Comparable stake leader
VANGUARD CAPITAL MANAGEMENT LLC
SEC ownership of MARKEL GROUP INC.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001096343.
Disclosed value leader
BlackRock, Inc.
Comparable rows
1/50
Latest evidence
05 Nov 2026
- Public ticker
- MKL on NYSE
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
VANGUARD CAPITAL MANAGEMENT LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
1 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
VANGUARD CAPITAL MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
05 Nov 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001096343
- Issuer location
- Glen Allen, VA
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 MARKEL GROUP INC. (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
VANGUARD CAPITAL MANAGEME...
Disclosed value leader
BlackRock, Inc.
Comparable rows
1/50
Latest evidence
05 Nov 2026
13D/G
13F
3/4/5
Lead comparable stake: 5.2%
49 rows are not safely comparable across share classes.
13D/G row: VANGUARD CAPITAL MANAGEMENT LLC
Showing 1-8 of 50 holder rows.
Quick read
VANGUARD CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 5.2%.
1 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 VANGUARD CAPITAL MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 1
VANGUARD CAPITAL MANAGEMENT LLC
5.2%
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 |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.2%
Reported 13D/G
· 31 Mar 2026
|
$1,239,959,932
654,077 shares
|
$0 | 31 Mar 2026 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$1,362,880,029
697,836 shares
|
— | 30 Jun 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$1,019,424,348
521,976 shares
|
— | 30 Jun 2026 |
| DAVIS SELECTED ADVISERS |
13F
Company
|
—
denominator unverified
|
$794,400,127
406,759 shares
|
— | 30 Jun 2026 |
| MORGAN STANLEY |
13F
Company
|
—
denominator unverified
|
$684,846,688
350,660 shares
|
— | 30 Jun 2026 |
| Select Equity Group, L.P. |
13F
Company
|
—
denominator unverified
|
$647,772,404
331,679 shares
|
— | 30 Jun 2026 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$609,669,179
312,169 shares
|
— | 30 Jun 2026 |
| PRINCIPAL FINANCIAL GROUP INC |
13F
Company
|
—
denominator unverified
|
$601,186,915
307,791 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: -$3,308,179.
Buys
$371,066
Insiders: 2
Sells
$3,679,244
Insiders: 3
Net
-$3,308,179
Shares: -1,544
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 207
Shares: 1,751
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 50 | 76 | $89,460 | $140,396 | -$50,936 |
| 6-9 | 157 | 100 | $281,606 | $207,948 | +$73,658 |
| 9-12 | 0 | 1,575 | $0 | $3,330,900 | -$3,330,900 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 27 reporting-owner rows connected to MARKEL GROUP INC.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
27
Largest Forms 3/4/5 holder
Steven A. Markel
Net 12M change
-$3.31M
Full value: -$3,308,179 · USD · 12-month changeLatest report
05 Nov 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Steven A. Markel | Director | $131,740,471 | -$3,175,430 | -2.4% | Median | 05 Nov 2026 |
| Thomas Sinnickson Gayner | Chief Executive Officer, Director | $117,770,070 | Mixed | 15 May 2026 | ||
| Anthony F. Markel | Director | $44,005,147 | Mixed | 24 Feb 2025 | ||
| Richard R. Whitt III | Co-Chief Executive Officer, Director | $17,977,624 | Mixed | 06 Dec 2022 | ||
| Meade P. Grandis | CAO and Controller | $14,794,823 | Mixed | 24 Feb 2026 | ||
| Bradley James Kiscaden | Pres/Chief Admin Off-Ins Ops | $11,163,923 | Mixed | 15 Feb 2022 | ||
| Jeremy Andrew Noble | President, Insurance | $10,300,000 | Mixed | 18 Feb 2025 | ||
| Michael R. Heaton | EVP & Chief Operating Officer | $10,041,251 | Mixed | 02 Dec 2025 | ||
| Richard Randolph Grinnan | SVP, Chief Legal Officer & Sec | $8,168,090 | Mixed | 15 May 2026 | ||
| Michael Oreilly | Director | $7,531,209 | Mixed | 15 Jun 2026 | ||
| Lemuel E. Lewis | Director | $7,387,287 | Mixed | 14 May 2021 | ||
| Andrew G. Crowley | EVP & Pres., Markel Ventures | $5,786,910 | Mixed | 15 Jul 2026 | ||
| Diane Leopold | Director | $5,541,272 | +$268,721 | +5.1% | Mixed | 15 Jun 2026 |
| Simon Wilson | EVP and CEO, Markel Insurance | $4,983,996 | -$363,419 | -6.8% | Filing P/S | 24 Feb 2026 |
| A. Lynne Puckett | Director | $3,771,486 | +$102,345 | +2.8% | Mixed | 15 Jun 2026 |
| Brian J. Costanzo | Chief Financial Officer | $3,195,638 | Median | 30 Sep 2026 | ||
| K. Bruce Connell | Director | $3,103,023 | Mixed | 17 May 2023 | ||
| Robert C. Cox | Pres. & COO, Insur. Operations | $3,055,596 | Mixed | 06 Dec 2022 | ||
| Mark Besca | Director | $2,339,293 | Mixed | 15 Jun 2026 | ||
| Linda Schreiner V | SVP, Strategic Management | $2,198,644 | Mixed | 07 Dec 2021 |
Recent insider transactions for MARKEL GROUP INC.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Steven A. Markel | MKL | Common Stock | Gift | -0.83% | -500 | 59,868 | 05 Nov 2026 | Direct | ||
| Brian J. Costanzo | MKL | Common Stock | Other | 0.13% | 2.06 | 1,634 | 30 Sep 2026 | Direct | ||
| Andrew G. Crowley | MKL | Common Stock | Other | 0.27% | 7.48 | 2,749 | 15 Jul 2026 | Direct | ||
| Brian J. Costanzo | MKL | Common Stock | Other | 0.13% | 2.16 | 1,632 | 30 Jun 2026 | Direct | ||
| Andrew G. Crowley | MKL | Common Stock | Other | 0.1% | 2.82 | 2,741 | 30 Jun 2026 | Direct | ||
| Mark Besca | MKL | Common Stock | Other | 7.09% | 80.9 | 1,222 | 15 Jun 2026 | Direct | ||
| Morgan E. Housel | MKL | Common Stock | Other | 6.84% | 65.92 | 1,029 | 15 Jun 2026 | Direct | ||
| Diane Leopold | MKL | Common Stock | Other | 2.89% | 65.92 | 2,345 | 15 Jun 2026 | Direct | ||
| Michael Jonathan E | MKL | Common Stock | Other | 24.7% | 65.92 | 333 | 15 Jun 2026 | Direct | ||
| Harold Lawrence Morrison Jr. | MKL | Common Stock | Other | 3.01% | 32.96 | 1,127 | 15 Jun 2026 | Direct | ||
| Lawrence A. Cunningham | MKL | Common Stock | Other | 3.27% | 32.96 | 1,042 | 15 Jun 2026 | Direct | ||
| A. Lynne Puckett | MKL | Common Stock | Other | 14.9% | 65.92 | 507 | 15 Jun 2026 | Direct | ||
| Michael Oreilly | MKL | Common Stock | Other | 2.34% | 89.89 | 3,935 | 15 Jun 2026 | Direct | ||
| Greta J. Harris | MKL | Common Stock | Sale | -10.5% | -$140,396 | $1847.31 | -76 | 645 | 22 May 2026 | Direct |
| Michael Jonathan E | MKL | Common Stock | Award | 50% | 89 | 267 | 20 May 2026 | Direct | ||
| Harold Lawrence Morrison Jr. | MKL | Common Stock | Award | 8.86% | 89 | 1,094 | 20 May 2026 | Direct | ||
| Mark Besca | MKL | Common Stock | Award | 8.46% | 89 | 1,141 | 20 May 2026 | Direct | ||
| Greta J. Harris | MKL | Common Stock | Award | 14.1% | 89 | 721 | 20 May 2026 | Direct | ||
| Lawrence A. Cunningham | MKL | Common Stock | Award | 9.68% | 89 | 1,009 | 20 May 2026 | Direct | ||
| Michael Oreilly | MKL | Common Stock | Award | 2.37% | 89 | 3,845 | 20 May 2026 | Direct | ||
| Morgan E. Housel | MKL | Common Stock | Award | 10.2% | 89 | 963 | 20 May 2026 | Direct | ||
| A. Lynne Puckett | MKL | Common Stock | Award | 25.2% | 89 | 441 | 20 May 2026 | Direct | ||
| Diane Leopold | MKL | Common Stock | Award | 4.06% | 89 | 2,279 | 20 May 2026 | Direct | ||
| Thomas Sinnickson Gayner | MKL | Common Stock | Tax liability | -0.85% | -482 | 56,260 | 15 May 2026 | Direct | ||
| Richard Randolph Grinnan | MKL | Common Stock | Tax liability | -2.73% | -116 | 4,147 | 15 May 2026 | Direct | ||
| Andrew G. Crowley | MKL | Common Stock | Other | 2.25% | 60.26 | 2,738 | 15 May 2026 | Direct | ||
| Andrew G. Crowley | MKL | Common Stock | Tax liability | -2.72% | -74.87 | 2,678 | 15 May 2026 | Direct | ||
| Brian J. Costanzo | MKL | Common Stock | Other | 1.88% | 30.13 | 1,630 | 15 May 2026 | Direct | ||
| Brian J. Costanzo | MKL | Common Stock | Tax liability | -0.81% | -13.08 | 1,600 | 15 May 2026 | Direct | ||
| Diane Leopold | MKL | Common Stock | Purchase | 10% | $89,460 | $1789.19 | 50 | 550 | 07 May 2026 | By Spouse |
| Diane Leopold | MKL | Common Stock | Purchase | 4.78% | $179,261 | $1792.61 | 100 | 2,190 | 06 May 2026 | Direct |
| A. Lynne Puckett | MKL | Common Stock | Purchase | 4.05% | $102,345 | $1795.53 | 57 | 1,463 | 01 May 2026 | By Trust |
| Andrew G. Crowley | MKL | Common Stock | Other | 0.34% | 9.22 | 2,753 | 31 Mar 2026 | Direct | ||
| Brian J. Costanzo | MKL | Common Stock | Other | 0.11% | 1.84 | 1,613 | 31 Mar 2026 | Direct | ||
| Simon Wilson | MKL | Common Stock | Sale | -4.01% | -$207,948 | $2079.48 | -100 | 2,397 | 26 Feb 2026 | Direct |
| Brian J. Costanzo | MKL | Common Stock | Award | 68.4% | 655 | 1,611 | 24 Feb 2026 | Direct | ||
| Andrew G. Crowley | MKL | Common Stock | Award | 43.4% | 830 | 2,744 | 24 Feb 2026 | Direct | ||
| Richard Randolph Grinnan | MKL | Common Stock | Award | 23.1% | 801 | 4,263 | 24 Feb 2026 | Direct | ||
| Meade P. Grandis | MKL | Common Stock | Award | 31.1% | 69.72 | 294 | 24 Feb 2026 | Direct | ||
| Thomas Sinnickson Gayner | MKL | Common Stock | Award | 8.58% | 4,484 | 56,741 | 24 Feb 2026 | Direct | ||
| Simon Wilson | MKL | Common Stock | Award | 53.3% | 868 | 2,497 | 24 Feb 2026 | Direct | ||
| Simon Wilson | MKL | Common Stock | Tax liability | -2.8% | -47 | 1,629 | 17 Feb 2026 | Direct | ||
| Brian J. Costanzo | MKL | Common Stock | Other | 0.23% | 2.18 | 957 | 31 Dec 2025 | Direct | ||
| Steven A. Markel | MKL | Common Stock | Sale | -2.16% | -$2,818,430 | $2119.12 | -1,330 | 60,368 | 11 Dec 2025 | Direct |
| Thomas Sinnickson Gayner | MKL | Common Stock | Tax liability | -0.07% | -36.61 | 52,258 | 02 Dec 2025 | Direct | ||
| Simon Wilson | MKL | Common Stock | Tax liability | -5.31% | -94 | 1,676 | 02 Dec 2025 | Direct | ||
| Michael R. Heaton | MKL | Common Stock | Tax liability | -4.41% | -217 | 4,709 | 02 Dec 2025 | Direct | ||
| Richard Randolph Grinnan | MKL | Common Stock | Tax liability | -3.83% | -138 | 3,463 | 02 Dec 2025 | Direct | ||
| Andrew G. Crowley | MKL | Common Stock | Tax liability | -3.27% | -64.77 | 1,914 | 02 Dec 2025 | Direct | ||
| Brian J. Costanzo | MKL | Common Stock | Tax liability | -2.23% | -21.72 | 954 | 02 Dec 2025 | Direct |
* marks a reported price that did not pass the local price check.