INSMED INC (INSM) Institutional Ownership Changes & 13F Activity
INSMED INC (INSM). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Darwin Global Management, Ltd., Fmr Llc, Baker Bros. Advisors Lp, Invesco Ltd., and Raymond James Financial Inc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Op Asset Management Ltd | Buy | +50,549 | — | 50,549 | $8.80M | Q4 2025 | Sep 28, 2026 |
| Ensign Peak Advisors, Inc | Sell | -259,832 | -40.5% | 382,202 | $66.52M | Q4 2025 | Aug 18, 2026 |
| Algert Global Llc | Sell | -144,726 | -100.0% | 0 | $0.00 | Q4 2025 | Aug 11, 2026 |
| Invesco Ltd. | Buy | +4,791,481 | — | 4,791,481 | $833.91M | Q4 2025 | Jul 15, 2026 |
| Storebrand Asset Management As | Buy | +20,627 | — | 20,627 | $3.59M | Q4 2025 | May 20, 2026 |
| Independent Financial Group, Llc | Buy | +2,578 | +167.9% | 4,113 | $715.83K | Q4 2025 | May 15, 2026 |
| 1015 Capital Partners, Llc | Buy | +3 | — | 3 | $522.00 | Q4 2025 | May 11, 2026 |
| Osbon Capital Management Llc | Buy | +137 | — | 137 | $23.84K | Q4 2025 | Mar 16, 2026 |
| Hsbc Holdings Plc | Buy | +123,267 | — | 123,267 | $21.49M | Q4 2025 | Mar 06, 2026 |
| Tobam | Buy | +16,308 | — | 16,308 | $2.84M | Q4 2025 | Mar 02, 2026 |
| Midfirst Bank | Buy | +4,012 | — | 4,012 | $698.25K | Q4 2025 | Feb 25, 2026 |
| Bell Investment Advisors, Inc | Buy | +74 | — | 74 | $12.88K | Q4 2025 | Feb 24, 2026 |
| Virtu Financial Llc | Buy | +10,922 | — | 10,922 | $1.90M | Q4 2025 | Feb 23, 2026 |
| Mv Capital Management, Inc. | Buy | +3 | +30.0% | 13 | $2.26K | Q4 2025 | Feb 23, 2026 |
| Keenan, Llc | Buy | +2,121 | — | 2,121 | $369.14K | Q4 2025 | Feb 20, 2026 |
| Sunbelt Securities, Inc. | Buy | +74 | — | 74 | $12.88K | Q4 2025 | Feb 20, 2026 |
| Compound Planning, Inc. | Buy | +27,651 | — | 27,651 | $4.81M | Q4 2025 | Feb 19, 2026 |
| Corient Private Wealth Llc | Buy | +4,990 | — | 4,990 | $868.46K | Q4 2025 | Feb 19, 2026 |
| Mcguire Capital Advisors Inc | Buy | +128 | — | 128 | $22.28K | Q4 2025 | Feb 19, 2026 |
| Raymond James Financial Inc | Buy | +779,254 | — | 779,254 | $135.65M | Q4 2025 | Feb 18, 2026 |
| Kvp Capital Advisors, Lp | Buy | +28,497 | — | 28,497 | $4.96M | Q4 2025 | Feb 18, 2026 |
| Mackenzie Financial Corp | Buy | +21,620 | — | 21,620 | $3.76M | Q4 2025 | Feb 18, 2026 |
| Ikarian Capital, Llc | Buy | +9,337 | — | 9,337 | $1.63M | Q4 2025 | Feb 18, 2026 |
| Mercer Global Advisors Inc | Buy | +5,567 | — | 5,567 | $968.79K | Q4 2025 | Feb 18, 2026 |
| Vident Advisory, Llc | Buy | +5,014 | — | 5,014 | $872.64K | Q4 2025 | Feb 18, 2026 |
| Newedge Advisors, Llc | Buy | +2,582 | — | 2,582 | $449.44K | Q4 2025 | Feb 18, 2026 |
| Coastal Bridge Advisors, Llc | Buy | +1,440 | — | 1,440 | $250.62K | Q4 2025 | Feb 18, 2026 |
| Darwin Global Management, Ltd. | Buy | +20,933,277 | — | 20,933,277 | $3.64B | Q4 2025 | Feb 17, 2026 |
| Fmr Llc | Buy | +9,927,936 | — | 9,927,936 | $1.73B | Q4 2025 | Feb 17, 2026 |
| Baker Bros. Advisors Lp | Buy | +6,592,746 | — | 6,592,746 | $1.15B | Q4 2025 | Feb 17, 2026 |
Frequently asked questions about INSM activity
Which institutional owners are buying INSM?
Institutional owners buying INSM include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in INSM activity?
"Buy" means an investor increased their reported position in INSM compared to the prior reporting period. This reflects growing exposure to INSMED INC (INSM) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in INSM increasing?
Institutional interest in INSM can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related INSM Institutional Insights
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- INSM Insider Trading & SEC Form 4 Activity
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