SEC 13F Intelligence

OYSTER ENTERPRISES II ACQUIS

CUSIP G6861F104

Oyster Enterprises II Acquis has 60 institutional holders in Filings Flow’s 13F database, together reporting 24.55M shares worth $250M as of Q1 2026. The largest reported holders are Glazer Capital, LLC, Westchester Capital Management, LLC, and Magnetar Financial LLC.

Institutional Holders
60
Q1 2026
Reported Value
$250M
Ticker
unmapped
private placement or foreign
Quarters Tracked
3

Ownership Trend

Institutional holders
Q3 ’25: 52Q3 ’25Q4 ’25: 60Q4 ’25Q1 ’26: 60Q1 ’26filingsflow.com
Total reported value
Q3 ’25: $220MQ3 ’25Q4 ’25: $248MQ4 ’25Q1 ’26: $250MQ1 ’26filingsflow.com

Holders

··Mixed quarters
Manager% of PortfolioValueSharesQuarter
GLAZER CAPITAL, LLC$4.7B AUM0.33%$16M1.55MQ1 2026
Westchester Capital Management, LLC$2.2B AUM0.60%$13M1.30MQ1 2026
Magnetar Financial LLC$9.8B AUM0.13%$13M1.30MQ1 2026
D. E. Shaw & Co., Inc.$166.3B AUM0.01%$13M1.25MQ1 2026
METEORA CAPITAL, LLC$1.4B AUM0.89%$12M1.19MQ1 2026
LINDEN ADVISORS LP$17.9B AUM0.07%$12M1.15MQ1 2026
AQR Arbitrage LLC$6.1B AUM0.18%$11M1.10MQ1 2026
LMR Partners LLP$45.4B AUM0.02%$11M1.10MQ1 2026
PICTON MAHONEY ASSET MANAGEMENT$13.5B AUM0.08%$10M1.00MQ1 2026
TENOR CAPITAL MANAGEMENT Co., L.P.$6.5B AUM0.14%$9M900.0KQ1 2026
TWO SIGMA INVESTMENTS, LP$123.9B AUM0.01%$8M797.5KQ1 2026
Hudson Bay Capital Management LP$29.0B AUM0.02%$7M696.5KQ1 2026
MILLENNIUM MANAGEMENT LLC$240.3B AUM0.00%$7M669.0KQ1 2026
Karpus Management, Inc.$3.2B AUM0.21%$7M658.1KQ1 2026
Radcliffe Capital Management, L.P.$1.3B AUM0.48%$6M623.7KQ1 2026
MOORE CAPITAL MANAGEMENT, LP$4.9B AUM0.10%$5M500.0KQ1 2026
BERKLEY W R CORP$1.9B AUM0.26%$5M475.9KQ1 2026
RIVERNORTH CAPITAL MANAGEMENT, LLC$2.0B AUM0.24%$5M475.0KQ1 2026
ARISTEIA CAPITAL, L.L.C.$4.8B AUM0.10%$5M454.0KQ1 2026
MANGROVE PARTNERS IM, LLC$1.2B AUM0.37%$5M450.0KQ1 2026
Alberta Investment Management Corp$16.7B AUM0.02%$4M400.0KQ1 2026
DAVIDSON KEMPNER CAPITAL MANAGEMENT LP$7.3B AUM0.06%$4M400.0KQ1 2026
Polar Asset Management Partners Inc.$5.0B AUM0.08%$4M399.9KQ1 2026
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS$19.6B AUM0.02%$4M350.0KQ1 2026
GOLDMAN SACHS GROUP INC$870.9B AUM0.00%$4M346.3KQ1 2026
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND$62.2B AUM0.01%$3M340.0KQ1 2026
Bulldog Investors, LLP$445M AUM0.74%$3M324.4KQ1 2026
Verition Fund Management LLC$15.4B AUM0.02%$3M301.7KQ1 2026
TORONTO DOMINION BANK$69.7B AUM0.00%$3M277.0KQ1 2026
Context Capital Management, LLC$4.3B AUM0.06%$3M250.8KQ1 2026
GABELLI & Co INVESTMENT ADVISERS, INC.$674M AUM0.38%$3M250.7KQ1 2026
WHITEBOX ADVISORS LLC$8.1B AUM0.03%$3M250.0KQ1 2026
Shaolin Capital Management LLC$2.7B AUM0.09%$3M250.0KQ1 2026
PERISCOPE CAPITAL INC.$902M AUM0.28%$2M244.3KQ1 2026
WOLVERINE ASSET MANAGEMENT LLC$10.4B AUM0.02%$2M217.1KQ1 2026
Schonfeld Strategic Advisors LLC$14.2B AUM0.01%$2M207.3KQ1 2026
MMCAP International Inc. SPC$1.2B AUM0.18%$2M200.0KQ1 2026
Clear Street Group Inc.$24.6B AUM0.01%$2M199.5KQ1 2026
GABELLI FUNDS LLC$14.8B AUM0.01%$2M199.3KQ1 2026
MYDA Advisors LLC$608M AUM0.33%$2M199.0KQ1 2026
SONA ASSET MANAGEMENT (US) LLC$4.7B AUM0.04%$2M173.3KQ1 2026
Mint Tower Capital Management B.V.$1.1B AUM0.14%$2M150.0KQ1 2026
First Trust Capital Management L.P.$1.9B AUM0.08%$2M150.0KQ1 2026
O'Connor Alternative Investments LLC$1.2B AUM0.09%$1M100.0KQ1 2026
DLD Asset Management, LP$1.1B AUM0.09%$1M100.0KQ1 2026
L1 Global Manager Pty Ltd$149M AUM0.68%$1M100.0KQ1 2026
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)$3.7B AUM0.03%$1M100.0KQ4 2025OLDER
Walleye Capital LLC$24.0B AUM0.00%$766,50075.0KQ1 2026
683 Capital Management, LLC$1.9B AUM0.04%$762,75875.0KQ1 2026
Parallax Volatility Advisers, L.P.$38.6B AUM0.00%$706,27969.0KQ1 2026
HEIGHTS CAPITAL MANAGEMENT, INC$359M AUM0.14%$511,00050.0KQ1 2026
DELTEC ASSET MANAGEMENT LLC$545M AUM0.09%$508,50550.0KQ1 2026
GRITSTONE ASSET MANAGEMENT LLC$94M AUM0.54%$502,69849.4KQ1 2026
Dakota Wealth Management$4.6B AUM0.01%$415,95840.9KQ1 2026
BNP PARIBAS FINANCIAL MARKETS$205.8B AUM0.00%$405,76739.9KQ1 2026
Alyeska Investment Group, L.P.$35.4B AUM0.00%$261,25025.0KQ4 2025OLDER
ABC ARBITRAGE SA$753M AUM0.03%$254,25325.0KQ1 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM0.00%$223,26621.8KQ1 2026
MIZUHO SECURITIES USA LLC$4.2B AUM0.00%$169,40416.7KQ1 2026
GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM0.00%$147,76014.5KQ1 2026
Virtu Financial LLC$2.4B AUM0.00%$111,00011.0KQ4 2025OLDER
Warberg Asset Management LLC$600M AUM0.02%$101,70110.0KQ1 2026
CITIGROUP INC$234.5B AUM0.00%$39,4293.9KQ4 2025OLDER
MORGAN STANLEY$1.67T AUM0.00%$68167Q1 2026

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.