Q32 BIO INC (QTTB) Institutional Ownership Changes & 13F Activity
Q32 BIO INC (QTTB). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Boxer Capital Management, Llc, Bvf Inc/Il, Ra Capital Management, L.P., Orbimed Advisors Llc, and Point72 Asset Management, L.P..
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| State Street Corp | Buy | +10,700 | +25.8% | 52,214 | $665.21K | Q2 2026 | Sep 22, 2026 |
| Citadel Advisors Llc | Buy | +105,182 | +679.4% | 120,663 | $1.54M | Q2 2026 | Sep 02, 2026 |
| Boxer Capital Management, Llc | Buy | +3,149,310 | — | 3,149,310 | $40.12M | Q2 2026 | Aug 14, 2026 |
| Bvf Inc/Il | Buy | +2,350,000 | — | 2,350,000 | $29.94M | Q2 2026 | Aug 14, 2026 |
| Ra Capital Management, L.P. | Buy | +2,332,457 | — | 2,332,457 | $29.72M | Q2 2026 | Aug 14, 2026 |
| Orbimed Advisors Llc | Buy | +1,875,000 | +83.2% | 4,127,987 | $52.59M | Q2 2026 | Aug 14, 2026 |
| Point72 Asset Management, L.P. | Buy | +1,173,396 | — | 1,173,396 | $14.95M | Q2 2026 | Aug 14, 2026 |
| Logos Global Management Lp | Buy | +800,000 | — | 800,000 | $10.19M | Q2 2026 | Aug 14, 2026 |
| Summittx Capital, L.P. | Buy | +733,774 | — | 733,774 | $9.35M | Q2 2026 | Aug 14, 2026 |
| Ikarian Capital, Llc | Buy | +430,000 | — | 430,000 | $5.48M | Q2 2026 | Aug 14, 2026 |
| Opaleye Management Inc. | Sell | -325,228 | -25.9% | 931,000 | $11.86M | Q2 2026 | Aug 14, 2026 |
| Woodline Partners Lp | Buy | +286,212 | — | 286,212 | $3.65M | Q2 2026 | Aug 14, 2026 |
| Boothbay Fund Management, Llc | Buy | +130,427 | — | 130,427 | $1.66M | Q2 2026 | Aug 14, 2026 |
| Acorn Capital Advisors, Llc | Sell | -98,881 | -31.4% | 216,171 | $2.75M | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Buy | +97,148 | +148.1% | 162,747 | $2.07M | Q2 2026 | Aug 14, 2026 |
| Dafna Capital Management Llc | Buy | +32,896 | — | 32,896 | $419.10K | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops Llc | Buy | +23,790 | — | 23,790 | $303.08K | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Buy | +23,342 | — | 23,342 | $297.38K | Q2 2026 | Aug 14, 2026 |
| Mangrove Partners Im, Llc | Buy | +22,150 | — | 22,150 | $282.19K | Q2 2026 | Aug 14, 2026 |
| Bridgeway Capital Management, Llc | Buy | +22,000 | +174.4% | 34,613 | $440.97K | Q2 2026 | Aug 14, 2026 |
| Hrt Financial Lp | Buy | +15,949 | — | 15,949 | $203.00K | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Buy | +12,342 | — | 12,342 | $157.24K | Q2 2026 | Aug 14, 2026 |
| Exoduspoint Capital Management, Lp | Buy | +11,336 | — | 11,336 | $144.42K | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +10,928 | — | 10,928 | $139.22K | Q2 2026 | Aug 14, 2026 |
| Xtx Topco Ltd | Buy | +10,874 | — | 10,874 | $138.53K | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Buy | +7,236 | +17.1% | 49,582 | $631.67K | Q2 2026 | Aug 14, 2026 |
| Royal Bank Of Canada | Sell | -2,701 | -98.4% | 43 | $0.00 | Q2 2026 | Aug 14, 2026 |
| Monimus Capital Management, Lp | Sell | -2,274 | -1.7% | 132,036 | $1.68M | Q2 2026 | Aug 14, 2026 |
| Atlas Venture Life Science Advisors, Llc | Buy | +625,000 | +29.9% | 2,717,106 | $34.62M | Q2 2026 | Aug 13, 2026 |
| Vanguard Capital Management Llc | Buy | +212,402 | +69.3% | 518,803 | $6.61M | Q2 2026 | Aug 13, 2026 |
Frequently asked questions about QTTB activity
Which institutional owners are buying QTTB?
Institutional owners buying QTTB include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in QTTB activity?
"Buy" means an investor increased their reported position in QTTB compared to the prior reporting period. This reflects growing exposure to Q32 BIO INC (QTTB) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in QTTB increasing?
Institutional interest in QTTB can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related QTTB Institutional Insights
- QTTB Overview
- QTTB 13F Institutional Holders
- QTTB Top Institutional Shareholders
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- QTTB Insider Trading & SEC Form 4 Activity
- QTTB Articles
- Top Institutional Investor Stock Rankings