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BERKLEY W R CORP

Position in ONCH — 1RT Acquisition Corp.

CIK 11544 Greenwich, CT

Position in ONCH

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$762,764
+$8,186 QoQ
Shares Held
74,416
-20.0% QoQ
Ownership
0.345%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#43
of 71 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ONCH Over Time

Shares Held

Position Value (USD)

Position in Shell Companies

Financial Services · as of Jun 30, 2026

BERKLEY W R CORP holds $1,003,060,237 across 236 Shell Companies names. ONCH ranks #209 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ONCH

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7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $762,764 74,416
2026-03-31 ONCHW 18,604
2026-03-31 $754,578 74,416
2025-12-31 ONCHW 18,604
2025-12-31 $759,043 74,416
2025-09-30 ONCHW 18,604
2025-09-30 $777,647 74,416