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INSM
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Position history for RTW INVESTMENTS, LP's holdings in INSMED INC

RTW INVESTMENTS, LP holds 4.8M shares of INSM (INSMED INC), worth $791.9M as of 2026-Q1. The position was increased. INSM represents 7.9% of RTW INVESTMENTS, LP's portfolio.

Current Value

$791.9M

Current Shares

4.8M

Total Value Change

+$548M

Total Shares Change

+1.2M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Increased
4.8M
0.0%
$791.9M7.9%$147.00
61
2025-Q4
Increased
4.8M
+57.0%
$842.9M8.4%$174.09
88
2025-Q3
Unchanged
3.1M
0.0%
$444.2M5.5%$141.65
0
2025-Q2
Increased
3.1M
+2.3%
$310.4M4.4%$99.49
58
2025-Q1
Unchanged
3M
0.0%
$230M3.5%$77.99
0
2024-Q4
Decreased
3M
-7.9%
$208.1M3.1%$68.87
0
2024-Q3
Decreased
3.3M
-10.1%
$238.9M3.5%$72.48
0
2024-Q2
Increased
3.6M
+95.2%
$243.9M3.8%$67.00
90

Other major holders of INSM: JPMORGAN CHASE & CO, VANGUARD GROUP INC

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