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Insmed
INSM

Overview Fund Activity

435 hedge funds and large institutions have $15.2B invested in Insmed in 2025 Q1 according to their latest regulatory filings, with 56 funds opening new positions, 184 increasing their positions, 149 reducing their positions, and 49 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
435
Holders Change
–
Holders Change %
0%
% of All Funds
5.91%
Holding in Top 10
31
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+6.9%
% of All Funds
0.42%
New
56
Increased
184
Reduced
149
Closed
49
Calls
$73M
Puts
$145M
Net Calls
-$72M
Net Calls Change
-$110M

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$234M
2
DGM
Darwin Global Management
Jersey
+$190M
3
Adage Capital Partners
Adage Capital Partners
Massachusetts
+$137M
4
Holocene Advisors
Holocene Advisors
New York
+$102M
5
DFO
Duquesne Family Office
New York
+$59.2M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$112M
2
PAI
Palo Alto Investors
California
-$47M
3
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$38.6M
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$37M
5
LGM
Logos Global Management
California
-$31.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
CCM
226
Cinctive Capital Management
New York
$1.8M -$130K -1,699 -7%
HS
227
HighVista Strategies
Massachusetts
$1.64M -$471K -6,172 -22%
XT
228
XTX Topco
Cayman Islands
$1.62M +$1.62M +21,250 New
HSBC Holdings
229
HSBC Holdings
United Kingdom
$1.61M +$23.7K +315 +1%
Cetera Investment Advisers
230
Cetera Investment Advisers
Illinois
$1.58M +$803K +10,525 +104%
SAM
231
Simplify Asset Management
Nevada
$1.57M +$8.39K +110 +0.5%
OAM
232
Oppenheimer Asset Management
New York
$1.52M +$416K +5,453 +38%
Public Employees Retirement Association of Colorado
233
Public Employees Retirement Association of Colorado
Colorado
$1.49M – – –
SFAM
234
Springhill Fund Asset Management
Hong Kong
$1.46M -$3.84M -50,308 -72%
NYLIM
235
New York Life Investment Management
New York
$1.43M +$70.9K +929 +5%
DIA
236
Dana Investment Advisors
Wisconsin
$1.41M -$210K -2,747 -13%
SC
237
SummitTX Capital
Texas
$1.37M +$1.37M +17,928 New
AIP
238
Ameritas Investment Partners
Nebraska
$1.34M – – –
SSA
239
Schonfeld Strategic Advisors
New York
$1.24M +$607K +7,961 +96%
VRS
240
Virginia Retirement Systems
Virginia
$1.23M +$1.23M +16,065 New
CP
241
CenterBook Partners
Connecticut
$1.22M +$504K +6,600 +70%
SAM
242
Sectoral Asset Management
Quebec, Canada
$1.16M +$600K +7,859 +107%
Connor, Clark & Lunn Investment Management (CC&L)
243
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$1.16M +$1.16M +15,143 New
Simplex Trading
244
Simplex Trading
Illinois
$1.1M -$324K -4,248 -23%
EFM
245
E Fund Management
China
$1.04M +$59.9K +785 +6%
X
246
Xponance
Pennsylvania
$1.02M +$51.1K +670 +5%
Mackenzie Financial
247
Mackenzie Financial
Ontario, Canada
$1,000K +$169K +2,220 +20%
TRSOTSOK
248
Teachers Retirement System of the State of Kentucky
Kentucky
$975K +$975K +12,775 New
GAM
249
Groupama Asset Management
France
$970K -$867K – –
Corient Private Wealth
250
Corient Private Wealth
Florida
$940K -$184K -2,411 -16%
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