§ INSURANCE
USD · InsuranceWRB
WR BERKLEY CORP
USDSector · InsuranceMarket cap · $25.7BBeta · 0.37
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
OPEN 68.83HIGH 69.31LOW 68.3652W 62.63 — 78.96
EVENTSJUN 30 · EARNINGS +15.9%
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
458 increased/new, 335 decreased/exited (13F)
AC 13F Analysis
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 14.7 | P/B | 2.75 |
| EPS (TTM) | 4.45 | Dividend | 0.52% |
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| Mitsui Sumitomo Insurance Co Ltd | 58.8M | 100.0% | +16% |
| BlackRock, Inc. | 23.3M | 0.0% | −7% |
| VANGUARD CAPITAL MANAGEMENT LLC | 18.9M | n/a | n/a |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 14.8M | n/a | n/a |
| State Street | 14.4M | 0.0% | −3% |
| Morgan Stanley | 10.4M | 0.0% | n/a |
◇ AC INTELLIGENCE
Top institutional owners for WRB as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER19.7% · 0 holders
OTHER27.2% · 746 holders
INCOME / DEFENSIVE18.2% · 42 holders
DEALER / BANK14.6% · 70 holders
PASSIVE / INDEX12.0% · 13 holders
QUALITY / COMPOUNDER7.2% · 35 holders
TACTICAL / MACRO0.6% · 4 holders
SYSTEMATIC / QUANT0.4% · 10 holders
ACTIVIST0.1% · 1 holder
GROWTH / MOMENTUM0.0% · 1 holder
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for WRB in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention WRB yet.