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Livermore
Livermore
ZHEN

Baker Bros. Advisors LP

SEC CIK
0001263508
Latest filing
Aug 14, 2026

INSM holding history

INSMED Inc in every 13F filed by Baker Bros. Advisors LP, 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)
8,796,111
Value
$937.8M
% of portfolio
4.7%
Quarters held
22
Since Q1 2021
Holdings of INSM by Baker Bros. Advisors LP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20268,796,111$937.8M4.7%+1,375,000+18.5%AddedHolders
Q1 20267,421,111$1.21B7.0%+828,365+12.6%AddedHolders
Q4 20256,592,746$1.15B6.7%−110,738−1.7%ReducedHolders
Q3 20256,703,484$965.4M7.0%−1,009,416−13.1%ReducedHolders
Q2 20257,712,900$776.2M7.5%+2,332,274+43.3%AddedHolders
Q1 20255,380,626$410.5M4.5%+373,763+7.5%AddedHolders
Q4 20245,006,863$345.7M3.7%+590,945+13.4%AddedHolders
Q3 20244,415,918$322.4M3.3%+839,880+23.5%AddedHolders
Q2 20243,576,038$239.6M3.1%+3,233,038+942.6%AddedHolders
Q1 2024343,000$9.31M0.1%00.0%UnchangedHolders
Q4 2023343,000$10.6M0.1%00.0%UnchangedHolders
Q3 2023343,000$8.66M<0.1%00.0%UnchangedHolders
Q2 2023343,000$7.24M<0.1%00.0%UnchangedHolders
Q1 2023343,000$5.85M<0.1%+323,050+1,619.3%AddedHolders
Q4 202219,950$398.6K<0.1%00.0%UnchangedHolders
Q3 202219,950$430.0K<0.1%−2,136,051−99.1%ReducedHolders
Q2 20222,156,001$42.5M0.2%00.0%UnchangedHolders
Q1 20222,156,001$50.7M0.3%00.0%UnchangedHolders
Q4 20212,156,001$58.7M0.3%00.0%UnchangedHolders
Q3 20212,156,001$59.4M0.3%00.0%UnchangedHolders
Q2 20212,156,001$61.4M0.3%00.0%UnchangedHolders
Q1 20212,156,001$73.4M0.3%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.