Inspire Medical Systems Ownership | Who Owns Inspire Medical Systems?

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Inspire Medical Systems Ownership Summary

Inspire Medical Systems is owned by 114.11% institutional investors, 1.11% insiders. Blackrock funding, inc. /de is the largest institutional shareholder, holding 13.13% of INSP shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.93% of its assets in Inspire Medical Systems shares.

INSP Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Inspire Medical Systems	114.11%	1.11%	-15.22%
Sector	Healthcare Stocks	488.30%	11.08%	-399.38%
Industry	Medical Device Stocks	52.08%	10.61%	37.30%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	3.87M	13.13%	$502.70M
Vanguard group	3.27M	10.95%	$606.26M
Fmr	2.52M	8.43%	$467.07M
Dragoneer investment group	2.35M	7.98%	$305.53M
Blackrock	1.86M	6.25%	$248.64M
Wasatch advisors lp	1.63M	5.54%	$212.10M
Baillie gifford	1.26M	4.20%	$232.84M
Invesco	793.08K	2.65%	$147.02M
William blair investment management	769.17K	2.61%	$99.82M
Frontier capital management	693.20K	2.35%	$89.96M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Dragoneer investment group	2.35M	6.24%	$305.53M
Tri locum partners lp	150.79K	5.79%	$27.95M
Bullseye asset management	36.13K	3.15%	$6.70M
Braidwell lp	522.41K	2.32%	$67.79M
Atika capital management	161.90K	2.10%	$21.01M
Eversept partners, lp	164.47K	1.96%	$21.34M
Kopp family office	40.61K	1.96%	$3.01M
Brown capital management	367.44K	1.39%	$47.68M
Wasatch advisors lp	1.63M	1.11%	$212.10M
Soleus capital management	109.00K	0.94%	$14.14M

Top Buyers

Holder	Shares	% Assets	Change
Dragoneer investment group	2.35M	6.24%	1.06M
Ubs group	363.56K	0.01%	308.41K
Frontier capital management	693.20K	0.83%	259.72K
Braidwell lp	522.41K	2.32%	220.00K
Deerfield management company, l.p. (series c)	140.00K	0.33%	140.00K

Top Sellers

Holder	Shares	% Assets	Change
Farallon capital management	-	-	-626.85K
Westfield capital management co lp	-	-	-538.29K
Fmr	2.52M	0.03%	-428.28K
Congress asset management co /ma	13.50K	0.01%	-359.85K
Iron triangle partners lp	-	-	-281.99K

New Positions

Holder	Shares	% Assets	Change	Value
Deerfield management company, l.p. (series c)	140.00K	0.33%	140.00K	$18.17M
Point72 asset management	75.41K	0.02%	75.41K	$9.79M
Magnetar financial	67.38K	0.04%	67.38K	$8.74M
Norges bank	57.62K	0.00%	57.62K	$10.68M
Neo ivy capital management	21.30K	0.56%	21.30K	$2.85M

Sold Out

Holder	Change
Assetmark	-1.00
Activest wealth management	-1.00
Mendota financial group	-1.00
True wealth design	-2.00
Td capital management	-2.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	360	-5.01%	33,671,190	-0.52%	114	0.88%	177	-7.33%	140	17.65%
Mar 31, 2025	380	-0.52%	34,018,174	1.77%	114	0.91%	190	3.26%	121	-4.72%
Dec 31, 2024	359	-4.77%	31,850,341	-3.62%	106	0.87%	169	-11.98%	121	7.08%
Sep 30, 2024	374	5.65%	32,999,689	4.39%	110	0.98%	192	-1.54%	112	13.13%
Jun 30, 2024	354	-0.28%	31,613,211	0.33%	106	0.94%	195	18.18%	99	-10.81%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	1.75M	5.93%	-
Vanguard US Total Market Shares ETF	939.66K	3.17%	747.00
Vanguard Total Stock Mkt Idx Inv	930.81K	3.15%	-25.46K
Vanguard Small Cap Index	716.66K	2.42%	-4.13K
Baillie Gifford US Equity Growth	640.69K	2.14%	-20.57K
Vanguard US Growth Investor	577.84K	1.96%	-26.67K
Hartford MidCap Y	470.89K	1.58%	-9.58K
Wasatch Core Growth	442.54K	1.50%	9.04K
Vanguard Small Cap Growth Index Inv	404.21K	1.37%	-134.00
Delaware Ivy Mid Cap Growth A	382.67K	1.28%	-9.51K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 29, 2025	Buchholz Richard	Chief Financial Officer	Sell	$1.03M
May 19, 2025	Rondoni John	See Remarks	Sell	$259.02K
May 02, 2025	mcCormick Shawn	-	Sell	$57.60K
Mar 03, 2025	Ban Randy	See Remarks	Sell	$414.48K
Mar 03, 2025	Ban Randy	See Remarks	Sell	$229.59K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	-
2025 Q3	-	1
2025 Q2	-	2
2025 Q1	-	16
2024 Q4	-	4

INSP Ownership FAQ

Who Owns Inspire Medical Systems?

Inspire Medical Systems shareholders are primarily institutional investors at 114.11%, followed by 1.11% insiders and -15.22% retail investors. The average institutional ownership in Inspire Medical Systems's industry, Medical Device Stocks, is 52.08%, which Inspire Medical Systems exceeds.

Who owns the most shares of Inspire Medical Systems?

Inspire Medical Systems’s largest shareholders are Blackrock funding, inc. /de (3.87M shares, 13.13%), Vanguard group (3.27M shares, 10.95%), and Fmr (2.52M shares, 8.43%). Together, they hold 32.51% of Inspire Medical Systems’s total shares outstanding.

Does Blackrock own Inspire Medical Systems?

Yes, BlackRock owns 6.25% of Inspire Medical Systems, totaling 1.86M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 248.64M$. In the last quarter, BlackRock decreased its holdings by -33.103K shares, a -1.75% change.

Who is Inspire Medical Systems’s biggest shareholder by percentage of total assets invested?

Dragoneer investment group is Inspire Medical Systems’s biggest shareholder by percentage of total assets invested, with 6.24% of its assets in 2.35M Inspire Medical Systems shares, valued at 305.53M$.

Who is the top mutual fund holder of Inspire Medical Systems shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of Inspire Medical Systems shares, with 5.93% of its total shares outstanding invested in 1.75M Inspire Medical Systems shares.

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