IBM INTERNATIONAL BUSINESS MACHINES CORP: institutional ownership and insider trading
3,853 funds reported holding $214B of INTERNATIONAL BUSINESS MACHINES CORP in their latest 13F filings; in Q2 2026 funds net bought $9.54B, with 282 new positions and 132 funds selling out; over the last 12 months insiders bought $417K and sold $5.76M on the open market.
Famous investors holding IBM
- Ken Griffin (Citadel Advisors): $1.93B, 0.2% of the portfolio
- Izzy Englander (Millennium Management): $588M, 0.2% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $156M, 0.1% of the portfolio
- Two Sigma (Two Sigma Investments): $18.1M, 0.0% of the portfolio
Largest institutional holders of IBM
- VANGUARD GROUP INC — $28.8B
- BlackRock, Inc. (BLK) — $21.6B
- VANGUARD CAPITAL MANAGEMENT LLC — $17.3B
- STATE STREET CORP (STT, STT-PG) — $15.8B
- VANGUARD PORTFOLIO MANAGEMENT LLC — $7.97B
- GEODE CAPITAL MANAGEMENT, LLC — $6.58B
- MORGAN STANLEY (MS, MS-PA, MS-PE, MS-PF, MS-PI, MS-PK, MS-PL, MS-PO, MS-PP, MS-PQ) — $4.91B
- Capital World Investors — $4.56B
- BANK OF AMERICA CORP /DE/ (BAC, BAC-PB, BAC-PE, BAC-PK, BAC-PL, BAC-PM, BAC-PN, BAC-PO, BAC-PP, BML-PG, BML-PH, BML-PJ, BML-PL) — $4.21B
- SUSQUEHANNA INTERNATIONAL GROUP, LLP — $3.49B
Recent IBM insider trades
- Aug 26, 2026: Thomas Robert David sold 25,000 shares ($5.76M)
- Feb 25, 2026: Howard Michelle J bought 50 shares ($11.9K)
- Feb 25, 2026: Miebach Michael bought 434 shares ($101K)
- Jan 30, 2026: Farr David N bought 1,000 shares ($304K)
Members of Congress trading IBM
- Sep 10, 2026: Lloyd Doggett bought $1.00K–$15.0K
- Sep 4, 2026: Maria Elvira Salazar sold $1.00K–$15.0K
- Sep 4, 2026: Maria Elvira Salazar sold $1.00K–$15.0K
- Aug 24, 2026: Maria Elvira Salazar sold part of $1.00K–$15.0K
- Aug 24, 2026: Maria Elvira Salazar sold part of $1.00K–$15.0K
- Aug 18, 2026: Gilbert Ray Cisneros, Jr. bought $1.00K–$15.0K
- Jul 17, 2026: Gilbert Ray Cisneros, Jr. sold $1.00K–$15.0K
- Jul 16, 2026: Josh Gottheimer sold $1.00K–$15.0K
- Jul 15, 2026: Josh Gottheimer sold part of $1.00K–$15.0K
- Jun 16, 2026: Gilbert Ray Cisneros, Jr. bought
5%+ owners
- Vanguard Capital Management: 7.5% (Schedule 13G, filed Apr 30, 2026)