Oyster Enterprises II Acquisition Corp

OYSENASDAQ

$10.42+0.02 (+0.14% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Oyster Enterprises II Acquisition Corp price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+3.9%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Glazer Capital, LLC	Not reported	$16.1M	0.40%	Not reported
Magnetar Financial LLC	Not reported	$13.4M	0.12%	Not reported
Westchester Capital Management, LLC	Not reported	$13.4M	0.65%	Not reported
D. E. Shaw & Co., Inc.	Not reported	$12.9M	0.01%	Not reported
Linden Advisors LP	Not reported	$11.9M	0.06%	Not reported
AQR Arbitrage LLC	Not reported	$11.3M	0.16%	Not reported
Picton Mahoney Asset Management	Not reported	$10.4M	0.08%	Add 1.50%
TENOR CAPITAL MANAGEMENT Co., L.P.	Not reported	$9.26M	0.13%	Not reported
Meteora Capital, LLC	Not reported	$9.07M	0.75%	Not reported
Karpus Management, Inc.	Not reported	$8.27M	0.24%	Not reported
Two Sigma Investments, LP	Not reported	$8.21M	0.01%	Not reported
Hudson Bay Capital Management LP	Not reported	$7.18M	0.02%	Not reported
Millennium Management LLC	Not reported	$6.88M	0.00%	Not reported
Radcliffe Capital Management, L.P.	Not reported	$6.42M	0.49%	Not reported
Moore Capital Management, LP	Not reported	$5.15M	0.08%	Not reported
Berkley W R Corp	Not reported	$4.91M	0.23%	Not reported
Rivernorth Capital Management, LLC	Not reported	$4.91M	0.23%	Not reported
Aristeia Capital, L.L.C.	Not reported	$4.67M	0.06%	Not reported
Mangrove Partners Im, LLC	Not reported	$4.63M	0.30%	Not reported
Alberta Investment Management Corp	Not reported	$4.12M	0.02%	Not reported
Davidson Kempner Capital Management LP	Not reported	$4.12M	0.05%	Not reported
Polar Asset Management Partners Inc.	Not reported	$4.11M	0.07%	Not reported
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	Not reported	$3.6M	0.02%	Not reported
Goldman Sachs Group Inc	Not reported	$3.56M	0.00%	Not reported
Healthcare of Ontario Pension Plan Trust Fund	Not reported	$3.51M	0.00%	Not reported
Bulldog Investors, LLP	Not reported	$3.3M	0.73%	Reduce 1.23%
Verition Fund Management LLC	Not reported	$3.01M	0.02%	Not reported
Toronto Dominion Bank	Not reported	$2.85M	0.00%	Not reported
Context Capital Management, LLC	Not reported	$2.58M	0.05%	Not reported
GABELLI & Co INVESTMENT ADVISERS, INC.	Not reported	$2.58M	0.38%	Not reported
Whitebox Advisors LLC	Not reported	$2.57M	0.03%	Not reported
Periscope Capital Inc.	Not reported	$2.51M	0.22%	Not reported
Schonfeld Strategic Advisors LLC	Not reported	$2.42M	0.01%	Not reported
Wolverine Asset Management LLC	Not reported	$2.21M	0.02%	Not reported
Shaolin Capital Management LLC	Not reported	$2.16M	0.10%	Not reported
MMCAP International Inc. SPC	Not reported	$2.06M	0.17%	Not reported
MYDA Advisors LLC	Not reported	$2.05M	0.30%	Not reported
Clear Street Group Inc.	Not reported	$1.84M	0.00%	Not reported
Gabelli Funds LLC	Not reported	$1.79M	0.01%	Not reported
Sona Asset Management (Us) LLC	Not reported	$1.78M	0.04%	Not reported
Mizuho Securities USA LLC	Not reported	$1.67M	0.02%	Add 877.67%
First Trust Capital Management L.P.	Not reported	$1.54M	0.09%	Not reported
Mint Tower Capital Management B.V.	Not reported	$1.54M	0.18%	Not reported
Calamos Advisors LLC	Not reported	$1.27M	0.00%	Not reported
DLD Asset Management, LP	Not reported	$1.03M	0.07%	Not reported
L1 Global Manager Pty Ltd	Not reported	$1.03M	0.73%	Not reported
O'Connor Alternative Investments LLC	Not reported	$1.03M	0.08%	Not reported
Parallax Volatility Advisers, L.P.	Not reported	$934K	0.00%	Not reported
683 Capital Management, LLC	Not reported	$772K	0.04%	Not reported
Limestone Investment Advisors LP	Not reported	$515K	0.04%	New Not reported

50 of 61 holders

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