When was Si-Bone founded?

Si-Bone was founded in 2008 and raised its 1st funding round 1 year after it was founded.

Where is Si-Bone located?

Si-Bone is headquartered in San Jose, United States. It is registered at San Jose, California.

How many employees does Si-Bone have?

As of Jun 30, 2026, the latest employee count at Si-Bone is 561.

Is Si-Bone a funded company?

Si-Bone is a funded company, having raised a total of $103M across 7 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on Mar 26, 2009.

When was the latest funding round of Si-Bone?

Si-Bone's latest funding was a $***** Series D round on Jun 17, 2016, with participation from 1 investor.

What is the annual revenue of Si-Bone?

Annual revenue of Si-Bone is between $100M and $500M as on Dec 31, 2025

Where does Si-Bone rank among its competitors?

Si-Bone ranks 1st amongst 243 active competitors, of which 58 are funded. It stands 4th in terms of total funding among its competitors. The most recent competitor to raise funding was WISE, which secured $34.8M in Jun, 2026.

Who are the top competitors of Si-Bone?

Si-Bone's top competitors include Paradigm Spine, ATEC Spine and LimiFlex. Among them, WISE secured the most recent funding round in June, 2026.

Si-Bone - 2026 Company Profile, Team, Funding, Competitors & Financials

Company Details

SI-BONE is the developer of the iFuse Implant System, a minimally invasive surgical treatment for sacroiliac (SI) joint disorders. It also provides a listing of doctors for minimally invasive sacroiliac joint fusion surgery.

Website: si-bone.com
Registered Address: San Jose, California

Key Metrics

Founded Year

2008

Location

San Jose, United States

Stage

Public

Total Funding

$103M in 7 rounds

Latest Funding Round

Series D, Jun 17, 2016, $*****

Investors

Arboretum Ventures & 11 more

Ranked

1^st among 243 active competitors

Annual Revenue

$100M - $500M as on Dec 31, 2025

Employee Count

561 as on Jun 30, 2026

Similar Companies

Paradigm Spine & 337 more

Exit Details

Public

View Si-Bone's full profile

Si-Bone is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
SI-BONE, INC. CIN: 262216351 , United States, Active	Dec 26, 999	$100M - $500M (As on Dec 31, 2025)	329 (As on Dec 31, 2024)	-

Si-Bone got listed on Oct 17, 2018.

Click here to take a look at Si-Bone's IPO in detail

Si-Bone has raised a total funding of $103M over 7 rounds. Its first funding round was on Mar 26, 2009. Its latest funding round was a Series D round on Jun 17, 2016 for $*****. 1 investor participated in its latest round. Si-Bone has 12 institutional investors.

Here is the list of recent funding rounds of Si-Bone:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jun 17, 2016	5068654	Series D	5689207	2859485	5757997	4391547
Nov 17, 2015	5165469	Conventional Debt	6173893	9388256	6371876	SVB & 1 more
May 26, 2015	6169712	Series D	8467551	6182952	4569565	Redline Capital Management

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View details of Si-Bone's funding rounds and investors

The founders of Si-Bone is Mark A. Reiley.

Here are the details of Si-Bone's key team members:

Mark A. Reiley: Former Founder of Si-Bone.

View details of Si-Bone's Founder profiles and Board Members

Si-Bone's employee count trend

Si-Bone has 561 employees as of Jun 26. Here is Si-Bone's employee count trend over the years:

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Top competitors of Si-Bone include Paradigm Spine, ATEC Spine and LimiFlex. Here is the list of Top 10 competitors of Si-Bone, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Si-Bone 2008, San Jose (United States), Public	Titanium implant fixation system	$103M	Foresite Capital, Novo Holdings & 10 others	64/100
2nd	Paradigm Spine 2005, New York City (United States), Acquired	Manufacturer of stabilization devices for the healthcare industry	$142M	Athyrium Capital Management, HealthCor Partners ... & 6 others	63/100
3rd	ATEC Spine 1990, San Diego (United States), Public	Developer of treatment solutions for spine disorders	-	Deerfield, Armistice Capital & 12 others	62/100
4th	LimiFlex 2008, San Carlos (United States), Series C	Developer of spinal implants for treating spinal stenosis	$25.3M	Scientific Health Development, Doorga & 2 others	61/100
5th	Accelus 2016, Palm Beach Gardens (United States), Series D	Provider of spine surgery robot systems for healthcare industries	$20.8M	Concord Health Partners, Symbiotic Capital ... & 4 others	60/100
6th	MiRus 2015, Marietta (United States), Series D	Developer of rhenium-based implants for spine surgeries	$1.56B	Mammoth, Boston Scientific	60/100
7th	Spineart 2005, Plan les Ouates (Switzerland), Series B	Developer of orthopedic implants and minimally invasive instruments	$139M	Ernst Göhner, Gimv & 2 others	59/100
8th	WISE 2011, Milan (Italy), Series D	Provider of solutions for neuromodulation and neuromonitoring	$91.4M	Principia SGR, CDP Venture Capital & 12 others	59/100
9th	Spineology 1997, St. Paul (Canada), Late Stage	Developer of minimally invasive spinal surgery devices	$79.6M	SV Health Investors, Horizon & 6 others	58/100
10th	Companion Spine 2020, New York City (United States), Series A	Developer of medical devices for spine treatment and therapies	$68.6M	Viscogliosi Brothers, IRDI Capital Investissement ... & 2 others	55/100