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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 %
CUAMC
201
China Universal Asset Management Company
China
$2.77M -$124K -1,629 -4%
HWAM
202
Hennion & Walsh Asset Management
New Jersey
$2.72M -$628K -8,230 -19%
GC
203
Guggenheim Capital
Illinois
$2.7M +$84.2K +1,104 +3%
Stifel Financial
204
Stifel Financial
Missouri
$2.69M +$638K +8,357 +31%
Walleye Capital
205
Walleye Capital
New York
$2.63M +$2.63M +34,478 New
KCM
206
Kennedy Capital Management
Missouri
$2.62M -$127K -1,661 -5%
KK
207
KLP Kapitalforvaltning
Norway
$2.61M +$91.5K +1,200 +4%
PA
208
Profund Advisors
Maryland
$2.45M -$381K -4,988 -13%
Mariner
209
Mariner
Kansas
$2.43M +$80.9K +1,060 +3%
Cerity Partners
210
Cerity Partners
New York
$2.4M +$1.01M +13,180 +72%
MML Investors Services
211
MML Investors Services
Massachusetts
$2.38M +$630K +8,254 +36%
LPC
212
Lion Point Capital
New York
$2.33M -$473K -6,200 -17%
Bank of Montreal
213
Bank of Montreal
Ontario, Canada
$2.32M -$561K -7,347 -19%
ACH
214
ArrowMark Colorado Holdings
Colorado
$2.29M – – –
Natixis Advisors
215
Natixis Advisors
Massachusetts
$2.28M +$651K +8,537 +40%
O
216
OrbiMed
New York
$2.19M -$5.03M -65,900 -70%
Skandinaviska Enskilda Banken (SEB)
217
Skandinaviska Enskilda Banken (SEB)
Sweden
$2.12M +$512K +6,705 +32%
Verition Fund Management
218
Verition Fund Management
Connecticut
$2.02M -$157K -2,059 -7%
AssetMark Inc
219
AssetMark Inc
California
$2M -$8.47K -111 -0.4%
First Trust Advisors
220
First Trust Advisors
Illinois
$2M -$3.09M -40,474 -61%
FMI
221
F/M Investments
District of Columbia
$2M -$1.27M -16,640 -39%
SO
222
STRS Ohio
Ohio
$1.96M +$61K +800 +3%
UOC
223
UBS O'Connor
Illinois
$1.94M -$90.6K -1,188 -4%
AFG
224
Atomi Financial Group
New York
$1.94M +$49.7K +652 +3%
BFM
225
Boothbay Fund Management
New York
$1.86M -$716K -9,390 -28%
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