Insmed Ownership | Who Owns Insmed?

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Insmed Ownership Summary

Insmed is owned by 107.51% institutional investors, 0.91% insiders. Vanguard group is the largest institutional shareholder, holding 10.79% of INSM shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.04% of its assets in Insmed shares.

INSM Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Insmed	107.51%	0.91%	-8.42%
Sector	Healthcare Stocks	49.83%	8.81%	41.35%
Industry	Biotech Stocks	47.19%	8.79%	44.01%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	16.01M	10.79%	$1.07B
Blackrock	14.26M	9.61%	$955.72M
Price t rowe associates inc /md/	12.16M	8.19%	$814.95M
Fmr	7.31M	4.92%	$489.44M
Capital investors	5.87M	3.95%	$393.28M
State street	4.66M	3.14%	$312.38M
Geode capital management	3.64M	2.45%	$243.98M
Rtw investments, lp	3.64M	2.45%	$243.89M
Baker bros. advisors lp	3.58M	2.41%	$239.59M
Darwin global management	3.54M	2.39%	$237.08M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Darwin global management	3.54M	27.58%	$237.08M
Sio capital management	1.36M	24.71%	$91.30M
Palo alto investors lp	2.14M	16.61%	$143.31M
Lion point capital, lp	70.33K	8.59%	$4.71M
Bioimpact capital	615.39K	6.41%	$41.23M
Suvretta capital management	2.52M	6.21%	$168.96M
Eagle health investments lp	513.70K	6.04%	$34.42M
Tri locum partners lp	316.50K	5.36%	$21.21M
Eversept partners, lp	1.16M	5.30%	$77.42M
Altium capital management lp	190.00K	5.19%	$12.73M

Top Buyers

Holder	Shares	% Assets	Change
Capital investors	5.87M	0.08%	4.25M
Darwin global management	3.54M	27.58%	3.54M
Baker bros. advisors lp	3.58M	3.06%	3.23M
Jpmorgan chase	2.93M	0.02%	2.64M
Artisan partners limited partnership	2.49M	0.25%	2.49M

Top Sellers

Holder	Shares	% Assets	Change
Palo alto investors lp	2.14M	16.61%	-2.28M
Fmr	7.31M	0.03%	-2.01M
Deep track capital, lp	-	-	-2.00M
First trust advisors lp	55.45K	0.00%	-1.38M
State street	4.66M	0.01%	-1.24M

New Positions

Holder	Shares	% Assets	Change	Value
Darwin global management	3.54M	27.58%	3.54M	$237.08M
Artisan partners limited partnership	2.49M	0.25%	2.49M	$166.79M
Norges bank	1.76M	0.02%	1.76M	$117.75M
Eversept partners, lp	1.16M	5.30%	1.16M	$77.42M
Kynam capital management, lp	1.00M	5.17%	1.00M	$67.00M

Sold Out

Holder	Change
Cibc private wealth group	-15.00
International assets investment management	-52.00
Stephens consulting	-70.00
Truvestments capital	-84.00
Mather group, llc.	-100.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2024	451	3.68%	186,766,280	6.62%	107	0.77%	258	-4.80%	115	18.56%
Jun 30, 2024	435	32.62%	175,177,026	18.19%	117	1.18%	271	83.11%	97	-
Mar 31, 2024	328	12.71%	148,210,705	-0.87%	99	0.88%	148	4.96%	97	4.30%
Dec 31, 2023	291	10.23%	149,510,430	2.42%	106	1.02%	141	2.17%	93	24.00%
Sep 30, 2023	264	14.29%	145,980,781	-0.25%	102	0.90%	138	27.78%	75	2.74%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	5.44M	3.04%	-22.17K
US Small-Cap Growth II Equity Comp	4.77M	2.78%	-16.96K
T. Rowe Price New Horizons	4.77M	2.78%	-15.03K
iShares Russell 2000 ETF	4.37M	2.44%	-9.14K
Vanguard Small Cap Index	4.31M	2.41%	8.45K
Capital Group Growth Fnd of Amer Comp	3.92M	2.28%	547.24K
American Funds Growth Fund of Amer A	3.92M	2.28%	547.24K
T. Rowe Price Health Sciences	2.54M	1.48%	-24.69K
Vanguard Institutional Extnd Mkt Idx Tr	2.56M	1.43%	-12.08K
SPDR® S&P Biotech ETF	2.49M	1.39%	-75.51K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Dec 19, 2024	Lewis William	Chair and CEO	Sell	$365.28K
Dec 19, 2024	Lewis William	Chair and CEO	Sell	$112.27K
Dec 19, 2024	Lewis William	Chair and CEO	Sell	$916.73K
Dec 19, 2024	Lewis William	Chair and CEO	Sell	$394.07K
Dec 12, 2024	Lewis William	Chair and CEO	Sell	$296.59K

Insider Transactions Trends

Date	Buy	Sell
2024 Q4	-	10
2024 Q3	-	12
2024 Q2	-	19
2024 Q1	-	21
2023 Q4	-	9

INSM Ownership FAQ

Who Owns Insmed?

Insmed shareholders are primarily institutional investors at 107.51%, followed by 0.91% insiders and -8.42% retail investors. The average institutional ownership in Insmed's industry, Biotech Stocks , is 47.19%, which Insmed exceeds.

Who owns the most shares of Insmed?

Insmed’s largest shareholders are Vanguard group (16.01M shares, 10.79%), Blackrock (14.26M shares, 9.61%), and Price t rowe associates inc /md/ (12.16M shares, 8.19%). Together, they hold 28.59% of Insmed’s total shares outstanding.

Does Blackrock own Insmed?

Yes, BlackRock owns 9.61% of Insmed, totaling 14.26M shares as of Jun 2024. This represents 0.02% of BlackRock's total assets, with a market value of 955.72M$. In the last quarter, BlackRock increased its holdings by 2.46M shares, a 20.89% change.

Who is Insmed’s biggest shareholder by percentage of total assets invested?

Darwin global management is Insmed’s biggest shareholder by percentage of total assets invested, with 27.58% of its assets in 3.54M Insmed shares, valued at 237.08M$.

Who is the top mutual fund holder of Insmed shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Insmed shares, with 3.04% of its total shares outstanding invested in 5.44M Insmed shares.

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