Cross-fund · 4 holders
WRB
BERKLEY W R CORP
CUSIP 084423102
4
Tracked holders
$4.27B
Aggregate value
62,235,857
Shares
4
Active funds
Funds holding WRB
| Fund | Strategy | Period | Value | % of book | Δ shares | Status |
|---|---|---|---|---|---|---|
| Vanguard | Institutional | Q4 2025 | $2.60B | 0.04% | +309,828 | +0.8% |
| BlackRock | Institutional | Q1 2026 | $1.54B | 0.03% | -1,779,881 | -7.1% |
| Citadel | Multi-Strategy | Q1 2026 | $96.9M | 0.02% | +1,306,591 | +838.4% |
| Millennium | Multi-Strategy | Q1 2026 | $30.4M | 0.01% | +423,988 | +1203.2% |
Aggregated from the latest 13F-HR per tracked fund (longs only). QoQ deltas compare against each fund's prior quarterly filing.