Security Snapshot

Oyster Enterprises II Acquisition Corp - COMMON-STOCK (OYSE) Institutional Ownership

CUSIP: G6861F104

13F Institutional Holders and Ownership History from Q3 2025 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

62

Shares (Excl. Options)

24.64MFull value: 24,643,446 · shares · 30 Jun 2026

Price

$10.29

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+93,718
Value change
+$966,240
Number of holders
62
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
26,032,298
SEC-reported price per share
$10.41
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • OYSE - Oyster Enterprises II Acquisition Corp - COMMON-STOCK is tracked under CUSIP G6861F104.
  • 62 institutions reported positions in Q2 2026.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 60 to 62 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $250.03MFull value: $250,033,642 · USD · 31 Mar 2026
    to
    $253.77MFull value: $253,773,050 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 62 institutions filings for Q2 2026.

Open SEC evidence

Security key

G6861F104

13F reference period

Q2 2026

13F holders

62

13D/G owners

4

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
4
Security
OYSE
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Oyster Enterprises II LLC 25% 8,361,250 Oyster Enterprises II LLC 23 May 2025
BARCLAYS PLC 5.7% -35% $15,001,633 -$7,336,645 1,483,841 -33% Barclays PLC 31 Dec 2025
METEORA CAPITAL, LLC 5.2% $13,453,230 1,342,276 Meteora Capital, LLC 30 Sep 2025
AQR CAPITAL MANAGEMENT LLC 4.4% -23% $11,412,728 -$3,571,208 1,138,688 -24% AQR Capital Management, LLC 30 Sep 2025
As of 30 Jun 2026, 62 institutional investors reported holding
24.64MFull value: 24,643,446 · shares · 30 Jun 2026
shares of Oyster Enterprises II Acquisition Corp - COMMON-STOCK (OYSE). This represents 95% of the company’s total
26.03MFull value: 26,032,298 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
75%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
GLAZER CAPITAL, LLC 6% 1,562,348 +0.8% 0.4% $16,077,000
Magnetar Financial LLC 5% 1,300,000 0% 0.12% $13,403,000
Westchester Capital Management, LLC 5% 1,295,112 0% 0.67% $13,352,605
D. E. Shaw & Co., Inc. 4.8% 1,252,350 0% 0.01% $12,911,729
Linden Advisors LP 4.4% 1,150,000 0% 0.06% $11,856,500
AQR Arbitrage LLC 4.2% 1,100,584 +0.45% 0.16% $11,347,021
LMR Partners LLP 4.2% 1,100,000 0% 0.08% $11,319,000
PICTON MAHONEY ASSET MANAGEMENT 3.9% 1,015,000 +1.5% 0.1% $10,444,353
TENOR CAPITAL MANAGEMENT Co., L.P. 3.5% 900,000 0% 0.13% $9,261,000
Meteora Capital, LLC 3.4% 881,794 -26% 0.75% $9,073,660
Karpus Management, Inc. 3.1% 803,996 +22% 0.24% $8,273,119
TWO SIGMA INVESTMENTS, LP 3.1% 797,500 0% 0.01% $8,206,275
Hudson Bay Capital Management LP 2.7% 696,530 0% 0.03% $7,181,224
MILLENNIUM MANAGEMENT LLC 2.6% 669,000 +0% 0% $6,884,010
Radcliffe Capital Management, L.P. 2.4% 623,742 +0% 0.49% $6,418,305
MOORE CAPITAL MANAGEMENT, LP 1.9% 500,000 0% 0.12% $5,145,000
BERKLEY W R CORP 1.8% 475,872 0% 0.24% $4,906,240
RIVERNORTH CAPITAL MANAGEMENT, LLC 1.8% 475,000 0% 0.23% $4,906,750
ARISTEIA CAPITAL, L.L.C. 1.7% 454,000 0% 0.07% $4,671,660
MANGROVE PARTNERS IM, LLC 1.7% 450,000 0% 0.3% $4,630,500
Davidson Kempner Capital Management LP 1.5% 400,000 0% 0.07% $4,116,000
Alberta Investment Management Corp 1.5% 400,000 0% 0.02% $4,124,000
Polar Asset Management Partners Inc. 1.5% 399,800 -0.03% 0.08% $4,113,942
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 1.3% 350,000 0% 0.02% $3,601,500
GOLDMAN SACHS GROUP INC 1.3% 346,312 0% 0% $3,563,550

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
5
Headline period
Q2 2026
Rows shown
1-5 of 5
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 112,255 $1,167,446 -$126,488 $10.40 3
2026 Q2 24,643,446 $253,773,050 +$966,240 $10.29 62
2026 Q1 24,549,728 $250,033,642 -$519,276 $10.17 60
2025 Q4 24,559,706 $248,083,750 +$25,216,749 $10.11 60
2025 Q3 22,014,899 $220,721,413 +$218,256,502 $10.02 53
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