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INSMINSM

Showing 8 of 13 quarters

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

Yes. RTW Investments holds 4,842,880 shares of INSM (Insmed), worth $516.3M, as of its Q2 2026 13F filing. The share count is unchanged from Q1 2026. RTW Investments has held INSM since Q2 2023, across 13 quarterly 13F filings. INSM is 4.4% of RTW Investments' reported 13F portfolio.

Current Value

$516.3M

Current Shares

4.8M

Total Value Change

+$277.5M

Total Shares Change

+1.6M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Unchanged
4.8M
0.0%
$516.3M4.4%$106.62
0
2026-Q1
Increased
4.8M
0.0%
$791.9M7.9%$163.52
61
2025-Q4
Increased
4.8M
+57.0%
$842.9M8.4%$174.04
88
2025-Q3
Unchanged
3.1M
0.0%
$444.2M5.5%$144.01
0
2025-Q2
Increased
3.1M
+2.3%
$310.4M4.4%$100.64
58
2025-Q1
Unchanged
3M
0.0%
$230M3.5%$76.29
0
2024-Q4
Decreased
3M
-7.9%
$208.1M3.1%$69.04
0
2024-Q3
Decreased
3.3M
-10.1%
$238.9M3.5%$73.00
0

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