☆ARCH Venture Management, LLC
Quality Q
0.704
AUM ($M)
1,100
Positions
12
Turnover
0.29
Top-10 wt
99%
Herfindahl
0.124
History (qtrs)
6
Excess Return
+111.1%
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Holdings · 13 positions · portfolio value $1,100M
| Ticker | Name | Activity | Security Type | Weight | Δ Weight | Value ($M) | Shares | Δ Shares | Qtrs Held | Excess Return |
|---|---|---|---|---|---|---|---|---|---|---|
| ☆PBLS funds › | PARABILIS MEDICINES INC | NEW | — | 16.0% | +16.0% | 175.5 | 6,412,780 | +6,412,780 | 1 | +111.1% |
| ☆BEAM funds › | BEAM THERAPEUTICS INC | HOLD | — | 14.2% | -1.8% | 155.8 | 4,540,132 | +0 | 5 | — |
| ☆RAPP funds › | RAPPORT THERAPEUTICS INC | HOLD | — | 14.1% | -3.1% | 155.4 | 3,728,738 | +0 | 5 | — |
| ☆SPTX funds › | SEAPORT THERAPEUTICS INC | NEW | — | 12.4% | +12.4% | 136.6 | 6,294,951 | +6,294,951 | 1 | +474.0% |
| ☆ERAS funds › | ERASCA INC | HOLD | — | 11.8% | -5.1% | 129.9 | 7,091,557 | +0 | 5 | — |
| ☆VIR funds › | VIR BIOTECHNOLOGY INC | TRIM | — | 11.8% | -5.3% | 129.4 | 12,694,163 | -222,500 | 5 | +49.7% |
| ☆MAZE funds › | MAZE THERAPEUTICS INC | HOLD | — | 11.2% | -7.0% | 123.0 | 4,120,053 | +0 | 5 | — |
| ☆LYEL funds › | LYELL IMMUNOPHARMA INC | HOLD | — | 4.1% | -5.5% | 45.5 | 3,247,162 | +0 | 5 | +26.4% |
| ☆GENB funds › | GENERATE BIOMEDICINES INC | HOLD | — | 3.0% | -0.6% | 32.8 | 1,944,426 | +0 | 2 | +24.9% |
| ☆TXG funds › | 10X GENOMICS INC | HOLD | — | 0.8% | +0.1% | 8.4 | 217,834 | +0 | 3 | +435.3% |
| ☆BOLD funds › | BOUNDLESS BIO INC | NEW | — | 0.6% | +0.6% | 6.7 | 2,694,095 | +2,694,095 | 1 | +1625.9% |
| ☆GOSS funds › | GOSSAMER BIO INC | HOLD | — | 0.1% | -0.3% | 1.3 | 8,055,916 | +0 | 5 | — |
| ☆QTTB funds › | Q32 BIO INC | EXIT | — | 0.0% | -0.3% | 0.0 | 0 | -320,482 | 0 | — |
Point-in-time history
| Period | AUM ($M) | Positions | Turnover | Top-10 wt | Herfindahl | Quality Q | Skill | Universe |
|---|---|---|---|---|---|---|---|---|
| 2026Q2 | 1,100 | 12 | 0.29 | 99% | 0.124 | 0.704 | — | in |
| 2026Q1 | 677 | 10 | 0.20 | 100% | 0.157 | 0.810 | — | in |
| 2025Q4 | 652 | 9 | 0.12 | 100% | 0.173 | 0.867 | — | in |
| 2025Q3 | 492 | 9 | 0.18 | 100% | 0.183 | 0.766 | — | in |
| 2025Q2 | 299 | 11 | 0.30 | 100% | 0.175 | 0.495 | — | entered |
| 2025Q1 | 206 | 9 | 0.00 | 100% | 0.276 | 0.000 | — | out |
Long US-equity 13F disclosures only · up to 45-day reporting lag · sells = reduce/avoid, not short.
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