SI-BONE Ownership | Who Owns SI-BONE?

Overview Forecast RevenueFinancials Chart Transcripts

SI-BONE Ownership Summary

SI-BONE is owned by 108.55% institutional investors, 3.40% insiders. First light asset management is the largest institutional shareholder, holding 18.49% of SIBN shares. American Century U.S. Small Cap Growth is the top mutual fund, with 4.28% of its assets in SI-BONE shares.

SIBN Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	SI-BONE	108.55%	3.40%	-11.94%
Sector	Healthcare Stocks	244.59%	12.11%	-156.70%
Industry	Medical Device Stocks	52.73%	12.62%	34.65%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
First light asset management	8.13M	18.49%	$132.65M
Blackrock	3.85M	9.31%	$49.74M
Blackrock funding, inc. /de	3.68M	8.36%	$60.00M
Cadian capital management, lp	3.35M	7.62%	$54.63M
Orbimed advisors	2.58M	6.03%	$37.96M
Vanguard group	2.50M	5.79%	$49.33M
American century companies	2.51M	5.71%	$40.98M
Brown advisory	2.08M	4.73%	$33.90M
Granahan investment management	1.93M	4.39%	$31.52M
Vanguard capital management	1.84M	4.18%	$30.00M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
First light asset management	8.13M	8.06%	$132.65M
Kent lake capital	800.00K	4.66%	$10.34M
Cadian capital management, lp	3.35M	4.13%	$54.63M
Highmark wealth management	425.05K	2.32%	$6.94M
Kent lake pr	250.00K	1.86%	$3.68M
Nano cap new millennium growth fund l p	100.00K	1.25%	$1.63M
Bullseye asset management	144.51K	1.20%	$2.36M
Granahan investment management	1.93M	1.12%	$31.52M
Orbimed advisors	2.58M	0.89%	$37.96M
Vela investment management	201.09K	0.70%	$3.28M

Top Buyers

Holder	Shares	% Assets	Change
First light asset management	8.13M	8.06%	2.77M
Cadian capital management, lp	3.35M	4.13%	1.46M
Point72 (difc)	584.62K	0.56%	581.70K
Marshall wace, llp	690.29K	0.01%	522.16K
Kent lake capital	800.00K	4.66%	378.69K

Top Sellers

Holder	Shares	% Assets	Change
Holocene advisors, lp	-	-	-585.31K
Morgan stanley	130.91K	0.00%	-581.60K
Renaissance	44.10K	0.00%	-428.52K
Qube research	-	-	-371.53K
Oberweis asset management inc/	-	-	-275.90K

New Positions

Holder	Shares	% Assets	Change	Value
Sixth street partners management company	342.78K	0.00%	342.78K	$5.59M
Balyasny asset management	100.36K	0.00%	100.36K	$1.64M
Susquehanna fundamental investments	35.11K	0.01%	35.11K	$454.00K
Arrowstreet capital, limited partnership	31.52K	0.00%	31.52K	$514.33K
Magnetar financial	27.74K	0.00%	27.74K	$452.72K

Sold Out

Holder	Change
Freestone grove partners lp	-3.00
Twin peaks wealth advisors	-5.00
Nelson, van denburg & campbell wealth management group	-7.00
Ronald blue trust	-14.00
Principal securities	-14.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	172	-6.01%	47,716,611	9.98%	108	1.11%	105	10.53%	47	-30.88%
Mar 31, 2026	157	-16.04%	31,469,879	-24.14%	72	0.78%	79	-25.47%	59	1.72%
Dec 31, 2025	50	-71.43%	6,770,489	-83.82%	15	0.16%	31	-63.95%	12	-80.33%
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%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
American Century U.S. Small Cap Growth	1.90M	4.28%	-
American Century Small Cap Growth Inv	1.90M	4.28%	-
Bellevue Healthcare Ord	1.37M	3.29%	1.37M
Impax US Small Cap Strategy Composite	1.43M	3.18%	-
Impax Small Cap Institutional	1.43M	3.18%	-
Vanguard Morn Total Stk Mkt Idx Investor	1.34M	3.01%	-
Vanguard Total Stock Mkt Idx Inv	1.34M	3.01%	-
Vanguard MStar Total Stk Mkt Idx Invest	1.34M	2.98%	-
Vanguard US Total Market Shares ETF	1.22M	2.87%	-
iShares Russell 2000 ETF	1.12M	2.49%	-19.78K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Sep 01, 2026	DUNN JEFFREY W	-	Sell	$25.85K
Sep 01, 2026	DUNN JEFFREY W	-	Sell	$352.31K
Aug 24, 2026	FRANCIS LAURA	Chief Executive Officer	Sell	$522.60K
Aug 24, 2026	Maheshwari Anshul	Chief Op & Financial Officer	Sell	$233.97K
Aug 21, 2026	FRANCIS LAURA	Chief Executive Officer	Sell	$78.54K

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	23
2026 Q2	-	18
2026 Q1	-	34
2025 Q4	-	29
2025 Q3	-	22

SIBN Ownership FAQ

Who Owns SI-BONE?

SI-BONE shareholders are primarily institutional investors at 108.55%, followed by 3.40% insiders and -11.95% retail investors. The average institutional ownership in SI-BONE's industry, Medical Device Stocks, is 52.73%, which SI-BONE exceeds.

Who owns the most shares of SI-BONE?

SI-BONE’s largest shareholders are First light asset management (8.13M shares, 18.49%), Blackrock (3.85M shares, 9.31%), and Blackrock funding, inc. /de (3.68M shares, 8.36%). Together, they hold 36.16% 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?

First light asset management is SI-BONE’s biggest shareholder by percentage of total assets invested, with 8.06% of its assets in 8.13M SI-BONE shares, valued at 132.65M$.

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

American Century U.S. Small Cap Growth is the top mutual fund holder of SI-BONE shares, with 4.28% of its total shares outstanding invested in 1.9M SI-BONE shares.

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