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Oyster Enterprises II Acquisition Corp

OYSE
Exchange
Nasdaq
Industry
Blank Checks
SEC CIK
0002042182

No open-market purchases or sales by Oyster Enterprises II Acquisition Corp insiders were filed in the last 90 days; 62 institutions reported holding it in 13F filings for Q2 2026, worth $253.8M in total; no superinvestor holds it.

Other share classesOYSEROYSEU

13F holders, Q3 2025

Institutional positions in Oyster Enterprises II Acquisition Corp as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
52
+52 vs. Q2 2025
Shares held
22.0M
+22.0M vs. Q2 2025
Total value
$220.2M
+$220.2M vs. Q2 2025
New holders
52
0 more added
Sold out
0
0 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OYSE on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 52 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 52 institutionsQ4 2025: 60 institutionsQ1 2026: 60 institutionsQ2 2026: 62 institutions
Value heldQ3 2025: $220.2M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $220.2MQ4 2025: $248.1MQ1 2026: $250.0MQ2 2026: $253.8M
Institutions holding OYSE and their total value by quarter
QuarterHoldersValue
Q2 202662$253.8M
Q1 202660$250.0M
Q4 202560$248.1M
Q3 202552$220.2M
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Oyster Enterprises II Acquisition Corp; share changes are against Q2 2025.

Institutions holding OYSE in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Glazer Capital, LLC1,499,883$15.0M0.50%+1,499,883New
Meteora Capital, LLC1,342,276$13.4M1.43%+1,342,276New
Magnetar Financial LLC1,300,000$13.0M0.08%+1,300,000New
D. E. Shaw & Co., Inc.1,252,350$12.6M0.01%+1,252,350New
Linden Advisors LP1,150,000$11.5M0.08%+1,150,000New
CNH Partners LLC1,138,688$11.4M0.29%+1,138,688New
LMR Partners LLP1,100,000$11.0M0.14%+1,100,000New
Picton Mahoney Asset Management1,000,000$10.0M0.13%+1,000,000New
Tenor Capital Management Co., L.P.900,000$9.02M0.12%+900,000New
Two Sigma Investments, LP797,500$7.99M0.01%+797,500New
Hudson Bay Capital Management LP696,530$6.99M0.04%+696,530New
Karpus Management, Inc.619,717$6.21M0.20%+619,717New
Radcliffe Capital Management, L.P.525,110$5.27M0.33%+525,110New
Moore Capital Management, LP500,000$5.01M0.10%+500,000New
Berkley W R Corp475,872$4.77M0.31%+475,872New
Millennium Management LLC475,002$4.76M0.00%+475,002New
Aristeia Capital LLC454,000$4.55M0.14%+454,000New
Healthcare of Ontario Pension Plan Trust Fund450,000$4.52M0.01%+450,000New
Mangrove Partners450,000$4.51M0.37%+450,000New
Westchester Capital Management, LLC445,112$4.46M0.23%+445,112New
Verition Fund Management LLC436,900$4.39M0.03%+436,900New
Polar Asset Management Partners Inc.400,000$4.01M0.08%+400,000New
Davidson Kempner Capital Management LP400,000$4.01M0.06%+400,000New
Rivernorth Capital Management, LLC397,500$3.98M0.23%+397,500New
Goldman Sachs Group Inc346,312$3.47M0.00%+346,312New
Periscope Capital Inc.325,000$3.26M0.79%+325,000New
Context Capital Management, LLC250,782$2.51M0.08%+250,782New
Gabelli & Co Investment Advisers, Inc.250,700$2.51M0.40%+250,700New
Whitebox Advisors LLC250,000$2.51M0.05%+250,000New
Shaolin Capital Management LLC249,654$2.50M0.12%+249,654New
Clear Street Group Inc.245,950$2.46M0.01%+245,950New
Bulldog Investors, LLP214,747$2.15M0.50%+214,747New
MMCAP International Inc. SPC200,000$2.00M0.23%+200,000New
Gabelli Funds LLC199,300$2.00M0.01%+199,300New
Vivaldi Asset Management, LLC150,000$1.50M0.10%+150,000New
Mint Tower Capital Management B.V.150,000$1.50M0.19%+150,000New
Schonfeld Strategic Advisors LLC149,673$1.50M0.01%+149,673New
Wolverine Asset Management LLC135,797$1.36M0.02%+135,797New
Mizuho Securities USA LLC112,037$1.12M0.02%+112,037New
UBS Oconnor LLC100,000$1.00M0.03%+100,000New
DLD Asset Management, LP100,000$1.00M0.13%+100,000New
683 Capital Management, LLC75,000$751.6K0.07%+75,000New
Heights Capital Management, Inc50,000$501.1K0.16%+50,000New
Deltec Asset Management LLC50,000$501.0K0.08%+50,000New
Gritstone Asset Management LLC49,429$495.4K0.51%+49,429New
Dakota Wealth Management25,700$257.5K0.01%+25,700New
Alyeska Investment Group, L.P.25,000$255.0K0.00%+25,000New
Toronto Dominion Bank25,000$250.6K0.00%+25,000New
Geode Capital Management, LLC14,458$145.2K0.00%+14,458New
Warberg Asset Management LLC10,000$100.3K0.03%+10,000New
Citigroup Inc3,900$39.1K0.00%+3,900New
Morgan Stanley20$2000.00%+20New