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Optiver Holding B.V.

Position in WRB — Berkley W R Corp

CIK 1859606 AMSTERDAM, P7

Position in WRB

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$194,380
+$183,706 QoQ
Shares Held
2,756
+1737.3% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#706
of 933 holders
Holding Since
Sep 2021
6 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in WRB Over Time

Shares Held

Position Value (USD)

Position in Insurance - Property & Casualty

Financial Services · as of Jun 30, 2026

Optiver Holding B.V. holds $949,203 across 25 Insurance - Property & Casualty names. WRB ranks #2 (20.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 WRB
Berkley W R Corp
This page
2,756 $194,380

All Filings in WRB

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6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $194,380 2,756
2025-03-31 $10,674 150
2024-12-31 $24,988 427
2024-09-30 $11,686 206
2021-12-31 $11,205 136
2021-09-30 $9,952 136