International Business Machines
IBM · NYSE
$241.92+$5.53 (+2.34%)TodayMarket closed ·
Prev close $236.39
Who owns IBM
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 28.6% of IBM’s shares.
- Vanguard Capital Management, LLC6.5%
- State Street Investment Management (US)5.9%
- BlackRock Institutional Trust Company, N.A.5.4%
- Vanguard Portfolio Management, LLC3.0%
- Next 6 largest institutions7.8%
- All other shareholders71.4%
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Capital Management, LLC | 61.39M | 6.52% |
| State Street Investment Management (US) | 56.05M | 5.95% |
| BlackRock Institutional Trust Company, N.A. | 50.51M | 5.36% |
| Vanguard Portfolio Management, LLC | 28.35M | 3.01% |
| Geode Capital Management, L.L.C. | 23.45M | 2.49% |
| Capital World Investors | 16.21M | 1.72% |
| BlackRock Asset Management Ireland Limited | 9.01M | 0.96% |
| Morgan Stanley Smith Barney LLC | 8.88M | 0.94% |
| Norges Bank Investment Management (NBIM) | 8.42M | 0.89% |
| Charles Schwab Investment Management, Inc. | 7.13M | 0.76% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 29.93M | 3.18% |
| Vanguard 500 Index Fund | 24.68M | 2.62% |
| iShares Core S&P 500 ETF | 12.54M | 1.33% |
| Fidelity 500 Index Fund | 12.15M | 1.29% |
| State Street SPDR S&P 500 ETF Trust | 11.52M | 1.22% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $5.76M (1 trade) of IBM on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Brown Marianne Catherine | Award | 415 | $91.27K |
| Miebach Michael | Award | 415 | $91.27K |
| HOWARD MICHELLE J | Award | 291 | $64.00K |
| Pollack Martha E | Award | 268 | $58.94K |
| Buberl Thomas | Award | 444 | $97.65K |
| MCNABB FREDERICK WILLIAM III | Award | 415 | $91.27K |
| Laguarta Ramon | Award | 415 | $91.27K |
| VOSER PETER R. | Award | 455 | $100.07K |
| Gorsky Alex | Award | 489 | $107.55K |
| LIVERIS ANDREW N | Award | 444 | $97.65K |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Lloyd DoggettHouse | Purchase | $1K–$15K | Sep 10, 2026 |
| Maria ElviraHouse | Sale | $1K–$15K | Sep 4, 2026 |
| Maria ElviraHouse | Sale | $1K–$15K | Sep 4, 2026 |
| Maria ElviraHouse | Sale | $1K–$15K | Aug 24, 2026 |
| Maria ElviraHouse | Sale | $1K–$15K | Aug 24, 2026 |
| Gilbert CisnerosHouse | Purchase | $1K–$15K | Aug 18, 2026 |
| Josh GottheimerHouse | Sale | $1K–$15K | Jul 16, 2026 |
| Josh GottheimerHouse | Sale | $1K–$15K | Jul 15, 2026 |
| Matthew Robert Van EppsHouse | Sale | $1K–$15K | Jun 16, 2026 |
| Lloyd DoggettHouse | Purchase | $1K–$15K | Jun 10, 2026 |
| Josh GottheimerHouse | Sale | $1K–$15K | Apr 24, 2026 |
| Ro KhannaHouse | Purchase | $1K–$15K | Apr 13, 2026 |
| Alan ArmstrongSenator | Purchase | $1K–$15K | Mar 27, 2026 |
| Lloyd DoggettHouse | Purchase | $1K–$15K | Mar 10, 2026 |
| Michael McCaulHouse | Purchase | $15K–$50K | Mar 4, 2026 |
| David TaylorHouse | Sale | $1K–$15K | Feb 26, 2026 |
| Jonathan JacksonHouse | Sale | $1K–$15K | Feb 17, 2026 |
| Gil CisnerosHouse | Sale | $1K–$15K | Feb 10, 2026 |
| Julia LetlowHouse | Purchase | $1K–$15K | Feb 2, 2026 |
| David TaylorHouse | Purchase | $1K–$15K | Jan 8, 2026 |
| Gil CisnerosHouse | Purchase | $1K–$15K | Dec 19, 2025 |
| Julie JohnsonHouse | Sale | $1K–$15K | Dec 18, 2025 |
| Lloyd DoggettHouse | Purchase | $1K–$15K | Dec 12, 2025 |
| Gil CisnerosHouse | Purchase | $1K–$15K | Nov 18, 2025 |
| Julie JohnsonHouse | Sale | $1K–$15K | Nov 13, 2025 |
| Gil CisnerosHouse | Purchase | $1K–$15K | Nov 12, 2025 |
| Shelley M CapitoSenator | Sale (Partial) | $15K–$50K | Oct 29, 2025 |
| Shelley M CapitoSenator | Sale (Partial) | $15K–$50K | Oct 29, 2025 |
| Michael McCaulHouse | Sale | $15K–$50K | Oct 27, 2025 |
| Julia LetlowHouse | Purchase | $1K–$15K | Oct 22, 2025 |
Short interest
Settled Sep 30, 2026
- Shares short
- 24.16M
- Days to cover
- 4.09
- % of shares outstanding
- 2.56%
- Average daily volume
- 5.91M
- Change since last report
- +7.7%
Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.