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AMERICAN CENTURY COMPANIES INC

Position in INSM — INSMED Inc

CIK 748054 KANSAS CITY, MO

Position in INSM

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$81,002,945
-$70,383,707 QoQ
Shares Held
759,735
-17.9% QoQ
Ownership
0.348%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#54
of 665 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 98% Shared 2% None 0%

Common Shares in INSM Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

AMERICAN CENTURY COMPANIES INC holds $3,568,637,643 across 178 Biotechnology names. INSM ranks #9 (2.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in INSM

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $81,002,945 759,735
2026-03-31 $151,386,652 925,799
2025-12-31 $32,213,063 185,090
2025-09-30 $11,042,542 76,679
2025-06-30 $19,128,040 190,064
2025-03-31 $66,534,263 872,123
2024-12-31 $56,114,331 812,780
2024-09-30 $52,828,859 723,683
2024-06-30 $50,603,157 755,271
2024-03-31 $19,062,189 702,624
2023-12-31 $20,521,578 662,200
2023-09-30 $15,516,781 614,526
2023-06-30 $12,767,335 605,087
2023-03-31 $9,956,586 583,964
2022-12-31 $13,138,308 657,573
2022-09-30 $14,098,963 654,548
2022-06-30 $12,463,059 632,001
2022-03-31 $13,845,189 589,157
2021-12-31 $16,101,890 591,112
2021-09-30 $14,933,124 542,234
2021-06-30 $15,432,292 542,245
2021-03-31 $16,242,124 476,868
2020-12-31 $16,202,808 486,717
2020-09-30 $15,794,945 491,442
2020-06-30 $12,255,465 445,006
2020-03-31 $6,889,197 429,769