Oyster Enterprises II Acquisition Corp - COMMON-STOCK (OYSE) Institutional Ownership

13F Institutional Holders and Ownership History from Q3 2025 to Q4 2025

Type / Class
Equity / COMMON-STOCK
Symbol
OYSE on Nasdaq
Shares outstanding
26,032,298
Price per share
$10.21
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
24,559,706
Total reported value
$248,083,750
% of total 13F portfolios
0%
Share change
+2,494,807
Value change
+$25,216,749
Number of holders
60
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Oyster Enterprises II Acquisition Corp - COMMON-STOCK (OYSE) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Oyster Enterprises II LLC 25% 8,361,250 Oyster Enterprises II LLC 23 May 2025
BARCLAYS PLC 5.7% -35% $15,001,633 -$7,336,645 1,483,841 -33% Barclays PLC 31 Dec 2025
METEORA CAPITAL, LLC 5.2% $13,453,230 1,342,276 Meteora Capital, LLC 30 Sep 2025
AQR CAPITAL MANAGEMENT LLC 4.4% -23% $11,412,728 -$3,571,208 1,138,688 -24% AQR Capital Management, LLC 30 Sep 2025

As of 31 Dec 2025, 60 institutional investors reported holding 24,559,706 shares of Oyster Enterprises II Acquisition Corp - COMMON-STOCK (OYSE). This represents 94% of the company’s total 26,032,298 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Oyster Enterprises II Acquisition Corp - COMMON-STOCK (OYSE) together control 76% 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
Glazer Capital, LLC 5.8% 1,501,396 +0.1% 0.4% $15,134,000
Magnetar Financial LLC 5% 1,300,000 0% 0.13% $13,143,000
Westchester Capital Management, LLC 5% 1,295,112 +191% 0.62% $13,093,583
D. E. Shaw & Co., Inc. 4.8% 1,252,350 0% 0.01% $12,661,259
METEORA CAPITAL, LLC 4.6% 1,199,983 -11% 1% $12,095,829
Linden Advisors LP 4.4% 1,150,000 0% 0.07% $11,626,500
AQR Arbitrage LLC 4.4% 1,138,688 0% 0.24% $11,512,136
LMR Partners LLP 4.2% 1,100,000 0% 0.11% $11,121,000
PICTON MAHONEY ASSET MANAGEMENT 3.8% 1,000,000 0% 0.11% $10,095,000
TENOR CAPITAL MANAGEMENT Co., L.P. 3.5% 900,000 0% 0.13% $9,099,000
TWO SIGMA INVESTMENTS, LP 3.1% 797,500 0% 0.01% $8,038,800
Hudson Bay Capital Management LP 2.7% 696,530 0% 0.04% $7,041,918
Karpus Management, Inc. 2.6% 673,111 +8.6% 0.21% $6,784,959
MILLENNIUM MANAGEMENT LLC 2.4% 630,000 +33% 0% $6,369,300
Radcliffe Capital Management, L.P. 2.4% 623,741 +19% 0.34% $6,296,665
MOORE CAPITAL MANAGEMENT, LP 1.9% 500,000 0% 0.1% $5,055,000
RIVERNORTH CAPITAL MANAGEMENT, LLC 1.9% 497,500 +25% 0.24% $5,014,800
BERKLEY W R CORP 1.8% 475,872 0% 0.27% $4,796,790
ARISTEIA CAPITAL, L.L.C. 1.7% 454,000 0% 0.13% $4,589,940
MANGROVE PARTNERS IM, LLC 1.7% 450,000 0% 0.37% $4,549,500
Verition Fund Management LLC 1.6% 422,615 -3.3% 0.02% $4,272,638
Davidson Kempner Capital Management LP 1.5% 400,000 0% 0.09% $4,044,000
Polar Asset Management Partners Inc. 1.5% 400,000 0% 0.08% $4,044,000
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 1.5% 400,000 0.02% $4,038,000
Alberta Investment Management Corp 1.5% 400,000 0.02% $4,044,000

Institutional Holders of Oyster Enterprises II Acquisition Corp - COMMON-STOCK (OYSE) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 24,559,706 $248,083,750 +$25,216,749 $10.11 60
2025 Q3 22,014,899 $220,721,413 +$218,256,502 $10.02 53