NYSE : OII
$4.71 (9.81%)
3.52%
62
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0.00
change: -10.7121 | last: 0.1071141.75M
| Filing Date | Reporting Person | Amount Beneficially Owned | % of Class |
|---|---|---|---|
| 2026-05-12 | STATE STREET CORPORATION | 5.03M | 5.10% |
| 2026-04-30 | Vanguard Capital Management | 5.23M | 5.26% |
| 2026-04-29 | Vanguard Portfolio Management | 7.66M | 7.70% |
| 2026-03-27 | The Vanguard Group | - | 0.00% |
| 2025-07-17 | BlackRock, Inc. | 14.27M | 14.20% |
| 2025-05-15 | EARNEST PARTNERS LLC | 4.22M | 4.20% |
| 2025-04-18 | BROWN ADVISORY INC | 6.62M | 6.60% |
| 2025-04-10 | BROWN ADVISORY INC | 5.15M | 5.10% |
| 2025-02-06 | STATE STREET CORPORATION | 4.99M | 4.90% |
| 2024-01-24 | STATE STREET CORPORATION | 5.04M | 5.01% |
| 2022-02-10 | The Vanguard Group - 23-1945930 | 11.24M | 11.26% |
| 2022-01-27 | (1) BlackRock, Inc. | 18.82M | 18.90% |
| 2022-01-25 | (1) BlackRock, Inc. | 18.82M | 18.90% |
| 2021-02-12 | 30-0447847 | 4M | 4.00% |
| 2021-02-12 | 30-0447847 | 4M | 4.00% |
| 2021-01-25 | (1)Names of reporting persons. BlackRock, Inc. | 16.99M | 17.10% |
| 2020-02-12 | The Vanguard Group - 23-1945930 | 10.16M | 10.26% |
| 2019-12-10 | The Vanguard Group - 23-1945930 | 10.12M | 10.23% |
| 2019-01-31 | (1) BlackRock, Inc. | 11.61M | 11.80% |
| 2018-02-14 | Eaton Vance Management 04-3101341 | 1.92M | 11.00% |
| 2018-02-13 | FMR LLC | 14.74M | 15.00% |
| 2018-02-13 | Abigail P. Johnson | 14.74M | 15.00% |
| 2017-02-15 | Eaton Vance Management 04-3101341 | 5.27M | 11.00% |
| 2017-02-15 | Eaton Vance Management 04-3101341 | 5.27M | 11.00% |
| 2016-01-08 | (1) BlackRock, Inc. | 11.14M | 11.40% |
| 2015-01-09 | (1) BlackRock, Inc. | 12.01M | 11.40% |
| 2014-10-08 | (1) BlackRock, Inc. | 12.9M | 11.90% |
| 2014-02-14 | FMR LLC | 5.89M | 5.44% |
| 2014-02-14 | Edward C. Johnson 3d | 5.89M | 5.44% |
| 2014-01-30 | (1) BlackRock, Inc. | 8.5M | 7.90% |
| 2013-02-14 | Lone Pine Capital LLC | 4.78M | 4.40% |
| 2013-02-14 | Lone Pine Capital LLC | 4.78M | 4.40% |
| 2013-02-14 | Stephen F. Mandel, Jr. | 4.78M | 4.40% |
| 2013-02-13 | Capital World Investors ** | 3M | 2.80% |
| 2013-02-08 | (1) BlackRock, Inc. | 8.06M | 7.47% |
| 2012-05-10 | PRIMECAP Management Company 95-3868081 | 4.2M | 3.88% |
| 2012-02-14 | Lone Spruce, L.P. | 78201.0 | 0.10% |
| 2012-02-14 | Edward C. Johnson 3d | 6.25M | 5.78% |
| 2012-02-14 | FMR LLC | 6.25M | 5.78% |
| 2012-02-13 | (1) BlackRock, Inc. | 6.09M | 5.64% |
| 2011-10-03 | Lone Pine Associates LLC | 336.78K | 0.30% |
| 2011-10-03 | Lone Spruce, L.P. | 67005.0 | 0.10% |
| 2011-10-03 | Lone Balsam, L.P. | 146.99K | 0.10% |
| 2011-10-03 | Lone Balsam, L.P. | 146.99K | 0.10% |
| 2011-10-03 | Lone Sequoia, L.P. | 122.78K | 0.10% |
| 2011-10-03 | Lone Spruce, L.P. | 67005.0 | 0.10% |
| 2011-10-03 | Lone Cascade, L.P. | 2.55M | 2.40% |
| 2011-10-03 | Lone Sequoia, L.P. | 122.78K | 0.10% |
| 2011-10-03 | Lone Cascade, L.P. | 2.55M | 2.40% |
| 2011-10-03 | Lone Sierra, L.P. | 120.36K | 0.10% |
| 2011-10-03 | Lone Pine Members LLC | 2.68M | 2.50% |
| 2011-10-03 | Lone Pine Capital LLC | 3.03M | 2.80% |
| 2011-10-03 | Stephen F. Mandel, Jr. | 6.04M | 5.60% |
| 2011-10-03 | Lone Sierra, L.P. | 120.36K | 0.10% |
| 2011-10-03 | Lone Pine Associates LLC | 336.78K | 0.30% |
| 2011-10-03 | Lone Pine Members LLC | 2.68M | 2.50% |
| 2011-10-03 | Lone Pine Capital LLC | 3.03M | 2.80% |
| 2011-10-03 | Stephen F. Mandel, Jr. | 6.04M | 5.60% |
| 2011-02-07 | (1) BlackRock, Inc. | 2.98M | 5.51% |
| 2011-01-10 | FMR LLC | 5.51M | 10.18% |
| 2010-01-29 | BlackRock for purposes of Schedule 13G filings. | 4.29M | 7.82% |
| 2009-02-17 | FMR LLC | 2.71M | 4.98% |
| 2009-02-17 | Edward C. Johnson 3d | 2.71M | 4.98% |
| 2008-02-14 | FMR LLC | 6.18M | 11.23% |
| 2008-02-14 | Edward C. Johnson 3d | 6.18M | 11.23% |
| 2007-08-10 | FMR Corp. | 7.07M | 12.97% |
| 2007-08-10 | Edward C. Johnson 3d | 7.07M | 12.97% |
| 2007-02-14 | FMR Corp. | 2.87M | 5.30% |
| 2007-02-14 | Edward C. Johnson 3d | 2.87M | 5.30% |
| 2007-02-13 | 135521910 | 3.19M | 5.89% |
| 2007-02-13 | 061523639 | 3.19M | 5.89% |
| 2006-02-14 | c/o Elm Ridge Capital Management LLC | 659.3K | 2.47% |
| 2006-02-14 | 061523639 | 1.35M | 5.05% |
| 2005-11-10 | persons ( | 2.87M | 10.90% |
| 2005-05-04 | c/o Elm Ridge Capital Management, LLC | 1.34M | 5.16% |
| 2004-08-10 | Strong Capital Management, Inc. 39-1213042 | 1.02M | 4.10% |
| 2004-02-17 | Edward C. Johnson 3d | 1.84M | 7.57% |
| 2004-02-17 | Abigail P. Johnson | 1.84M | 7.57% |
| 2004-02-17 | FMR Corp. | 1.84M | 7.57% |
| 2003-02-14 | Edward C. Johnson 3d | 1.82M | 7.35% |
| 2003-02-14 | FMR Corp. | 1.82M | 7.35% |
| 2003-02-14 | Abigail P. Johnson | 1.82M | 7.35% |
| 2003-02-12 | BARCLAYS BANK PLC | - | 0.00% |
| 2003-02-12 | BARCLAYS LIFE ASSURANCE COMPANY LIMITED | - | 0.00% |
| 2003-02-12 | BARCLAYS PRIVATE BANK & TRUST (ISLE OF MAN) LIMITED | - | 0.00% |
| 2003-02-12 | BARCLAYS CAPITAL INVESTMENTS | - | 0.00% |
| 2003-02-12 | BARCLAYS CAPITAL SECURITIES LIMITED | - | 0.00% |
| 2003-02-12 | BARCLAYS PRIVATE BANK AND TRUST LIMITED (Sussie) | - | 0.00% |
| 2003-02-12 | BARCLAYS BANK TRUST COMPANY LIMITED | - | 0.00% |
| 2003-02-12 | BARCLAYS TRUST AND BANKING COMPANY (JAPAN) LIMITED | - | 0.00% |
| 2003-02-12 | BARCLAYS GLOBAL INVESTORS, LTD | - | 0.00% |
| 2003-02-12 | BARCLAYS GLOBAL FUND ADVISORS | 367.07K | 1.48% |
| 2003-02-12 | 943112180 | 878.46K | 3.55% |
| 2003-02-12 | BARCLAYS PRIVATE BANK AND TRUST (JERSEY) LIMITED | - | 0.00% |
| 2003-02-05 | The TCW Group, Inc., on behalf of the TCW Business Unit | 575.7K | 2.30% |
| 2002-02-14 | Edward C. Johnson 3d | 1.26M | 5.35% |
| 2002-02-14 | Abigail P. Johnson | 1.26M | 5.35% |
| 2002-02-14 | FMR Corp. | 1.26M | 5.35% |
| 2002-02-13 | The TCW Group, Inc., on behalf of the TCW Business Unit | 1.42M | 6.00% |
| 2002-02-12 | 13-5521910 | 1.58M | 6.67% |
| 1999-02-12 | 31-6159380 | 989.9K | 4.39% |
| 1999-02-09 | 13-5521910 | 1.24M | 5.50% |
| 1998-02-12 | Joseph Cohen | 1.25M | 5.34% |
| 1998-02-12 | 13-5521910 | 1.13M | 4.82% |
| 1998-02-12 | Cowen & Company | 1.25M | 5.34% |
| 1998-02-12 | Cowen Incorporated | 1.25M | 5.34% |
| 1997-02-12 | Cowen & Company | 1.67M | 7.00% |
| 1997-02-12 | Cowen Incorporated | 1.67M | 7.00% |
| 1997-02-12 | Joseph Cohen | 1.67M | 7.00% |
| 1997-02-03 | 39-6006423 | - | 0.00% |
| 1996-02-02 | 39-6006423 | 2.25M | 9.73% |
| 1995-03-03 | 39-6006423 | 1.39M | 5.80% |
| 1995-02-10 | 04-2507163) | 880K | 3.66% |
| 1995-02-10 | ###-##-####) | 880K | 3.66% |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2025-12-31 | $24.03 | 101.26M | $2.43B | $688.87M | $487.42M | $2.23B |
| 2024-12-31 | $26.08 | 101.18M | $2.64B | $497.52M | $851.75M | $2.99B |
| 2023-12-31 | $21.28 | 100.7M | $2.14B | $461.57M | $848.66M | $2.53B |
| 2022-12-31 | $17.49 | 100.18M | $1.75B | $568.74M | $872.4M | $2.06B |
| 2021-12-31 | $11.31 | 99.71M | $1.13B | $538.11M | $879.35M | $1.47B |
| 2020-12-31 | $7.95 | 99.23M | $788.9M | $452.02M | $980.12M | $1.32B |
| 2019-12-31 | $14.91 | 98.88M | $1.47B | $373.66M | $977.37M | $2.08B |
| 2018-12-31 | $12.10 | 98.5M | $1.19B | $354.26M | $786.58M | $1.62B |
| 2017-12-31 | $21.14 | 98.28M | $2.08B | $430.32M | $792.31M | $2.44B |
| 2016-12-31 | $28.21 | 98.07M | $2.77B | $450.19M | $793.06M | $3.11B |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2026-06-30 | $40.52 | 99.53M | $4.03B | $629.47M | $707.79M | $4.11B |
| 2026-03-31 | $35.47 | 99.53M | $3.53B | $607.47M | $848.83M | $3.77B |
| 2025-12-31 | $24.03 | 100.76M | $2.42B | $688.87M | $487.42M | $2.22B |
| 2025-09-30 | $24.78 | 100.02M | $2.48B | $505.99M | $899.92M | $2.87B |
| 2025-06-30 | $20.72 | 100.56M | $2.08B | $434.05M | $804.14M | $2.45B |
| 2025-03-31 | $21.81 | 100.75M | $2.2B | $381.98M | $832.91M | $2.65B |
| 2024-12-31 | $26.08 | 101.18M | $2.64B | $497.52M | $851.75M | $2.99B |
| 2024-09-30 | $24.87 | 101.42M | $2.52B | $451.86M | $880.39M | $2.95B |
| 2024-06-30 | $23.52 | 101.02M | $2.38B | $382.87M | $893.22M | $2.89B |
| 2024-03-31 | $23.45 | 101.02M | $2.37B | $354.7M | $912.08M | $2.93B |
| 2023-12-31 | $21.28 | 100.8M | $2.15B | $461.57M | $848.66M | $2.53B |
| 2023-09-30 | $25.72 | 100.78M | $2.59B | $556.43M | $1.03B | $3.07B |