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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, Q2 2025

Institutional positions in INSMED Inc as of Jun 30, 2025. 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
516
+78 vs. Q1 2025
Shares held
210.4M
+10.8M (+5.4%) vs. Q1 2025
Total value
$21.2B
+$5.90B (+38.7%) vs. Q1 2025
New holders
130
166 more added
Sold out
52
188 more reduced

4 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 516 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 heldQ2 2025: $21.2B
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, Q2 2025

Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q1 2025.

Institutions holding INSM in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Principal Securities, Inc.5,721$575.8K0.01%+2,582+82.3%Added
Bryce Point Capital, LLC5,793$583.0K0.49%+5,793New
Vise Technologies, Inc.5,800$583.7K0.02%+5,800New
Yorktown Management & Research Co Inc5,850$588.7K0.56%00.0%Unchanged
Caitong International Asset Management Co., Ltd5,857$589.4K0.42%+5,851+97,516.7%Added
Polymer Capital Management (HK) LTD5,892$593.0K0.09%+5,892New
HighMark Wealth Management LLC6,010$604.8K0.30%00.0%Unchanged
Aster Capital Management (DIFC) Ltd6,080$611.9K0.14%−3,191−34.4%Reduced
Pier 88 Investment Partners LLC6,480$652.1K0.12%+6,480New
ProShare Advisors LLC6,801$684.5K0.00%−38,688−85.0%Reduced
Commerce Bank6,876$692.0K0.00%+25+0.4%Added
Draper Asset Management, LLC7,156$712.0K0.47%+7,156New
Mirae Asset Global Investments Co., Ltd.7,492$754.0K0.00%+999+15.4%Added
Avantax Advisory Services, Inc.7,585$763.4K0.00%−1,912−20.1%Reduced
J. Goldman & Co LP7,658$770.7K0.02%+7,658New
Snowden Capital Advisors LLC7,723$777.2K0.02%+1,483+23.8%Added
Diametric Capital, LP7,757$780.7K0.42%+7,757New
Parnassus Investments7,930$798.1K0.00%+7,930New
JustInvest LLC8,081$813.3K0.01%−117−1.4%Reduced
S&CO Inc8,300$835.0K0.05%+8,300New
Beacon Financial Advisory LLC8,480$853.4K0.22%−215−2.5%Reduced
Advisor Group Holdings, Inc.8,751$855.4K0.00%+4,015+84.8%Added
Thrivent Financial for Lutherans8,557$861.0K0.00%+8,557New
Shell Asset Management Co8,592$865.0K0.03%−1,543−15.2%Reduced
Maryland State Retirement & Pension System8,676$873.2K0.02%+8,676New
Waldron Private Wealth LLC8,800$885.6K0.04%00.0%Unchanged
Utah Retirement Systems9,436$949.6K0.01%+9,436New
Keybank National Association9,459$952.0K0.00%+1,179+14.2%Added
Gsa Capital Partners LLP9,721$978.0K0.07%+9,721New
US Bancorp9,752$981.4K0.00%−1,571−13.9%Reduced
Lighthouse Investment Partners, LLC10,000$1.01M0.04%+10,000New
B. Metzler seel. Sohn & Co. AG10,510$1.06M0.01%00.0%Unchanged
MetLife Investment Management10,589$1.07M0.01%−89,621−89.4%Reduced
Natixis10,648$1.07M0.01%+10,648New
Lion Point Capital, LP10,650$1.07M7.28%−19,850−65.1%Reduced
Neuberger Berman Group LLC10,895$1.10M0.00%−165,738−93.8%Reduced
E Fund Management Co., Ltd.10,951$1.10M0.05%−2,692−19.7%Reduced
Park Avenue Securities LLC11,088$1.12M0.01%+52+0.5%Added
Sanctuary Advisors, LLC11,091$1.12M0.01%+7,201+185.1%Added
Amundi11,499$1.13M0.00%+11,445+21,194.4%Added
O'Shaughnessy Asset Management, LLC11,340$1.14M0.01%+1,510+15.4%Added
Two Sigma Securities, LLC11,414$1.15M0.14%+11,414New
The PNC Financial Services Group, Inc.11,576$1.17M0.00%+933+8.8%Added
HighVista Strategies LLC11,595$1.17M0.43%−9,845−45.9%Reduced
Henshaw Capital LLC11,863$1.19M0.05%−2,572−17.8%Reduced
Quantitative Investment Management, LLC12,615$1.27M0.17%+12,615New
HSBC Holdings PLC12,949$1.30M0.00%−8,474−39.6%Reduced
Amalgamated Bank12,973$1.31M0.01%+7,003+117.3%Added
Groupama Asset Managment13,175$1.31M0.02%––
Emerald Advisers, LLC13,264$1.33M0.05%−580,749−97.8%Reduced
OrbiMed Advisors LLC13,459$1.35M0.03%−15,200−53.0%Reduced
Mackenzie Financial Corp13,581$1.37M0.00%+478+3.6%Added
Laurion Capital Management LP14,347$1.44M0.17%+14,347New
Superstring Capital Management LP14,571$1.47M1.83%+14,571New
Sectoral Asset Management Inc14,880$1.50M0.99%−350−2.3%Reduced
Wolverine Trading, LLC15,088$1.50M0.04%+15,088New
CI Private Wealth, LLC15,024$1.51M0.00%+2,705+22.0%Added
Simplify Asset Management Inc.15,536$1.56M0.09%−5,094−24.7%Reduced
Aigen Investment Management, LP15,961$1.61M0.22%+15,961New
Atria Investments LLC16,810$1.69M0.02%+7,219+75.3%Added
Dana Investment Advisors, Inc.17,098$1.72M0.06%−1,348−7.3%Reduced
Bollard Group LLC17,191$1.73M0.04%+17,191New
Neo Ivy Capital Management17,256$1.74M0.55%+12,804+287.6%Added
Two Sigma Advisers, LP17,500$1.76M0.00%−139,700−88.9%Reduced
Virginia Retirement Systems Et Al18,165$1.83M0.01%+2,100+13.1%Added
New York Life Investment Management LLC18,680$1.88M0.02%−124−0.7%Reduced
Parallax Volatility Advisers, L.P.19,016$1.91M0.08%−20,897−52.4%Reduced
SummitTX Capital, L.P.19,081$1.92M0.09%+1,153+6.4%Added
Public Employees Retirement Association of Colorado19,258$1.94M0.01%−316−1.6%Reduced
Profund Advisors LLC19,558$1.97M0.07%−12,539−39.1%Reduced
Point72 (DIFC) Ltd19,580$1.97M0.16%+19,580New
Oppenheimer Asset Management Inc.21,374$2.15M0.02%+1,439+7.2%Added
Kennedy Capital Management, Inc.21,897$2.20M0.05%−12,500−36.3%Reduced
Quantbot Technologies LP22,067$2.22M0.06%+22,067New
Winton Group Ltd22,268$2.24M0.11%+22,268New
Calamos Advisors LLC22,952$2.31M0.01%−16,349−41.6%Reduced
Atomi Financial Group, Inc.23,095$2.32M0.09%−2,331−9.2%Reduced
F/M Investments LLC23,561$2.37M0.09%−2,592−9.9%Reduced
Xponance, Inc.24,841$2.50M0.02%+11,482+85.9%Added
Emerald Mutual Fund Advisers Trust25,424$2.56M0.16%−328,407−92.8%Reduced
Baird Financial Group, Inc.25,721$2.59M0.00%+25,721New
UBS Oconnor LLC26,301$2.65M0.07%+874+3.4%Added
Resolute Capital Asset Partners LLC27,301$2.75M1.44%+27,301New
CSS LLC27,375$2.76M0.17%+27,375New
Scientech Research LLC27,642$2.78M0.68%+27,642New
Skandinaviska Enskilda Banken AB (publ)27,789$2.80M0.01%00.0%Unchanged
Cerity Partners LLC28,141$2.83M0.01%−3,297−10.5%Reduced
Mariner, LLC29,375$2.96M0.00%−2,473−7.8%Reduced
Bank of Montreal29,685$2.99M0.00%−721−2.4%Reduced
ArrowMark Colorado Holdings LLC30,000$3.02M0.05%00.0%Unchanged
Cetera Investment Advisers31,462$3.17M0.01%+10,783+52.1%Added
MYDA Advisors LLC32,000$3.22M0.90%+24,000+300.0%Added
Assetmark, Inc32,125$3.23M0.01%+5,892+22.5%Added
Cinctive Capital Management LP32,874$3.31M0.18%+9,321+39.6%Added
Oak Ridge Investments LLC34,188$3.44M0.25%−7,757−18.5%Reduced
Natixis Advisors, L.P.35,459$3.57M0.01%+5,597+18.7%Added
Legato Capital Management LLC36,079$3.63M0.43%−5,778−13.8%Reduced
China Universal Asset Management Co., Ltd.36,582$3.68M0.35%+277+0.8%Added
Nebula Research & Development LLC36,661$3.69M0.31%+33,282+985.0%Added
Bamco Inc36,700$3.69M0.01%−23,300−38.8%Reduced