QTTB · Insider trading · 13F holders · Congress trades
Q32 Bio Inc. (QTTB)
Who is buying and selling QTTB: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 11
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $320K
- Congress trades, 12 months
- 0
QTTB at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 3 QTTB insiders filed 6 sales worth $320K on SEC Form 4, and no open-market purchases.
- 11 13F filers hold QTTB among their 50 largest positions, worth $193.1M combined. The biggest bets by portfolio weight are Boxer Capital Management, LLC (3.0%), Opaleye Management Inc. (1.1%) and Orbimed Advisors LLC (1.0%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in QTTB.
- QTTB last closed at $8.87 on Oct 29, 2026.
QTTB insider trading
Between Aug 1, 2026 and Oct 29, 2026, 3 QTTB insiders filed 6 sales worth $320K on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Oct 14, 2026 | Morrison Jodie Pope | CEO, Director | Sale | 3,221 | $8.32 | $27K | SEC |
| Oct 14, 2026 | Kalowski Lee | CFO and President | Sale | 1,301 | $8.32 | $11K | SEC |
| Oct 14, 2026 | Violette Shelia M. | Chief Scientific Officer | Sale | 917 | $8.32 | $8K | SEC |
| Aug 27, 2026 | Morrison Jodie Pope | CEO, Director | Sale | 9,845 | $16.56 | $163K | SEC |
| Aug 27, 2026 | Kalowski Lee | CFO and President | Sale | 3,972 | $16.56 | $66K | SEC |
| Aug 27, 2026 | Violette Shelia M. | Chief Scientific Officer | Sale | 2,798 | $16.56 | $46K | SEC |
Who owns QTTB? Hedge funds and superinvestors
11 13F filers hold QTTB among their 50 largest positions, worth $193.1M combined. The biggest bets by portfolio weight are Boxer Capital Management, LLC (3.0%), Opaleye Management Inc. (1.1%) and Orbimed Advisors LLC (1.0%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Orbimed Advisors LLCHedge fund | 1.0% | $52.6M | 4,127,987 | — | Q2 2026 |
| Boxer Capital Management, LLCHedge fund | 3.0% | $40.1M | 3,149,310 | — | Q2 2026 |
| Atlas Venture Life Science Advisors, LLCVenture capital | 3.9% | $34.6M | 2,717,106 | +29.9% shares | Q2 2026 |
| Bvf Inc/ilInvestment manager | 0.8% | $29.9M | 2,350,000 | New | Q2 2026 |
| Opaleye Management Inc.Hedge fund | 1.1% | $11.9M | 931,000 | -25.9% shares | Q2 2026 |
| Logos Global Management LPHedge fund | 0.4% | $10.2M | 800,000 | — | Q2 2026 |
| Ikarian Capital, LLCHedge fund | 0.9% | $5.5M | 430,000 | — | Q2 2026 |
| SanofiCorporation | 0.6% | $3.1M | 244,083 | +0.0% shares | Q2 2026 |
| Acorn Capital Advisors, LLCHedge fund | 0.8% | $2.8M | 216,171 | -31.4% shares | Q2 2026 |
| Monimus Capital Management, LPHedge fund | 0.4% | $1.7M | 132,036 | — | Q2 2026 |
| Carlyle Group Inc.Hedge fund | 0.0% | $769K | 60,363 | -94.5% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 11). Screen QTTB in the grand portfolio →
QTTB stock trades by members of Congress
No member of Congress has disclosed a trade in QTTB.
QTTB questions and answers
Are insiders buying QTTB stock?
Between Aug 1, 2026 and Oct 29, 2026, 3 QTTB insiders filed 6 sales worth $320K on SEC Form 4, and no open-market purchases.
Which hedge funds own QTTB?
11 13F filers hold QTTB among their 50 largest positions, worth $193.1M combined. The biggest bets by portfolio weight are Boxer Capital Management, LLC (3.0%), Opaleye Management Inc. (1.1%) and Orbimed Advisors LLC (1.0%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
Has Congress traded QTTB?
No member of Congress has disclosed a trade in QTTB.
Who is the largest holder of QTTB?
Among 13F filers, Orbimed Advisors LLC reports the largest QTTB position, $52.6M (4,127,987 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Boxer Capital Management, LLC's: 3.0% of its portfolio.
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