13F

Stock

Insmed Inc

INSM · held by 675 managers

Reported value

$35.4B

Holders

675

+8 new · −3 exited

Holders’ est. mark

$251.3M

Price effect on 7 books still in the name

Largest holder

$4.04B

JPMORGAN CHASE & CO

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
JPMORGAN CHASE & CO23.2M$4.04B—Held
Vanguard21.1M$3.67B—Held
Darwin Global Management, Ltd.20.9M$3.64B—Held
BlackRock, Inc.15.1M$2.62B—Held
Fidelity9.93M$1.73B—Held
BAKER BROS. ADVISORS LP6.59M$1.15B—Held
State Street5.2M$905.3M—Held
Capital International Investors5.15M$896.6M—Held
Artisan Partners Limited Partnership4.84M$843M—Held
RTW INVESTMENTS, LP4.84M$842.9M—Held
D. E. Shaw & Co., Inc.4.35M$757.2M—Held
GEODE CAPITAL MANAGEMENT, LLC4.3M$751.9M—Held
Orbis Allan Gray Ltd4.18M$727.5M—Held
NORGES BANK2.91M$506.6M$170.4MAdded$373.7M
FRANKLIN RESOURCES INC2.76M$479.6M—Held
Invesco Ltd.2.73M$474.6M—Held
AMERIPRISE FINANCIAL INC1.97M$342.7M—Held
UBS Group AG1.87M$325M—Held
BANK OF AMERICA CORP /DE/1.73M$300.3M$48.1MAdded$69.7M
MORGAN STANLEY1.63M$284M$28.9MAdded$145.2M
Bank of New York Mellon Corp1.39M$241.9M—Held
MILLENNIUM MANAGEMENT LLC1.31M$228.3M—Held
Castle Hook Partners LP1.25M$218.2M—Held
Integral Health Asset Management, LLC1.25M$217.6M—Held
GOLDMAN SACHS GROUP INC1.24M$216.7M—Held
NORTHERN TRUST CORP1.24M$215.5M—Held
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC1.22M$212.5M—Held
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.1.18M$205.9M—Held
Citadel1.16M$201.4M—Held
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1.03M$178.8M—Held
Fiera Capital Corp992.9K$172.8M—Held
TWO SIGMA INVESTMENTS, LP962.2K$167.5M—Held
Pictet Asset Management Holding SA959K$167.3M—Held
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC943.3K$164.2M—Held
Jefferies Financial Group Inc.926.3K$161.2M—Held
Amundi917K$159.6M—Held
BNP PARIBAS FINANCIAL MARKETS915.4K$159.3M—Held
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC909.1K$158.2M—Held
SEI INVESTMENTS CO890.2K$154.9M—Held
FIL Ltd838.5K$145.9M—Held
Clearbridge Investments, LLC819K$142.5M—Held
Holocene Advisors, LP801.2K$139.4M—Held
JANUS HENDERSON GROUP PLC800.6K$139.3M—Held
RAYMOND JAMES FINANCIAL INC779.3K$135.6M—Held
PRINCIPAL FINANCIAL GROUP INC771.4K$134.2M—Held
Artia Global Partners LP682.2K$118.7M—Held
Nuveen, LLC650.4K$113.2M—Held
VICTORY CAPITAL MANAGEMENT INC646.7K$112.6M—Held
ALLIANCEBERNSTEIN L.P.642.7K$111.9M—Held
Hood River Capital Management LLC637.6K$111M—Held
FEDERATED HERMES, INC.632.3K$110M—Held
DEUTSCHE BANK AG\590K$102.7M—Held
WELLS FARGO & COMPANY/MN586.7K$102.1M—Held
Swiss National Bank579.1K$100.8M—Held
JENNISON ASSOCIATES LLC562.3K$97.9M—Held
Legal & General Group Plc540.3K$94M—Held
ROYAL BANK OF CANADA506.8K$88.2M—Held
Nearwater Capital Markets, Ltd500K$87M—Held
TimesSquare Capital Management, LLC490.5K$85.4M—Held
Palo Alto Investors LP489.5K$85.2M—Held
WELLINGTON MANAGEMENT GROUP LLP486.1K$84.6M—Held
EVENTIDE ASSET MANAGEMENT, LLC483.6K$84.2M—Held
Icahn Capital468.3K$81.5M—Held
Affinity Asset Advisors, LLC450K$78.3M—Held
BARCLAYS PLC444.7K$77.4M$3.43MAdded$61M
Sumitomo Mitsui Trust Group, Inc.435.4K$75.8M—Held
WESTFIELD CAPITAL MANAGEMENT CO LP432.5K$75.3M—Held
Candriam S.C.A.401K$69.8M—Held
DIMENSIONAL FUND ADVISORS LP399.1K$69.5M—Held
TWO SIGMA ADVISERS, LP395K$68.7M—Held
MARSHALL WACE, LLP389.9K$67.9M—Held
Ensign Peak Advisors, Inc382.2K$66.5M—Held
Balyasny Asset Management L.P.380.6K$66.2M—Held
SAMLYN CAPITAL, LLC369.6K$64.3M—Held
GATEWAY INVESTMENT ADVISERS LLC365K$63.5M—Held
California Public Employees Retirement System354.9K$61.8M—Held
Polar Capital Holdings Plc344.2K$59.9M—Held
ProShare Advisors LLC340.7K$59.3M—Held
Rock Springs Capital Management LP319.3K$55.6M—Held
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM310.3K$54M—Held
ADAGE CAPITAL PARTNERS GP, L.L.C.300K$52.2M—Held
FRONTIER CAPITAL MANAGEMENT CO LLC284.8K$49.6M—Held
Zurich Insurance Group Ltd/FI281.1K$48.9M—Held
National Pension Service280.4K$48.8M—Held
NEW YORK STATE COMMON RETIREMENT FUND276.3K$48.1M—Held
ENVESTNET ASSET MANAGEMENT INC276.1K$48.1M—Held
Cormorant Asset Management, LP275K$47.9M—Held
RHUMBLINE ADVISERS268.3K$46.7M—Held
Patient Square Capital LP267K$46.5M—Held
First Turn Management, LLC264.3K$46M—Held
TD Asset Management Inc262.5K$45.7M—Held
AXIOM INVESTORS LLC /DE255.8K$44.5M—Held
Aberdeen Group plc253.1K$44.1M—Held
FIRST TRUST ADVISORS LP247.9K$43.2M—Held
CITIGROUP INC237.9K$41.4M—Held
Mitsubishi UFJ Asset Management Co., Ltd.222.3K$39.4M—Held
Allspring Global Investments Holdings, LLC220.1K$39M—Held
Eagle Health Investments LP210.9K$36.7M—Held
NEUBERGER BERMAN GROUP LLC207.9K$36.2M—Held
Susquehanna Portfolio Strategies, LLC207.5K$36.1M—Held
Alberta Investment Management Corp206.5K$35.9M—New
VOYA INVESTMENT MANAGEMENT LLC201K$35M—Held
NOVO HOLDINGS A/S200K$34.8M—Held
LOOMIS SAYLES & CO L P200K$34.8M—Held
SUSQUEHANNA INTERNATIONAL GROUP, LLP188.6K$32.8M—Held
AMERICAN CENTURY COMPANIES INC185.1K$32.2M—Held
Nicholas Investment Partners, LP180.4K$31.4M—Held
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM180.3K$31.4M—Held
TREMBLANT CAPITAL GROUP175.7K$30.6M—Held
Zurcher Kantonalbank (Zurich Cantonalbank)161.8K$28.2M—Held
Sofinnova Investments, Inc.156.8K$27.3M—Held
Russell Investments Group, Ltd.145.1K$25.3M—Held
Perpetual Ltd141.5K$24.6M—Held
LPL Financial LLC132.8K$23.1M—Held
STATE OF WISCONSIN INVESTMENT BOARD131.6K$22.9M—Held
Woodline Partners LP130.2K$22.7M—Held
Caption Management, LLC130K$22.6M—Held
Long Focus Capital Management, LLC125K$21.8M—Held
HSBC HOLDINGS PLC123.3K$21.5M—Held
ING GROEP NV122.9K$21.4M—Held
Evergreen Quality Fund GP, Ltd.120.5K$21M—Held
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.120.4K$21M—Held
MANUFACTURERS LIFE INSURANCE COMPANY, THE118.8K$20.7M—Held
Man Group plc118.4K$20.6M—Held
Rhenman & Partners Asset Management AB113.6K$19.8M—Held
DANSKE BANK A/S110.3K$19.2M$176.2KAdded$18.9M
AVIVA PLC109.4K$19M—Held
SUVRETTA CAPITAL MANAGEMENT, LLC109.3K$19M—Held
NATIONAL BANK OF CANADA /FI/108.7K$18.9M—Held
LMR Partners LLP107.5K$18.7M—Held
Assenagon Asset Management S.A.106.8K$18.6M—Held
Driehaus Capital Management LLC105.6K$18.4M—Held
Universal- Beteiligungs- und Servicegesellschaft mbH103.3K$18M—Held
Rafferty Asset Management, LLC100.8K$17.5M—Held
Skandinaviska Enskilda Banken AB (publ)96.4K$16.8M—Held
LOS ANGELES CAPITAL MANAGEMENT LLC82.4K$16M—Held
Police & Firemen's Retirement System of New Jersey89.1K$15.5M—Held
NOMURA ASSET MANAGEMENT CO LTD83.5K$14.5M—Held
Mitsubishi UFJ Trust & Banking Corp83K$14.5M—Held
GUGGENHEIM CAPITAL LLC82.3K$14.3M—Held
Asset Management One Co., Ltd.80.9K$14.3M—Held
FRED ALGER MANAGEMENT, LLC81.3K$14.2M—Held
EULAV Asset Management81K$14.1M—Held
ExodusPoint Capital Management, LP80.1K$13.9M—Held
Mirae Asset Global Investments Co., Ltd.78.5K$13.7M—Held
Atika Capital Management LLC77.2K$13.4M—Held
KLP KAPITALFORVALTNING AS74K$12.9M—Held
Korea Investment CORP72.6K$12.6M—Held
State of New Jersey Common Pension Fund D72.1K$12.6M—Held
SILVERARC CAPITAL MANAGEMENT, LLC71.3K$12.4M—Held
Creative Planning70.5K$12.3M—Held
STIFEL FINANCIAL CORP69.2K$12.1M—Held
SCHRODER INVESTMENT MANAGEMENT GROUP67.4K$11.7M—Held
Squarepoint Ops LLC66.4K$11.6M—Held
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND65.3K$11.4M—Held
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO63K$11M—Held
BANK OF MONTREAL /CAN/62.8K$10.9M—Held
ESSEX INVESTMENT MANAGEMENT CO LLC62.4K$10.9M—Held
BANK OF NOVA SCOTIA60.8K$10.6M—Held
Resona Asset Management Co.,Ltd.60.4K$10.5M—Held
TANG CAPITAL MANAGEMENT LLC60K$10.4M—Held
Alyeska Investment Group, L.P.60K$10.4M—Held
ROYCE & ASSOCIATES LP59.7K$10.4M—Held
Swedbank AB59.6K$10.4M—Held
AGF MANAGEMENT LTD58.8K$10.2M—Held
ARIZONA STATE RETIREMENT SYSTEM57.9K$10.1M—Held
NISSAY ASSET MANAGEMENT CORP /JAPAN57.7K$10M—Held
PICTON MAHONEY ASSET MANAGEMENT57.3K$9.97M—Held
Engineers Gate Manager LP54.8K$9.53M—Held
STRS OHIO52K$9.05M—Held
PARNASSUS INVESTMENTS, LLC51.6K$8.99M—Held
OP Asset Management Ltd50.5K$8.8M—New
FJARDE AP-FONDEN /FOURTH SWEDISH NATIONAL PENSION FUND50.5K$8.79M—Held
Erste Asset Management GmbH49.6K$8.75M—Held
Monashee Investment Management LLC50K$8.7M—Held
Defilade Capital Management, L.P.50K$8.7M—Held
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC49.1K$8.54M—Held
Soleus Capital Management, L.P.48.5K$8.44M—Held
CIBC Asset Management Inc48.5K$8.43M—Held
PFA Pension, Forsikringsaktieselskab48.3K$8.41M—Held
NEOS Investment Management LLC48K$8.35M—Held
FORSTA AP-FONDEN45.1K$7.85M—Held
TWINBEECH CAPITAL LP44K$7.66M—Held
XPONANCE LLC43K$7.49M—Held
Allianz Asset Management GmbH42.6K$7.42M—Held
China Universal Asset Management Co., Ltd.42.4K$7.38M—Held
GF FUND MANAGEMENT CO. LTD.42.2K$7.35M—Held
DNB Asset Management AS40.9K$7.12M—Held
Legato Capital Management LLC40K$6.96M—Held
ASSETMARK, INC39.7K$6.91M—Held
HighVista Strategies LLC39.4K$6.86M—Held
Cetera Investment Advisers38.4K$6.69M—Held
BAMCO INC /NY/38.2K$6.65M—Held
THORNBURG INVESTMENT MANAGEMENT INC38K$6.61M—Held
BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp37.5K$6.53M—Held
Simplify Asset Management Inc.36.9K$6.42M—Held
Orion Porfolio Solutions, LLC36.6K$6.37M—Held
TORONTO DOMINION BANK36.3K$6.32M—Held
Andra AP-fonden36.3K$6.32M—Held
Freestone Grove Partners LP36.2K$6.3M—Held
NWAM LLC39K$6.23M−$319.3KCut−$2.09M
Mariner, LLC35.3K$6.14M—Held
MML INVESTORS SERVICES, LLC34.2K$5.95M—Held
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main33.8K$5.88M—New
TEACHER RETIREMENT SYSTEM OF TEXAS33.2K$5.78M—Held
Calamos Advisors LLC32.2K$5.6M—Held
KENNEDY CAPITAL MANAGEMENT LLC32K$5.58M—Held
Utah Retirement Systems32K$5.57M—Held
NOMURA HOLDINGS INC30.5K$5.31M—Held
Caisse de depot et placement du Quebec29.5K$5.13M—Held
GordonMD Global Investments LP28.6K$4.98M—Held
KVP Capital Advisors, LP28.5K$4.96M—Held
Atle Fund Management AB27.9K$4.85M—Held
PROFUND ADVISORS LLC27.8K$4.85M—Held
Compound Planning, Inc.27.7K$4.81M—Held
Pathstone Holdings, LLC27K$4.69M—Held
MCRAE CAPITAL MANAGEMENT INC26.7K$4.64M—Held
SummitTX Capital, L.P.26K$4.52M—Held
Renaissance Technologies25.9K$4.51M—Held
ACUTA CAPITAL PARTNERS, LLC25.9K$4.5M—Held
ORBIMED ADVISORS LLC25.4K$4.42M—Held
SHELTON CAPITAL MANAGEMENT24.3K$4.23M—Held
Sumitomo Mitsui DS Asset Management Company, Ltd22.3K$3.88M—Held
PEAK6 LLC22.2K$3.86M—New
O'SHAUGHNESSY ASSET MANAGEMENT, LLC21.9K$3.82M—Held
Campbell & CO Investment Adviser LLC21.9K$3.81M—Held
EFG International AG21.9K$3.81M—Held
Gotham Asset Management, LLC21.8K$3.79M—Held
MACKENZIE FINANCIAL CORP21.6K$3.76M—Held
Sanctuary Advisors, LLC21.3K$3.71M$586.6KAdded$900.2K
Tidal Investments LLC21.3K$3.71M—Held
ASR Vermogensbeheer N.V.21.1K$3.67M—Held
CANADA PENSION PLAN INVESTMENT BOARD21K$3.65M—Held
Corient Private Wealth LLC20.9K$3.63M—Held
Rakuten Investment Management, Inc.20.5K$3.61M—Held
STOREBRAND ASSET MANAGEMENT AS20.6K$3.59M—Held
SBI Okasan Asset Management Co.Ltd.20.2K$3.56M—Held
Atria Investments, Inc20.4K$3.55M—Held
NEXT CENTURY GROWTH INVESTORS LLC20.3K$3.53M—Held
NORDEA INVESTMENT MANAGEMENT AB20K$3.49M—Held
BROWN ADVISORY INC20K$3.48M—Held
Baird Financial Group, Inc.19.7K$3.43M—Held
Silvant Capital Management LLC19.6K$3.41M—Held
Quantinno Capital Management LP19.5K$3.4M—Held
Cerity Partners LLC19.4K$3.38M—Held
OSAIC HOLDINGS, INC.19.3K$3.35M—Held
Cinctive Capital Management LP17.9K$3.12M—Held
Avidity Partners Management LP17.7K$3.08M—Held
CIBC WORLD MARKETS CORP17.7K$3.08M—Held
Walleye Trading LLC17.7K$3.07M—Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.