QTTB
Q32 BIO (QTTB)
NASDAQ
$12.00-$0.64 (-5.06%)
Price as of Jun 03, 2026 6:02 PM EDT
  • $187.4M
    Market Cap
  • 558.33%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
ORBIMED ADVISORS LLC
17.63%
2.3M
0 (0.00%)
Mar 31, 2026
ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC
16.37%
2.1M
0 (0.00%)
Mar 31, 2026
OPALEYE MANAGEMENT INC.
9.83%
1.3M
+1.0M (+83.02%)
Mar 31, 2026
CARLYLE GROUP INC.
8.63%
1.1M
0 (0.00%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
3.66%
467,442
+58,783 (+12.58%)
Dec 31, 2024
BLACKROCK INC.
2.68%
342,269
+297,696 (+86.98%)
Jun 30, 2024
VANGUARD GROUP INC
2.51%
321,051
+25,642 (+7.99%)
Dec 31, 2025

Current Ownership Distribution

  • Institutions54.1M (82.23%)
  • Mutual Funds7.8M (11.79%)
  • Insiders3.9M (5.99%)
  • Other0 (0.00%)

Insider Transactions

  • 5.99% (3.9M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $18.0M
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $795,661.86
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
ORBIMED ADVISORS LLC
Buy
May 28, 2026
$10.0M
1.3M
$8.00
3.5M
ORBIMED ADVISORS LLC
Buy
May 28, 2026
$5.0M
625,000
$8.00
625,000
Violette Shelia M.
Chief Scientific Officer
Sell
Feb 25, 2026
$12,708.04
2,815
$4.51
55,569
Morrison Jodie Pope
CEO
Sell
Feb 25, 2026
$44,674.50
9,896
$4.51
89,104
Violette Shelia M.
Chief Scientific Officer
Award
Feb 24, 2026
$0.00
37,500
$0.00
93,069
Kalowski Lee
CFO and President
Award
Feb 24, 2026
$0.00
53,250
$0.00
89,193
Morrison Jodie Pope
CEO
Award
Feb 24, 2026
$0.00
132,000
$0.00
221,104
Thistle Mary
Award
Oct 23, 2025
$0.00
53,521
$0.00
53,521
GRAYZEL DAVID S.
Award
Oct 23, 2025
$0.00
53,521
$0.00
53,521
LAPORTE KATHLEEN
Award
Oct 23, 2025
$0.00
53,521
$0.00
53,521
Morrison Jodie Pope
CEO
Sell
Aug 26, 2025
$18,899.69
10,494
$1.80
121,506
Manke Isaac
Return
Feb 24, 2025
$0.00
12,767
$0.00
0
Xu Diyong
Return
Feb 24, 2025
$0.00
12,767
$0.00
0
Violette Shelia M.
Chief Scientific Officer
Return
Feb 24, 2025
$0.00
32,891
$0.00
0
Iwicki Mark T
Return
Feb 24, 2025
$0.00
37,222
$0.00
0
Morrison Jodie Pope
CEO
Return
Feb 24, 2025
$0.00
152,700
$0.00
0
GRAYZEL DAVID S.
Return
Feb 24, 2025
$0.00
18,595
$0.00
0
Campagna Jason
Chief Medical Officer
Return
Feb 24, 2025
$0.00
87,738
$0.00
0
Iwicki Mark T
Award
Feb 24, 2025
$0.00
37,222
$0.00
37,222
Kalowski Lee
CFO and President
Return
Feb 24, 2025
$0.00
16,901
$0.00
0
Xu Diyong
Award
Feb 24, 2025
$0.00
12,767
$0.00
12,767
Violette Shelia M.
Chief Scientific Officer
Award
Feb 24, 2025
$0.00
32,891
$0.00
32,891
Iwicki Mark T
Return
Feb 24, 2025
$0.00
7,615
$0.00
0
Morrison Jodie Pope
CEO
Award
Feb 24, 2025
$0.00
152,700
$0.00
152,700
GRAYZEL DAVID S.
Award
Feb 24, 2025
$0.00
18,595
$0.00
18,595
Campagna Jason
Chief Medical Officer
Award
Feb 24, 2025
$0.00
87,738
$0.00
87,738
Iwicki Mark T
Award
Feb 24, 2025
$0.00
7,615
$0.00
7,615
Manke Isaac
Award
Feb 24, 2025
$0.00
12,767
$0.00
12,767
LAPORTE KATHLEEN
Return
Feb 24, 2025
$0.00
5,431
$0.00
0
Violette Shelia M.
Chief Scientific Officer
Return
Feb 24, 2025
$0.00
13,305
$0.00
0