QTTB
Q32 Bio Inc.Closed8.06−0.68 −7.78%USD
NasdaqCM · as of Oct 13, 16:00 ET · 15m delayAfter hours 8.07 +0.12%
Open
8.69
Prev close
8.74
Day range
7.898.69
52-week range
1.9123.57
Volume
719.76K0.83×
Mkt cap
239.94M
P/E ttm
2.56
Fwd P/E
-7.90
EPS ttm
3.15
Div yield
0.00%
Earnings
—
From 52w high
−65.80%
QTTB shareholders
QTTB Ownership
13F / N-PORT filings via Yahoo
Institutions
87.7%
89.6% of the float
Insiders
2.1%
officers and directors
Institutional holders
95
filing positions
Top 10 institutions
63.3%
9 adding · 1 trimming
Top Institutions
| Holder | % held | Shares | Value | Change | As of |
|---|---|---|---|---|---|
| Orbimed Advisors LLC. | 13.87% | 4.13M | $33.27M | +83.2% | Jun 30, 2026 |
| Boxer Capital Management, LLC | 10.58% | 3.15M | $25.38M | +100.0% | Jun 30, 2026 |
| Atlas Venture Life Science Advisors, LLC | 9.13% | 2.72M | $21.90M | +29.9% | Jun 30, 2026 |
| BVF Inc. | 7.89% | 2.35M | $18.94M | +100.0% | Jun 30, 2026 |
| RA Capital Management, L.P. | 7.84% | 2.33M | $18.80M | +100.0% | Jun 30, 2026 |
| Point72 Asset Management, L.P. | 3.94% | 1.17M | $9.46M | +100.0% | Jun 30, 2026 |
| Opaleye Management Inc. | 3.13% | 931.00K | $7.50M | −25.9% | Jun 30, 2026 |
| Logos Global Management LP | 2.69% | 800.00K | $6.45M | +100.0% | Jun 30, 2026 |
| Summittx Capital, L.P. | 2.46% | 733.77K | $5.91M | +100.0% | Jun 30, 2026 |
| Vanguard Capital Management LLC | 1.74% | 518.80K | $4.18M | +69.3% | Jun 30, 2026 |
Top Funds
| Holder | % held | Shares | Value | Change | As of |
|---|---|---|---|---|---|
| American Century ETF Trust-Avantis U.S. Small Cap Value ETF | 1.74% | 518.25K | $4.18M | +85.5% | Aug 31, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 1.31% | 389.12K | $3.14M | +108.4% | Jun 30, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 0.40% | 119.27K | $961.31K | −0.3% | Jun 30, 2026 |
| Fidelity Concord Street Trust-Fidelity Extended Market Index Fund | 0.17% | 50.74K | $408.98K | −0.5% | Aug 31, 2026 |
| First TRT Exch-Trd Fd.-First TRT Dow Jones Select MicroCap Index Fd. | 0.15% | 45.41K | $366.01K | +100.0% | Aug 31, 2026 |
| Bridgeway Funds, Inc.-Ultra-Small Company Fund | 0.12% | 34.61K | $278.98K | +174.4% | Jun 30, 2026 |
| iShares Trust-iShares Micro-Cap ETF | 0.10% | 29.27K | $235.92K | +0.7% | Aug 31, 2026 |
| American Century ETF Trust-Avantis U.S. Small Cap Equity ETF | 0.08% | 22.62K | $182.33K | +68.8% | Aug 31, 2026 |
| Fidelity Concord Street Trust-Fidelity Nasdaq Composite Index Fund | 0.08% | 23.79K | $191.78K | +68.9% | Aug 31, 2026 |
| Fidelity Concord Street Trust-Fidelity Total Market Index Fund | 0.07% | 19.79K | $159.52K | 0.0% | Aug 31, 2026 |
Institutions report quarterly, up to 45 days after the quarter ends, so these positions can be months old. Change compares the share count with the holder's previous filing. Insider transactions are on the overview page (INSD).