Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in CB held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC | 34.2M | $11.67B | 0.0% | 8.830% | 3.90% |
| 2 | BlackRock, Inc. | 29.1M | $9.91B | +4.3% | 7.501% | 0.15% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 23.2M | $7.90B | -0.3% | 5.976% | 0.17% |
| 4 | STATE STREET CORP | 16.7M | $5.72B | +0.1% | 4.313% | 0.08% |
| 5 | FMR LLC | 13.4M | $4.56B | +9.4% | 3.447% | 0.20% |
| 6 | GQG Partners LLC | 12.5M | $4.25B | +0.4% | 3.216% | 7.91% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 9.1M | $3.11B | +0.3% | 2.358% | 0.17% |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | 8.9M | $3.03B | -0.4% | 2.294% | 0.14% |
| 9 | WELLINGTON MANAGEMENT GROUP LLP | 6.2M | $2.11B | -1.8% | 1.597% | 0.36% |
| 10 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 5.9M | $2.03B | -9.6% | 1.518% | 0.64% |
| 11 | Capital World Investors | 5.6M | $1.90B | -7.8% | 1.440% | 0.22% |
| 12 | AMERIPRISE FINANCIAL INC | 5.4M | $1.83B | +1.0% | 1.384% | 0.37% |
| 13 | MORGAN STANLEY | 5.3M | $1.80B | +5.2% | 1.363% | 0.10% |
| 14 | BANK OF AMERICA CORP /DE/ | 4.5M | $1.55B | -7.6% | 1.169% | 0.10% |
| 15 | JPMORGAN CHASE & CO | 4.2M | $1.43B | -13.3% | 1.077% | 0.08% |
| 16 | RAYMOND JAMES FINANCIAL INC | 4.1M | $1.39B | +0.5% | 1.054% | 0.38% |
| 17 | AQR CAPITAL MANAGEMENT LLC | 4.0M | $1.36B | +4.2% | 1.032% | 0.48% |
| 18 | WELLS FARGO & COMPANY/MN | 3.9M | $1.31B | -17.3% | 0.993% | 0.21% |
| 19 | Capital Research Global Investors | 3.5M | $1.20B | -44.1% | 0.908% | 0.17% |
| 20 | NORTHERN TRUST CORP | 3.5M | $1.18B | -3.3% | 0.892% | 0.14% |
| 21 | NORGES BANK | 3.1M | $1.07B | — | 0.810% | 0.11% |
| 22 | Bank of New York Mellon Corp | 3.1M | $1.04B | -10.5% | 0.789% | 0.17% |
| 23 | GOLDMAN SACHS GROUP INC | 2.9M | $991.0M | -0.7% | 0.750% | 0.09% |
| 24 | UBS Group AG | 2.9M | $983.5M | -3.8% | 0.744% | 0.13% |
| 25 | Legal & General Group Plc | 2.5M | $843.5M | -4.0% | 0.638% | 0.18% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in CB — a direct measure of their conviction.
Filings activity in CB during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 2,147 | +3.2% | 90.46% | 0.41 pp | $112.11B | +4.1% |
| Q1 2026 | 2,081 | +4.8% | 90.87% | +0.07 pp | $107.67B | +3.7% |
| Q4 2025 | 1,985 | +6.2% | 90.80% | +3.20 pp | $103.82B | +13% |
| Q3 2025 | 1,869 | 1.2% | 87.60% | 1.56 pp | $92.10B | 4.1% |
| Q2 2025 | 1,892 | +2.7% | 89.16% | 1.69 pp | $96.06B | 3.3% |
| Q1 2025 | 1,842 | +2.3% | 90.85% | +0.20 pp | $99.30B | +9.2% |
| Q4 2024 | 1,801 | +4.5% | 90.65% | +2.61 pp | $90.94B | 2.8% |
| Q3 2024 | 1,723 | — | 88.04% | — | $93.59B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying CB stock.
Based on Q2 2026 13F filings, institutional ownership of Chubb Limited stands at 90.5%, held across 2,147 reporting institutions.
BERKSHIRE HATHAWAY INC is the largest reported institutional holder of CB, with approximately 34,249,183 shares worth $11.67B as of Q2 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of CB, including BERKSHIRE HATHAWAY INC.
Our composite Smart Money Score for CB is 51 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
151 institutions opened new positions in CB during Q2 2026, while 99 fully exited. 1,541 added to existing positions and 390 trimmed.
CB institutional ownership fell by 0.41 percentage points quarter-over-quarter, with a net change of +66 holders.
The top 10 institutions account for 48.4% of all reported 13F value in CB, and the top 25 account for 66.2%.
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.
Chubb Limited (CB) Institutional Ownership