70K |
| Vanguard US Total Market Shares ETF | 3.18M | 3.15% | 3.78K |
| Avantis US Small Cap Value ETF | 2.93M | 2.92% | 6.12K |
| Vanguard Small Cap Index | 2.44M | 2.44% | -15.56K |
| Neuberger Berman Genesis Inv | 2.34M | 2.33% | -173.55K |
| iShares Russell 2000 ETF | 2.30M | 2.30% | - |
| Harbor Small Cap Value Instl | 1.67M | 1.66% | -85.06K |
| Vanguard Small Cap Growth Index Inv | 1.37M | 1.37% | -6.95K |
| Hennessy Cornerstone Mid Cap 30 Inv | 1.28M | 1.26% | 158.80K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Sep 02, 2025 | MURPHY PAUL B JR | - | Sell | $242.50K |
| Aug 27, 2025 | Curtis Alan R | SVP and CFO | Sell | $361.47K |
| 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 |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | - | 2 |
| 2025 Q2 | - | 1 |
| 2025 Q1 | - | - |
| 2024 Q4 | - | 1 |
| 2024 Q3 | - | 4 |
OII Ownership FAQ
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