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Equibles

BERKLEY W R CORP

Position in MSFT — Microsoft Corp

CIK 11544 Greenwich, CT
Back to MSFT Full portfolio

Position in MSFT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$55,729,188
-$18,071,224 QoQ
Shares Held
149,400
-2.1% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
2.84%
of 13F equity value
Holder Rank
#999
of 6,240 holders
Holding Since
Sep 2023
8 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MSFT Over Time

Shares Held

Position Value (USD)

Derivatives in MSFT

reported options exposure · as of Jun 30, 2026
CallValue
$0
CallShares
0
PutValue
$55,729,188
PutShares
149,400

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Software - Infrastructure

Technology · as of Jun 30, 2026

BERKLEY W R CORP holds $55,729,188 across 1 Software - Infrastructure name. MSFT ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MSFT
Microsoft Corp
This page 		149,400 $55,729,188

All Filings in MSFT

Export CSV
16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $55,729,188 149,400
2026-06-30 $55,729,188 149,400
2025-12-31 $73,800,412 152,600
2025-12-31 $73,800,412 152,600
2025-09-30 $25,793,910 49,800
2025-09-30 $25,793,910 49,800
2025-03-31 $37,351,305 99,500
2025-03-31 $37,351,305 99,500
2024-12-31 $70,980,600 168,400
2024-12-31 $70,980,600 168,400
2024-06-30 $77,769,300 174,000
2024-06-30 $77,769,300 174,000
2024-03-31 $21,036,000 50,000
2024-03-31 $21,036,000 50,000
2023-09-30 $221,025 700
2023-09-30 $22,102,500 70,000