Also trades as: 0T6G.L (LSE) · $vol 0M
QTTB Institutional Ownership
Q32 Bio Inc.
1W: +1.0%
1M: -5.6%
3M: -40.5%
YTD: +153.2%
1Y: +193.3%
3Y: -53.0%
5Y: -92.1%
$8.71
+0.26 (+3.08%)
Weekly Expected Move ±11.2%
$7
$8
$9
$10
$11
Credit Risk of going bust: higher than 79% of companies Debt: 2.0% of company value Bonds: none of note held by US funds details ▾
Of US companies ranked in the third-riskiest tenth, about 1 in 140 filed for bankruptcy within a year (2020-2025).
If the stock fell to about $0.04 (down 99.5%), Q32 Bio Inc. would be worth roughly what it owes.
Total debt $5.3M against a stock market value of $259.3M.
Distance to default 2.72 (Merton model): prices to 2026-10-27, balance sheet 2026-06-30, debt counted $2.3M (short-term plus half of long-term), stock volatility 141.2%; Altman Z'' 12.11. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.
If the stock fell to about $0.04 (down 99.5%), Q32 Bio Inc. would be worth roughly what it owes.
Total debt $5.3M against a stock market value of $259.3M.
Distance to default 2.72 (Merton model): prices to 2026-10-27, balance sheet 2026-06-30, debt counted $2.3M (short-term plus half of long-term), stock volatility 141.2%; Altman Z'' 12.11. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.
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Institutional Ownership — QTTB
80
Institutional Holders
+19 vs prior quarter
0.0%
Ownership
+0.00pp
$280M
Total Invested
28
New Positions
17
Increased
22
Reduced
9
Closed
0.00
Put/Call Ratio
Ownership Trends
Top Institutional Holders (86 total)
| # | Holder | Shares | Value | Change | Change % | Holding Period | Filing |
|---|---|---|---|---|---|---|---|
| 1 | ORBIMED ADVISORS LLC | 4,127,987 | $36M | +1,875,000 | +83.2% | 10Q | SEC ↗ |
| 2 | Boxer Capital Management, LLC NEW | 3,149,310 | $27M | — | +0.0% | 1Q | SEC ↗ |
| 3 | Atlas Venture Life Science Advisors, L | 2,717,106 | $24M | +625,000 | +29.9% | 10Q | SEC ↗ |
| 4 | BVF INC/IL NEW | 2,350,000 | $20M | — | +0.0% | 1Q | SEC ↗ |
| 5 | RA CAPITAL MANAGEMENT, L.P. NEW | 2,332,457 | $20M | — | +0.0% | 1Q | SEC ↗ |
| 6 | Point72 Asset Management, L.P. NEW | 1,173,396 | $10M | — | +0.0% | 1Q | SEC ↗ |
| 7 | Opaleye Management Inc. | 931,000 | $8M | -325,228 | -25.9% | 3Q | SEC ↗ |
| 8 | Logos Global Management LP NEW | 800,000 | $7M | — | +0.0% | 1Q | SEC ↗ |
| 9 | SummitTX Capital, L.P. NEW | 733,774 | $6M | — | +0.0% | 1Q | SEC ↗ |
| 10 | VANGUARD CAPITAL MANAGEMENT LLC | 518,803 | $5M | +212,402 | +69.3% | 2Q | SEC ↗ |
| 11 | Ikarian Capital, LLC NEW | 430,000 | $4M | — | +0.0% | 1Q | SEC ↗ |
| 12 | Woodline Partners LP NEW | 286,212 | $2M | — | +0.0% | 1Q | SEC ↗ |
| 13 | AMERICAN CENTURY COMPANIES INC | 272,752 | $2M | +253,982 | +1353.1% | 2Q | SEC ↗ |
| 14 | Sanofi | 244,083 | $2M | — | +0.0% | 7Q | SEC ↗ |
| 15 | ACADIAN ASSET MANAGEMENT LLC | 218,234 | $2M | +45,648 | +26.4% | 6Q | SEC ↗ |
| 16 | ACORN CAPITAL ADVISORS, LLC | 216,171 | $2M | -98,881 | -31.4% | 7Q | SEC ↗ |
| 17 | RENAISSANCE TECHNOLOGIES LLC | 179,600 | $2M | -27,315 | -13.2% | 5Q | SEC ↗ |
| 18 | JANE STREET GROUP, LLC | 162,747 | $1M | +97,148 | +148.1% | 3Q | SEC ↗ |
| 19 | MONIMUS CAPITAL MANAGEMENT, LP | 132,036 | $1M | -2,274 | -1.7% | 2Q | SEC ↗ |
| 20 | BOOTHBAY FUND MANAGEMENT, LLC NEW | 130,427 | $1M | — | +0.0% | 1Q | SEC ↗ |
| 21 | GEODE CAPITAL MANAGEMENT, LLC | 122,690 | $1M | +4,538 | +3.8% | 10Q | SEC ↗ |
| 22 | CITADEL ADVISORS LLC | 120,663 | $1M | +105,182 | +679.4% | 4Q | SEC ↗ |
| 23 | BlackRock, Inc. | 118,507 | $1M | +32,360 | +37.6% | 8Q | SEC ↗ |
| 24 | MARSHALL WACE, LLP | 67,045 | $584K | +14,605 | +27.9% | 2Q | SEC ↗ |
| 25 | VANGUARD FIDUCIARY TRUST CO | 66,217 | $577K | +16,222 | +32.4% | 2Q | SEC ↗ |
| 26 | Carlyle Group Inc. | 60,363 | $526K | -1,042,378 | -94.5% | 10Q | SEC ↗ |
| 27 | STATE STREET CORP | 52,214 | $455K | +10,700 | +25.8% | 9Q | SEC ↗ |
| 28 | TWO SIGMA INVESTMENTS, LP | 49,582 | $432K | +7,236 | +17.1% | 4Q | SEC ↗ |
| 29 | Quadrature Capital Ltd NEW | 36,396 | $317K | — | +0.0% | 1Q | SEC ↗ |
| 30 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 34,613 | $301K | +22,000 | +174.4% | 2Q | SEC ↗ |
| 31 | DAFNA Capital Management LLC NEW | 32,896 | $287K | — | +0.0% | 1Q | SEC ↗ |
| 32 | Knott David M Jr NEW | 30,412 | $265K | — | +0.0% | 1Q | SEC ↗ |
| 33 | Affinity Asset Advisors, LLC | 27,777 | $242K | — | +0.0% | 10Q | SEC ↗ |
| 34 | Squarepoint Ops LLC NEW | 23,790 | $207K | — | +0.0% | 1Q | SEC ↗ |
| 35 | NORTHERN TRUST CORP | 23,631 | $206K | -1,402 | -5.6% | 8Q | SEC ↗ |
| 36 | DIMENSIONAL FUND ADVISORS LP NEW | 23,588 | $205K | — | +0.0% | 1Q | SEC ↗ |
| 37 | SUSQUEHANNA INTERNATIONAL GROUP, LLP NEW | 23,342 | $203K | — | +0.0% | 1Q | SEC ↗ |
| 38 | MANGROVE PARTNERS IM, LLC NEW | 22,150 | $193K | — | +0.0% | 1Q | SEC ↗ |
| 39 | LPL Financial LLC NEW | 18,170 | $158K | — | +0.0% | 1Q | SEC ↗ |
| 40 | Cambridge Investment Research Advisors | 18,081 | $157K | -16,944 | -48.4% | 2Q | SEC ↗ |
| 41 | HRT FINANCIAL LP NEW | 15,949 | $139K | — | +0.0% | 1Q | SEC ↗ |
| 42 | UBS Group AG | 15,008 | $131K | +14,738 | +5458.5% | 10Q | SEC ↗ |
| 43 | Balyasny Asset Management L.P. NEW | 12,342 | $107K | — | +0.0% | 1Q | SEC ↗ |
| 44 | ExodusPoint Capital Management, LP NEW | 11,336 | $99K | — | +0.0% | 1Q | SEC ↗ |
| 45 | MILLENNIUM MANAGEMENT LLC NEW | 10,928 | $95K | — | +0.0% | 1Q | SEC ↗ |
| 46 | XTX Topco Ltd NEW | 10,874 | $95K | — | +0.0% | 1Q | SEC ↗ |
| 47 | MORGAN STANLEY | 6,456 | $56K | -3,104 | -32.5% | 10Q | SEC ↗ |
| 48 | Vanguard Global Advisers, LLC | 4,824 | $42K | +2,909 | +151.9% | 2Q | SEC ↗ |
| 49 | FMR LLC | 3,388 | $30K | -12 | -0.4% | 10Q | SEC ↗ |
| 50 | CITIGROUP INC NEW | 2,888 | $25K | — | +0.0% | 1Q | SEC ↗ |
Recent Activity
New Positions (20)
| Holder | Shares | Value |
|---|---|---|
| Boxer Capital Management, LLC | 3,149,310 | $27M |
| BVF INC/IL | 2,350,000 | $20M |
| RA CAPITAL MANAGEMENT, L.P. | 2,332,457 | $20M |
| Point72 Asset Management, L.P. | 1,173,396 | $10M |
| Logos Global Management LP | 800,000 | $7M |
| SummitTX Capital, L.P. | 733,774 | $6M |
| Ikarian Capital, LLC | 430,000 | $4M |
| Woodline Partners LP | 286,212 | $2M |
| BOOTHBAY FUND MANAGEMENT, LLC | 130,427 | $1M |
| Quadrature Capital Ltd | 36,396 | $317K |
| DAFNA Capital Management LLC | 32,896 | $287K |
| Knott David M Jr | 30,412 | $265K |
| Squarepoint Ops LLC | 23,790 | $207K |
| DIMENSIONAL FUND ADVISORS LP | 23,588 | $205K |
| SUSQUEHANNA INTERNATIONAL GROUP, LL | 23,342 | $203K |
| MANGROVE PARTNERS IM, LLC | 22,150 | $193K |
| LPL Financial LLC | 18,170 | $158K |
| HRT FINANCIAL LP | 15,949 | $139K |
| Balyasny Asset Management L.P. | 12,342 | $107K |
| ExodusPoint Capital Management, LP | 11,336 | $99K |
Sold Out (14)
| Holder | Prev Shares | Prev Value |
|---|---|---|
| ARCH Venture Management, LLC | 320,482 | $3M |
| MACKENZIE FINANCIAL CORP | 246,304 | $2M |
| Pfizer Inc | 101,618 | $885K |
| Monaco Asset Management SAM | 50,919 | $444K |
| ADAR1 Capital Management, LLC | 35,000 | $305K |
| Cetera Investment Advisers | 20,695 | $180K |
| Scientech Research LLC | 15,510 | $135K |
| ROYAL BANK OF CANADA | 2,733 | $24K |
| Tower Research Capital LLC (TRC) | 1,871 | $16K |
| BANK OF AMERICA CORP /DE | 1,035 | $9K |
| JPMORGAN CHASE & CO | 324 | $3K |
| NORTHWESTERN MUTUAL WEALTH MANAGEME | 111 | $1K |
| WELLS FARGO & COMPANY/MN | 84 | $1K |
| BARCLAYS PLC | 19 | $0K |
Biggest Increases (17)
| Holder | Added | Change % | Total Shares |
|---|---|---|---|
| ORBIMED ADVISORS LLC | +1,875,000 | +83.2% | 4,127,987 |
| Atlas Venture Life Science Advisors | +625,000 | +29.9% | 2,717,106 |
| AMERICAN CENTURY COMPANIES INC | +253,982 | +1353.1% | 272,752 |
| VANGUARD CAPITAL MANAGEMENT LLC | +212,402 | +69.3% | 518,803 |
| CITADEL ADVISORS LLC | +105,182 | +679.4% | 120,663 |
| JANE STREET GROUP, LLC | +97,148 | +148.1% | 162,747 |
| ACADIAN ASSET MANAGEMENT LLC | +45,648 | +26.4% | 218,234 |
| BlackRock, Inc. | +32,360 | +37.6% | 118,507 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | +22,000 | +174.4% | 34,613 |
| VANGUARD FIDUCIARY TRUST CO | +16,222 | +32.4% | 66,217 |
| UBS Group AG | +14,738 | +5458.5% | 15,008 |
| MARSHALL WACE, LLP | +14,605 | +27.9% | 67,045 |
| STATE STREET CORP | +10,700 | +25.8% | 52,214 |
| TWO SIGMA INVESTMENTS, LP | +7,236 | +17.1% | 49,582 |
| GEODE CAPITAL MANAGEMENT, LLC | +4,538 | +3.8% | 122,690 |
| Vanguard Global Advisers, LLC | +2,909 | +151.9% | 4,824 |
| Allworth Financial LP | +10 | +10.2% | 108 |
Biggest Decreases (13)
| Holder | Reduced | Change % | Total Shares |
|---|---|---|---|
| Carlyle Group Inc. | -1,042,378 | -94.5% | 60,363 |
| Opaleye Management Inc. | -325,228 | -25.9% | 931,000 |
| ACORN CAPITAL ADVISORS, LLC | -98,881 | -31.4% | 216,171 |
| RENAISSANCE TECHNOLOGIES LLC | -27,315 | -13.2% | 179,600 |
| Cambridge Investment Research Advis | -16,944 | -48.4% | 18,081 |
| EverSource Wealth Advisors, LLC | -4,400 | -94.8% | 240 |
| MORGAN STANLEY | -3,104 | -32.5% | 6,456 |
| MONIMUS CAPITAL MANAGEMENT, LP | -2,274 | -1.7% | 132,036 |
| NORTHERN TRUST CORP | -1,402 | -5.6% | 23,631 |
| FEDERATED HERMES, INC. | -1,223 | -53.8% | 1,050 |
| Arax Advisory Partners | -37 | -3.2% | 1,111 |
| FMR LLC | -12 | -0.4% | 3,388 |
| SBI Securities Co., Ltd. | -10 | -9.6% | 94 |