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RA Capital Management’s Q32 Bio QTTB Stock Holding History

RA Capital Management’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 		$29.7M Buy
+2,332,457
New +$19.5M 0.26% 52

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
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 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
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
S
Sanofi Paris, France $534M AUM 205.96% 1-Year Est. Return

RA Capital Management's QTTB Position: Q2 2026 in Review

RA Capital Management opened a new position in Q32 Bio (QTTB) in Q2 2026: 2,332,457 shares worth $29.7M. The stake represents 0.26% of the portfolio and ranks #52 among its holdings.

67 funds tracked by Wall St. Rank hold QTTB as of Q2 2026.

  • RA Capital Management held 2,332,457 shares of Q32 Bio worth $29.7M as of Q2 2026.
  • Q32 Bio was a new RA Capital Management position in Q2 2026.
  • Q32 Bio made up 0.26% of RA Capital Management's portfolio in Q2 2026, its #52 holding.
  • 67 funds tracked by Wall St. Rank held Q32 Bio as of Q2 2026.

Based on RA Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.