Security record · archived quarter
OII
Oceaneering International, Inc. · Energy · Oil & Gas Equipment & Services
114Tracked holders
+9Δ holders
69.23MShares held
$2.45BReported value
+14New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +8.6% ·
share flow +0.2% ·
net new positions +7.9%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 112 | +3 | 70.55M | $2.86B | +13 | −12 |
| Q1 2026 | 114 | +9 | 69.23M | $2.45B | +14 | −5 |
| Q4 2025 | 104 | +1 | 76.40M | $1.84B | +1 | — |
| Q3 2025 | 17 | 0 | 40.72M | $1.01B | — | −1 |
| Q2 2025 | 15 | -1 | 38.01M | $787.64M | +1 | −2 |
| Q1 2025 | 13 | +2 | 9.06M | $197.65M | +2 | — |
| Q4 2024 | 11 | +1 | 8.61M | $224.68M | +3 | −2 |
| Q3 2024 | 9 | +1 | 3.59M | $89.35M | +1 | — |
| Q2 2024 | 8 | — | 3.61M | $85.51M | — | — |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 16.35M | +2.2% | $579.89M | 0.0% | ▲ Add | 4 | SEC ↗ ×16 |
| 2 | Brown Advisory Inc | 5.79M | -22.1% | $205.32M | 0.3% | ▼ Trim | 2 | SEC ↗ ×4 |
| 3 | State Street Global Advisors ✦ (passive) | 5.03M | +8.3% | $178.56M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 4 | Vanguard Capital Management Llc | 4.48M | — | $158.86M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | American Century Companies Inc | 3.77M | +4.4% | $133.60M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 6 | Dimensional Fund Advisors Lp | 3.46M | -0.4% | $122.78M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 7 | Neuberger Berman Group LLC | 3.22M | -3.5% | $114.15M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 8 | Geode Capital Management ✦ (passive) | 2.38M | +3.1% | $84.31M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 9 | Loomis Sayles & Co L P | 1.70M | -7.2% | $60.31M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 10 | Charles Schwab Investment… | 1.38M | -4.1% | $49.06M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 1.30M | +1178.5% | $45.94M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 12 | Northern Trust Corp | 1.27M | +4.2% | $44.97M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 13 | Royal Bank Of Canada | 1.05M | -14.2% | $37.18M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 14 | Morgan Stanley ✦ | 1.04M | -0.1% | $36.90M | 0.0% | ▼ Trim | 3 | SEC ↗ ×13 |
| 15 | Goldman Sachs Group ✦ | 999.89K | -21.5% | $35.47M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 16 | Boston Partners | 854.94K | New | $30.34M | 0.0% | New | 1 | SEC ↗ ×3 |
| 17 | Franklin Resources Inc | 828.37K | +85.7% | $29.38M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 18 | Fisher Asset Management ✦ | 792.27K | -0.1% | $28.10M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 19 | Bank of New York Mellon Corp | 755.27K | -1.9% | $26.79M | 0.0% | ▼ Trim | 2 | SEC ↗ ×10 |
| 20 | Invesco Ltd. | 701.66K | +17.5% | $24.89M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 21 | Federated Hermes, Inc. | 688.22K | +526.2% | $24.41M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 22 | Massachusetts Financial Services Co… | 681.60K | New | $24.18M | 0.0% | New | 1 | SEC ↗ |
| 23 | Schroder Investment Management Group | 604.22K | — | $21.43M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 24 | Qube Research & Technologies Ltd | 588.32K | -49.5% | $20.87M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 25 | Principal Financial Group Inc | 585.36K | +1.5% | $20.76M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 26 | JPMorgan Chase ✦ | 529.10K | +4.2% | $18.23M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 27 | Sei Investments Co | 440.69K | +5.2% | $15.63M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 28 | First Trust Advisors Lp | 435.18K | -22.6% | $15.44M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 29 | Nuveen, LLC | 435.15K | -37.9% | $15.43M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 30 | AQR Capital Management ✦ | 392.15K | +5.2% | $13.91M | 0.0% | ▲ Add | 8 | SEC ↗ ×6 |
| 31 | Storebrand Asset Management As | 366.19K | New | $12.99M | 0.0% | New | 1 | SEC ↗ |
| 32 | Fidelity (FMR) ✦ | 345.53K | +28.1% | $12.26M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 33 | GAMCO Investors ✦ | 338.30K | -1.0% | $12.00M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 34 | UBS Group AG | 315.83K | -31.1% | $11.20M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 35 | UBS AM, a distinct business unit of… | 299.57K | +3.0% | $10.63M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 36 | Barclays Plc | 298.71K | -28.3% | $10.60M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 37 | Envestnet Asset Management Inc | 279.71K | +22.3% | $9.92M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | Bank Of America Corp /De/ | 261.23K | -58.4% | $9.27M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 39 | Russell Investments Group, Ltd. | 245.46K | -8.5% | $8.71M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 40 | Legal & General Group Plc | 233.93K | -7.9% | $8.30M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 41 | Rhumbline Advisers | 233.83K | +3.2% | $8.29M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | Prudential Financial Inc | 220.87K | -14.8% | $7.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 43 | Janus Henderson Group Plc | 217.25K | +393.6% | $7.71M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 44 | Bnp Paribas Financial Markets | 207.34K | +6.9% | $7.35M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Ameriprise Financial Inc | 200.97K | -4.6% | $7.13M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 46 | Swiss National Bank | 197.55K | 0.0% | $7.01M | 0.0% | Held | 2 | SEC ↗ |
| 47 | Wells Fargo & Company/Mn | 182.72K | -31.3% | $6.48M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 48 | California State Teachers… | 119.62K | +27.9% | $4.24M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | BNP Paribas Asset Management… | 117.75K | -0.7% | $4.18M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 50 | State Of Wisconsin Investment Board | 112.32K | -57.0% | $3.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 51 | Mitsubishi UFJ Asset Management… | 101.13K | +19.8% | $3.59M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Alliancebernstein L.P. | 145.53K | +30.1% | $3.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | New York State Common Retirement… | 91.57K | +24.7% | $3.25M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Deutsche Bank Ag\ | 88.10K | +11.6% | $3.12M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 55 | Renaissance Technologies ✦ | 85.00K | +202.5% | $3.01M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 56 | Citadel Advisors ✦ | 78.38K | +24.9% | $2.78M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 57 | Susquehanna International Group, Llp | 72.14K | +25.4% | $2.56M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | Gotham Asset Management ✦ | 65.93K | +42.1% | $2.34M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | Walleye Trading LLC | 64.24K | New | $2.28M | 0.0% | New | 1 | SEC ↗ |
| 60 | Jennison Associates Llc | 60.01K | -31.7% | $2.13M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | State Board Of Administration Of… | 57.79K | +29.9% | $2.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Voya Investment Management Llc | 52.85K | +7.2% | $1.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Creative Planning | 49.67K | +56.1% | $1.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Raymond James Financial Inc | 49.53K | +1.7% | $1.76M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 65 | Connor, Clark & Lunn Investment… | 48.33K | New | $1.71M | 0.0% | New | 1 | SEC ↗ |
| 66 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 46.34K | +0.9% | $1.64M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Manufacturers Life Insurance… | 44.89K | -3.0% | $1.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Zurcher Kantonalbank (Zurich… | 42.92K | +40.9% | $1.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | Jane Street Group, Llc | 41.03K | -2.0% | $1.46M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 70 | Victory Capital Management Inc | 38.43K | +7.3% | $1.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Squarepoint Ops LLC | 35.55K | -66.8% | $1.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Mariner, LLC | 32.21K | +3.0% | $1.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | HighTower Advisors, LLC | 30.31K | +163.0% | $1.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | Fifth Third Bancorp | 29.53K | +6782.5% | $1.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | Tidal Investments LLC | 27.87K | +29.9% | $988,478 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 76 | Sumitomo Mitsui Trust Group, Inc. | 27.02K | +3.4% | $958,328 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | Man Group plc | 24.18K | +25.0% | $857,594 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 78 | Universal- Beteiligungs- und… | 22.96K | New | $814,357 | 0.0% | New | 1 | SEC ↗ |
| 79 | Cwm, Llc | 20.81K | +4.2% | $738,131 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Citigroup Inc | 19.81K | -29.4% | $702,696 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 81 | Quantinno Capital Management LP | 18.59K | +13.1% | $659,316 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 82 | Osaic Holdings, Inc. | 18.29K | -33.3% | $648,601 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | Wealth Enhancement Advisory… | 23.75K | +1.8% | $606,950 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Truist Financial Corp | 16.61K | New | $589,051 | 0.0% | New | 1 | SEC ↗ ×2 |
| 85 | Pictet Asset Management Holding SA | 16.34K | +32.6% | $579,757 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 86 | ProShare Advisors LLC | 15.39K | -19.9% | $545,989 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 87 | Captrust Financial Advisors | 14.86K | +3.0% | $527,225 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 88 | Balyasny Asset Management L.P. | 14.76K | +45.8% | $523,608 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | Bank Of Montreal /Can/ | 14.43K | -4.6% | $511,938 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 90 | Lido Advisors, LLC | 13.74K | +13.1% | $487,287 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 91 | Canada Pension Plan Investment Board | 13.40K | -48.3% | $475,298 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 92 | LPL Financial LLC | 12.35K | -69.5% | $438,196 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 93 | Corient Private Wealth LP | 10.82K | -56.8% | $383,645 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 94 | Mml Investors Services, Llc | 10.65K | New | $377,834 | 0.0% | New | 1 | SEC ↗ |
| 95 | Amundi | 10.53K | New | $373,357 | 0.0% | New | 1 | SEC ↗ |
| 96 | DZ BANK AG Deutsche Zentral… | 10.00K | New | $354,699 | 0.0% | New | 1 | SEC ↗ |
| 97 | Blair William & Co/Il | 9.91K | -0.2% | $351,508 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 98 | Cerity Partners LLC | 9.73K | +2.0% | $344,981 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 99 | Pnc Financial Services Group, Inc. | 9.72K | -9.3% | $344,805 | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 100 | Mercer Global Advisors Inc /Adv | 9.18K | New | $325,508 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Boston Partners | $30.34M | 0.0% |
| Massachusetts Financial… | $24.18M | 0.0% |
| Storebrand Asset Management As | $12.99M | 0.0% |
| Walleye Trading LLC | $2.28M | 0.0% |
| Connor, Clark & Lunn… | $1.71M | 0.0% |
| Universal- Beteiligungs- und… | $814,357 | 0.0% |
| Truist Financial Corp | $589,051 | 0.0% |
| Mml Investors Services, Llc | $377,834 | 0.0% |
| Amundi | $373,357 | 0.0% |
| DZ BANK AG Deutsche Zentral… | $354,699 | 0.0% |
| Mercer Global Advisors Inc… | $325,508 | 0.0% |
Exited
| Point72 Asset Management | $16.80M | was 0.0% |
| Tudor Investment Corp Et Al | $12.97M | was 0.1% |
| Millennium Management | $2.12M | was 0.0% |
| D. E. Shaw & Co. | $1.86M | was 0.0% |
| Optiver Holding B.V. | $1,346 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 362 holders, 101.15M shares, $3.43B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 07
MURPHY PAUL B JR
Director · 10.00K sh · $483,690
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 14
SC 13G/A — BROWN ADVISORY INC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
Get this via the API