Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in IBM held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 76.8M | $21.59B | -1.0% | 8.148% | 0.32% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 61.4M | $17.26B | +0.9% | 6.516% | 0.37% |
| 3 | STATE STREET CORP | 56.0M | $15.76B | +2.7% | 5.949% | 0.23% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 28.3M | $7.97B | +2.5% | 3.009% | 0.36% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 23.4M | $6.58B | +1.6% | 2.489% | 0.35% |
| 6 | MORGAN STANLEY | 17.5M | $4.91B | -11.1% | 1.853% | 0.26% |
| 7 | Capital World Investors | 16.2M | $4.56B | -5.0% | 1.720% | 0.54% |
| 8 | BANK OF AMERICA CORP /DE/ | 15.0M | $4.21B | -6.7% | 1.591% | 0.27% |
| 9 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 12.4M | $3.49B | +83.3% | 1.318% | 0.27% |
| 10 | JPMORGAN CHASE & CO | 12.4M | $3.46B | -32.9% | 1.321% | 0.19% |
| 11 | NORTHERN TRUST CORP | 10.2M | $2.88B | -0.8% | 1.086% | 0.33% |
| 12 | Bank of New York Mellon Corp | 9.3M | $2.61B | +29.3% | 0.984% | 0.43% |
| 13 | NORGES BANK | 8.4M | $2.37B | β | 0.893% | 0.24% |
| 14 | GOLDMAN SACHS GROUP INC | 8.4M | $2.36B | +8.5% | 0.892% | 0.21% |
| 15 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | 7.6M | $2.14B | +0.7% | 0.809% | 0.39% |
| 16 | FMR LLC | 7.4M | $2.09B | +41.7% | 0.789% | 0.09% |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 7.1M | $2.01B | +5.8% | 0.757% | 0.27% |
| 18 | CITADEL ADVISORS LLC | 6.9M | $1.93B | +82.8% | 0.729% | 0.11% |
| 19 | Legal & General Group Plc | 6.7M | $1.87B | -3.6% | 0.708% | 0.39% |
| 20 | WELLINGTON MANAGEMENT GROUP LLP | 6.5M | $1.84B | +2362.2% | 0.695% | 0.32% |
| 21 | PeakShares LLC | 6K | $1.66B | +30.6% | 0.001% | 1.23% |
| 22 | JANE STREET GROUP, LLC | 5.8M | $1.62B | +122.3% | 0.611% | 0.13% |
| 23 | DIMENSIONAL FUND ADVISORS LP | 5.6M | $1.57B | +8.7% | 0.593% | 0.28% |
| 24 | Amundi | 5.5M | $1.54B | +14.5% | 0.580% | 0.37% |
| 25 | WELLS FARGO & COMPANY/MN | 5.3M | $1.49B | +17.1% | 0.563% | 0.24% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in IBM β a direct measure of their conviction.
Filings activity in IBM during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 3,663 | +5.5% | 68.78% | +3.59 pp | $179.82B | +20% |
| Q1 2026 | 3,472 | 3.5% | 65.19% | 1.09 pp | $150.09B | 16% |
| Q4 2025 | 3,599 | +6.9% | 66.28% | +1.99 pp | $178.32B | +7.4% |
| Q3 2025 | 3,367 | +1.1% | 64.29% | +0.65 pp | $166.07B | 2.1% |
| Q2 2025 | 3,330 | +5.2% | 63.64% | +1.09 pp | $169.61B | +13% |
| Q1 2025 | 3,164 | +4.6% | 62.55% | +0.36 pp | $149.91B | +14% |
| Q4 2024 | 3,026 | +6.7% | 62.19% | +2.52 pp | $131.47B | +4.3% |
| Q3 2024 | 2,836 | β | 59.67% | β | $126.04B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying IBM stock.
Based on Q2 2026 13F filings, institutional ownership of International Business Machines Corporation stands at 68.8%, held across 3,663 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of IBM, with approximately 76,763,481 shares worth $21.59B as of Q2 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of IBM, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC, JANE STREET GROUP, LLC.
Our composite Smart Money Score for IBM is 84 out of 100 (Strong Smart Money). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
273 institutions opened new positions in IBM during Q2 2026, while 135 fully exited. 2,886 added to existing positions and 367 trimmed.
IBM institutional ownership rose by 3.59 percentage points quarter-over-quarter, with a net change of +191 holders.
The top 10 institutions account for 49.9% of all reported 13F value in IBM, and the top 25 account for 66.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
International Business Machines Corporation (IBM) Institutional Ownership