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BERKLEY W R CORP

Holders

2

Combined Value

$21.02M

Combined Shares

317,100

Investor Activity Chart

Quarterly buys (▲) and sells (▼) by tracked investors. Click a marker to view that investor's portfolio; hover for details. Price line is implied from 13F filings (value ÷ shares), not market data.

$52.36$62.56$72.75$82.95Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25Q1'26Q2 2024 · implied price $78.58Q3 2024 · implied price $56.73Q4 2024 · implied price $58.52Q1 2025 · implied price $71.16Q2 2025 · implied price $73.47Q3 2025 · implied price $76.62Q4 2025 · implied price $70.12Q1 2026 · implied price $66.28Bruce Berkowitz - Fairholme Capital · bought 124,900 shares @ ~$78.58 · Q2 2024 (new position)Tom Gayner - Markel Group · bought 40,500 shares @ ~$78.58 · Q2 2024 (new position)Bruce Berkowitz - Fairholme Capital · bought 136,550 shares @ ~$56.73 · Q3 2024Jim Simons - Renaissance Technologies · bought 72,347 shares @ ~$56.73 · Q3 2024 (new position)Tom Gayner - Markel Group · bought 20,250 shares @ ~$56.73 · Q3 2024Bruce Berkowitz - Fairholme Capital · sold 1,300 shares @ ~$70.12 · Q4 2025Bruce Berkowitz - Fairholme Capital · sold 3,800 shares @ ~$66.28 · Q1 2026Jim Simons - Renaissance Technologies · bought 57,700 shares @ ~$58.52 · Q4 2024Jim Simons - Renaissance Technologies · bought 204,600 shares @ ~$71.16 · Q1 2025Jim Simons - Renaissance Technologies · sold 289,881 shares @ ~$73.47 · Q2 2025Jim Simons - Renaissance Technologies · sold 44,766 shares @ ~$73.47 · Q3 2025 (sold out)BUYSELLIMPLIED PRICE

Held By

Tracked investors currently holding this security, based on each investor's most recent 13F filing. Gain compares the current market price to each investor's estimated average buy price.

InvestorValue% of PortfolioAvg Buy PriceGainLast ActivityAs of
Bruce Berkowitz - Fairholme Capital$16.99M1.12%~$67.17—SELL Q1 2026Q1 2026
Tom Gayner - Markel Group$4.03M0.03%~$71.30—BUY Q3 2024Q1 2026

Recent Activity

Latest position changes by tracked investors. Prices are estimates implied from 13F filings.

QuarterInvestorActionEst. ValueEst. Price
Q1 2026Bruce Berkowitz - Fairholme CapitalSELL−$251.9K~$66.28
Q4 2025Bruce Berkowitz - Fairholme CapitalSELL−$91.2K~$70.12
Q3 2025Jim Simons - Renaissance TechnologiesSOLD OUT−$3.29M~$73.47
Q2 2025Jim Simons - Renaissance TechnologiesSELL−$21.30M~$73.47
Q1 2025Jim Simons - Renaissance TechnologiesBUY+$14.56M~$71.16
Q4 2024Jim Simons - Renaissance TechnologiesBUY+$3.38M~$58.52
Q3 2024Bruce Berkowitz - Fairholme CapitalBUY+$7.75M~$56.73
Q3 2024Jim Simons - Renaissance TechnologiesNEW BUY+$4.10M~$56.73
Q3 2024Tom Gayner - Markel GroupBUY+$1.15M~$56.73
Q2 2024Bruce Berkowitz - Fairholme CapitalNEW BUY+$9.81M~$78.58
Q2 2024Tom Gayner - Markel GroupNEW BUY+$3.18M~$78.58

Ownership History

Aggregate position across all tracked investors per quarter (options excluded). Implied price is the reported value divided by shares held.

PeriodHoldersTotal SharesΔ SharesTotal ValueImplied Price
Q1 20262317,100-1.2%$21.02M$66.28
Q4 20252320,900-0.4%$22.50M$70.12
Q3 20252322,200-12.2%$24.69M$76.62
Q2 20253366,966-44.1%$26.96M$73.47
Q1 20253656,847+45.2%$46.74M$71.16
Q4 20243452,247+14.6%$26.47M$58.52
Q3 20243394,547+138.5%$22.38M$56.73
Q2 20242165,400—$13.00M$78.58