Oyster Enterprises II Acquisition Corp - Class A common stock (OYSE) Institutional Ownership

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

Type / Class
Equity / Class A common stock
Symbol
OYSE on Nasdaq
Shares outstanding
26,013,101
Price per share
$10.08
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
22,014,899
Total reported value
$220,721,413
% of total 13F portfolios
0%
Share change
+21,768,949
Value change
+$218,256,480
Number of holders
53
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Oyster Enterprises II Acquisition Corp - Class A 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 8.5% $22,143,840 2,209,523 Barclays PLC 30 Sep 2025
METEORA CAPITAL, LLC 5.2% $13,452,290 1,342,276 Meteora Capital, LLC 30 Sep 2025
AQR CAPITAL MANAGEMENT LLC 4.4% -23% $11,411,931 -$3,570,959 1,138,688 -24% AQR Capital Management, LLC 30 Sep 2025

As of 30 Sep 2025, 53 institutional investors reported holding 22,014,899 shares of Oyster Enterprises II Acquisition Corp - Class A common stock (OYSE). This represents 85% of the company’s total 26,013,101 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Oyster Enterprises II Acquisition Corp - Class A common stock (OYSE) together control 71% 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% 1,499,883 0.5% $15,029,000
METEORA CAPITAL, LLC 5.2% 1,342,276 1.4% $13,449,606
Magnetar Financial LLC 5% 1,300,000 0.08% $13,039,000
D. E. Shaw & Co., Inc. 4.8% 1,252,350 0.01% $12,573,594
Linden Advisors LP 4.4% 1,150,000 0.08% $11,546,000
AQR Arbitrage LLC 4.4% 1,138,688 0.29% $11,409,654
LMR Partners LLP 4.2% 1,100,000 0.14% $11,024,200
PICTON MAHONEY ASSET MANAGEMENT 3.8% 1,000,000 0.13% $10,029,000
TENOR CAPITAL MANAGEMENT Co., L.P. 3.5% 900,000 0.12% $9,019,800
TWO SIGMA INVESTMENTS, LP 3.1% 797,500 0.01% $7,990,950
Hudson Bay Capital Management LP 2.7% 696,530 0.04% $6,993,161
Karpus Management, Inc. 2.4% 619,717 0.2% $6,209,564
Radcliffe Capital Management, L.P. 2% 525,110 0.33% $5,266,853
MOORE CAPITAL MANAGEMENT, LP 1.9% 500,000 0.1% $5,011,000
BERKLEY W R CORP 1.8% 475,872 0.31% $4,768,237
MILLENNIUM MANAGEMENT LLC 1.8% 475,002 0% $4,760,470
ARISTEIA CAPITAL, L.L.C. 1.7% 454,000 0.14% $4,549,988
MANGROVE PARTNERS IM, LLC 1.7% 450,000 0.33% $4,509,900
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 1.7% 450,000 0.01% $4,518,000
Westchester Capital Management, LLC 1.7% 445,112 0.23% $4,460,023
Verition Fund Management LLC 1.7% 436,900 0.03% $4,386,476
Davidson Kempner Capital Management LP 1.5% 400,000 0.07% $4,008,800
Polar Asset Management Partners Inc. 1.5% 400,000 0.08% $4,008,800
RIVERNORTH CAPITAL MANAGEMENT, LLC 1.5% 397,500 0.23% $3,982,950
GOLDMAN SACHS GROUP INC 1.3% 346,312 0% $3,470,046

Institutional Holders of Oyster Enterprises II Acquisition Corp - Class A common stock (OYSE) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 42,500 $428,400 +$169,344 $10.08 1
2025 Q3 22,014,899 $220,721,413 +$218,256,480 $10.02 53