International Business Machines Corporation (IBM) Shareholders & Insider Trades
International Business Machines shareholders at a glance
The largest holder of International Business Machines stock is Vanguard Capital Management LLC, with 61.4 million shares (6.52% of the company), worth about $14.36 billion as of September 25, 2026. The 10 largest holders together own 32.4%.
In Q2 2026, 3,818 institutional holdings reports listed shares worth $175.00 billion.
Insiders reported 58 transactions in the last two years: 3 sales worth $13.25 million and 5 purchases. The newest one on file is from August 26, 2026 (Thomas Robert David, Officer).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through August 26, 2026.
International Business Machines Corporation
Shareholders Summary
2026Q2
Ownership by Type
Geographic Distribution
Largest International Business Machines shareholders
| Holder | Shares | % of company | Value |
|---|---|---|---|
| Vanguard Capital Management LLC | 61.4 million | 6.52% | $14.4B |
| BlackRock Advisors LLC | 58.4 million | 6.19% | $13.6B |
| State Street Corporation | 56.0 million | 5.95% | $13.1B |
| Vanguard Portfolio Management LLC | 28.3 million | 3.01% | $6.6B |
| Geode Capital Management LLC | 23.4 million | 2.49% | $5.5B |
| Eaton Vance Management | 17.5 million | 1.85% | $4.1B |
| Ishares (DE) InvAG mit Teilgesellschaftsvermogen | 16.6 million | 1.77% | $3.9B |
| Capital Research & Management Co. (World Investors) | 16.2 million | 1.72% | $3.8B |
| Merrill Lynch International | 15.0 million | 1.59% | $3.5B |
| JPMorgan Investment Management, Inc. | 12.4 million | 1.32% | $2.9B |
As of September 25, 2026.
International Business Machines institutional holdings by quarter
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 3,818 | – | $175.0B |
| Q1 2026 | 3,640 | 593.0 million | $144.0B |
| Q4 2025 | 3,856 | 603.0 million | $178.0B |
| Q3 2025 | 3,583 | 596.0 million | $168.0B |
| Q2 2025 | 3,566 | 594.0 million | $174.0B |
| Q1 2025 | 3,409 | 587.0 million | $146.0B |
| Q4 2024 | 3,304 | 576.0 million | $132.0B |
| Q3 2024 | 3,096 | 584.0 million | $134.0B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
International Business Machines insider trades
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Thomas Robert David | Aug 26, 2026 | Officer | Sale at price 230.32 per share. | $5.8M |
| Robinson Anne | Jul 1, 2026 | Officer | -- | – |
| Fehring Nicolas A. | Jun 4, 2026 | Officer | Stock Gift at price 0.00 per share. | – |
| Howard Michelle J. | Feb 25, 2026 | Director | Purchase at price 237.83 per share. | $11,891 |
| Miebach Michael | Feb 25, 2026 | Director | Purchase at price 233.33 per share. | $101,264 |
| Thomas Robert David | Feb 20, 2026 | Officer | -- | – |
| Lamoreaux Nickle Jaclyn | Feb 20, 2026 | Officer | -- | – |
| Fehring Nicolas A. | Feb 20, 2026 | Officer | -- | – |
| Kavanaugh James J. | Feb 20, 2026 | Chief Financial Officer | -- | – |
| Krishna Arvind | Feb 20, 2026 | Chief Executive Officer | -- | – |
| Cohn Gary D | Feb 20, 2026 | Officer | -- | – |
| Thomas Robert David | Feb 18, 2026 | Officer | -- | – |
Newest 12 of 58 insider transactions in the last two years.
Questions and answers
Who owns the most International Business Machines stock?
Vanguard Capital Management LLC, with 6.52% of the company (as of September 25, 2026). Next: BlackRock Advisors LLC (6.19%) and State Street Corporation (5.95%).
How many institutions own International Business Machines stock?
3,818 institutional holdings reports listed International Business Machines shares in Q2 2026 worth $175.00 billion.
Are International Business Machines insiders buying or selling the stock?
In the last two years insiders reported 3 sales and 5 purchases (58 transactions in all); the newest on file is from August 26, 2026.
