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IBM IBM

IBM is the 47th largest S&P 500 company by market cap, worth $240 billion. 14 directors have filed with the SEC in the last 12 months (who counts), 1 of them an executive. 6 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 10.6% of the company.

Chair and CEO
Arvind Krishna
Sector
Information Technology
Sub-industry
IT Consulting & Other Services
Headquarters
Armonk, New York
Founded
1911
More
Wikipedia
Market cap
$240B
47th largest, 23 Oct 2026 close
Revenue
$67.5B
Fiscal year 2025
Price to sales
3.5
Market cap over revenue
Employees
-
Not in the 10-K
Connections
13
S&P 500 companies sharing a director or officer

Largest institutional holders

Each fund group's share of IBM. Where a company has several share classes, the share is of its total value.

13F filings for the quarter to 30 Jun 2026

These five hold 29.0% of IBM.

Source: SEC Form 13F data sets, SEC XBRL shares outstanding 路 All holders

Board and officers

10 people here also hold roles at other S&P 500 companies.

Roles filed up to 30 Sep 2026

NameTitle
Directors (14)
Arvind KrishnaChairman, President & CEOAlso at Northrop GrummanChairman, President & CEO
Marianne Catherine BrownDirectorAlso at Akamai Technologies, Northrop Grumman and Charles SchwabDirector
Thomas BuberlDirectorDirector
David N. FarrDirectorDirector
Alex GorskyDirectorAlso at Apple and JPMorgan ChaseDirector
Michelle J. HowardDirectorDirector
Ramon LaguartaDirectorAlso at PepsiCoDirector
Andrew N. LiverisDirectorDirector
Frederick William McNabb IIIDirectorAlso at UnitedHealth GroupDirector
Michael MiebachDirectorAlso at MastercardDirector
Martha E. PollackDirectorDirector
Peter R. VoserDirectorDirector
Frederick H. WaddellDirectorAlso at AbbVieDirector
Alfred W. ZollarDirectorAlso at BNY Mellon and NasdaqDirector
Officers (6)
James J. KavanaughSr. VP and CFOAlso at T-Mobile USLast filed 27 Feb 2026Sr. VP and CFO
Gary D. CohnVice ChairmanAlso at Apollo Global ManagementLast filed 27 Feb 2026Vice Chairman
Nicolas A. FehringVP, ControllerLast filed 4 Jun 2026VP, Controller
Nickle Jaclyn LamoreauxSenior Vice PresidentLast filed 27 Feb 2026Senior Vice President
Anne RobinsonSenior Vice PresidentLast filed 2 Jul 2026Senior Vice President
Robert David ThomasSenior Vice PresidentLast filed 28 Aug 2026Senior Vice President

Source: SEC insider filings (Forms 3, 4 and 5), IBM's Form 4 filings 路 All directors and officers

Companies that share people with IBM

Each person's title here, then at the other company.

  • Northrop Grumman NOC
    • Arvind Krishna: Chairman, President & CEO here, Director there
    • Marianne Catherine Brown: Director here, Director there
  • AbbVie ABBV
    • Frederick H. Waddell: Director here, Director there
  • Akamai Technologies AKAM
    • Marianne Catherine Brown: Director here, Director there
  • Apollo Global Management APO
    • Gary D. Cohn: Vice Chairman here, Director there
  • Apple AAPL
    • Alex Gorsky: Director here, Director there
  • BNY Mellon BNY
    • Alfred W. Zollar: Director here, Director there
  • Charles Schwab SCHW
    • Marianne Catherine Brown: Director here, Director there
  • JPMorgan Chase JPM
    • Alex Gorsky: Director here, Director there
  • Mastercard MA
    • Michael Miebach: Director here, President & CEO there
  • Nasdaq NDAQ
    • Alfred W. Zollar: Director here, Director there
  • PepsiCo PEP
    • Ramon Laguarta: Director here, Chairman and CEO there
  • T-Mobile US TMUS
    • James J. Kavanaugh: Sr. VP and CFO here, Director there
  • UnitedHealth Group UNH
    • Frederick William McNabb III: Director here, Director there

Source: SEC insider filings 路 See the whole network

IBM's market cap since December 2008

Weekly, up to 23 Oct 2026

Show equal percentage changes as equal steps.
201020122014201620182020202220242026$240B

Source: Yahoo Finance closing prices, SEC XBRL shares outstanding

Insider trades

Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.

Trades from 30 Sep 2025 to 30 Sep 2026

Directors and officers sold $5.8 million of stock in 1 sale and bought $417,157 in 3 purchases in the 12 months to 30 Sep 2026.

DatePersonTitleTypeSharesValue
26 Aug 2026SaleRobert David ThomasSenior Vice PresidentSenior Vice PresidentSale25,000$5.8M
25 Feb 2026BuyMichael MiebachDirectorDirectorBuy434$101K
25 Feb 2026BuyMichelle J. HowardDirectorDirectorBuy50$12K
30 Jan 2026BuyDavid N. FarrDirectorDirectorBuy1,000$304K

Source: SEC insider transactions data sets, IBM's Form 4 filings

Trades by members of Congress and officials

Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.

Trades from 20 Oct 2023 to 20 Oct 2026

24 people disclosed 53 purchases and 41 sales of IBM stock since October 2023.

DateMember or officialTypeAmount
25 Sep 2026Rohit Khanna (House, D-CA)House, D-CA 路 SoldSale$1,001 to $15,000$1K to $15K
11 Sep 2026Rohit Khanna (House, D-CA)House, D-CA 路 BoughtPurchase$1,001 to $15,000$1K to $15K
10 Sep 2026Lloyd Doggett (House, D-TX)House, D-TX 路 BoughtPurchase$1,001 to $15,000$1K to $15K
4 Sep 2026Maria Elvira Salazar (House, R-FL)House, R-FL 路 SoldSale$1,001 to $15,000$1K to $15K
24 Aug 2026Maria Elvira Salazar (House, R-FL)House, R-FL 路 SoldSale$1,001 to $15,000$1K to $15K
18 Aug 2026Gilbert Cisneros (House, D-CA)House, D-CA 路 BoughtPurchase$1,001 to $15,000$1K to $15K
10 Aug 2026Rohit Khanna (House, D-CA)House, D-CA 路 SoldSale$1,001 to $15,000$1K to $15K
3 Aug 2026Rohit Khanna (House, D-CA)House, D-CA 路 SoldSale$1,001 to $15,000$1K to $15K
23 Jul 2026Donald J Trump (President)President 路 SoldSale$100,001 to $250,000$100K to $250K
20 Jul 2026Rohit Khanna (House, D-CA)House, D-CA 路 BoughtPurchase$1,001 to $15,000$1K to $15K

Showing 10 of 94 trades

Source: House, Senate and OGE disclosures via the Congress trading monitor

WARN layoff notices

Notices filed under IBM's own name. Subsidiaries that file under their own names are not included.

Notices from 26 Oct 2023 to 26 Oct 2026

IBM filed 1 notice covering 75 workers since October 2023.

NoticePlaceWorkersEffective
4 Nov 2025San Jose, CA755 Jan 2025

Source: State WARN notices via the US layoffs tracker