International Business Machines Corporation (IBM) Ownership
IBM ownership summary
as of October 18, 2026- Institutions
- 66.6% of shares outstanding
- Insiders
- 0.10% of shares outstanding
- Shares outstanding
- 942.1M
- Float
- 940.2M shares available to trade
- Short interest
- 2.85% 24.2M shares short
- Days to cover
- 4.42 short interest up 9.8% vs prior month
- Institutions 66.60%
- Insiders 0.10%
- Other investors 33.29%
IBM top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 8.15% | 76.8M | $17.82B | −802,472 (−1.0%) | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 6.52% | 61.4M | $14.25B | +539,761 (+0.9%) | June 30, 2026 |
| 3 | State Street Corp | 5.95% | 56.0M | $13.01B | +1.5M (+2.7%) | June 30, 2026 |
| 4 | Vanguard Portfolio Management, LLC | 3.01% | 28.3M | $6.58B | +687,429 (+2.5%) | June 30, 2026 |
| 5 | Geode Capital Management, LLC | 2.49% | 23.4M | $5.44B | +372,171 (+1.6%) | June 30, 2026 |
| 6 | Morgan Stanley - Brokerage Accounts | 1.85% | 17.5M | $4.05B | −2.2M (−11.1%) | June 30, 2026 |
| 7 | Capital World Investors | 1.72% | 16.2M | $3.76B | −854,548 (−5.0%) | June 30, 2026 |
| 8 | Bank of America Corp | 1.59% | 15.0M | $3.48B | −1.1M (−6.7%) | June 30, 2026 |
| 9 | JPMorgan Chase & Co | 1.32% | 12.4M | $2.89B | −6.1M (−32.9%) | June 30, 2026 |
| 10 | Northern Trust Corp | 1.09% | 10.2M | $2.37B | −77,057 (−0.7%) | June 30, 2026 |
| 11 | Bank of New York Mellon Corp | 0.98% | 9.3M | $2.15B | +2.1M (+29.3%) | June 30, 2026 |
| 12 | NORGES BANK | 0.89% | 8.4M | $1.95B | +157,236 (+1.9%) | June 30, 2026 |
| 13 | UBS Asset Mgmt Americas Inc | 0.81% | 7.6M | $1.77B | +53,388 (+0.7%) | June 30, 2026 |
| 14 | FMR Inc | 0.79% | 7.4M | $1.73B | +2.2M (+41.7%) | June 30, 2026 |
| 15 | Charles Schwab Investment Management Inc | 0.76% | 7.1M | $1.66B | +392,141 (+5.8%) | June 30, 2026 |
| 16 | The Goldman Sachs Group Inc | 0.74% | 6.9M | $1.61B | −63,649 (−0.9%) | June 30, 2026 |
| 17 | Legal & General Group PLC | 0.71% | 6.7M | $1.55B | −247,386 (−3.6%) | June 30, 2026 |
| 18 | Wellington Management Company LLP | 0.70% | 6.5M | $1.52B | +6.3M (+2,362.2%) | June 30, 2026 |
| 19 | Dimensional Fund Advisors, Inc. | 0.59% | 5.6M | $1.30B | +446,759 (+8.7%) | June 30, 2026 |
| 20 | Amundi | 0.58% | 5.5M | $1.27B | +690,901 (+14.5%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 15.4M shares and 8 cut 11.4M.
IBM top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 3.17% | 29.9M | $6.93B | −59,290 (−0.2%) | August 31, 2026 |
| 2 | Vanguard 500 Index Investor | 2.63% | 24.7M | $5.74B | −229,340 (−0.9%) | September 30, 2026 |
| 3 | iShares Core S&P 500 ETF | 1.33% | 12.6M | $2.91B | −20,202 (−0.2%) | September 30, 2026 |
| 4 | Fidelity 500 Index | 1.29% | 12.2M | $2.83B | +46,859 (+0.4%) | August 31, 2026 |
| 5 | State Street® SPDR® S&P 500® ETF | 1.23% | 11.6M | $2.68B | — | September 30, 2026 |
| 6 | Vanguard MStar Value Index Investor | 0.95% | 9.0M | $2.08B | −10,388 (−0.1%) | September 30, 2026 |
| 7 | State Street®TechSelSectSPDR®ETF | 0.72% | 6.8M | $1.58B | +4,184 (+0.1%) | September 30, 2026 |
| 8 | Vanguard Information Technology ETF | 0.67% | 6.3M | $1.46B | +14,427 (+0.2%) | September 30, 2026 |
| 9 | Vanguard Dividend Appreciation ETF | 0.57% | 5.3M | $1.24B | +9,931 (+0.2%) | September 30, 2026 |
| 10 | State Street®SPDR®DowJonesIndstrAvgETFTr | 0.54% | 5.1M | $1.19B | −44,505 (−0.9%) | September 30, 2026 |
| 11 | Vanguard Institutional Index I | 0.53% | 5.0M | $1.16B | −41,139 (−0.8%) | September 30, 2026 |
| 12 | Vanguard High Dividend Yield ETF | 0.41% | 3.8M | $888.4M | +10,451 (+0.3%) | September 30, 2026 |
| 13 | American Funds American Balanced A | 0.39% | 3.7M | $851.4M | −1.2M (−24.0%) | September 30, 2026 |
| 14 | American Funds Washington Mutual A | 0.34% | 3.2M | $753.7M | −1.2M (−27.8%) | September 30, 2026 |
| 15 | Vanguard Wellington Inv | 0.30% | 2.8M | $652.6M | +2.8M (0.0%) | June 30, 2026 |
| 16 | iShares Core Dividend Growth ETF | 0.28% | 2.6M | $615.2M | +476 (+0.0%) | September 30, 2026 |
| 17 | JPMorgan Equity Income I | 0.27% | 2.5M | $584.2M | +471,287 (+23.0%) | August 31, 2026 |
| 18 | State Street® SPDR® Port S&P 500® ETF | 0.26% | 2.5M | $575.0M | −1,664 (−0.1%) | September 30, 2026 |
| 19 | Columbia Dividend Income Inst | 0.25% | 2.4M | $556.3M | −4,500 (−0.2%) | August 31, 2026 |
| 20 | iShares Core S&P 500 ETF USD Acc | 0.24% | 2.2M | $521.7M | +520 (+0.0%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
IBM insider transactions
latest 16| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-30 | Ro Khanna | Sell | $237.17 | — | — |
| 2026-03-23 | Ro Khanna | Sell | $248.38 | — | — |
| 2026-03-13 | Gilbert Ray Cisneros, Jr. | Sell | $246.37 | — | — |
| 2026-03-10 | Ro Khanna | Buy | $249.35 | — | — |
| 2026-03-10 | Lloyd Doggett | Buy | $249.35 | — | — |
| 2026-02-26 | David Taylor | Sell | $242.05 | — | — |
| 2026-02-26 | David Taylor | Sell | $242.05 | — | — |
| 2026-02-25 | Michael Miebach | Buy | $233.33 | 434 | $101,265 |
| 2026-02-25 | Michelle J Howard | Buy | $237.83 | 50 | $11,892 |
| 2026-02-24 | Ro Khanna | Buy | $229.34 | — | — |
| 2026-02-17 | Jonathan L. Jackson | Sell | $258.25 | — | — |
| 2026-02-17 | Jonathan L. Jackson | Sell | $258.25 | — | — |
| 2026-02-10 | Gilbert Ray Cisneros, Jr. | Sell | $291.76 | — | — |
| 2026-02-05 | Ro Khanna | Sell | $290.04 | — | — |
| 2026-02-02 | Julia Letlow | Buy | $314.56 | — | — |
| 2026-01-30 | David N Farr | Buy | $304.00 | 1,000 | $304,000 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
IBM shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns IBM
Institutional investors own 66.6% of IBM's shares and insiders 0.10%. The largest holder is BlackRock Inc with 8.15% of the shares (76.8M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 8 reduced their stake in the latest filings. Short interest is 2.85% of the float, or 4.42 days of average trading volume. The share count fell 4.3% since 2014.
Related: IBM analyst forecast, IBM key metrics, IBM dividend history. See the IBM stock overview for the latest quote and news.
IBM ownership FAQ
Who owns the most IBM stock?
The largest shareholders of IBM are BlackRock Inc (8.15%), Vanguard Capital Management, LLC (6.52%), State Street Corp (5.95%), Vanguard Portfolio Management, LLC (3.01%), Geode Capital Management, LLC (2.49%).
What percentage of IBM is owned by institutions?
Institutions hold 66.6% of IBM's shares outstanding; insiders hold 0.10%.
Which funds own IBM?
The largest fund holders of IBM are Vanguard MStar Total Stk Mkt Idx Invest (3.17%), Vanguard 500 Index Investor (2.63%), iShares Core S&P 500 ETF (1.33%), Fidelity 500 Index (1.29%), State Street® SPDR® S&P 500® ETF (1.23%).
What is IBM's short interest?
24.2M shares of IBM were sold short, 2.85% of the float; at the average daily volume it would take 4.42 days to cover.
Are insiders buying or selling IBM?
Of the latest 16 reported insider transactions in IBM (since January 30, 2026), 7 were purchases and 9 were sales.
How many shares of IBM are outstanding?
IBM has 942.1M shares outstanding, of which 940.2M are in the public float.