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Atlas Venture Life Science Advisors’s Q32 Bio QTTB Stock Holding History

Atlas Venture Life Science Advisors’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
Q1 		$13.4M Hold
2,092,106
– – 1.7% 5
2025
Q4 		$6.95M Hold
2,092,106
– – 0.8% 7
2025
Q3 		$4.14M Hold
2,092,106
– – 0.55% 8
2025
Q2 		$3.12M Hold
2,092,106
– – 0.47% 10
2025
Q1 		$3.45M Hold
2,092,106
– – 0.66% 11
2024
Q4 		$7.2M Hold
2,092,106
– – 0.88% 10
2024
Q3 		$93.3M Hold
2,092,106
– – 8.65% 5
2024
Q2 		$37.6M Hold
2,092,106
– – 3.95% 7
2024
Q1 		$35.6M Buy
+2,092,106
New +$28.8M 3.29% 8

Other funds holding QTTB

O
OrbiMed New York $5.05B AUM 125.28% 1-Year Est. Return
OM
Opaleye Management Boston, Massachusetts $759M AUM 124.8% 1-Year Est. Return
CG
Carlyle Group Washington, District of Columbia $10B AUM 10.61% 1-Year Est. Return
AVM
Arch Venture Management Chicago, Illinois $677M AUM 322.07% 1-Year Est. Return
ACA
Acorn Capital Advisors New York $352M AUM 299.18% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $83.3B AUM 31.19% 1-Year Est. Return
S
Sanofi Paris, France $534M AUM 205.96% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Atlas Venture Life Science Advisors's QTTB Position: Q1 2026 in Review

Atlas Venture Life Science Advisors held its Q32 Bio (QTTB) position steady in Q1 2026 at 2,092,106 shares worth $13.4M. The position accounts for 1.7% of the portfolio, ranked #5.

Atlas Venture Life Science Advisors first reported a position in QTTB in Q1 2024 and has held it in 9 quarters since. The position peaked at $93.3M in Q3 2024. 54 funds tracked by Wall St. Rank hold QTTB as of Q1 2026.

  • Atlas Venture Life Science Advisors held 2,092,106 shares of Q32 Bio worth $13.4M as of Q1 2026.
  • Atlas Venture Life Science Advisors left its Q32 Bio share count unchanged in Q1 2026.
  • Q32 Bio made up 1.7% of Atlas Venture Life Science Advisors's portfolio in Q1 2026, its #5 holding.
  • Atlas Venture Life Science Advisors first reported a position in Q32 Bio in Q1 2024 and has held it in 9 quarters since.
  • Atlas Venture Life Science Advisors's Q32 Bio position peaked at $93.3M in Q3 2024.
  • 54 funds tracked by Wall St. Rank held Q32 Bio as of Q1 2026.

Based on Atlas Venture Life Science Advisors's 13F filing for Q1 2026, filed 14 May 2026.