BOLD
Boundless Bio, Inc.After hours2.39−0.04 −1.65%USD
NasdaqGS · as of Oct 14, 16:00 ET · 15m delay
Open
2.43
Prev close
2.43
Day range
2.392.49
52-week range
0.96103.16
Volume
129.81K0.73×
Mkt cap
55.23M
P/E ttm
—
Fwd P/E
-2.44
EPS ttm
-2.85
Div yield
0.00%
Earnings
—
From 52w high
−24.46%
BOLD shareholders
BOLD Ownership
13F / N-PORT filings via Yahoo
Institutions
67.3%
76.9% of the float
Insiders
12.5%
officers and directors
Institutional holders
44
filing positions
Top 10 institutions
58.1%
7 adding · 1 trimming
Top Institutions
| Holder | % held | Shares | Value | Change | As of |
|---|---|---|---|---|---|
| Arch Venture Management, Llc | 11.84% | 2.69M | $6.44M | +100.0% | Jun 30, 2026 |
| FMR, LLC | 11.35% | 2.58M | $6.17M | −4.2% | Jun 30, 2026 |
| Tang Capital Management, LLC | 11.25% | 2.56M | $6.12M | +100.0% | Jun 30, 2026 |
| Adar1 Capital Management, LLC | 8.65% | 1.97M | $4.70M | +100.0% | Jun 30, 2026 |
| Cormorant Asset Management, LP | 4.40% | 1.00M | $2.39M | +100.0% | Jun 30, 2026 |
| Vanguard Capital Management LLC | 2.70% | 614.92K | $1.47M | +3.0% | Jun 30, 2026 |
| Wellington Management Group, LLP | 2.45% | 556.23K | $1.33M | 0.0% | Jun 30, 2026 |
| Millennium Management Llc | 2.10% | 478.64K | $1.14M | +379.2% | Jun 30, 2026 |
| Renaissance Technologies, LLC | 2.07% | 471.57K | $1.13M | +18.2% | Jun 30, 2026 |
| Alyeska Investment Group, L.p. | 1.32% | 300.00K | $717.00K | 0.0% | Jun 30, 2026 |
Top Funds
| Holder | % held | Shares | Value | Change | As of |
|---|---|---|---|---|---|
| Fidelity Mt. Vernon Street Trust-Fidelity Growth Company Fund | 3.95% | 899.16K | $2.15M | 0.0% | Aug 31, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 1.96% | 445.18K | $1.06M | 0.0% | Jun 30, 2026 |
| Fidelity Mt. Vernon Street Trust-Fidelity Growth Company K6 Fund | 1.00% | 227.61K | $543.99K | 0.0% | Aug 31, 2026 |
| Fidelity Mt. Vernon Street Trust-Fidelity Series Growth Company Fund | 0.85% | 193.12K | $461.55K | −3.3% | Aug 31, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 0.67% | 152.01K | $363.31K | 0.0% | Jun 30, 2026 |
| Bridgeway Funds, Inc.-Ultra-Small Company Fund | 0.34% | 77.50K | $185.22K | +100.0% | Jun 30, 2026 |
| Fidelity Concord Street Trust-Fidelity Extended Market Index Fund | 0.30% | 67.64K | $161.65K | −0.5% | Aug 31, 2026 |
| iShares Trust-iShares Micro-Cap ETF | 0.26% | 58.46K | $139.73K | +0.7% | Aug 31, 2026 |
| VANGUARD VALLEY FORGE FUNDS-Vanguard Balanced Index Fund | 0.08% | 17.73K | $42.38K | +100.0% | Jun 30, 2026 |
| Fidelity Concord Street Trust-Fidelity Series Total Market Index Fund | 0.08% | 18.98K | $45.36K | 0.0% | Aug 31, 2026 |
Institutions report quarterly, up to 45 days after the quarter ends, so these positions can be months old. Change compares the share count with the holder's previous filing. Insider transactions are on the overview page (INSD).