Boundless Bio, Inc. Common Stock (BOLD) Stock Price

BOLDStock

$2.34+65.96%52W

Market Cap$54.07M

P/E—

PEG Ratio—

Div yield—

Beta0.46

BOLD Share Price Chart

Favorite Metrics

Price vs S&P 500 (26W)40.09%

Price vs S&P 500 (4W)-15.99%

VGM Score74.76

BOLD Earnings Surprise History

Quarter	Report date	EPS estimate	EPS actual	Surprise
Q2 2026	Aug 7, 2026	-$0.58	-$1.06	-82.76%(-$0.48)
Q1 2026	May 8, 2026	-$0.56	-$0.60	-7.14%(-$0.04)
Q4 2025	Mar 9, 2026	-$0.52	-$0.58	-11.54%(-$0.06)
Q3 2025	Nov 5, 2025	-$0.58	-$0.62	-6.44%(-$0.04)
Q2 2025	Aug 5, 2025	-$0.65	-$0.70	-7.69%(-$0.05)

BOLD Analyst Recommendations

Jun 2026

Jul 2026

Aug 2026

Sep 2026

2.29

2.17

Industry Peers — Pharmaceuticals(574)

Symbol	Value Score	Growth Score	Momentum Score	P/S Ratio (TTM)	Revenue Growth TTM (YoY)	Gross Margin (TTM)	EPS Growth (5Y)	Price
BOLDBoundless Bio, Inc. Common Stock	—	—	B	—	—	—	—	$2.34
LLYEli Lilly & Co.	D	B	A	14.9x	49.6%	83.4%	27.6%	$1257.03
JNJJohnson & Johnson	D	C	B	6.2x	7.8%	67.7%	14.9%	$255.56
ABBVABBVIE INC.	D	C	A	7.8x	10.4%	72.8%	-2.9%	$285.42
MRKMerck & Co., Inc.	D	C	A	5.4x	4.6%	77.3%	21.2%	$145.95
NVSNovartis AG	C	C	B	4.9x	3.3%	75.0%	15.3%	$150.62
AZNAstraZeneca PLC	C	B	B	4.3x	8.6%	81.3%	21.9%	$165.41
ABTAbbott Laboratories	C	C	B	3.9x	8.1%	56.8%	8.2%	$104.89
NVONovo-Nordisk A/S	B	C	C	3.5x	5.6%	80.7%	20.7%	$38.83
PFEPfizer Inc.	C	D	A	2.6x	-0.2%	74.7%	-3.5%	$29.58
VRTXVertex Pharmaceuticals Inc	D	C	B	10.1x	10.2%	86.0%	8.3%	$499.74
BMYBristol-Myers Squibb Co.	B	B	B	2.5x	3.1%	71.7%	—	$59.75
GSKGSK plc American Depositary Shares (Each representing two Ordinary Shares)	C	C	B	2.3x	5.0%	73.6%	-0.5%	$49.51
SNYSanofi American Depositary Shares (Each representing one-half of one ordinary share)	B	D	B	1.8x	13.4%	72.8%	-8.2%	$40.61
REGNRegeneron Pharmaceuticals Inc	C	C	A	5.2x	9.3%	86.0%	6.3%	$790.74
TAKTakeda Pharmaceutical Company Limited American Depositary Shares (each representing 1/2 of a share of Common Stock)	C	C	A	2.1x	3.1%	65.5%	-12.6%	$19.67
TEVATeva Pharmaceutical Industries Limited	D	C	A	2.8x	4.1%	52.9%	—	$41.50
ONCBeOne Medicines Ltd. American Depositary Shares	D	B	B	6.3x	31.1%	88.5%	—	$369.06
RPRXRoyalty Pharma plc Class A Ordinary Shares	D	D	A	13.8x	10.0%	—	-12.1%	$60.96
ZTSZOETIS INC.	C	C	B	3.5x	1.4%	71.6%	12.0%	$79.38
ALNYAlnylam Pharmaceuticals, Inc.	D	A	C	6.5x	95.1%	79.7%	—	$231.83
ROIVRoivant Sciences Ltd. Common Shares	D	F	B	3215.5x	-67.6%	81.2%	—	$33.53
UTHRUnited Therapeutics Corp	C	C	B	7.2x	2.5%	86.1%	19.3%	$533.12
GMABGenmab A/S ADS	D	C	A	5.5x	22.3%	93.0%	6.8%	$37.00
VTRSViatris Inc. Common Stock	B	C	A	1.5x	4.4%	40.3%	—	$18.66
INSMInsmed, Inc.	F	A	C	18.5x	185.8%	83.5%	—	$96.27
ASNDAscendis Pharma A/S Ordinary Share	D	A	B	11.9x	113.3%	91.3%	—	$225.25
JAZZJazz Pharmaceuticals, Inc.	B	C	B	3.0x	12.6%	88.4%	-1.4%	$210.23
BBIOBridgeBio Pharma, Inc. Common Stock	F	A	B	18.2x	202.4%	94.4%	—	$66.39
CORTCorcept Therapeutics Inc.	F	C	A	14.3x	16.0%	98.3%	-0.5%	$110.16
ELANElanco Animal Health Incorporated Common Stock	D	B	B	2.3x	11.9%	55.4%	29.9%	$23.55
SMMTSummit Therapeutics Inc. Common Stock	F	—	C	12187.5x	—	—	—	$14.63
RDYDr. Reddy's Laboratories Limited American Depositary Shares	D	C	B	3.1x	-0.9%	61.4%	16.5%	$13.07
BMRNBioMarin Pharmaceuticals Inc	C	C	B	3.1x	11.2%	79.6%	-17.0%	$54.68
MDGLMadrigal Pharmaceuticals, Inc. Common Stock	D	A	C	8.1x	149.0%	91.5%	—	$449.74
CRNXCrinetics Pharmaceuticals, Inc.	F	A	A	213.8x	2928.4%	—	—	$84.95
CYTKCytokinetics Inc.	F	D	B	127.3x	-21.1%	—	—	$61.95
PTGXProtagonist Therapeutics, Inc	F	B	B	29.5x	34.8%	—	—	$128.75
TGTXTG Therapeutics, Inc.	D	B	B	10.3x	76.1%	82.4%	—	$53.97
AXSMAxsome Therapeutics, Inc	D	B	C	10.6x	56.9%	93.2%	—	$157.14
ARWRArrowhead Research Corporation	D	A	C	11.8x	16.9%	—	—	$55.90
ABVXAbivax SA American Depositary Shares	—	—	C	—	—	—	—	$88.13
SYRESpyre Therapeutics, Inc. Common Stock	—	—	B	5995.2x	—	—	—	$79.90
IONSIonis Pharmaceuticals, Inc. Common Stock	D	D	C	8.2x	-7.5%	98.2%	—	$42.94
ALKSAlkermes Inc. plc	D	C	B	4.1x	10.8%	84.6%	—	$41.22
PRAXPraxis Precision Medicines, Inc. Common Stock	F	—	B	789.2x	—	—	—	$241.76
AMRXAmneal Pharmaceuticals, Inc. Class A Common Stock	D	C	A	2.0x	9.3%	39.3%	-18.4%	$19.18
KNSAKiniksa Pharmaceuticals International, plc Class A Ordinary Shares	D	B	A	7.3x	58.9%	89.8%	—	$78.59
RYTMRhythm Pharmaceuticals, Inc. Common Stock	F	B	C	24.7x	53.5%	70.9%	—	$86.17
LGNDLigand Pharmaceuticals Inc.	D	B	B	20.3x	54.9%	95.4%	—	$295.54
BLTEBelite Bio, Inc American Depositary Shares	—	—	B	—	—	—	—	$142.78

About Boundless Bio, Inc. Common Stock

Boundless Bio is a clinical-stage oncology company developing therapeutics that target extrachromosomal DNA (ecDNA), a driver of oncogene amplification in cancer. The company's lead program, BBI-355, is an oral CHK1 inhibitor designed to disrupt ecDNA replication and transcription, addressing an unmet need in patients with oncogene-amplified tumors.

BOLD Insider Transactions

SellAug 26, 2026
TANG KEVIN C
Beneficial Owner of more than 10% of a Class of Security
Shares: 18,300Value: $54,351
BuyJul 21, 2026
TANG KEVIN C
Beneficial Owner of more than 10% of a Class of Security
Shares: 4,863Value: $11,866

Open-market buys and sells filed with the SEC over the last 90 days. Grants, gifts and option exercises are excluded.

All insider transactions for August 2026

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Same SIC sector, outside this company's own industry.

Analyst Sentiment

2.2

Sell

Consensus rating

52-Week Range

Low$0.96

High$3.16