Parallax Volatility Advisers, L.P.
Source: SEC Form 13F · as of Mar 2026Parallax Volatility Advisers, L.P. holds 28 biotech & pharma companies tracked by BioSniper, totaling $355.1M in value as of Mar 2026 (SEC Form 13F).
Companies held
28
Total value held
$355.1M
| Company | Shares | Value |
|---|---|---|
| UNHUnitedHealth Group Incorporated Common Stock (DE) | 142,815 | $49.4M |
| PFEPFIZER INC | 1,339,307 | $36.6M |
| JNJJOHNSON & JOHNSON | 161,109 | $36.4M |
| RIOTRiot Platforms, Inc. | 1,885,000 | $32.8M |
| PMPhilip Morris International Inc | 170,632 | $26.1M |
| GMOptec International, Inc. | 289,018 | $22.8M |
| MRKMerck & Co., Inc. | 186,904 | $21.0M |
| NVONovo Nordisk A/S | 465,836 | $18.4M |
| GHGuardant Health Inc. | 185,000 | $16.7M |
| INSMINSMED Inc | 102,450 | $14.4M |
| ABTABBOTT LABORATORIES | 150,002 | $13.9M |
| BMYBRISTOL MYERS SQUIBB CO | 218,031 | $12.9M |
| OGNOrganon & Co. | 1,857,000 | $11.1M |
| ABBVAbbVie Inc. | 51,286 | $10.5M |
| PBIPROVENTION BIO, INC. | 565,000 | $6.2M |
| HLFHerbalife Ltd. | 358,734 | $5.9M |
| GILDGILEAD SCIENCES, INC. | 29,370 | $3.9M |
| LLYELI LILLY & Co | 4,228 | $3.8M |
| MRNAModerna, Inc. | 47,891 | $2.6M |
| APLSApellis Pharmaceuticals, Inc. | 50,000 | $2.0M |
| AMGNAMGEN INC | 4,790 | $1.7M |
| BAXBaxter International Inc. | 80,001 | $1.5M |
| GEHCGE HealthCare Technologies Inc. | 18,134 | $1.3M |
| TLRYTilray Brands, Inc. | 150,000 | $1.0M |
| CRONCronos Group Inc. | 300,000 | $819K |
| MCKMcKesson Corporation | 423 | $356K |
| CAHCardinal Health Inc. | 1,570 | $322K |
| BIIBBIOGEN INC. | 1,689 | $314K |
13F holdings reflect long positions in U.S.-listed securities as reported to the SEC. Values are point-in-time for the most recent reported quarter.