StockDriftsStockDriftsTop 2 Alta Partners Management Company, L.P. Holdings
| Stock | Company | % Port. | Shares | Value | Activity | Ownership | Avg. Cost | Date |
|---|---|---|---|---|---|---|---|---|
| TYRA | TYRA BIOSCIENCES INC | 95.92% | 3.82M | $122.1M | +0.00%(+0) | $18.70(+38.63%) | 2026-06-30 | |
| VIR | VIR BIOTECHNOLOGY INC | 4.08% | 509.9K | $5.2M | +0.00%(+0) | $7.38(+19.40%) | 2026-06-30 |
| Performance Metric | 3-Year Annualized | 3-Year Cumulative | 5-Year Annualized | 5-Year Cumulative | Since First Filing (6 quarters) |
|---|---|---|---|---|---|
| Top 20 Holdings Weighted | — | — | — | — | +124.21% |
| Top 20 Holdings Unweighted | — | — | — | — | +93.57% |
Alta Partners Management Company, L.P. reports $127.32M in US-listed equity holdings across 2 positions in its most recent 13F filing. Its largest disclosed positions are TYRA (95.9%) and VIR (4.1%). The top 20 holdings account for 100% of reported assets. Its disclosed equity book has returned +124.21% cumulatively over 6 quarters. Figures reflect the Q2 2026 filing.
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Holdings on this page are parsed from Alta Partners Management Company, L.P.’s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 2054419). View Alta Partners Management Company, L.P.’s 13F filings on SEC