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OYSEU

Oyster Enterprises II Acquisition Corp Units
OYSEU

8 hedge funds and large institutions have $5.21M invested in Oyster Enterprises II Acquisition Corp Units in 2025 Q4 according to their latest regulatory filings, with 0 funds opening new positions, 2 increasing their positions, 3 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

10.17% less ownership

Funds ownership: 12.59% → 2.42% (-10%)

33% less repeat investments, than reductions

Existing positions increased: 2 | Existing positions reduced: 3

47% less funds holding

Funds holding: 15 → 8 (-7)

80% less capital invested

Capital invested by funds: $26.3M → $5.21M (-$21.1M)

100% less first-time investments, than exits

New positions opened: 0 | Existing positions closed: 7

Holders
8
Holders Change
-7
Holders Change %
-46.67%
% of All Funds
0.1%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
–
Increased
2
Reduced
3
Closed
7
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
CS
Clear Street
New York
+$115K
2
OAC
OMERS Administration Corp
Ontario, Canada
+$238

Top Sellers

Rank Fund Capital Flow
1
WCMNY
Westchester Capital Management (New York)
New York
-$8.5M
2
AIMCA
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
-$4.1M
3
MA
MYDA Advisors
New York
-$3.59M
4
Millennium Management
Millennium Management
New York
-$2.07M
5
BI
Bulldog Investors
New Jersey
-$1.2M
Name Holding Trade Value Shares
Change 		Change in
Stake
Calamos Advisors
1
Calamos Advisors
Illinois
$1.28M – – –
Millennium Management
2
Millennium Management
New York
$1.06M -$2.07M -200,000 -66%
JP Morgan Chase
3
JP Morgan Chase
New York
$1.04M – – –
OAC
4
OMERS Administration Corp
Ontario, Canada
$625K +$238 +23 +0%
CS
5
Clear Street
New York
$530K +$115K +11,098 +28%
RAM
6
Readystate Asset Management
Illinois
$517K – – –
Citadel Advisors
7
Citadel Advisors
Florida
$138K -$600 -58 -0.4%
UBS Group
8
UBS Group
Switzerland
$22.9K -$2.07K -200 -8%
WCMNY
9
Westchester Capital Management (New York)
New York
– -$8.5M -850,000 Closed
AIMCA
10
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
– -$4.1M -400,000 Closed
MA
11
MYDA Advisors
New York
– -$3.59M -350,000 Closed
BI
12
Bulldog Investors
New Jersey
– -$1.2M -120,199 Closed
RCM
13
Rivernorth Capital Management
Florida
– -$1.02M -102,372 Closed
Walleye Capital
14
Walleye Capital
New York
– -$769K -75,000 Closed
TCM
15
Tuttle Capital Management
Connecticut
– -$102K -10,000 Closed

OYSEU Hedge Fund Activity: Q4 2025 in Review

8 of the 8,228 institutional investors tracked by Wall St. Rank reported a position in Oyster Enterprises II Acquisition Corp Units (OYSEU) for Q4 2025, worth a combined $5.21M — down 80% from $26.3M a quarter earlier.

Sellers outnumbered buyers: 7 funds closed out of OYSEU and 0 opened new positions — a net loss of 7 holders — while 3 trimmed existing stakes and 2 added.

The largest buyer was Clear Street, adding an estimated $115K. The largest seller was Westchester Capital Management (New York), exiting entirely with an estimated $8.5M sold.

  • 8 institutional investors held Oyster Enterprises II Acquisition Corp Units (OYSEU) as of Q4 2025, down from 15 in Q3 2025.
  • Funds reported $5.21M of Oyster Enterprises II Acquisition Corp Units stock for Q4 2025, down 80% quarter-over-quarter.
  • 0 funds opened new Oyster Enterprises II Acquisition Corp Units positions in Q4 2025 and 7 closed out, a net change of -7 holders.
  • The largest Oyster Enterprises II Acquisition Corp Units buyer in Q4 2025 was Clear Street, an estimated $115K added.
  • The largest Oyster Enterprises II Acquisition Corp Units seller in Q4 2025 was Westchester Capital Management (New York), an estimated $8.5M sold.

Based on aggregated 13F filings for Q4 2025.