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QTTB icon

OrbiMed’s Q32 Bio QTTB Stock Holding History

OrbiMed’s Portfolio QTTB Stock Details QTTB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$52.6M Buy
4,127,987
+1,875,000
+83% +$15.7M 0.97% 34
2026
Q1 		$14.5M Hold
2,252,987
– – 0.29% 66
2025
Q4 		$7.48M Hold
2,252,987
– – 0.15% 87
2025
Q3 		$4.46M Hold
2,252,987
– – 0.1% 88
2025
Q2 		$3.36M Hold
2,252,987
– – 0.08% 84
2025
Q1 		$3.72M Hold
2,252,987
– – 0.09% 85
2024
Q4 		$7.75M Hold
2,252,987
– – 0.16% 74
2024
Q3 		$101M Hold
2,252,987
– – 1.83% 15
2024
Q2 		$40.4M Hold
2,252,987
– – 0.8% 40
2024
Q1 		$38.4M Buy
+2,252,987
New +$31M 0.7% 45

Other funds holding QTTB

BCM
Boxer Capital Management San Diego, California $1.33B AUM 864.5% 1-Year Est. Return
AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $881M AUM 160.77% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
OM
Opaleye Management Boston, Massachusetts $1.1B AUM 197.64% 1-Year Est. Return
LGM
Logos Global Management San Francisco, California $2.32B AUM 536.01% 1-Year Est. Return
SC
SummitTX Capital Fort Worth, Texas $3.89B AUM 55.94% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
IC
Ikarian Capital Dallas, Texas $928M AUM 596.14% 1-Year Est. Return

OrbiMed's QTTB Position: Q2 2026 in Review

OrbiMed increased its Q32 Bio (QTTB) stake by 83% in Q2 2026, buying an estimated $15.7M and bringing the position to 4,127,987 shares worth $52.6M. The position accounts for 0.97% of the portfolio, ranked #34.

OrbiMed first reported a position in QTTB in Q1 2024 and has held it in 10 quarters since. The position peaked at $101M in Q3 2024. 72 funds tracked by Wall St. Rank hold QTTB as of Q2 2026.

  • OrbiMed held 4,127,987 shares of Q32 Bio worth $52.6M as of Q2 2026.
  • OrbiMed bought 1,875,000 Q32 Bio shares in Q2 2026, an estimated $15.7M.
  • Q32 Bio made up 0.97% of OrbiMed's portfolio in Q2 2026, its #34 holding.
  • OrbiMed first reported a position in Q32 Bio in Q1 2024 and has held it in 10 quarters since.
  • OrbiMed's Q32 Bio position peaked at $101M in Q3 2024.
  • 72 funds tracked by Wall St. Rank held Q32 Bio as of Q2 2026.

Based on OrbiMed's 13F filing for Q2 2026, filed 14 Aug 2026.