OYSER Oyster Enterprises II Acquisition Corp - Rights
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Institutional owners (13F) 46 filers · $2.6M total · As of June 30, 2026
Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
| New positions | Exited positions | Increased | Decreased | Net shares change |
|---|---|---|---|---|
| 4 (+4 vs prior Q) | 1 (0 vs prior Q) | 4 (-1 vs prior Q) | 6 (0 vs prior Q) | +914K |
Compared to Q1 2026. SEC Form 13F filings are due within 45 days of quarter-end plus a short buffer for late filers — quarters still inside that window are skipped in favor of the most recent fully-reported pair.
| Institution | Value | Shares | % of tracked 13F | Type |
|---|---|---|---|---|
| Meteora Capital, LLC | $234,879 | 2,133,322 | 8.95% | Shares |
| Magnetar Financial LLC | $175,565 | 1,300,000 | 6.69% | Shares |
| AQR Arbitrage LLC | $137,006 | 1,140,765 | 5.22% | Shares |
| Linden Advisors LP | $135,100 | 1,000,000 | 5.15% | Shares |
| Harraden Circle Investments, LLC | $129,789 | 1,178,826 | 4.95% | Shares |
| LMR Partners LLP | $121,110 | 1,100,000 | 4.62% | Shares |
| TENOR CAPITAL MANAGEMENT Co., L.P. | $99,090 | 900,000 | 3.78% | Shares |
| PICTON MAHONEY ASSET MANAGEMENT | $88,080 | 800,000 | 3.36% | Shares |
| Westchester Capital Management, LLC | $87,579 | 795,446 | 3.34% | Shares |
| Radcliffe Capital Management, L.P. | $74,423 | 551,079 | 2.84% | Shares |
| MILLENNIUM MANAGEMENT LLC | $73,767 | 670,000 | 2.81% | Shares |
| CSS LLC/IL | $73,040 | 66,340 | 2.78% | Shares |
| Verition Fund Management LLC | $69,751 | 580,774 | 2.66% | Shares |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | $64,933 | 499,872 | 2.47% | Shares |
| Hudson Bay Capital Management LP | $60,234 | 501,530 | 2.30% | Shares |
| Polar Asset Management Partners Inc. | $57,612 | 426,600 | 2.20% | Shares |
| TORONTO DOMINION BANK | $56,820 | 516,549 | 2.17% | Shares |
| MOORE CAPITAL MANAGEMENT, LP | $55,050 | 500,000 | 2.10% | Shares |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $54,045 | 450,000 | 2.06% | Shares |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $54,000 | 400,000 | 2.06% | Shares |
| ARISTEIA CAPITAL, L.L.C. | $49,985 | 454,000 | 1.91% | Shares |
| SONA ASSET MANAGEMENT (US) LLC | $49,545 | 450,000 | 1.89% | Shares |
| Shaolin Capital Management LLC | $48,487 | 440,391 | 1.85% | Shares |
| BNP PARIBAS FINANCIAL MARKETS | $46,752 | 346,312 | 1.78% | Shares |
| Davidson Kempner Capital Management LP | $44,040 | 400,000 | 1.68% | Shares |
| Alberta Investment Management Corp | $44,040 | 400,000 | 1.68% | Shares |
| Periscope Capital Inc. | $40,515 | 300,000 | 1.54% | Shares |
| MYDA Advisors LLC | $38,425 | 349,000 | 1.46% | Shares |
| Bulldog Investors, LLP | $33,932 | 308,189 | 1.29% | Shares |
| Context Capital Management, LLC | $33,868 | 250,782 | 1.29% | Shares |
| Decagon Asset Management LLP | $33,860 | 307,542 | 1.29% | Shares |
| Schonfeld Strategic Advisors LLC | $33,762 | 250,000 | 1.29% | Shares |
| Clear Street Group Inc. | $28,854 | 262,071 | 1.10% | Shares |
| GABELLI & Co INVESTMENT ADVISERS, INC. | $27,602 | 250,700 | 1.05% | Shares |
| WHITEBOX ADVISORS LLC | $27,525 | 250,000 | 1.05% | Shares |
| Alpine Global Management, LLC | $26,982 | 245,295 | 1.03% | Shares |
| MMCAP International Inc. SPC | $22,020 | 200,000 | 0.84% | Shares |
| GABELLI FUNDS LLC | $21,943 | 199,300 | 0.84% | Shares |
| Parallax Volatility Advisers, L.P. | $19,383 | 143,527 | 0.74% | Shares |
| Calamos Advisors LLC | $16,624 | 123,093 | 0.63% | Shares |
| DLD Asset Management, LP | $11,681 | 106,092 | 0.45% | Shares |
| Walleye Capital LLC | $8,258 | 75,000 | 0.31% | Shares |
| 683 Capital Management, LLC | $8,258 | 75,000 | 0.31% | Shares |
| GRITSTONE ASSET MANAGEMENT LLC | $5,442 | 49,430 | 0.21% | Shares |
| GLAZER CAPITAL, LLC | $104 | 770,658 | 0.00% | Shares |
| Mint Tower Capital Management B.V. | $17 | 150,000 | 0.00% | Shares |