Oyster Enterprises II Acquisition Corp (OYSE) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

31,158,600Shares Outstanding

13,739,821Shares held by institutions

$139,184,387Value of institutional holdings

78.79%Institutional ownership %

9.03%Shares Changed QoQ

59No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Oyster Enterprises II Acquisition Corp (NASDAQ:OYSE) includes 59 filers as of the latest reporting cycle ending December 2025.

The percentage of Oyster Enterprises II Acquisition owned by institutions changed from 72.3% in September 2025 to 78.8% in December 2025, marking a slight up trend.
Institutional share ownership changed by 9.03% QoQ, while the number of institutional owners saw an unavailable change YoY.
A review of institutional activity for Oyster Enterprises II Acquisition shows 19 of 59 filers increasing their positions, while 10 reduced their stake, and 30 remained unchanged.
The total number of shares held by institutions in Oyster Enterprises II Acquisition increased to 24.55Mn as of December 2025, a net change of up by 2.03Mn shares quarter on quarter, and down N/A shares year over year.
With 1.50Mn shares, GLAZER CAPITAL, LLC commands the largest institutional position in Oyster Enterprises II Acquisition as of December 31, 2025, equating to 4.82% of the company.
Among the most significant buyers of Oyster Enterprises II Acquisition during December 2025 were Westchester Capital Management, LLC (850.00K), COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS (400.00K), Alberta Investment Management Corp (400.00K), TORONTO DOMINION BANK (302.00K), MYDA Advisors LLC (199.00K).
Leading sellers of Oyster Enterprises II Acquisition stock in December 2025 included Polar Asset Management Partners Inc. (400.00K), METEORA CAPITAL, LLC (142.29K), HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND (110.00K), DLD Asset Management, LP (99.96K), MIZUHO SECURITIES USA LLC (95.35K).
The top 10 institutional holders of Oyster Enterprises II Acquisition for the quarter ending December 2025 included GLAZER CAPITAL, LLC (1.50Mn), Magnetar Financial LLC (1.30Mn), Westchester Capital Management, LLC (1.30Mn), D. E. Shaw & Co., Inc. (1.25Mn), METEORA CAPITAL, LLC (1.20Mn), LINDEN ADVISORS LP (1.15Mn), AQR Arbitrage LLC (1.14Mn), LMR Partners LLP (1.10Mn), PICTON MAHONEY ASSET MANAGEMENT (1.00Mn), TENOR CAPITAL MANAGEMENT Co., L.P. (900.00K).

59 Institutional Holders

13,739,821 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
GLAZER CAPITAL, LLC	31 Dec, 2025	1,501,396	1,513	0.10%	$15,134.00
Magnetar Financial LLC	31 Dec, 2025	1,300,000	0	0.00%	$13,143,000.00
Westchester Capital Management, LLC	31 Dec, 2025	1,295,112	850,000	190.96%	$13,093,583.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	1,252,350	0	0.00%	$12,661,259.00
METEORA CAPITAL, LLC	31 Dec, 2025	1,199,983	-142,293	-10.60%	$12,095,829.00
LINDEN ADVISORS LP	31 Dec, 2025	1,150,000	0	0.00%	$11,626,500.00
AQR Arbitrage LLC	31 Dec, 2025	1,138,688	0	0.00%	$11,512,136.00
LMR Partners LLP	31 Dec, 2025	1,100,000	0	0.00%	$11,121,000.00
PICTON MAHONEY ASSET MANAGEMENT	31 Dec, 2025	1,000,000	0	0.00%	$10,095,000.00
TENOR CAPITAL MANAGEMENT Co., L.P.	31 Dec, 2025	900,000	0	0.00%	$9,099,000.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	797,500	0	0.00%	$8,038,800.00
Hudson Bay Capital Management LP	31 Dec, 2025	696,530	0	0.00%	$7,041,918.00
Karpus Management, Inc.	31 Dec, 2025	673,111	53,394	8.62%	$6,784,959.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	630,000	154,998	32.63%	$6,369,300.00
Radcliffe Capital Management, L.P.	31 Dec, 2025	623,741	98,631	18.78%	$6,296,665.00
MOORE CAPITAL MANAGEMENT, LP	31 Dec, 2025	500,000	0	0.00%	$5,055,000.00
RIVERNORTH CAPITAL MANAGEMENT, LLC	31 Dec, 2025	497,500	100,000	25.16%	$5,014,800.00
BERKLEY W R CORP	31 Dec, 2025	475,872	0	0.00%	$4,796,790.00
ARISTEIA CAPITAL, L.L.C.	31 Dec, 2025	454,000	0	0.00%	$4,589,940.00
MANGROVE PARTNERS IM, LLC	31 Dec, 2025	450,000	0	0.00%	$4,549,500.00

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