Skip to main content

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, Q4 2021

Institutional positions in INSMED Inc as of Dec 31, 2021. 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
214
+23 vs. Q3 2021
Shares held
123.3M
−44.0K (0.0%) vs. Q3 2021
Total value
$3.36B
−$37.9M (−1.1%) vs. Q3 2021
New holders
37
74 more added
Sold out
14
70 more reduced

2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 holdersQ4 2021: 214 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 heldQ4 2021: $3.36B
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, Q4 2021

Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q3 2021.

Institutions holding INSM in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Russell Investments Group, Ltd.40,430$1.10M0.00%−3,629−8.2%Reduced
Rockwood Wealth Management, LLC42,000$1.14M0.51%+42,000New
Millennium Management LLC42,331$1.15M0.00%+42,331New
ProShare Advisors LLC42,468$1.16M0.00%+3,114+7.9%Added
Atom Investors LP43,444$1.18M0.33%+43,444New
SG Americas Securities, LLC44,464$1.21M0.01%−32,547−42.3%Reduced
State Board of Administration of Florida Retirement System45,142$1.23M0.00%+784+1.8%Added
Weiss Multi-Strategy Advisers LLC45,645$1.24M0.03%+1,645+3.7%Added
Neuberger Berman Group LLC46,187$1.25M0.00%+30+0.1%Added
SEI Investments Co46,849$1.27M0.00%−913−1.9%Reduced
Erste Asset Management GmbH47,600$1.30M0.02%00.0%Unchanged
Royal Bank of Canada49,145$1.34M0.00%+13,042+36.1%Added
Walleye Capital LLC49,637$1.35M0.04%+49,637New
Manufacturers Life Insurance Company, The59,114$1.61M0.00%+76+0.1%Added
Invesco Ltd.60,304$1.64M0.00%−1,445−2.3%Reduced
Knights of Columbus Asset Advisors LLC62,537$1.70M0.14%+1,210+2.0%Added
American International Group, Inc.62,764$1.71M0.01%−171−0.3%Reduced
Allspring Global Investments Holdings, LLC70,045$1.91M0.00%+70,045New
BNP Paribas Arbitrage, SA71,194$1.94M0.00%+49,639+230.3%Added
Jane Street Group, LLC74,517$2.03M0.00%+48,584+187.3%Added
Integral Health Asset Management, LLC80,000$2.18M0.61%−20,000−20.0%Reduced
Long Focus Capital Management, LLC80,000$2.18M0.59%+80,000New
Oak Ridge Investments LLC83,251$2.27M0.19%−1,503−1.8%Reduced
Susquehanna International Group, LLP85,255$2.32M0.00%+6,983+8.9%Added
Endurant Capital Management LP89,211$2.43M0.66%−70,692−44.2%Reduced
Mutual of America Capital Management LLC89,663$2.44M0.02%−838−0.9%Reduced
State of New Jersey Common Pension Fund D92,207$2.51M0.01%−25,016−21.3%Reduced
Credit Suisse AG92,796$2.53M0.00%−49,227−34.7%Reduced
Cubist Systematic Strategies, LLC94,618$2.58M0.02%+75,630+398.3%Added
JPMorgan Chase & Co95,928$2.61M0.00%−101,761−51.5%Reduced
Woodline Partners LP100,185$2.73M0.04%−113,783−53.2%Reduced
Silverarc Capital Management, LLC100,621$2.74M1.23%−73,967−42.4%Reduced
Swedbank AB102,100$2.79M0.00%00.0%Unchanged
Parametric Portfolio Associates LLC103,642$2.82M0.00%+3,107+3.1%Added
EFG Asset Management (North America) Corp.103,776$2.83M0.37%+103,776New
New York State Common Retirement Fund105,566$2.88M0.00%+6,925+7.0%Added
Legal & General Group Plc106,680$2.91M0.00%+1,364+1.3%Added
Allianz Asset Management GmbH108,935$2.97M0.00%+7,855+7.8%Added
Wells Fargo & Company119,132$3.25M0.00%−34,903−22.7%Reduced
International Biotechnology Trust PLC121,100$3.30M0.73%−120,000−49.8%Reduced
Rhumbline Advisers122,054$3.33M0.00%−408−0.3%Reduced
Edgestream Partners, L.P.122,937$3.35M0.21%−62,578−33.7%Reduced
UBS Asset Management Americas Inc128,890$3.51M0.00%+13,490+11.7%Added
Alps Advisors Inc136,994$3.73M0.04%+136,994New
DekaBank Deutsche Girozentrale142,100$3.87M0.01%+7,900+5.9%Added
Barclays PLC143,355$3.90M0.00%+59,564+71.1%Added
State of Wisconsin Investment Board157,200$4.28M0.01%+20,900+15.3%Added
Voya Investment Management LLC159,476$4.34M0.01%−136,941−46.2%Reduced
California State Teachers Retirement System161,468$4.40M0.01%+6,463+4.2%Added
Deutsche Bank AG164,553$4.48M0.00%−1,999−1.2%Reduced
Hennion & Walsh Asset Management, Inc.182,173$4.96M0.24%−35,909−16.5%Reduced
Citigroup Inc184,026$5.01M0.00%+85,694+87.1%Added
UBS Group AG188,267$5.13M0.00%+97,157+106.6%Added
Lord, Abbett & Co. LLC191,452$5.21M0.01%−1,823−0.9%Reduced
Rafferty Asset Management, LLC199,817$5.44M0.03%+85,043+74.1%Added
Two Sigma Advisers, LP203,000$5.53M0.01%−227,700−52.9%Reduced
Altium Capital Management LP203,354$5.54M1.56%00.0%Unchanged
Putnam Investments LLC210,692$5.74M0.01%+9,705+4.8%Added
Sycale Advisors (NY) LLC235,545$6.42M3.00%−102,958−30.4%Reduced
California Public Employees Retirement System241,081$6.57M0.00%+2,142+0.9%Added
WCM Investment Management, LLC242,175$6.60M0.01%+16,360+7.2%Added
GW&K Investment Management, LLC249,613$6.80M0.06%+21,953+9.6%Added
Swiss National Bank252,600$6.88M0.00%+1,800+0.7%Added
Rice Hall James & Associates, LLC281,126$7.66M0.27%−11,675−4.0%Reduced
D. E. Shaw & Co., Inc.303,730$8.27M0.01%−60,254−16.6%Reduced
Granahan Investment Management Inc305,663$8.33M0.17%−1,067−0.3%Reduced
Scout Investments, Inc.324,560$8.84M0.13%−7,305−2.2%Reduced
C WorldWide Group Holding A/S343,110$9.35M0.09%00.0%Unchanged
Peregrine Capital Management LLC353,627$9.63M0.19%+9,978+2.9%Added
TD Asset Management Inc388,962$10.6M0.01%+114,230+41.6%Added
Paradigm Biocapital Advisors LP394,358$10.7M3.07%+394,358New
Dimensional Fund Advisors LP409,216$11.1M0.00%+293,890+254.8%Added
Bank of America Corp430,273$11.7M0.00%+50,458+13.3%Added
Sofinnova Investments, Inc.441,773$12.0M0.77%−93,347−17.4%Reduced
Hood River Capital Management LLC449,136$12.2M0.37%+350.0%Added
Goldman Sachs Group Inc463,326$12.6M0.00%+221,138+91.3%Added
Nuveen Asset Management, LLC504,444$13.3M0.00%−30,630−5.7%Reduced
Bank of New York Mellon Corp504,152$13.7M0.00%+12,636+2.6%Added
Sectoral Asset Management Inc528,342$14.4M2.17%−360,358−40.5%Reduced
Morgan Stanley556,169$15.2M0.00%−337,803−37.8%Reduced
American Century Companies Inc591,112$16.1M0.01%+48,878+9.0%Added
Novo Holdings A/S695,840$19.0M0.90%00.0%Unchanged
First Light Asset Management, LLC698,369$19.0M1.36%−528,914−43.1%Reduced
Principal Financial Group Inc782,603$21.3M0.01%+25,089+3.3%Added
AXA S.A.800,829$21.8M0.06%+100,629+14.4%Added
Charles Schwab Investment Management Inc849,574$23.1M0.01%+20,621+2.5%Added
Eagle Asset Management Inc881,370$24.1M0.11%−49,843−5.4%Reduced
Candriam Luxembourg S.C.A.965,755$26.3M0.17%+86,208+9.8%Added
Suvretta Capital Management, LLC1,081,532$29.5M0.57%+82,800+8.3%Added
Northern Trust Corp1,222,716$33.3M0.01%+21,576+1.8%Added
Norges Bank1,296,198$35.3M0.01%+357,300+38.1%Added
Loomis Sayles & Co L P1,302,510$35.5M0.04%+67,849+5.5%Added
Samlyn Capital, LLC1,306,992$35.6M0.55%+43,589+3.5%Added
Fairmount Funds Management LLC1,313,607$35.8M11.80%00.0%Unchanged
Avidity Partners Management LP1,450,000$39.5M0.84%+158,000+12.2%Added
Polar Capital Holdings Plc1,798,209$49.0M0.25%00.0%Unchanged
Geode Capital Management, LLC2,057,992$56.1M0.01%+49,495+2.5%Added
Holocene Advisors, LP2,136,586$58.2M0.31%−50,689−2.3%Reduced
Baker Bros. Advisors LP2,156,001$58.7M0.29%00.0%Unchanged
Point72 Asset Management, L.P.2,399,252$65.4M0.29%−1,192,736−33.2%Reduced