As of the latest SEC filings, Q32 Bio Inc. (QTTB) is held by 25 institutional funds. The largest fund shareholder is VANGUARD TOTAL STOCK MARKET INDEX FUND (VTI), holding an estimated $1,198,710.30 in market value, representing a significant portion of its portfolio.
Funds holding Q32 Bio Inc. (QTTB)
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- QTTB
- CIK:
- 0001661998
| Fund | Type | Manager | Weight | Market Value | Shares |
Report Date
|
Filing Date
|
|---|---|---|---|---|---|---|---|
|
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $1,198,710.30 | 186,715 | Mar 31, 2026 | May 28, 2026 |
|
VEMPX
VANGUARD EXTENDED MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $768,384.12 | 119,686 | Mar 31, 2026 | May 28, 2026 |
|
FSMAX
Fidelity Extended Market Index Fund
|
MF | Fidelity | 0.00% | $260,225.52 | 57,067 | Feb 28, 2026 | Apr 24, 2026 |
|
DFAS
Dimensional U.S. Small Cap ETF
|
ETF | Dimensional Fund Advisors | 0.00% | $82,051.20 | 14,652 | Apr 30, 2026 | Jun 29, 2026 |
|
BRUSX
Ultra-Small Company Fund
|
MF | Independent / Boutique | 0.09% | $80,975.46 | 12,613 | Mar 31, 2026 | May 21, 2026 |
|
FSKAX
Fidelity Total Market Index Fund
|
MF | Fidelity | 0.00% | $76,612.56 | 16,801 | Feb 28, 2026 | Apr 24, 2026 |
|
FCFMX
Fidelity Series Total Market Index Fund
|
MF | Fidelity | 0.00% | $62,389.92 | 13,682 | Feb 28, 2026 | Apr 24, 2026 |
|
FNCMX
Fidelity Nasdaq Composite Index Fund
|
MF | Fidelity | 0.00% | $29,626.32 | 6,497 | Feb 28, 2026 | Apr 24, 2026 |
|
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $11,786.22 | 1,354,738 | Mar 31, 2026 | May 28, 2026 |
|
DFSCX
U.S. MICRO CAP PORTFOLIO
|
MF | Dimensional Fund Advisors | 0.00% | $9,648.80 | 1,723 | Apr 30, 2026 | Jun 24, 2026 |
|
VEMPX
VANGUARD EXTENDED MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $4,662.70 | 535,943 | Mar 31, 2026 | May 28, 2026 |
|
DFSVX
U.S. SMALL CAP VALUE PORTFOLIO
|
MF | Dimensional Fund Advisors | 0.00% | $3,360.00 | 600 | Apr 30, 2026 | Jun 24, 2026 |
|
DFSV
Dimensional US Small Cap Value ETF
|
ETF | Dimensional Fund Advisors | 0.00% | $2,744.00 | 490 | Apr 30, 2026 | Jun 29, 2026 |
|
DFFVX
U.S. Targeted Value Portfolio
|
MF | Dimensional Fund Advisors | 0.00% | $1,904.00 | 340 | Apr 30, 2026 | Jun 24, 2026 |
|
-
Dimensional VA U.S. Targeted Value Portfolio
|
ETF | Dimensional Fund Advisors | 0.00% | $560.00 | 100 | Apr 30, 2026 | Jun 24, 2026 |
|
VITNX
VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND
|
MF | Vanguard | 0.00% | $268.34 | 30,844 | Mar 31, 2026 | May 28, 2026 |
|
KCEIX
Knights of Columbus U.S. ALL CAP INDEX FUND
|
MF | Independent / Boutique | 0.00% | $224.00 | 40 | Apr 30, 2026 | Jun 25, 2026 |
|
GUG
Guggenheim Active Allocation Fund
|
CEF | Guggenheim | 0.00% | $59.28 | 13 | Feb 27, 2026 | Apr 29, 2026 |
|
BXMYX
Blackstone Alternative Multi-Strategy Fund
|
MF | Independent / Boutique | 0.00% | $44.94 | 7 | Mar 31, 2026 | May 27, 2026 |
|
FSMAX
Fidelity Extended Market Index Fund
|
MF | Fidelity | 0.00% | $1.57 | 157,026 | Feb 28, 2026 | Apr 24, 2026 |
|
FSKAX
Fidelity Total Market Index Fund
|
MF | Fidelity | 0.00% | $0.62 | 61,627 | Feb 28, 2026 | Apr 24, 2026 |
|
FCFMX
Fidelity Series Total Market Index Fund
|
MF | Fidelity | 0.00% | $0.47 | 47,190 | Feb 28, 2026 | Apr 24, 2026 |
|
FESM
Fidelity Enhanced Small Cap ETF
|
ETF | Fidelity | 0.00% | $0.41 | 40,603 | Mar 31, 2026 | May 26, 2026 |
|
FNCMX
Fidelity Nasdaq Composite Index Fund
|
MF | Fidelity | 0.00% | $0.29 | 29,351 | Feb 28, 2026 | Apr 24, 2026 |
|
-
VIP Disciplined Small Cap Portfolio
|
ETF | Independent / Boutique | 0.00% | $0.22 | 22,439 | Mar 31, 2026 | May 26, 2026 |
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