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Fred Alger Management, LLC

SEC CIK
0000003520
Latest filing
Aug 14, 2026

INSM holding history

INSMED Inc in every 13F filed by Fred Alger Management, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

INSM overviewAll 13F holders of INSMFull Q2 2026 holdings

Shares (Q2 2026)
82,325
Value
$8.78M
% of portfolio
<0.1%
Quarters held
9
Since Q2 2024
Holdings of INSM by Fred Alger Management, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202682,325$8.78M<0.1%−43,441−34.5%ReducedHolders
Q1 2026125,766$20.6M0.1%+44,455+54.7%AddedHolders
Q4 202581,311$14.2M0.1%−12,722−13.5%ReducedHolders
Q3 202594,033$13.5M0.1%−95,686−50.4%ReducedHolders
Q2 2025189,719$19.1M0.1%−188,612−49.9%ReducedHolders
Q1 2025378,331$28.9M0.2%−7,129−1.8%ReducedHolders
Q4 2024385,460$26.6M0.1%−66,856−14.8%ReducedHolders
Q3 2024452,316$33.0M0.2%−46,256−9.3%ReducedHolders
Q2 2024498,572$33.4M0.2%+498,572NewHolders