ScrutarSign up free

INSM Institutional Ownership

Top institutional (13F) holders of INSM and activist (13D/G) positions, sourced from SEC EDGAR.

Institutional owners
43
Institutional value
$14.46B
Top holder
FMR LLC

Top holders

HolderFiledValue
FMR LLCinvestment advisorAug 13, 2026$1.72B
BlackRock, Inc.holding companyAug 7, 2026$1.69B
Vanguard Portfolio Managementhedge fundAug 13, 2026$1.11B
JPMORGAN CHASE & COinvestment advisorAug 12, 2026$1.09B
Vanguard Capital Managementhedge fundAug 13, 2026$1.04B
Capital International Investorsinvestment advisorAug 12, 2026$878.34M
Ameriprise Financial, Inc.holding companyAug 14, 2026$658.88M
STATE STREET CORPinvestment advisorAug 7, 2026$645.28M
D. E. Shaw & Co., Inc.investment advisorAug 14, 2026$633.12M
GEODE CAPITAL MANAGEMENT, LLCinvestment advisorAug 12, 2026$448.76M
PRICE T ROWE ASSOCIATES INC /MD/investment advisorAug 14, 2026$363.07M
Norges BankotherAug 12, 2026$360.12M
CITADEL ADVISORS LLCinvestment advisorAug 14, 2026$339.89M
MILLENNIUM MANAGEMENT LLCinvestment advisorAug 14, 2026$312.21M
Duquesne Family Office LLCinvestment advisorAug 14, 2026$295.84M
UBS Group AGinvestment advisorAug 13, 2026$275.77M
FRANKLIN RESOURCES INCinvestment advisorAug 13, 2026$242.37M
GOLDMAN SACHS GROUP INCinvestment advisorAug 14, 2026$241.13M
SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisorAug 14, 2026$230.73M
Capital World Investorsinvestment advisorMay 13, 2026$222.74M
BALYASNY ASSET MANAGEMENT L.P.investment advisorAug 14, 2026$143.20M
NORTHERN TRUST CORPinvestment advisorAug 13, 2026$140.24M
Bank of New York Mellon Corpholding companyAug 6, 2026$139.97M
TWO SIGMA INVESTMENTS, LPinvestment advisorAug 14, 2026$133.30M
MORGAN STANLEYinvestment advisorAug 13, 2026$131.52M

Never miss a INSM filing.

Get an email when INSM files its next 8-K, Form 4, 10-K or 10-Q with the SEC. Free, no account needed.

Free foreverNo account requiredOne-click unsubscribe

Protected by reCAPTCHA. Privacy & Terms

Source: SEC EDGAR Schedule 13D / 13G and 13F filings.