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

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.