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JANA Partners Management, LP

Position in MKL — Markel Group Inc.

CIK 1998597 NEW YORK, NY

Position in MKL

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$144,142,861
-$30,449,554 QoQ
Shares Held
75,307
-7.3% QoQ
Ownership
0.602%
of shares outstanding
% of Portfolio
8.64%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MKL Over Time

Shares Held

Position Value (USD)

Derivatives in MKL

reported options exposure · as of Dec 31, 2024
CallValue
$119,109,870
CallShares
69,000
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Insurance - Property & Casualty

Financial Services · as of Mar 31, 2026

JANA Partners Management, LP holds $144,142,861 across 1 Insurance - Property & Casualty name. MKL ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MKL
Markel Group Inc.
This page
75,307 $144,142,861

All Filings in MKL

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7 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $144,142,861 75,307
2025-12-31 $174,592,415 81,219
2025-09-30 $281,755,488 147,411
2025-06-30 $302,464,219 151,432
2025-03-31 $291,700,291 156,022
2024-12-31 $119,109,870 69,000
2024-12-31 $188,031,328 108,926