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MKL

Markel Group Inc.

Company with tickers: MKL

CIK
1096343
CUSIP
570535104
Shares Outstanding
12,513,710
13F Activity (30d)
681 filings 673 filers
Holders: 919
Total Value: $18,573,245,564
Total Shares: 9,703,536
Showing 1–100 of 928 holdings by value · page 1 of 10

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 919 13F filers · Δ vs Dec 31, 2025
Top Holder
7.3%
Jun 2023 → Mar 2026 · range 7.3% – 51.5%
−4.4 pts
Top 5
26.4%
Jun 2023 → Mar 2026 · range 26.4% – 65.4%
−6.3 pts
Top 10
42.1%
Jun 2023 → Mar 2026 · range 42.1% – 72.9%
−4.6 pts
HHI
238
Jun 2023 → Mar 2026 · range 238 – 2,728
Broadly held −92

Quarterly Activity

vs Dec 31, 2025
New
106
Increased
301
Decreased
297
Sold Out
105
Unchanged
215
Holder count: +1
Institutional value: -13.3%
Shares held: -2.6%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Large Qube Research & Technologies Ltd +53,076 71,709
Large MARSHALL WACE, LLP +34,903 53,900
Large VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. +21,287 226,148
Mega UBS Group AG +21,048 52,739
Mid Davis Asset Management, L.P. +20,631 70,631

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega PRINCIPAL FINANCIAL GROUP INC −131,259 401,876
Large Select Equity Group, L.P. −50,239 377,643
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP −44,798 32,767
Mega MORGAN STANLEY −35,077 357,087
Large Davis Selected Advisers −31,727 383,433

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 544,507 $1,042,224,459
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 524,201 $1,003,357,355
Mega VANGUARD FIDUCIARY TRUST CO 77,976 $149,251,514
Mega VANGUARD ASSET MANAGEMENT, Ltd 20,939 $40,078,709
Small Oslo Pensjonsforsikring AS 16,910 $32,366,922

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 1,171,904 $2,519,183,313
Mega NORGES BANK 147,737 $317,582,827
Mid GAM Holding AG 5,587 $12,010,093
Large Brandywine Global Investment Management, LLC 5,559 $11,949,903
Mid SNYDER CAPITAL MANAGEMENT L P 5,168 $11,109,390
Filter: New 106 Increased 301 Reduced 297 Sold out 105 Unchanged 215
100 of 100 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $1,360,149,544 7.32% 710,606
Mega VANGUARD CAPITAL MANAGEMENT LLC $1,042,224,459 5.61% 544,507
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $1,003,357,355 5.40% 524,201
Mega PRINCIPAL FINANCIAL GROUP INC $769,218,754 4.14% 401,876
Large Davis Selected Advisers $733,917,563 3.95% 383,433
Large Select Equity Group, L.P. $722,835,099 3.89% 377,643
Mega MORGAN STANLEY $683,489,470 3.68% 357,087
Mega STATE STREET CORP $587,600,318 3.16% 306,990
Large Boston Partners $480,377,950 2.59% 250,972
Large VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. $432,863,079 2.33% 226,148
Mega GEODE CAPITAL MANAGEMENT, LLC $424,335,898 2.28% 221,693
Large DAVENPORT & Co LLC $396,541,689 2.14% 207,172
Large BAILLIE GIFFORD & CO $335,092,388 1.80% 175,068
Mega T. Rowe Price Investment Management, Inc. $297,413,923 1.60% 155,383
Mega DIMENSIONAL FUND ADVISORS LP $262,198,862 1.41% 136,985
Mega BANK OF AMERICA CORP /DE/ Bank $260,474,286 1.40% 136,084
Mega WELLINGTON MANAGEMENT GROUP LLP $204,179,577 1.10% 106,673
Large Bank Julius Baer & Co. Ltd, Zurich Bank $186,397,869 1.00% 97,383
Mid Madison Avenue Partners, LP $168,225,689 0.91% 87,889
Mid Fenimore Asset Management Inc $165,769,937 0.89% 86,606
Mega NORTHERN TRUST CORP Bank $163,951,568 0.88% 85,656
Mid Douglass Winthrop Advisors, LLC $154,078,798 0.83% 80,498
Large Polar Capital Holdings Plc $153,125,592 0.82% 80,000
Large FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ $152,742,778 0.82% 79,800
Mega VANGUARD FIDUCIARY TRUST CO Bank $149,251,514 0.80% 77,976
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $148,885,921 0.80% 77,785
Small BARR E S & CO $147,808,305 0.80% 77,222
Small CHECK CAPITAL MANAGEMENT INC/CA $147,165,178 0.79% 76,886
Mid JANA Partners Management, LP $144,142,861 0.78% 75,307
Large Qube Research & Technologies Ltd $137,256,038 0.74% 71,709
Mega JENNISON ASSOCIATES LLC $136,748,809 0.74% 71,444
Mega Legal & General Group Plc $135,315,170 0.73% 70,695
Mid Davis Asset Management, L.P. $135,192,671 0.73% 70,631
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $135,083,569 0.73% 70,574
Mega RAYMOND JAMES FINANCIAL INC $129,946,204 0.70% 67,890
Large HighTower Advisors, LLC $119,922,221 0.65% 62,653
Mid Scharf Investments, LLC $117,030,061 0.63% 61,142
Mega WELLS FARGO & COMPANY/MN $113,165,552 0.61% 59,123
Large Epoch Investment Partners, Inc. $111,571,133 0.60% 58,290
Small Graham Holdings Co Master Retirement Trust Pension $111,031,366 0.60% 58,008
Small Graham Holdings Co $106,096,894 0.57% 55,430
Large MARSHALL WACE, LLP $103,168,366 0.56% 53,900
Mega UBS Group AG $100,946,131 0.54% 52,739
Mega GOLDMAN SACHS GROUP INC $94,283,254 0.51% 49,258
Mega TD Asset Management Inc $93,954,034 0.51% 49,086
Small AVENIR CORP $87,725,651 0.47% 45,832
Mid Giverny Capital Inc. $82,197,817 0.44% 42,944
Small STEGINSKY CAPITAL LLC $82,044,692 0.44% 42,864
Mega ROYAL BANK OF CANADA Bank $81,786,288 0.44% 42,729
Mid Quilter Plc $74,017,082 0.40% 38,670
Mega ENVESTNET ASSET MANAGEMENT INC $72,108,755 0.39% 37,673
Mega Swiss National Bank Bank $70,820,586 0.38% 37,000
Mega Bank of New York Mellon Corp Bank $69,844,405 0.38% 36,490
Mid THOMPSON SIEGEL & WALMSLEY LLC $66,879,516 0.36% 34,941
Mega JANE STREET GROUP, LLC $66,764,671 0.36% 34,881
Large RENAISSANCE TECHNOLOGIES LLC $66,267,014 0.36% 34,621
Mid ANCHOR CAPITAL ADVISORS LLC $62,082,857 0.33% 32,435
Mega California Public Employees Retirement System Pension $59,183,041 0.32% 30,920
Large Caisse de depot et placement du Quebec $56,834,477 0.31% 29,693
Mega HSBC HOLDINGS PLC $54,928,061 0.30% 28,697
Mid Sather Financial Group Inc $52,707,742 0.28% 27,537
Mega Sumitomo Mitsui Trust Group, Inc. $52,686,688 0.28% 27,526
Mega Amundi $51,136,291 0.28% 26,716
Mid DF DENT & CO INC $50,791,758 0.27% 26,536
Mega DEUTSCHE BANK AG\ Bank $49,917,024 0.27% 26,079
Small Capco Asset Management, LLC $49,457,652 0.27% 25,839
Large CAPTRUST FINANCIAL ADVISORS $49,293,042 0.27% 25,753
Mid Greenbrier Partners Capital Management, LLC $49,030,814 0.26% 25,616
Mid Marathon Asset Management Ltd $47,662,254 0.26% 24,901
Mega Invesco Ltd. $44,322,196 0.24% 23,156
Small GREENLEA LANE CAPITAL MANAGEMENT, LLC $43,171,846 0.23% 22,555
Mid COOKE & BIELER LP $41,548,715 0.22% 21,707
Mega VANGUARD ASSET MANAGEMENT, Ltd $40,078,709 0.22% 20,939
Small Broad Run Investment Management, LLC $39,638,473 0.21% 20,709
Mega National Pension Service Pension $39,481,519 0.21% 20,627
Mid COUNTRY TRUST BANK Bank $39,355,191 0.21% 20,561
Small Lafayette Investments, Inc. $38,091,905 0.21% 19,901
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $38,089,991 0.21% 19,900
Large Russell Investments Group, Ltd. $37,862,212 0.20% 19,781
Mid BECK MACK & OLIVER LLC $37,536,824 0.20% 19,611
Small Mraz, Amerine & Associates, Inc. $36,629,555 0.20% 19,137
Small Lincoln Capital LLC $34,799,704 0.19% 18,181
Large Mitsubishi UFJ Trust & Banking Corp $34,707,827 0.19% 18,133
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $34,642,751 0.19% 18,099
Mega Nuveen, LLC $34,480,054 0.19% 18,014
Mid PINNACLE ASSOCIATES LTD $34,353,726 0.18% 17,948
Mega JPMORGAN CHASE & CO $34,018,759 0.18% 17,773
Small Oslo Pensjonsforsikring AS $32,366,922 0.17% 16,910
Mega FRANKLIN RESOURCES INC $30,971,560 0.17% 16,181
Small Citadel Investment Advisory, Inc. $29,174,253 0.16% 15,242
Mega MILLENNIUM MANAGEMENT LLC $28,823,978 0.16% 15,059
Large Tidal Investments LLC $28,678,509 0.15% 14,983
Mega RHUMBLINE ADVISERS $28,663,196 0.15% 14,975
Small Global Frontier Investments LLC $27,371,199 0.15% 14,300
Mega BARCLAYS PLC $27,151,080 0.15% 14,185
Large Korea Investment CORP $26,762,525 0.14% 13,982
Small Poehling Capital Management, INC. $25,711,700 0.14% 13,433
Mega AQR CAPITAL MANAGEMENT LLC $25,062,828 0.13% 13,094
Mega Mitsubishi UFJ Asset Management Co., Ltd. $25,045,604 0.13% 13,085
Mega AMERICAN CENTURY COMPANIES INC $23,707,669 0.13% 12,386
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