Chubb Corp.

CB · US

Held by 7 big investorsLargest: Berkshire

Chubb Corp. is held by 7 of the 24 tracked investors in their latest 13F filings. The largest position is Berkshire Hathaway's at $11.7B, 3.90% of that portfolio. Versus the prior quarter, 1 added, 4 trimmed and 0 bought new.

Big investors holding this stock

Latest 13F of the 24 tracked investors. Common shares only.

InvestorValue ($)WeightRank in portfoliovs prior quarter
Berkshire Hathaway
Warren Buffett's company · Q2 2026weight 3.90% · Q2 2026
11.7B3.90%#8–
Norges Bank
Norway's sovereign wealth fund · Q2 2026weight 0.11% · Q2 2026
1.1B0.11%#161▼ 9%
National Pension Service (Korea)
Korea's national pension fund · Q2 2026weight 0.25% · Q2 2026
391M0.25%#79▼ 1%
Viking Global Investors
Andreas Halvorsen's hedge fund · Q2 2026weight 0.37% · Q2 2026
129M0.37%#62▼ 71%
Korea Investment Corporation
Korea's sovereign wealth fund · Q2 2026weight 0.23% · Q2 2026
119M0.23%#76▼ 5%
Bridgewater Associates
Hedge fund founded by Ray Dalio · Q2 2026weight 0.09% · Q2 2026
22.8M0.09%#181▲ 50%
Soros Fund Management
George Soros's firm · Q2 2026weight 0.10% · Q2 2026
7.8M0.10%#157–

Holding history

13F · shares at each quarter-end
Investor26Q226Q125Q425Q325Q225Q124Q424Q3
Berkshire
Norway NBIM
Korea NPS
Viking····
KIC
Bridgewater·
Soros······
Druckenmiller·······

Bar height = shares of Chubb Corp. relative to that investor's own peak in these quarters (split-adjusted); · = filed but did not hold; blank = no filing kept.

Reported value by investor (13F)
Berkshire$11.7BNorway N…$1.1BKorea NPS$391MViking$129MKIC$119MBridgewa…$22.8MSoros$7.8M

Questions

Which big investors own Chubb Corp.?

Berkshire Hathaway ($11.7B), Norges Bank ($1.1B), National Pension Service (Korea) ($391M), Viking Global Investors ($129M), Korea Investment Corporation ($119M) and 2 more, per their latest 13F filings.

Does Warren Buffett own Chubb Corp.?

Yes. Berkshire Hathaway reported $11.7B (3.90% of its 13F portfolio) as of 2026-06-30.

Does Korea's National Pension Service own Chubb Corp.?

Yes, $391M as of 2026-06-30 (0.25% of its US holdings).

Restated and computed from SEC (13F, 13D/G, Form 4) and DART filings and NPS public data. Filings describe a past date and may differ from current holdings (13F: quarter end, up to 45 days later). Not investment advice.
Sources: SEC EDGAR, DART, data.go.kr (NPS), OpenFIGI. See Methodology for how figures are computed.