Q32 Bio
QTTB · NASDAQ
$8.62−$0.11 (−1.26%)TodayMarket closed ·
Prev close $8.73
Who owns QTTB
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 63.9% of QTTB’s shares.
- OrbiMed Advisors, LLC13.9%
- Boxer Capital Management, LLC10.6%
- Atlas Venture9.1%
- BVF Partners L.P.7.9%
- Next 6 largest institutions22.4%
- All other shareholders36.1%
| Holder | Shares | % of shares |
|---|---|---|
| OrbiMed Advisors, LLC | 4.13M | 13.87% |
| Boxer Capital Management, LLC | 3.15M | 10.58% |
| Atlas Venture | 2.72M | 9.13% |
| BVF Partners L.P. | 2.35M | 7.90% |
| RA Capital Management, LP | 2.33M | 7.84% |
| Point72 Asset Management, L.P. | 1.17M | 3.94% |
| Opaleye Management Inc. | 931.00K | 3.13% |
| Logos Global Management LP | 800.00K | 2.69% |
| Crestline Investors, Inc. | 733.77K | 2.47% |
| The Carlyle Group | 691.74K | 2.32% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 755.25K | 2.54% |
| Avantis US Small Cap Value ETF | 510.36K | 1.71% |
| JPMorgan Small Cap Growth Fund | 508.06K | 1.71% |
| JPM Small Cap Blend Fund | 161.06K | 0.54% |
| Vanguard Extended Market Index Fund | 119.27K | 0.40% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $30.00M (4 trades) and sold $320.40K (6 trades) of QTTB on the open market.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Violette Shelia M. | Sale | 917 | $7.63K |
| Kalowski Lee | Sale | 1.30K | $10.82K |
| Morrison Jodie Pope | Sale | 3.22K | $26.80K |
| Violette Shelia M. | Sale | 2.80K | $46.33K |
| Kalowski Lee | Sale | 3.97K | $65.78K |
| Morrison Jodie Pope | Sale | 9.85K | $163.03K |
| Violette Shelia M. | Award | 37.50K | — |
| Kalowski Lee | Award | 53.25K | — |
| Morrison Jodie Pope | Award | 132.00K | — |
| Manke Isaac | Option exercise | 53.52K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 4.67M
- Days to cover
- 4.31
- % of shares outstanding
- 15.70%
- Average daily volume
- 1.08M
- Change since last report
- +23.8%
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