Oyster Enterprises II Acquisition Corp - Units, each consisting of one Class A ordinary share and one right (OYSEU) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2025 to Q4 2025

Type / Class
Equity / Units, each consisting of one Class A ordinary share and one right
Symbol
OYSEU on Nasdaq
Shares outstanding
25,293,137
Price per share
$10.31
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
2,596,207
Total reported value
$26,324,842
% of total 13F portfolios
0%
Share change
-21,307,013
Value change
-$215,570,959
Number of holders
15
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Oyster Enterprises II Acquisition Corp - Units, each consisting of one Class A ordinary share and one right (OYSEU) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
METEORA CAPITAL, LLC 5.9% $15,581,207 1,539,645 Meteora Capital, LLC 30 Jun 2025
GLAZER CAPITAL, LLC 5.9% $15,178,816 1,499,883 Glazer Capital, LLC 30 Jun 2025

As of 30 Sep 2025, 15 institutional investors reported holding 2,596,207 shares of Oyster Enterprises II Acquisition Corp - Units, each consisting of one Class A ordinary share and one right (OYSEU). This represents 10% of the company’s total 25,293,137 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Oyster Enterprises II Acquisition Corp - Units, each consisting of one Class A ordinary share and one right (OYSEU) together control 10% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Westchester Capital Management, LLC 3.4% 850,000 0% 0.44% $8,500,000
Alberta Investment Management Corp 1.6% 400,000 0% 0.04% $4,100,000
MYDA Advisors LLC 1.4% 350,000 -6.7% 1.1% $3,587,500
MILLENNIUM MANAGEMENT LLC 1.2% 300,986 -64% 0% $3,070,057
Calamos Advisors LLC 0.49% 123,093 0% 0.01% $1,261,703
Bulldog Investors, LLP 0.48% 120,199 -50% 0.28% $1,201,990
RIVERNORTH CAPITAL MANAGEMENT, LLC 0.4% 102,372 -80% 0.06% $1,023,720
JPMORGAN CHASE & CO 0.4% 100,000 0% 0% $1,025,000
Walleye Capital LLC 0.3% 75,000 0% 0.01% $768,750
OMERS ADMINISTRATION Corp 0.24% 59,827 0% $613,227
READYSTATE ASSET MANAGEMENT LP 0.2% 49,470 -1.1% 0.02% $507,068
Clear Street Group Inc. 0.16% 39,610 0% 0% $404,022
CITADEL ADVISORS LLC 0.05% 13,219 0% $135,495
Tuttle Capital Management, LLC 0.04% 10,000 0% 0.39% $102,000
UBS Group AG 0.01% 2,431 -23% 0% $24,310
GABELLI FUNDS LLC 0% 0 -100% $0
GABELLI & Co INVESTMENT ADVISERS, INC. 0% 0 -100% $0
GRITSTONE ASSET MANAGEMENT LLC 0% 0 -100% $0
MMCAP International Inc. SPC 0% 0 -100% $0
HIGHBRIDGE CAPITAL MANAGEMENT LLC 0% 0 -100% $0
WOLVERINE ASSET MANAGEMENT LLC 0% 0 -100% $0
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0% 0 -100% $0
K2 PRINCIPAL FUND, L.P. 0% 0 -100% $0
Magnetar Financial LLC 0% 0 -100% $0
CSS LLC/IL 0% 0 -100% $0

Institutional Holders of Oyster Enterprises II Acquisition Corp - Units, each consisting of one Class A ordinary share and one right (OYSEU) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 125,324 $1,299,958 -$104,050 $10.31 2
2025 Q3 2,596,207 $26,324,842 -$215,570,959 $10.25 15
2025 Q2 24,123,654 $244,102,002 +$241,704,302 $10.12 61