NASDAQ: QTTB
Q32 Bio Inc Stock Ownership - Who owns Q32 Bio?

Insider buying vs selling

Have Q32 Bio Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Lee KalowskiCFO and President2025-08-264,240$1.80
$7.64kSell
Jodie Pope MorrisonCEO2025-08-2610,494$1.80
$18.90kSell
Shelia M. VioletteChief Scientific Officer2025-08-262,990$1.80
$5.38kSell

1 of 1

QTTB insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when QTTB insiders and whales buy or sell their stock.

QTTB Shareholders

What type of owners hold Q32 Bio Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Arch Venture Fund VIII LP47.29%5,768,694$16.15MInsider
James E. Flynn33.51%4,087,305$11.44MInsider
Orbimed Advisors LLC18.47%2,252,987$6.31MInsider
Diyong Xu18.47%2,252,987$6.31MInsider
Orbimed Advisors LLC18.47%2,252,987$6.31MInstitution
Atlas Venture Fund X LP17.15%2,092,106$5.86MInsider
David S. Grayzel17.15%2,092,106$5.86MInsider
Atlas Venture Life Science Advisors LLC17.15%2,092,106$5.86MInstitution
Carlyle Group Inc9.04%1,102,741$3.09MInstitution
Mahendra Shah7.46%909,742$2.55MInsider

1 of 3

QTTB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
QTTB30.40%69.60%Net SellingNet Selling
MURA47.52%13.44%Net Selling
VRCA33.62%66.38%Net Selling
BCAB27.10%35.36%Net SellingNet Selling
EVAX0.42%0.00%

Q32 Bio Stock Ownership FAQ

Who owns Q32 Bio?

Q32 Bio (NASDAQ: QTTB) is owned by 73.61% institutional shareholders, 168.51% Q32 Bio insiders, and 0.00% retail investors. Arch Venture Fund VIII LP is the largest individual Q32 Bio shareholder, owning 5.77M shares representing 47.29% of the company. Arch Venture Fund VIII LP's Q32 Bio shares are currently valued at $17.13M.

If you're new to stock investing, here's how to buy Q32 Bio stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.