Position in INSM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,213,500,070
+$66,098,557 QoQ
Shares Held
7,421,111
+12.6% QoQ
Ownership
3.42%
of shares outstanding
% of Portfolio
7.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in INSM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026BAKER BROS. ADVISORS LP holds $16,600,149,582 across 76 Biotechnology names. INSM ranks #3 (7.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INCY |
Incyte Corp
|
30,744,412 | $2,893,664,057 | |
| 2 | ONC |
BeOne Medicines Ltd.
|
8,799,053 | $2,613,054,769 | |
| 3 | INSM |
INSMED Inc
This page
|
7,421,111 | $1,213,500,070 | |
| 4 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
2,141,701 | $1,121,116,222 | |
| 5 | ACAD |
Acadia Pharmaceuticals Inc
|
42,896,690 | $954,880,319 | |
| 6 | RVMD |
Revolution Medicines, Inc.
|
9,555,357 | $929,258,468 | |
| 7 | CELC |
Celcuity Inc.
|
7,915,792 | $903,508,498 | |
| 8 | KOD |
Kodiak Sciences Inc.
|
19,919,186 | $759,319,370 |
All Filings in INSM
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,213,500,070 | 7,421,111 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $1,147,401,513 | 6,592,746 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $965,368,730 | 6,703,484 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $776,226,256 | 7,712,900 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $410,487,957 | 5,380,626 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $345,673,821 | 5,006,863 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $322,362,014 | 4,415,918 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $239,594,546 | 3,576,038 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $9,305,590 | 343,000 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $10,629,570 | 343,000 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $8,660,750 | 343,000 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $7,237,300 | 343,000 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $5,848,150 | 343,000 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $398,601 | 19,950 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $429,723 | 19,950 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $42,516,339 | 2,156,001 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $50,666,023 | 2,156,001 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $58,729,467 | 2,156,001 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $59,376,267 | 2,156,001 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $61,359,788 | 2,156,001 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $73,433,394 | 2,156,001 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $71,773,273 | 2,156,001 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $73,044,963 | 2,272,712 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $83,319,075 | 3,025,384 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $48,496,905 | 3,025,384 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||