QTTB · Q32 Bio Inc.
$15.10
-0.28 (-1.82%)
At close · Jul 24
Market Cap
$256.89M
Shares
16.96M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
The Jun 30, 2026 filing window is
still open — showing the latest known positions. Funds that have not filed yet
carry their prior-quarter positions; a fund that filed without this stock counts
as sold out.
Holders: 53
Total Value: $60,507,313
Total Shares: 9,424,489
Institutional Ownership Trend
10 quarters
Holder Concentration
Across 53 13F filersTop Holder
23.9%
of institutional value
Top 5
74.5%
of institutional value
Top 10
88.5%
of institutional value
HHI
1,440
Broadly held
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid ORBIMED ADVISORS LLC | $14,464,176 | 23.90% | 2,252,987 | Shares | Sole | 2026-05-15 | ||||
| Small Atlas Venture Life Science Advisors, LLC | $13,431,320 | 22.20% | 2,092,106 | Shares | Sole | 2026-05-14 | ||||
| Small Opaleye Management Inc. | $8,064,983 | 13.33% | 1,256,228 | Shares | Sole | 2026-05-15 | ||||
| Large Carlyle Group Inc. | $7,079,597 | 11.70% | 1,102,741 | Shares | Defined | 2026-05-08 | ||||
| Small ARCH Venture Management, LLC | $2,057,494 | 3.40% | 320,482 | Shares | Sole | 2026-05-15 | ||||
| Small ACORN CAPITAL ADVISORS, LLC | $2,022,633 | 3.34% | 315,052 | Shares | Sole | 2026-05-15 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $1,967,094 | 3.25% | 306,401 | Shares | Defined | 2026-05-15 | ||||
| Large MACKENZIE FINANCIAL CORP | $1,581,271 | 2.61% | 246,304 | Shares | Sole | 2026-05-13 | ||||
| Small Sanofi | $1,567,012 | 2.59% | 244,083 | Shares | Sole | 2026-05-07 | ||||
| Large RENAISSANCE TECHNOLOGIES LLC | $1,328,394 | 2.20% | 206,915 | Shares | Sole | 2026-05-14 | ||||
| Large ACADIAN ASSET MANAGEMENT LLC | $1,108,002 | 1.83% | 172,586 | Shares | Defined | 2026-05-13 | ||||
| Small MONIMUS CAPITAL MANAGEMENT, LP | $862,270 | 1.43% | 134,310 | Shares | Sole | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $758,534 | 1.25% | 118,152 | Shares | Defined | 2026-05-15 | ||||
| Small Pfizer Inc | $652,387 | 1.08% | 101,618 | Shares | Sole | 2026-05-12 | ||||
| Mega BlackRock, Inc. | $553,063 | 0.91% | 86,147 | Shares | Sole | 2026-05-13 | ||||
| Mega JANE STREET GROUP, LLC | $421,145 | 0.70% | 65,599 | Shares | Defined | 2026-05-12 | ||||
| Large MARSHALL WACE, LLP | $336,664 | 0.56% | 52,440 | Shares | Other | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $320,967 | 0.53% | 49,995 | Shares | Defined | 2026-05-08 | ||||
| Mega TWO SIGMA INVESTMENTS, LP | $271,861 | 0.45% | 42,346 | Shares | Sole | 2026-05-15 | ||||
| Mega STATE STREET CORP | $266,519 | 0.44% | 41,514 | Shares | Defined | 2026-05-15 | ||||
| Large Cambridge Investment Research Advisors, Inc. | $224,860 | 0.37% | 35,025 | Shares | Sole | 2026-04-30 | ||||
| Mid ADAR1 Capital Management, LLC | $224,700 | 0.37% | 35,000 | Shares | Sole | 2026-05-18 | ||||
| Mid Affinity Asset Advisors, LLC | $178,328 | 0.29% | 27,777 | Shares | Sole | 2026-05-14 | ||||
| Mega NORTHERN TRUST CORP Bank | $160,711 | 0.27% | 25,033 | Shares | Defined | 2026-05-14 | ||||
| Large Cetera Investment Advisers | $132,861 | 0.22% | 20,695 | Shares | Sole | 2026-05-13 | ||||
| Mega AMERICAN CENTURY COMPANIES INC | $120,503 | 0.20% | 18,770 | Shares | Defined | 2026-05-15 | ||||
| Mega CITADEL ADVISORS LLC | $99,388 | 0.16% | 15,481 | Shares | Defined | 2026-05-15 | ||||
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC | $80,975 | 0.13% | 12,613 | Shares | Sole | 2026-05-15 | ||||
| Mega MORGAN STANLEY | $61,373 | 0.10% | 9,560 | Shares | Defined | 2026-05-15 | ||||
| Mega FMR LLC | $21,828 | 0.04% | 3,400 | Shares | Defined | 2026-05-15 | ||||
| Mega ROYAL BANK OF CANADA Bank | $17,615 | 0.03% | 2,744 | Shares | Defined | 2026-05-15 | ||||
| Large FEDERATED HERMES, INC. | $14,592 | 0.02% | 2,273 | Shares | Defined | 2026-05-11 | ||||
| Mega Vanguard Global Advisers, LLC | $12,294 | 0.02% | 1,915 | Shares | Defined | 2026-05-08 | ||||
| Mid Tower Research Capital LLC (TRC) | $12,011 | 0.02% | 1,871 | Shares | Defined | 2026-05-15 | ||||
| Mid Arax Advisory Partners | $7,370 | 0.01% | 1,148 | Shares | Sole | 2026-05-13 | ||||
| Large Rockefeller Capital Management L.P. | $3,704 | 0.01% | 577 | Shares | Defined | 2026-05-14 | ||||
| Large JONES FINANCIAL COMPANIES LLLP | $3,210 | 0.01% | 500 | Shares | Sole | 2026-05-15 | ||||
| Mid EverSource Wealth Advisors, LLC | $3,057 | 0.01% | 240 | Shares | Sole | 2026-07-24 | ||||
| Large Russell Investments Group, Ltd. | $2,914 | 0.00% | 454 | Shares | Defined | 2026-05-08 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $1,945 | 0.00% | 303 | Shares | Defined | 2026-05-12 | ||||
| Mega UBS Group AG | $1,733 | 0.00% | 270 | Shares | Defined | 2026-05-05 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $1,197 | 0.00% | 94 | Shares | Defined | 2026-07-23 | ||||
| Large NISA INVESTMENT ADVISORS, LLC | $1,065 | 0.00% | 166 | Shares | Sole | 2026-04-30 | ||||
| Large OSAIC HOLDINGS, INC. | $796 | 0.00% | 124 | Shares | Defined | 2026-05-15 | ||||
| Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $712 | 0.00% | 111 | Shares | Defined | 2026-05-07 | ||||
| Mid Allworth Financial LP | $629 | 0.00% | 98 | Shares | Sole | 2026-05-15 | ||||
| Mega WELLS FARGO & COMPANY/MN | $539 | 0.00% | 84 | Shares | Defined | 2026-05-11 | ||||
| Large Federation des caisses Desjardins du Quebec | $448 | 0.00% | 70 | Shares | Defined | 2026-05-14 | ||||
| Large CWM, LLC | $250 | 0.00% | 39 | Shares | Sole | 2026-05-14 | ||||
| Mid GROUP ONE TRADING LLC | $218 | 0.00% | 34 | Shares | Sole | 2026-05-13 | ||||
| Mid HARBOUR INVESTMENTS, INC. | $70 | 0.00% | 11 | Shares | Sole | 2026-05-15 | ||||
| Small AdvisorNet Financial, Inc | $25 | 0.00% | 2 | Shares | Sole | 2026-07-23 | ||||
| Large DANSKE BANK A/S Bank | $6 | 0.00% | 1 | Shares | Sole | 2026-05-12 | ||||
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