Skip to main content

Q32 Bio Inc. hedge fund holdings

QTTBNASDAQ
$8.37+0.14 (+1.70% today)

Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.

Price vs funds buying and selling

QTTB · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+285.7%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.

Price and fund activity data

Quarterly 13F fund buying and selling activity
QuarterFunds buyingFunds sellingBoughtSoldFilersReported
Q2 20251931$457K$1.1M60Aug 14, 2025
Q3 20251230$239K$1.31M51Nov 14, 2025
Q4 20251424$1.56M$2.87M48Feb 14, 2026
Q1 20261814$12.1M$3.15M48May 15, 2026
Q2 20263917$167M$28.4M66Aug 14, 2026

Quarterly action breakdown

Q2 2026
66 filers
New position
24
$148M+11.6M sh
Increased
15
$18.7M+1.47M sh
Reduced
10
-$19.2M-1.51M sh
Out / sold
7
-$9.25M-726K sh
Last 4 quarters · free
Reported Aug 14, 2026
FundActionChange in dollarValue% of portfolioReported
Boxer Capital Management, LLCNew Buy+$40.1M$40.1M3.02%Aug 14, 2026
BVF IncNew Buy+$29.9M$29.9M0.77%Aug 14, 2026
Ra Capital Management, L.P.New Buy+$29.7M$29.7M0.26%Aug 14, 2026
Carlyle Group Inc.Reduce 94.53%-$13.3M$769K0.01%Aug 7, 2026
Logos Global Management LPNew Buy+$10.2M$10.2M0.44%Aug 14, 2026
SummitTX Capital, L.P.New Buy+$9.35M$9.35M0.24%Aug 14, 2026
Atlas Venture Life Science Advisors, LLCAdded 29.87%+$7.96M$34.6M3.93%Aug 13, 2026
Ikarian Capital, LLCNew Buy+$5.48M$5.48M0.59%Aug 14, 2026
Opaleye Management Inc.Reduce 25.89%-$4.14M$11.9M1.07%Aug 14, 2026
ARCH Venture Management, LLCSell 100%-$2.06M$00.00%Aug 14, 2026
Acorn Capital Advisors, LLCReduce 31.39%-$1.26M$2.75M0.75%Aug 14, 2026
Pfizer IncSell 100%-$737K$00.00%Aug 13, 2026
DAFNA Capital Management LLCNew Buy+$419K$419K0.08%Aug 14, 2026
Knott David M JrNew Buy+$387K$387K0.20%Aug 12, 2026
ADAR1 Capital Management, LLCSell 100%-$225K$00.00%Aug 14, 2026
Monimus Capital Management, LPReduce 1.69%-$29K$1.68M0.39%Aug 14, 2026
Private Wealth Asset Management, LLCNew Buy+$21.7K$21.7K0.00%Aug 11, 2026
Truvestments Capital LLCNew Buy+$2.06K$2.06K0.00%Aug 12, 2026

Not investment advice. We make every effort to keep the information on SpoorBase accurate, but errors may occur. SpoorBase does not guarantee the accuracy or completeness of any data, and any use of the information is at the user’s sole responsibility. Valuation multiples are calculated by SpoorBase and may contain errors. See Disclosures. © 2026 SpoorBase. All rights reserved.