Oyster Enterprises II Acquisition Corp Rights
OYSER
45 hedge funds and large institutions have $4.53M invested in Oyster Enterprises II Acquisition Corp Rights in 2025 Q4 according to their latest regulatory filings, with 6 funds opening new positions, 7 increasing their positions, 7 reducing their positions, and 5 closing their positions.
20% more first-time investments, than exits
New positions opened: 6 | Existing positions closed: 5
14% more capital invested
Capital invested by funds: $3.98M → $4.53M (+$551K)
2% more funds holding
Funds holding: 44 → 45 (+1)
0% more repeat investments, than reductions
Existing positions increased: 7 | Existing positions reduced: 7
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
WCMNY
Westchester Capital Management (New York)
Valhalla,
New York
|
+$158K |
| 2 |
HCI
Harraden Circle Investments
New York
|
+$96.9K |
| 3 |
RCM
Radcliffe Capital Management
Bala Cynwyd,
Pennsylvania
|
+$92.1K |
| 4 |
AIMCA
Alberta Investment Management Corp (AIMCo)
Edmonton,
Alberta, Canada
|
+$74.3K |
| 5 |
MA
MYDA Advisors
Woodmere,
New York
|
+$64.8K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MP
Mangrove Partners
Greenwich,
Connecticut
|
-$76.5K |
| 2 |
AA
AQR Arbitrage
Greenwich,
Connecticut
|
-$64.3K |
| 3 |
Parallax Volatility Advisers
San Francisco,
California
|
-$50.6K |
| 4 |
Hudson Bay Capital Management
Stamford,
Connecticut
|
-$36.2K |
| 5 |
GCL
Glazer Capital LLC
New York
|
-$13.1K |
OYSER Hedge Fund Activity: Q4 2025 in Review
45 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Oyster Enterprises II Acquisition Corp Rights (OYSER) for Q4 2025, worth a combined $4.53M — up 14% from $3.98M a quarter earlier.
Buyers outnumbered sellers: 6 funds opened new OYSER positions and 5 closed out — a net gain of 1 holder — while 7 added to existing stakes and 7 trimmed.
The largest buyer was Westchester Capital Management (New York), opening a new position worth an estimated $158K. The largest seller was Mangrove Partners, exiting entirely with an estimated $76.5K sold.
- 45 institutional investors held Oyster Enterprises II Acquisition Corp Rights (OYSER) as of Q4 2025, up from 44 in Q3 2025.
- Funds reported $4.53M of Oyster Enterprises II Acquisition Corp Rights stock for Q4 2025, up 14% quarter-over-quarter.
- 6 funds opened new Oyster Enterprises II Acquisition Corp Rights positions in Q4 2025 and 5 closed out, a net change of +1 holder.
- The largest Oyster Enterprises II Acquisition Corp Rights buyer in Q4 2025 was Westchester Capital Management (New York), an estimated $158K added.
- The largest Oyster Enterprises II Acquisition Corp Rights seller in Q4 2025 was Mangrove Partners, an estimated $76.5K sold.
Based on aggregated 13F filings for Q4 2025.