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INSMED Inc

INSM
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001104506

In the last 90 days, INSMED Inc insiders filed 0 open-market purchases and 7 sales; 667 institutions reported holding it in 13F filings for Q2 2026, worth $23.8B in total; superinvestors Maverick Capital and Duquesne Family Office hold it.

13F holders, Q3 2023

Institutional positions in INSMED Inc as of Sep 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
252
+31 vs. Q2 2023
Shares held
147.4M
+4.67M (+3.3%) vs. Q2 2023
Total value
$3.72B
+$712.0M (+23.7%) vs. Q2 2023
New holders
50
85 more added
Sold out
19
76 more reduced

2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting INSM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2023: 252 institutions
Q1 2021: 199 institutionsQ2 2021: 203 institutionsQ3 2021: 193 institutionsQ4 2021: 214 institutionsQ1 2022: 224 institutionsQ2 2022: 214 institutionsQ3 2022: 238 institutionsQ4 2022: 225 institutionsQ1 2023: 230 institutionsQ2 2023: 223 institutionsQ3 2023: 252 institutionsQ4 2023: 271 institutionsQ1 2024: 288 institutionsQ2 2024: 378 institutionsQ3 2024: 414 institutionsQ4 2024: 439 institutionsQ1 2025: 442 institutionsQ2 2025: 516 institutionsQ3 2025: 566 institutionsQ4 2025: 678 institutionsQ1 2026: 675 institutionsQ2 2026: 667 institutions
Value heldQ3 2023: $3.72B
Q1 2021: $3.63BQ2 2021: $3.46BQ3 2021: $3.40BQ4 2021: $3.36BQ1 2022: $2.97BQ2 2022: $2.55BQ3 2022: $2.74BQ4 2022: $2.87BQ1 2023: $2.48BQ2 2023: $3.09BQ3 2023: $3.72BQ4 2023: $4.64BQ1 2024: $4.07BQ2 2024: $11.7BQ3 2024: $13.7BQ4 2024: $13.3BQ1 2025: $15.3BQ2 2025: $21.2BQ3 2025: $30.3BQ4 2025: $37.8BQ1 2026: $35.7BQ2 2026: $23.8B
Institutions holding INSM and their total value by quarter
QuarterHoldersValue
Q2 2026667$23.8B
Q1 2026675$35.7B
Q4 2025678$37.8B
Q3 2025566$30.3B
Q2 2025516$21.2B
Q1 2025442$15.3B
Q4 2024439$13.3B
Q3 2024414$13.7B
Q2 2024378$11.7B
Q1 2024288$4.07B
Q4 2023271$4.64B
Q3 2023252$3.72B
Q2 2023223$3.09B
Q1 2023230$2.48B
Q4 2022225$2.87B
Q3 2022238$2.74B
Q2 2022214$2.55B
Q1 2022224$2.97B
Q4 2021214$3.36B
Q3 2021193$3.40B
Q2 2021203$3.46B
Q1 2021199$3.63B

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q2 2023.

Institutions holding INSM in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
State Board of Administration of Florida Retirement System37,622$950.0K0.00%+200+0.5%Added
Weiss Multi-Strategy Advisers LLC38,230$965.0K0.02%−28,673−42.9%Reduced
Gsa Capital Partners LLP38,387$969.0K0.08%+38,387New
Engineers Gate Manager LP38,502$972.2K0.04%+38,502New
Teacher Retirement System of Texas38,761$979.0K0.01%+1,751+4.7%Added
Great West Life Assurance Co38,840$980.0K0.00%+9,690+33.2%Added
Arizona State Retirement System38,846$980.9K0.01%+526+1.4%Added
International Biotechnology Trust PLC40,100$1.01M0.34%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.41,337$1.04M0.00%+41,337New
Graham Capital Management, L.P.43,605$1.10M0.03%+33,969+352.5%Added
Raymond James & Associates44,214$1.12M0.00%+12,573+39.7%Added
Captrust Financial Advisors44,326$1.12M0.00%+4,532+11.4%Added
HN Saltoro Capital, LP46,550$1.18M3.03%+46,550New
Profund Advisors LLC47,687$1.20M0.07%−20,828−30.4%Reduced
Erste Asset Management GmbH47,600$1.23M0.02%00.0%Unchanged
Moore Capital Management, LP50,000$1.26M0.03%+50,000New
Legato Capital Management LLC50,258$1.27M0.18%−1,311−2.5%Reduced
DekaBank Deutsche Girozentrale50,000$1.28M0.00%00.0%Unchanged
Guggenheim Capital LLC51,918$1.31M0.01%−8,661−14.3%Reduced
Seven Eight Capital, LP52,051$1.31M0.15%+52,051New
New York State Common Retirement Fund52,290$1.32M0.00%+1,342+2.6%Added
EFG Asset Management (North America) Corp.52,693$1.33M0.32%−5,031−8.7%Reduced
UBS Oconnor LLC59,292$1.50M0.03%−53,000−47.2%Reduced
Envestnet Asset Management Inc59,982$1.51M0.00%+13,389+28.7%Added
EAM Investors, LLC64,558$1.63M0.31%+64,558New
Ensign Peak Advisors, Inc65,670$1.66M0.00%00.0%Unchanged
American International Group, Inc.65,789$1.66M0.01%+2,340+3.7%Added
Susquehanna Fundamental Investments, LLC66,573$1.68M0.11%00.0%Unchanged
Royal Bank of Canada68,823$1.74M0.00%+19,111+38.4%Added
MetLife Investment Management68,918$1.74M0.01%00.0%Unchanged
Lion Point Capital, LP70,335$1.78M1.63%+20,000+39.7%Added
Mirae Asset Global Investments Co., Ltd.70,521$1.78M0.00%−3,604−4.9%Reduced
Walleye Capital LLC72,070$1.82M0.03%+72,070New
Dimensional Fund Advisors LP72,119$1.82M0.00%+1,057+1.5%Added
Dark Forest Capital Management LP73,129$1.85M0.15%+8,776+13.6%Added
Swedbank AB74,557$1.88M0.00%−18,000−19.4%Reduced
SEI Investments Co74,747$1.89M0.00%+41,148+122.5%Added
Endurant Capital Management LP79,471$2.01M1.80%00.0%Unchanged
AlphaCentric Advisors LLC80,000$2.02M1.15%−15,000−15.8%Reduced
HighVista Strategies LLC80,000$2.02M0.93%+80,000New
Balyasny Asset Management LLC81,376$2.05M0.01%−912,682−91.8%Reduced
Squarepoint Ops LLC82,247$2.08M0.01%+82,247New
First Trust Advisors LP82,991$2.10M0.00%+82,991New
Polar Asset Management Partners Inc.90,300$2.28M0.05%+90,300New
Oak Ridge Investments LLC95,523$2.41M0.31%+20,230+26.9%Added
Mutual of America Capital Management LLC96,324$2.43M0.03%−5,735−5.6%Reduced
Invesco Ltd.101,888$2.57M0.00%−292−0.3%Reduced
Jump Financial, LLC105,949$2.68M0.10%+43,234+68.9%Added
Alps Advisors Inc106,160$2.68M0.02%+5,875+5.9%Added
Voloridge Investment Management, LLC106,165$2.68M0.01%+90,121+561.7%Added
Neuberger Berman Group LLC109,504$2.76M0.00%−146,706−57.3%Reduced
State of New Jersey Common Pension Fund D113,152$2.86M0.01%−12,745−10.1%Reduced
Wells Fargo & Company113,596$2.87M0.00%−30,116−21.0%Reduced
Knights of Columbus Asset Advisors LLC113,796$2.87M0.26%+2,360+2.1%Added
State of Wisconsin Investment Board114,564$2.89M0.01%−4,093−3.4%Reduced
UBS Group AG122,200$3.09M0.00%−46,643−27.6%Reduced
BNP Paribas Arbitrage, SA123,155$3.11M0.01%+27,020+28.1%Added
Parkman Healthcare Partners LLC125,000$3.16M0.58%+125,000New
Legal & General Group Plc134,654$3.40M0.00%+1,082+0.8%Added
Credit Suisse AG134,699$3.40M0.00%−15,871−10.5%Reduced
Citigroup Inc139,659$3.53M0.01%−7,401−5.0%Reduced
Essex Investment Management Co LLC148,419$3.75M0.61%+39,237+35.9%Added
California State Teachers Retirement System149,734$3.78M0.01%−14,165−8.6%Reduced
Silverarc Capital Management, LLC150,387$3.80M1.41%+5,923+4.1%Added
Ikarian Capital, LLC154,900$3.91M1.45%−330,100−68.1%Reduced
Deutsche Bank AG165,965$4.19M0.00%+8,387+5.3%Added
Tang Capital Management LLC166,203$4.20M0.59%00.0%Unchanged
Hennion & Walsh Asset Management, Inc.171,006$4.32M0.28%+14,379+9.2%Added
Barclays PLC171,801$4.34M0.00%−40,115−18.9%Reduced
California Public Employees Retirement System192,977$4.87M0.00%+1,723+0.9%Added
D. E. Shaw & Co., Inc.196,727$4.97M0.01%+97,823+98.9%Added
Rhumbline Advisers197,643$4.99M0.01%+4,081+2.1%Added
Schonfeld Strategic Advisors LLC203,400$5.14M0.05%+203,400New
Manufacturers Life Insurance Company, The209,104$5.28M0.00%+10,548+5.3%Added
Soleus Capital Management, L.P.218,000$5.50M0.55%+218,000New
Rice Hall James & Associates, LLC224,465$5.67M0.36%−4,827−2.1%Reduced
Granahan Investment Management Inc235,980$5.96M0.21%−44,697−15.9%Reduced
Susquehanna International Group, LLP253,842$6.41M0.01%−2,463−1.0%Reduced
Assenagon Asset Management S.A.262,136$6.62M0.02%−1,519,918−85.3%Reduced
Cubist Systematic Strategies, LLC269,846$6.81M0.08%+260,177+2,690.8%Added
Rafferty Asset Management, LLC273,524$6.91M0.04%−97,602−26.3%Reduced
WCM Investment Management, LLC289,736$7.32M0.02%+5,115+1.8%Added
Trexquant Investment LP294,993$7.45M0.19%+265,457+898.8%Added
Scout Investments, Inc.297,797$7.56M0.17%−8,650−2.8%Reduced
Swiss National Bank299,900$7.57M0.01%+2,900+1.0%Added
Bleichroeder LP325,000$8.21M2.02%00.0%Unchanged
Candriam Luxembourg S.C.A.325,200$8.21M0.07%−482,000−59.7%Reduced
Peregrine Capital Management LLC340,125$8.59M0.26%−21,396−5.9%Reduced
Baker Bros. Advisors LP343,000$8.66M0.05%00.0%Unchanged
C WorldWide Group Holding A/S343,110$8.66M0.12%00.0%Unchanged
Sectoral Asset Management Inc347,392$8.77M1.71%−170,449−32.9%Reduced
Nuveen Asset Management, LLC348,766$8.81M0.00%−7,076−2.0%Reduced
AXA S.A.360,561$9.10M0.03%−489,553−57.6%Reduced
UBS Asset Management Americas Inc363,630$9.18M0.00%+10,872+3.1%Added
Long Focus Capital Management, LLC371,649$9.38M1.35%00.0%Unchanged
Great Point Partners LLC394,872$9.97M1.88%+394,872New
JPMorgan Chase & Co407,965$10.3M0.00%+46,907+13.0%Added
Panagora Asset Management Inc432,579$10.9M0.07%−26,824−5.8%Reduced
Connor, Clark & Lunn Investment Management Ltd.446,104$11.3M0.06%−39,355−8.1%Reduced
Voya Investment Management LLC496,893$12.5M0.01%−24,098−4.6%Reduced