BOLD
BOUNDLESS BIO (BOLD)
NASDAQ
$2.68+$0.08 (+3.08%)
Price as of Jun 23, 2026 7:59 PM EDT
  • $31.4M
    Market Cap
  • 140.74%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
FMR LLC
12.00%
2.7M
+11,433 (+0.42%)
Mar 31, 2026
BB BIOTECH AG
6.10%
1.4M
+600,200 (+43.82%)
Mar 31, 2019
CITADEL ADVISORS LLC
5.97%
1.3M
-11,773 (-0.88%)
Mar 31, 2026
NEXTECH INVEST LTD.
5.47%
1.2M
0 (0.00%)
Dec 31, 2024
BOXER CAPITAL, LLC
3.17%
711,329
0 (0.00%)
Sep 30, 2024
SECTORAL ASSET MANAGEMENT INC
3.02%
678,574
0 (0.00%)
Mar 31, 2026
VANGUARD GROUP INC
2.95%
662,757
+93,100 (+14.05%)
Dec 31, 2025

Current Ownership Distribution

  • Mutual Funds89.3M (57.18%)
  • Institutions65.3M (41.81%)
  • Insiders1.6M (1.01%)
  • Other0 (0.00%)

Insider Transactions

  • 1.01% (1.6M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Whiting Nancy
Award
Jun 15, 2026
$0.00
32,000
$0.00
32,000
Oien Jessica
See Remarks
Award
Jan 23, 2026
$0.00
220,000
$0.00
220,000
Hassig Christian
Chief Scientific Officer
Award
Jan 23, 2026
$0.00
230,000
$0.00
230,000
HINKLE DAVID A
See Remarks
Award
Jan 23, 2026
$0.00
140,000
$0.00
140,000
Doebele Robert
Chief Medical Officer
Award
Jan 23, 2026
$0.00
230,000
$0.00
230,000
Christensen James
Award
Jun 23, 2025
$0.00
16,000
$0.00
16,000
Whiting Nancy
Award
Jun 23, 2025
$0.00
16,000
$0.00
16,000
Burow Kristina
Award
Jun 23, 2025
$0.00
16,000
$0.00
16,000
Lim Jonathan E
Award
Jun 23, 2025
$0.00
24,000
$0.00
24,000
Brennan Christine
Award
Jun 23, 2025
$0.00
16,000
$0.00
16,000
Lew Jennifer
Award
Jun 23, 2025
$0.00
16,000
$0.00
16,000
Doebele Robert
Chief Medical Officer
Award
Feb 03, 2025
$0.00
180,000
$0.00
180,000
Hornby Zachary
President & CEO
Award
Jan 22, 2025
$0.00
295,000
$0.00
295,000
HINKLE DAVID A
See Remarks
Award
Jan 22, 2025
$0.00
65,000
$0.00
65,000
Hassig Christian
Chief Scientific Officer
Award
Jan 22, 2025
$0.00
95,000
$0.00
95,000
Oien Jessica
See Remarks
Award
Jan 22, 2025
$0.00
90,000
$0.00
90,000