IBM
International Business Machines Corporation · Technology · Information Technology Services
Momentum inputs (comparable managers):
holder breadth -10.0% ·
share flow +0.5% ·
net new positions -11.1%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 173 | +3 | 492.55M | $138.29B | +8 | −4 |
| Q1 2026 | 172 | +1 | 477.91M | $115.78B | +5 | −5 |
| Q4 2025 | 170 | 0 | 522.63M | $154.39B | +1 | — |
| Q3 2025 | 21 | +1 | 335.46M | $94.64B | +1 | −1 |
| Q2 2025 | 18 | -2 | 282.25M | $83.18B | +1 | −3 |
| Q1 2025 | 17 | 0 | 103.10M | $25.62B | +1 | −1 |
| Q4 2024 | 17 | 0 | 99.81M | $21.93B | — | — |
| Q3 2024 | 16 | -2 | 37.15M | $8.20B | — | −2 |
| Q2 2024 | 18 | — | 34.37M | $5.94B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 95.05M | — | $28.02B | 0.5% | n/c | 1 | SEC ↗ ×6 |
| 2 | BlackRock ✦ (passive) | 77.80M | — | $22.93B | 0.4% | n/c | 1 | SEC ↗ ×24 |
| 3 | State Street Global Advisors ✦ (passive) | 54.54M | +0.3% | $16.08B | 0.6% | ▲ Add | 3 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 21.94M | +1.9% | $6.44B | 0.5% | ▲ Add | 5 | SEC ↗ ×2 |
| 5 | Capital World Investors ✦ | 14.97M | -3.6% | $4.41B | 0.6% | ▼ Trim | 5 | SEC ↗ |
| 6 | Norges Bank ✦ (passive) | 6.82M | +21.0% | $2.01B | 0.3% | ▲ Add | 5 | SEC ↗ |
| 7 | Fidelity (FMR) ✦ | 5.01M | — | $1.48B | 0.1% | n/c | 1 | SEC ↗ ×6 |
| 8 | T. Rowe Price ✦ | 3.16M | -0.2% | $930.95M | 0.1% | ▼ Trim | 5 | SEC ↗ ×2 |
| 9 | Adage Capital Partners ✦ | 981.19K | +9.8% | $289.24M | 0.5% | ▲ Add | 5 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 948.59K | +14.5% | $277.51M | 0.2% | ▲ Add | 5 | SEC ↗ ×7 |
| 11 | Millennium Management ✦ | 307.31K | +15265.5% | $90.59M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 12 | Wellington Management ✦ | 271.69K | +6.9% | $80.09M | 0.0% | ▲ Add | 5 | SEC ↗ ×5 |
| 13 | Citadel Advisors ✦ | 244.96K | New | $72.21M | 0.1% | New | 1 | SEC ↗ ×2 |
| 14 | D. E. Shaw & Co. ✦ | 112.98K | +175.8% | $33.31M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 15 | Dodge & Cox ✦ | 48.07K | +41.8% | $14.17M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | Fisher Asset Management ✦ | 18.30K | -13.0% | $5.39M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 17 | GAMCO Investors ✦ | 18.15K | -0.7% | $5.35M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 18 | Gotham Asset Management ✦ | 14.75K | +1.0% | $4.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Citadel Advisors | $72.21M | 0.1% |
Exited
| Marshall Wace | $171.17M | was 0.2% |
| Arrowstreet Capital | $10.15M | was 0.0% |
| Two Sigma Investments | $650,495 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 3,437 holders, 573.85M shares, $134.48B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 25.00K sh · $5.76M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology