Security key
10170A100
Boundless Bio, Inc. - Common Stock, par value $0.0001 per share (BOLD)
CUSIP: 10170A100
Q3 2024 13F Holders as of 30 Sep 2024
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 13,275,578
- Total 13F value
- $46,065,519
- Share change
- -477,232
- SEC-reported price per share
- $3.47
- Number of holders
- 54
- Value change
- -$1,783,862
- Number of buys
- 20
- Number of sells
- 20
- Shares outstanding
- 24,763,847
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2024
Institutions
54
Top holders
10
BOLD full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
Boundless Bio, Inc. SEC filings
Boundless Bio, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 10170A100
Recent filing periods:
Ownership snapshot
Top reported holders of BOLD - Boundless Bio, Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
15/15
Latest evidence
30 Jun 2024
13F
3/4/5
Lead comparable stake: 13%
Showing 1-6 of 15 holder rows.
Quick read
FMR LLC leads the comparable SEC ownership view at 13%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens FMR LLC's linked filing trail.
Comparable ownership
Top 5
FMR LLC
13%
RA CAPITAL MANAGEMENT, L.P.
8.8%
Nextech Invest Ltd.
5%
Redmile Group, LLC
4.2%
WELLINGTON MANAGEMENT GROUP LLP
3.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| FMR LLC |
13F
Company
|
13%
|
$12,918,757
3,338,180 shares
|
— | 30 Jun 2024 |
| RA CAPITAL MANAGEMENT, L.P. |
13F
3/4/5
Company · 10%+ Owner
|
8.8%
|
$8,439,042
2,180,631 shares
|
— | 30 Jun 2024 |
| Nextech Invest Ltd. |
13F
Company
|
5%
|
$4,752,627
1,228,069 shares
|
— | 30 Jun 2024 |
| Redmile Group, LLC |
13F
Company
|
4.2%
|
$4,003,836
1,034,583 shares
|
— | 30 Jun 2024 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
3.8%
|
$3,619,007
948,402 shares
|
— | 30 Jun 2024 |
| CITADEL ADVISORS LLC |
13F
Company
|
2.9%
|
$2,726,321
718,527 shares
|
— | 30 Jun 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
54
Shares
13,275,578
Rows available
54
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2024 vs Q1 2026 Across Filers
Q1 2026 holders
36
Q3 2024 holders
54
Holder diff
18
| Investor | Q1 2026 Shares | Q3 2024 Shares | Share Diff | Share Chg % | Q1 2026 value | Q3 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend