Comparable stake leader
BERKSHIRE HATHAWAY INC
SEC ownership of Chubb Ltd
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000896159.
Disclosed value leader
BERKSHIRE HATHAWAY INC
Comparable rows
2/50
Latest evidence
30 Jun 2026
- Public ticker
- CB on NYSE
- Parsed ownership sources
-
13F and 13D/G
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BERKSHIRE HATHAWAY INC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
2 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BERKSHIRE HATHAWAY INC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000896159
- Issuer location
- Zurich, Switzerland
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Chubb Ltd (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BERKSHIRE HATHAWAY INC
Disclosed value leader
BERKSHIRE HATHAWAY INC
Comparable rows
2/50
Latest evidence
30 Jun 2026
13F
13D/G
Lead comparable stake: 8%
48 rows are not safely comparable across share classes.
13D/G row: BERKSHIRE HATHAWAY INC
Showing 1-8 of 50 holder rows.
Quick read
BERKSHIRE HATHAWAY INC leads the comparable SEC ownership view at 8%.
2 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BERKSHIRE HATHAWAY INC's linked filing trail.
Comparable ownership
Top 2
BERKSHIRE HATHAWAY INC
8%
VANGUARD CAPITAL MANAGEMENT LLC
6.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BERKSHIRE HATHAWAY INC |
13F
13D/G
Company · Warren E. Buffett
|
8%
Reported 13D/G
· 30 Sep 2025
|
$11,670,066,615
34,249,183 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
6.9%
Reported 13D/G
· 31 Mar 2026
|
$8,757,630,239
26,869,666 shares
|
$0 | 31 Mar 2026 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$9,913,335,801
29,093,549 shares
|
— | 30 Jun 2026 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$5,716,716,296
16,727,420 shares
|
— | 30 Jun 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
—
denominator unverified
|
$5,228,759,000
15,345,301 shares
|
— | 30 Jun 2026 |
| FMR LLC |
13F
Company
|
—
denominator unverified
|
$4,555,328,742
13,368,929 shares
|
— | 30 Jun 2026 |
| GQG Partners LLC |
13F
Company
|
—
denominator unverified
|
$4,250,112,612
12,473,178 shares
|
— | 30 Jun 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$3,111,570,737
9,145,154 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$58,795,601.
Buys
$0
Insiders: 0
Sells
$58,795,601
Insiders: 11
Net
-$58,795,601
Shares: -178,307
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 178,307
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 32,985 | $0 | $11,748,526 | -$11,748,526 |
| 3-6 | 0 | 35,966 | $0 | $11,936,130 | -$11,936,130 |
| 6-9 | 0 | 31,980 | $0 | $10,659,988 | -$10,659,988 |
| 9-12 | 0 | 77,376 | $0 | $24,450,957 | -$24,450,957 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 34 reporting-owner rows connected to Chubb Ltd. Open a relationship link for the CIK-to-CIK filing trail.
Rows
34
Largest Forms 3/4/5 holder
Evan G. Greenberg
Net 12M change
-$58.8M
Full value: -$58,795,600 · USD · 12-month changeLatest report
29 Oct 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Evan G. Greenberg | Chairman & CEO | $169,117,825 | -$14,993,463 | -8.1% | Mixed | 29 Oct 2026 |
| John W. Keogh | President &COO | $69,020,024 | -$7,394,740 | -9.7% | Mixed | 27 May 2026 |
| Philip V Bancroft | Executive Vice President* | $55,897,351 | Mixed | 19 May 2021 | ||
| Sean Ringsted | EVP, Chief Risk Officer and* | $49,081,342 | Mixed | 23 Feb 2023 | ||
| John J. Lupica | Vice Chrm, Chubb Group* | $46,662,660 | -$4,854,369 | -9.4% | Mixed | 14 Nov 2025 |
| Timothy Alan Boroughs | Executive Vice President* | $26,221,071 | -$17,469,781 | -40% | Mixed | 26 Oct 2026 |
| Paul J. Krump | Vice Chairman, Chubb Group* | $18,373,447 | Mixed | 18 May 2022 | ||
| Frances D. O'Brien | Chief Risk Officer | $13,317,825 | Mixed | 21 May 2026 | ||
| Michael G. Atieh | Director | $13,185,892 | -$190,468 | -1.4% | Filing P/S | 21 May 2026 |
| Joseph F. Wayland | Executive Vice President and* | $11,450,688 | -$7,403,379 | -39% | Mixed | 01 Sep 2026 |
| Mary A. Cirillo | Director | $9,738,115 | Mixed | 17 May 2023 | ||
| Peter C. Enns | Executive Vice President and* | $9,684,358 | Mixed | 21 May 2026 | ||
| Juan Luis Ortega | Executive Vice President* | $9,294,884 | -$1,505,269 | -14% | Filing P/S | 08 Jun 2026 |
| Olivier Steimer | Director | $8,513,131 | -$658,600 | -7.2% | Mixed | 21 May 2026 |
| Bryce L. Johns | Senior Vice President,* | $7,994,085 | -$504,925 | -5.9% | Mixed | 21 May 2026 |
| Robert W. Scully | Director | $7,767,563 | Mixed | 21 May 2026 | ||
| Robert J. Hugin | Director | $7,084,414 | Mixed | 21 May 2026 | ||
| Sheila P. Burke | Director | $6,675,958 | Mixed | 21 May 2026 | ||
| Paul McNamee | Executive Vice President* | $6,078,268 | Mixed | 21 May 2026 | ||
| George F. Ohsiek | Chief Accounting Officer | $5,556,926 | -$1,923,106 | -26% | Filing P/S | 06 Mar 2026 |
Recent insider transactions for Chubb Ltd
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Evan G. Greenberg | CB | Common Shares | Sale | -4.77% | -$5,000,322 | $360.02 | -13,889 | 277,274 | 29 Oct 2026 | By Revocable Trust |
| Evan G. Greenberg | CB | Common Shares | Options Exercise | 0.42% | 719 | 171,347 | 29 Oct 2026 | Direct | ||
| Evan G. Greenberg | CB | Options to Acquire Common Shares | Options Exercise | -100% | -719 | 0 | 29 Oct 2026 | Direct | ||
| Timothy Alan Boroughs | CB | Common Shares | Sale | -70.9% | -$4,850,704 | $356.77 | -13,596 | 5,588 | 26 Oct 2026 | Direct |
| Timothy Alan Boroughs | CB | Common Shares | Options Exercise | 243.3% | 13,596 | 19,184 | 26 Oct 2026 | Direct | ||
| Timothy Alan Boroughs | CB | Options to Acquire Common Shares | Options Exercise | -100% | -13,596 | 0 | 26 Oct 2026 | Direct | ||
| Joseph F. Wayland | CB | Common Shares | Tax liability | -0.43% | -144 | 33,605 | 01 Sep 2026 | Direct | ||
| Michael P. Connors | CB | Common Shares | Sale | -30% | -$1,897,500 | $345.00 | -5,500 | 12,803 | 21 Aug 2026 | Direct |
| Joseph F. Wayland | CB | Common Shares | Sale | -20.1% | -$3,099,319 | $364.54 | -8,502 | 33,749 | 28 Jul 2026 | Direct |
| Juan Luis Ortega | CB | Common Shares | Sale | -11.9% | -$1,251,603 | $322.08 | -3,886 | 28,859 | 08 Jun 2026 | Direct |
| Juan Luis Ortega | CB | Common Shares | Options Exercise | 13.5% | 3,886 | 32,745 | 08 Jun 2026 | Direct | ||
| Juan Luis Ortega | CB | Options to Acquire Common Shares | Options Exercise | -6.06% | -3,886 | 60,234 | 08 Jun 2026 | Direct | ||
| Evan G. Greenberg | CB | Common Shares | Gift | 291,163 | 291,163 | 28 May 2026 | By Revocable Trust | |||
| Evan G. Greenberg | CB | Common Shares | Gift | -63% | -291,163 | 170,628 | 28 May 2026 | Direct | ||
| John W. Keogh | CB | Common Shares | Gift | -0.95% | -1,352 | 140,970 | 28 May 2026 | Direct | ||
| John W. Keogh | CB | Common Shares | Gift | 61,000 | 61,000 | 27 May 2026 | By Trust | |||
| John W. Keogh | CB | Common Shares | Gift | -30% | -61,000 | 142,322 | 27 May 2026 | Direct | ||
| John W. Keogh | CB | Common Shares | Sale | -10.2% | -$7,394,740 | $321.51 | -23,000 | 203,322 | 27 May 2026 | Direct |
| David H. Sidwell | CB | Common Shares | Tax liability | -1.24% | -193 | 15,321 | 21 May 2026 | Direct | ||
| David H. Sidwell | CB | Common Shares | Award | 5.13% | 757 | 15,514 | 21 May 2026 | Direct | ||
| Robert J. Hugin | CB | Common Shares | Award | 5.54% | 1,135 | 21,626 | 21 May 2026 | Direct | ||
| Nancy Buese | CB | Common Shares | Tax liability | -7.89% | -321 | 3,746 | 21 May 2026 | Direct | ||
| Nancy Buese | CB | Common Shares | Award | 38.7% | 1,135 | 4,067 | 21 May 2026 | Direct | ||
| Olivier Steimer | CB | Common Shares | Tax liability | -0.16% | -41 | 26,120 | 21 May 2026 | Direct | ||
| Olivier Steimer | CB | Common Shares | Award | 2.67% | 681 | 26,161 | 21 May 2026 | Direct | ||
| Michael P. Connors | CB | Common Shares | Tax liability | -1.04% | -193 | 18,303 | 21 May 2026 | Direct | ||
| Michael P. Connors | CB | Common Shares | Award | 3.82% | 681 | 18,496 | 21 May 2026 | Direct | ||
| Evan G. Greenberg | CB | Common Shares | Tax liability | -13.7% | -73,555 | 461,791 | 21 May 2026 | Direct | ||
| Evan G. Greenberg | CB | Common Shares | Disposed to Issuer | -2.06% | -11,253 | 535,346 | 21 May 2026 | Direct | ||
| Bryce L. Johns | CB | Common Shares | Disposed to Issuer | -0.98% | -243 | 24,527 | 21 May 2026 | Direct | ||
| Theodore Shasta | CB | Common Shares | Tax liability | -1.19% | -193 | 16,069 | 21 May 2026 | Direct | ||
| Theodore Shasta | CB | Common Shares | Award | 4.37% | 681 | 16,262 | 21 May 2026 | Direct | ||
| Timothy Alan Boroughs | CB | Common Shares | Tax liability | -46% | -4,751 | 5,588 | 21 May 2026 | Direct | ||
| Timothy Alan Boroughs | CB | Common Shares | Disposed to Issuer | -8.25% | -930 | 10,339 | 21 May 2026 | Direct | ||
| Joseph F. Wayland | CB | Common Shares | Tax liability | -22.4% | -12,164 | 42,251 | 21 May 2026 | Direct | ||
| Joseph F. Wayland | CB | Common Shares | Disposed to Issuer | -3.2% | -1,797 | 54,415 | 21 May 2026 | Direct | ||
| Juan Luis Ortega | CB | Common Shares | Tax liability | -16.8% | -5,820 | 28,859 | 21 May 2026 | Direct | ||
| Juan Luis Ortega | CB | Common Shares | Disposed to Issuer | -2.6% | -924 | 34,679 | 21 May 2026 | Direct | ||
| Michael Corbat | CB | Common Shares | Tax liability | -6.16% | -193 | 2,938 | 21 May 2026 | Direct | ||
| Michael Corbat | CB | Common Shares | Award | 27.8% | 681 | 3,131 | 21 May 2026 | Direct | ||
| Peter C. Enns | CB | Common Shares | Tax liability | -28.3% | -11,730 | 29,713 | 21 May 2026 | Direct | ||
| Peter C. Enns | CB | Common Shares | Disposed to Issuer | -4.32% | -1,869 | 41,443 | 21 May 2026 | Direct | ||
| Nelson Chai | CB | Common Shares | Tax liability | -9.7% | -193 | 1,797 | 21 May 2026 | Direct | ||
| Nelson Chai | CB | Common Shares | Award | 52% | 681 | 1,990 | 21 May 2026 | Direct | ||
| Frances D. O'Brien | CB | Common Shares | Tax liability | -2.64% | -1,106 | 40,861 | 21 May 2026 | Direct | ||
| Frances D. O'Brien | CB | Common Shares | Disposed to Issuer | -0.51% | -216 | 41,967 | 21 May 2026 | Direct | ||
| John W. Keogh | CB | Common Shares | Tax liability | -11.6% | -29,556 | 226,322 | 21 May 2026 | Direct | ||
| John W. Keogh | CB | Common Shares | Disposed to Issuer | -1.93% | -5,033 | 255,878 | 21 May 2026 | Direct | ||
| Paul McNamee | CB | Common Shares | Tax liability | -6.76% | -1,352 | 18,649 | 21 May 2026 | Direct | ||
| Paul McNamee | CB | Common Shares | Disposed to Issuer | -1.39% | -282 | 20,001 | 21 May 2026 | Direct |
* marks a reported price that did not pass the local price check.