Fund Universe

ARCH Venture Management, LLC

CIK 0001274403 · holdings for 2026Q2 (change vs 2026Q1) · in signal universe
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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Quarter
Activity this period
Security type

Holdings · 13 positions · portfolio value $1,100M

TickerNameActivitySecurity Type WeightΔ Weight Value ($M)SharesΔ Shares Qtrs HeldExcess 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

Each row is this fund as of that period, not as of today — what the scoring for that quarter actually saw.
PeriodAUM ($M)Positions TurnoverTop-10 wtHerfindahl 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. JSON: /api/signals · /api/funds · /api/status