Q32 Bio Inc. - Common stock, par value $0.0001 per share (QTTB)

Historical Holders from Q1 2024 to Q3 2025

Type / Class
Equity / Common stock, par value $0.0001 per share
Symbol
QTTB on Nasdaq
Shares outstanding
12,210,000
Price per share
$1.98
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares as of 30 Sep 2025
8,428,600
Holdings value
$16,632,224
% of all portfolios
0%
Share change
-549,799
Value change
-$986,455
Average buys %
+0%
Average sells %
-0%
Number of holders
52
Price from insider filings
$3.46
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Q32 Bio Inc. - Common stock, par value $0.0001 per share (QTTB) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BRISTOL MYERS SQUIBB CO 1.6% $312,381 200,244 BRISTOL MYERS SQUIBB CO 31 Dec 2024
As of 30 Sep 2025, Q32 Bio Inc. - Common stock, par value $0.0001 per share (QTTB) has 52 institutional shareholders filing 13F forms. They hold 8,428,600 shares of 12,210,000 outstanding shares (69%) .

Top 25 institutional shareholders own 69% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
ORBIMED ADVISORS LLC 18% 2,252,987 0% 0.11% $4,460,914
Atlas Venture Life Science Advisors, LLC 17% 2,092,106 0% 0.55% $4,142,370
Carlyle Group Inc. 9% 1,102,741 0% 0.05% $2,128,290
ACORN CAPITAL ADVISORS, LLC 6.6% 803,425 0% 0.81% $1,590,782
ARCH Venture Management, LLC 2.6% 320,482 0% 0.13% $634,554
Monaco Asset Management SAM 2.5% 311,137 -47% 0.23% $616,051
VANGUARD GROUP INC 2.4% 295,409 +9.6% 0% $584,910
Pfizer Inc 2.3% 277,777 0% 0.13% $549,998
Sanofi 2% 244,083 0% 0.19% $483,284
Trustees of Columbia University in the City of New York 1.1% 133,903 0% 0.04% $265,128
MILLENNIUM MANAGEMENT LLC 0.86% 104,772 -20% 0% $207,449
BlackRock, Inc. 0.76% 93,005 -48% 0% $184,151
GEODE CAPITAL MANAGEMENT, LLC 0.72% 88,496 +44% 0% $175,285
RENAISSANCE TECHNOLOGIES LLC 0.39% 47,300 -39% 0% $93,654
NORTHERN TRUST CORP 0.26% 31,953 +23% 0% $63,267
TWO SIGMA INVESTMENTS, LP 0.26% 31,506 0% $62,382
ACADIAN ASSET MANAGEMENT LLC 0.24% 29,739 0% 0% $58,000
Affinity Asset Advisors, LLC 0.23% 27,777 0% 0.01% $54,998
STATE STREET CORP 0.17% 21,237 -21% 0% $42,049
FMR LLC 0.13% 15,867 -63% 0% $31,417
HRT FINANCIAL LP 0.12% 14,836 0% $29,000
TWO SIGMA SECURITIES, LLC 0.11% 13,749 0% $27,223
MORGAN STANLEY 0.09% 11,343 -39% 0% $22,458
DLK Investment Management, LLC 0.08% 10,333 0% 0.01% $20,459
CITADEL ADVISORS LLC 0.08% 10,117 0% $20,032

Institutional Holders of Q32 Bio Inc. - Common stock, par value $0.0001 per share (QTTB) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q3 8,428,600 $16,632,224 -$986,455 $1.98 52
2025 Q2 8,978,370 $13,355,302 -$657,201 $1.49 59
2025 Q1 9,406,123 $15,511,257 -$5,227,234 $1.65 71
2024 Q4 10,994,953 $37,808,803 -$51,251,129 $3.44 88
2024 Q3 9,108,413 $405,845,227 +$55,628,540 $44.62 71
2024 Q2 8,065,328 $144,178,979 +$11,388,677 $17.95 54
2024 Q1 7,430,290 $125,894,701 +$125,894,701 $17.04 38