Which hedge funds own IBM? INTERNATIONAL BUSINESS MACHS, Q2 2026 13F holders
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12 of the hedge funds tracked by WhaleCreep disclosed a position in IBM (INTERNATIONAL BUSINESS MACHS) in their Q2 2026 13F filings, worth $1.1bn in total. The largest holder by portfolio weight is Marshall Wace at 0.4% of its book. 3 managers opened a new position this quarter: Tudor Investment, Brevan Howard Capital Management, Holocene Advisors.
12tracked managers holding
3opened this quarter
0exited this quarter
Which hedge funds hold IBM? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Marshall Wace | Q2 2026 | 0.4% | $478.9m | 1,702,963 | 491% | added |
| Woodline Partners | Q2 2026 | 0.3% | $95.7m | 340,396 | -0% | held |
| Citadel Advisors | Q2 2026 | 0.1% | $212.9m | 757,042 | 106% | added |
| First Manhattan | Q2 2026 | 0.1% | $39.4m | 139,968 | 3% | added |
| Millennium Management | Q2 2026 | 0.1% | $130.5m | 464,139 | 255% | added |
| D. E. Shaw & Co | Q2 2026 | 0.1% | $95.1m | 338,010 | -23% | reduced |
| Tudor Investment | Q2 2026 | 0.1% | $14.1m | 50,001 | – | new |
| Kahn Brothers | Q2 2026 | 0.1% | $345.3k | 1,228 | 0% | held |
| Ancora Advisors | Q2 2026 | 0.0% | $1.8m | 6,577 | -4% | reduced |
| Brevan Howard Capital Management | Q2 2026 | 0.0% | $1.4m | 4,946 | – | new |
| Horizon Kinetics | Q2 2026 | 0.0% | $1.0m | 3,570 | -0% | held |
| Holocene Advisors | Q2 2026 | 0.0% | $406.1k | 1,444 | – | new |
Held in a manager's last filing on record
These managers have not filed for the latest quarter; their last disclosure is dated.
| Manager | Last filing | Weight |
|---|---|---|
| Boston Omaha | Q4 2024 | 0.0% |
How has hedge fund ownership of IBM changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 12 | $1.1bn |
| Q1 2026 | 9 | $415.6m |
| Q4 2025 | 7 | $177.2m |
| Q3 2025 | 6 | $106.9m |
| Q2 2025 | 6 | $71.2m |
| Q1 2025 | 5 | $74.6m |
| Q4 2024 | 7 | $40.1m |
| Q3 2024 | 7 | $641.8m |
| Q2 2024 | 8 | $89.7m |
| Q1 2024 | 5 | $193.6m |
| Q4 2023 | 7 | $388.5m |
| Q3 2023 | 7 | $99.9m |
| Q2 2023 | 8 | $248.7m |
| Q1 2023 | 7 | $240.8m |
| Q4 2022 | 5 | $58.5m |
| Q3 2022 | 5 | $44.8m |
Counts every tracked manager that disclosed IBM in that quarter's filing, including managers that have since stopped filing.