Type / Class
Equity / Units, each consisting of one Class A ordinary share and one right
Shares outstanding
25,293,137
Total 13F shares
2,596,207
Share change
-21,307,013
Total reported value
$26,324,842
Price per share
$10.25
Number of holders
15
Value change
-$215,570,959
Number of buys
2
Number of sells
55

Security key

G6861F120

Report period

Q3 2025

Institutions

15

Top holders

10

Top shareholders of OYSEU - Oyster Enterprises II Acquisition Corp - Units, each consisting of one Class A ordinary share and one right (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
Oyster Enterprises II LLC
3/4/5 13D/G
10%+ Owner
25%
from 13D/G
455,000
23 May 2025
GLAZER CAPITAL, LLC
13F 13D/G
Company
5.9%
from 13D/G
1,499,883
$15,179,000 30 Jun 2025
METEORA CAPITAL, LLC
13F 13D/G
Company
5.2%
from 13D/G
1,539,645
$15,581,207 30 Jun 2025
AQR CAPITAL MANAGEMENT LLC
13D/G
4.4%
1,138,688
$11,412,728 -$3,571,208 30 Sep 2025
AQR Arbitrage LLC
13F
Company
5.9%
1,495,000
$15,129,400 30 Jun 2025
13F
Magnetar Financial LLC
13F
Company
5.1%
1,300,000
$13,156,000 30 Jun 2025
13F
LMR Partners LLP
13F
Company
4.3%
1,100,000
$11,132,000 30 Jun 2025
13F
LINDEN ADVISORS LP
13F
Company
4%
1,000,000
$10,120,000 30 Jun 2025
13F
PICTON MAHONEY ASSET MANAGEMENT
13F
Company
4%
1,000,000
$10,119,000 30 Jun 2025
13F
TENOR CAPITAL MANAGEMENT Co., L.P.
13F
Company
3.6%
900,000
$9,108,000 30 Jun 2025
13F
Westchester Capital Management, LLC
13F
Company
3.4%
850,000
$8,602,000 30 Jun 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
3.3%
825,150
$8,350,518 30 Jun 2025
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
3.2%
797,500
$8,070,700 30 Jun 2025
13F
Verition Fund Management LLC
13F
Company
3%
750,000
$7,590,000 30 Jun 2025
13F
Hudson Bay Capital Management LP
13F
Company
2.8%
696,630
$7,049,896 30 Jun 2025
13F
Radcliffe Capital Management, L.P.
13F
Company
2.2%
551,079
$5,576,919 30 Jun 2025
13F
MOORE CAPITAL MANAGEMENT, LP
13F
Company
2%
500,000
$5,060,000 30 Jun 2025
13F
RIVERNORTH CAPITAL MANAGEMENT, LLC
13F
Company
2%
500,000
$5,060,000 30 Jun 2025
13F
BERKLEY W R CORP
13F
Company
1.9%
475,872
$4,815,825 30 Jun 2025
13F
ARISTEIA CAPITAL, L.L.C.
13F
Company
1.8%
454,000
$4,594,480 30 Jun 2025
13F
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
13F
Company
1.8%
450,000
$4,554,000 30 Jun 2025
13F
MANGROVE PARTNERS IM, LLC
13F
Company
1.8%
450,000
$4,554,000 30 Jun 2025
13F
Alberta Investment Management Corp
13F
Company
1.6%
400,000
$4,048,000 30 Jun 2025
13F
Centiva Capital, LP
13F
Company
1.6%
400,000
$4,048,000 30 Jun 2025
13F
DAVIDSON KEMPNER CAPITAL MANAGEMENT LP
13F
Company
1.6%
400,000
$4,048,000 30 Jun 2025
13F
Polar Asset Management Partners Inc.
13F
Company
1.6%
400,000
$4,048,000 30 Jun 2025
13F
MYDA Advisors LLC
13F
Company
1.5%
375,000
$3,795,000 30 Jun 2025
13F
Virtu Financial LLC
13F
Company
1.3%
328,141
$3,321,000 30 Jun 2025
13F
CLEAR STREET LLC
13F
Company
1.2%
310,044
$3,137,645 30 Jun 2025
13F
Schonfeld Strategic Advisors LLC
13F
Company
1.2%
300,000
$3,036,000 30 Jun 2025
13F
Shaolin Capital Management LLC
13F
Company
1.2%
300,000
$3,036,000 30 Jun 2025
13F
Context Capital Management, LLC
13F
Company
0.99%
250,782
$2,537,914 30 Jun 2025
13F
GABELLI & Co INVESTMENT ADVISERS, INC.
13F
Company
0.99%
250,700
$2,537,084 30 Jun 2025
13F
TORONTO DOMINION BANK
13F
Company
0.99%
250,000
$2,530,000 30 Jun 2025
13F
WHITEBOX ADVISORS LLC
13F
Company
0.99%
250,000
$2,530,000 30 Jun 2025
13F
Bulldog Investors, LLP
13F
Company
0.96%
241,792
$2,446,935 30 Jun 2025
13F
MIZUHO SECURITIES USA LLC
13F
Company
0.95%
239,770
$2,397,700 30 Jun 2025
13F
PERISCOPE CAPITAL INC.
13F
Company
0.8%
203,000
$2,054,360 30 Jun 2025
13F
DLD Asset Management, LP
13F
Company
0.79%
200,000
$2,024,000 30 Jun 2025
13F
MMCAP International Inc. SPC
13F
Company
0.79%
200,000
$2,024,000 30 Jun 2025
13F
GABELLI FUNDS LLC
13F
Company
0.79%
199,300
$2,016,916 30 Jun 2025
13F
Decagon Asset Management LLP
13F
Company
0.71%
180,558
$1,827,247 30 Jun 2025
13F
First Trust Capital Management L.P.
13F
Company
0.59%
150,000
$1,518,000 30 Jun 2025
13F
Mint Tower Capital Management B.V.
13F
Company
0.59%
150,000
$1,518,000 30 Jun 2025
13F
Calamos Advisors LLC
13F
Company
0.49%
123,093
$1,245,701 30 Jun 2025
13F
JPMORGAN CHASE & CO
13F
Company
0.4%
100,000
$1,012,000 30 Jun 2025
13F
K2 PRINCIPAL FUND, L.P.
13F
Company
0.4%
100,000
$1,012,000 30 Jun 2025
13F
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)
13F
Company
0.4%
100,000
$1,012,000 30 Jun 2025
13F
683 Capital Management, LLC
13F
Company
0.3%
75,000
$759,000 30 Jun 2025
13F
Walleye Capital LLC
13F
Company
0.3%
75,000
$759,000 30 Jun 2025
13F

Institutional Holders of Oyster Enterprises II Acquisition Corp - Units, each consisting of one Class A ordinary share and one right (OYSEU) as of Q3 2025

As of 30 Sep 2025, Oyster Enterprises II Acquisition Corp - Units, each consisting of one Class A ordinary share and one right (OYSEU) was held by 15 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 2,596,207 shares. The largest 10 holders included Westchester Capital Management, LLC, Alberta Investment Management Corp, MYDA Advisors LLC, MILLENNIUM MANAGEMENT LLC, Calamos Advisors LLC, Bulldog Investors, LLP, RIVERNORTH CAPITAL MANAGEMENT, LLC, JPMORGAN CHASE & CO, Walleye Capital LLC, and OMERS ADMINISTRATION Corp. This page lists 15 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders
61
Q3 2025 holders
15
Holder diff
-46
Investor Q2 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q2 2025 Value $ Q3 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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