Skip to main content

GRITSTONE ASSET MANAGEMENT LLC

Position in OYSE — Oyster Enterprises II Acquisition Corp

CIK 1964236 Bethesda, MD

Position in OYSE

as of Jun 30, 2026 · filed Aug 6, 2026
Position Value
$508,624
-$246 QoQ
Shares Held
98,859
0.0% QoQ
Ownership
0.291%
of shares outstanding
% of Portfolio
0.57%
of 13F equity value
Holder Rank
#53
of 61 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in OYSE Over Time

Shares Held

Position Value (USD)

Position in Shell Companies

Financial Services · as of Jun 30, 2026

GRITSTONE ASSET MANAGEMENT LLC holds $79,191,117 across 92 Shell Companies names. OYSE ranks #58 (0.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in OYSE

Export CSV
9 filing rows on record
Report Date Value (USD) Shares
2026-06-30 OYSER 49,430
2026-06-30 $508,624 49,429
2026-03-31 OYSER $6,178 49,430
2026-03-31 $502,692 49,429
2025-12-31 OYSER $9,886 49,430
2025-12-31 $499,727 49,429
2025-09-30 OYSER $8,403 49,430
2025-09-30 $495,377 49,429
2025-06-30 OYSEU $506,000 50,000