Fund shareholders of Q32 Bio Inc
ISIN US7469641051 · United States · LEI 549300RWKPJEFTM3K452
- Fund shareholders
- 15
- Of which ETFs
- 2 13 other funds
- Value held
- 2.6M $
- Share of capital
- 1.4 % of 29.8M shares on Aug 3, 2026
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 186,715 | 1.2M $ | 0.00 % | 0.63 % | as of Mar 31, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 119,686 | 768.4K $ | 0.00 % | 0.40 % | as of Mar 31, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 57,067 | 260.2K $ | 0.00 % | 0.19 % | as of Feb 28, 2026 ↗ |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 16,801 | 76.6K $ | 0.00 % | 0.06 % | as of Feb 28, 2026 ↗ |
| Dimensional U.S. Small Cap ETF Dimensional ETF Trust | 14,652 | 82.1K $ | 0.00 % | 0.05 % | as of Apr 30, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 13,682 | 62.4K $ | 0.00 % | 0.05 % | as of Feb 28, 2026 ↗ |
| Ultra-Small Company Fund Bridgeway Funds, Inc. | 12,613 | 81K $ | 0.09 % | 0.04 % | as of Mar 31, 2026 ↗ |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 6,497 | 29.6K $ | 0.00 % | 0.02 % | as of Feb 28, 2026 ↗ |
| U.S. MICRO CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 1,723 | 9.6K $ | 0.00 % | 0.01 % | as of Apr 30, 2026 ↗ |
| U.S. SMALL CAP VALUE PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 600 | 3.4K $ | 0.00 % | as of Apr 30, 2026 ↗ | |
| Dimensional US Small Cap Value ETF Dimensional ETF Trust | 490 | 2.7K $ | 0.00 % | as of Apr 30, 2026 ↗ | |
| U.S. Targeted Value Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 340 | 1.9K $ | 0.00 % | as of Apr 30, 2026 ↗ | |
| Dimensional VA U.S. Targeted Value Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 100 | 560 $ | 0.00 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Knights of Columbus U.S. ALL CAP INDEX FUND ADVISORS' INNER CIRCLE III | 40 | 224 $ | 0.00 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds | 7 | 44.9 $ | 0.00 % | as of Mar 31, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table counts shares; this one measures what the company weighs inside each fund.
| Fund | Weight in fund | |
|---|---|---|
| Ultra-Small Company Fund Bridgeway Funds, Inc. | 0.09 % | as of Mar 31, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 0.00 % | as of Mar 31, 2026 ↗ |
| Dimensional U.S. Small Cap ETF Dimensional ETF Trust | 0.00 % | as of Apr 30, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 0.00 % | as of Feb 28, 2026 ↗ |
| Dimensional VA U.S. Targeted Value Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 0.00 % | as of Apr 30, 2026 ↗ |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 0.00 % | as of Feb 28, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 0.00 % | as of Feb 28, 2026 ↗ |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 0.00 % | as of Feb 28, 2026 ↗ |
| Knights of Columbus U.S. ALL CAP INDEX FUND ADVISORS' INNER CIRCLE III | 0.00 % | as of Apr 30, 2026 ↗ |
| U.S. MICRO CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 0.00 % | as of Apr 30, 2026 ↗ |
Quarter after quarter
Each SEC quarterly data set, newest first. The change is read against the quarter before it.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q2 | 15 | +5 | 431,013 | +22.2 % |
| 2026Q1 | 10 | -2 | 352,598 | +5.7 % |
| 2025Q4 | 12 | -21 | 333,595 | -29.0 % |
| 2025Q3 | 33 | -35 | 469,960 | -45.5 % |
| 2025Q2 | 68 | -13 | 862,478 | -25.3 % |
| 2025Q1 | 81 | -4 | 1,155,313 | -21.6 % |
| 2024Q4 | 85 | +53 | 1,473,921 | +217.6 % |
| 2024Q3 | 32 | +24 | 464,091 | +264.5 % |
| 2024Q2 | 8 | 127,327 |
Institutional managers
50 managers declare this company to the SEC (Form 13F); the 25 largest follow.
| Manager | Shares | Value | |
|---|---|---|---|
| ORBIMED ADVISORS LLC | 2,252,987 | 14.5M $ | as of Mar 31, 2026 |
| Atlas Venture Life Science Advisors, LLC | 2,092,106 | 13.4M $ | as of Mar 31, 2026 |
| Opaleye Management Inc. | 1,256,228 | 8.1M $ | as of Mar 31, 2026 |
| Carlyle Group Inc. | 1,102,741 | 7.1M $ | as of Mar 31, 2026 |
| ARCH Venture Management, LLC | 320,482 | 2.1M $ | as of Mar 31, 2026 |
| ACORN CAPITAL ADVISORS, LLC | 315,052 | 2M $ | as of Mar 31, 2026 |
| MACKENZIE FINANCIAL CORP | 246,304 | 1.6M $ | as of Mar 31, 2026 |
| Sanofi | 244,083 | 1.6M $ | as of Mar 31, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | 206,915 | 1.3M $ | as of Mar 31, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | 172,586 | 1.1K $ | as of Mar 31, 2026 |
| MONIMUS CAPITAL MANAGEMENT, LP | 134,310 | 862.3K $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 118,152 | 758.7K $ | as of Mar 31, 2026 |
| Pfizer Inc | 101,618 | 736.7K $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 86,147 | 553.1K $ | as of Mar 31, 2026 |
| JANE STREET GROUP, LLC | 65,599 | 421.1K $ | as of Mar 31, 2026 |
| MARSHALL WACE, LLP | 52,440 | 336.7K $ | as of Mar 31, 2026 |
| TWO SIGMA INVESTMENTS, LP | 42,346 | 271.9K $ | as of Mar 31, 2026 |
| STATE STREET CORP | 41,514 | 266.5K $ | as of Mar 31, 2026 |
| Cambridge Investment Research Advisors, Inc. | 35,025 | 225 $ | as of Mar 31, 2026 |
| ADAR1 Capital Management, LLC | 35,000 | 224.7K $ | as of Mar 31, 2026 |
| Affinity Asset Advisors, LLC | 27,777 | 178.3K $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 25,033 | 160.7K $ | as of Mar 31, 2026 |
| Cetera Investment Advisers | 20,695 | 132.9K $ | as of Mar 31, 2026 |
| AMERICAN CENTURY COMPANIES INC | 18,770 | 120.5K $ | as of Mar 31, 2026 |
| CITADEL ADVISORS LLC | 15,481 | 99.4K $ | as of Mar 31, 2026 |
Declared shareholders of Q32 Bio Inc
7 beneficial ownership filings. These stakes do not add up: an asset manager filing aggregates its own funds, already counted above.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| ORBIMED ADVISORS LLC and 2 others | 17.40 % | 4,127,987 | as of May 28, 2026 · SCHEDULE 13D |
| BIOTECHNOLOGY VALUE FUND L P and 9 others | 9.99 % | 2,367,524 | as of May 28, 2026 · SCHEDULE 13G |
| Sirenia Capital Management LP and 1 other | 9.90 % | 2,057,308 | as of Mar 31, 2026 · SCHEDULE 13G |
| RA Capital Management, L.P. and 3 others | 9.80 % | 2,332,457 | as of May 28, 2026 · SCHEDULE 13G |
| Opaleye Management Inc. and 2 others | 8.59 % | 1,256,228 | as of Mar 31, 2026 · SCHEDULE 13G |
| Point72 Asset Management, L.P. and 2 others | 5.70 % | 958,768 | as of Mar 31, 2026 · SCHEDULE 13G |
| Atlas Venture Fund X, L.P. and 11 others | 3.60 % | 864,261 | as of May 26, 2026 · SCHEDULE 13D |
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Titelia. "Fund shareholders of Q32 Bio Inc". https://titelia.com/en/stocks/q32-bio-inc-US7469641051