SI-BONE Ownership | Who Owns SI-BONE?

Overview Forecast RevenueFinancials Chart Transcripts

SI-BONE Ownership Summary

SI-BONE is owned by 13.81% institutional investors, 2.94% insiders, and 83.26% retail investors. Blackrock is the largest institutional shareholder, holding 9.31% of SIBN shares. Worldwide Healthcare Ord is the top mutual fund, with 5.33% of its assets in SI-BONE shares.

SIBN Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	SI-BONE	13.81%	2.94%	83.26%
Sector	Healthcare Stocks	42.54%	10.83%	46.63%
Industry	Medical Device Stocks	37.80%	10.13%	52.07%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	3.85M	9.31%	$49.74M
Blackrock funding, inc. /de	3.46M	8.07%	$50.86M
American century companies	2.84M	6.63%	$41.78M
Brown advisory	2.77M	6.48%	$40.82M
Orbimed advisors	2.58M	6.03%	$37.96M
Vanguard group	2.49M	5.82%	$36.65M
Champlain investment partners	2.11M	4.93%	$31.04M
First light asset management	1.92M	4.48%	$28.23M
Silvercrest asset management group	1.46M	3.41%	$21.51M
Nuveen	1.35M	3.16%	$19.91M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Kent lake capital	800.00K	4.66%	$10.34M
First light asset management	1.92M	2.66%	$28.23M
Kent lake pr	250.00K	1.86%	$3.68M
Pier capital	488.83K	1.12%	$7.20M
Orbimed advisors	2.58M	0.89%	$37.96M
Bullseye asset management	105.88K	0.82%	$1.56M
Granahan investment management	1.04M	0.63%	$15.30M
Parkman healthcare partners	378.58K	0.58%	$5.57M
Point72 (difc)	584.62K	0.56%	$8.61M
Cadian capital management, lp	595.00K	0.52%	$8.76M

Top Buyers

Holder	Shares	% Assets	Change
Cadian capital management, lp	595.00K	0.52%	595.00K
Point72 (difc)	584.62K	0.56%	581.70K
American century companies	2.84M	0.02%	521.68K
Kent lake capital	800.00K	4.66%	378.69K
Wellington management group llp	853.27K	0.00%	364.90K

Top Sellers

Holder	Shares	% Assets	Change
Holocene advisors, lp	-	-	-585.31K
Harbor capital advisors	150.02K	0.17%	-423.69K
Oberweis asset management inc/	-	-	-275.90K
Jefferies financial group	-	-	-250.05K
Marshall wace, llp	192.28K	0.00%	-243.93K

New Positions

Holder	Shares	% Assets	Change	Value
Cadian capital management, lp	595.00K	0.52%	595.00K	$8.76M
Assenagon asset management	224.00K	0.00%	224.00K	$3.30M
Acadian asset management	52.24K	0.00%	52.24K	$767.00K
Principal financial group	39.37K	0.00%	39.37K	$579.57K
Susquehanna fundamental investments	35.11K	0.01%	35.11K	$454.00K

Sold Out

Holder	Change
Twin peaks wealth advisors	-5.00
Nelson, van denburg & campbell wealth management group	-7.00
Parallel advisors	-7.00
Smartleaf asset management	-11.00
Ronald blue trust	-14.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	52	-69.05%	5,908,713	-84.91%	13	0.16%	18	-79.55%	17	-69.64%
Jun 30, 2025	175	9.38%	40,835,597	0.97%	95	1.05%	92	-3.16%	57	54.05%
Mar 31, 2025	160	8.11%	40,444,754	1.58%	95	1.05%	94	14.63%	38	-15.56%
Dec 31, 2024	147	7.30%	38,430,441	-5.61%	92	0.97%	81	10.96%	45	25.00%
Sep 30, 2024	136	-5.56%	40,714,386	-0.37%	97	1.00%	72	-11.11%	36	-7.69%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Worldwide Healthcare Ord	2.30M	5.33%	-
American Century U.S. Small Cap Growth	1.81M	4.24%	-251.61K
American Century Small Cap Growth Inv	1.81M	4.24%	-251.61K
Bellevue Healthcare Ord	1.37M	3.29%	1.37M
Champlain Small Company Fund, LLC	1.42M	3.28%	-4.30K
Vanguard Total Stock Mkt Idx Inv	1.27M	2.94%	-28.09K
Vanguard US Total Market Shares ETF	1.22M	2.87%	-
iShares Russell 2000 ETF	920.31K	2.13%	-
CREF Stock R1	842.36K	1.98%	-
CREF Stock R3	842.36K	1.95%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Dec 08, 2025	DUNN JEFFREY W	-	Sell	$23.99K
Dec 08, 2025	DUNN JEFFREY W	-	Sell	$362.61K
Nov 24, 2025	PISETSKY MICHAEL A.	SVP, Ops & Adm/Chief Legal Ofr	Sell	$8.00K
Nov 21, 2025	Maheshwari Anshul	Chief Financial Officer	Sell	$24.02K
Nov 25, 2025	Maheshwari Anshul	Chief Financial Officer	Sell	$2.00K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	25
2025 Q3	-	22
2025 Q2	-	38
2025 Q1	-	31
2024 Q4	-	18

SIBN Ownership FAQ

Who Owns SI-BONE?

SI-BONE shareholders are primarily institutional investors at 13.81%, followed by 2.94% insiders and 83.25% retail investors. The average institutional ownership in SI-BONE's industry, Medical Device Stocks, is 37.80%, which SI-BONE falls below.

Who owns the most shares of SI-BONE?

SI-BONE’s largest shareholders are Blackrock (3.85M shares, 9.31%), Blackrock funding, inc. /de (3.46M shares, 8.07%), and American century companies (2.84M shares, 6.63%). Together, they hold 24.02% of SI-BONE’s total shares outstanding.

Does Blackrock own SI-BONE?

Yes, BlackRock owns 9.31% of SI-BONE, totaling 3.85M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 49.74M$. In the last quarter, BlackRock decreased its holdings by -76.246K shares, a -1.94% change.

Who is SI-BONE’s biggest shareholder by percentage of total assets invested?

Kent lake capital is SI-BONE’s biggest shareholder by percentage of total assets invested, with 4.66% of its assets in 800K SI-BONE shares, valued at 10.34M$.

Who is the top mutual fund holder of SI-BONE shares?

Worldwide Healthcare Ord is the top mutual fund holder of SI-BONE shares, with 5.33% of its total shares outstanding invested in 2.3M SI-BONE shares.

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