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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 %
DP
451
Diadema Partners
New Jersey
– -$3.89M -56,337 Closed
PHS
452
PFM Health Sciences
California
– -$3.02M -43,774 Closed
EP
453
Edgestream Partners
New Jersey
– -$3.01M -43,619 Closed
Treasurer of the State of North Carolina
454
Treasurer of the State of North Carolina
North Carolina
– -$2.88M -41,770 Closed
LIP
455
Lighthouse Investment Partners
Florida
– -$2.69M -39,000 Closed
SCM
456
Superstring Capital Management
New York
– -$2.48M -35,966 Closed
Man Group
457
Man Group
United Kingdom
– -$2M -28,963 Closed
Renaissance Technologies
458
Renaissance Technologies
New York
– -$1.75M -25,287 Closed
Baird Financial Group
459
Baird Financial Group
Wisconsin
– -$1.54M -22,289 Closed
MASUI
460
MIRAE ASSET SECURITIES (USA) INC.
New York
– -$962K -13,936 Closed
PAMP
461
Polar Asset Management Partners
Ontario, Canada
– -$904K -13,100 Closed
PAP
462
Persistent Asset Partners
Hong Kong
– -$957K -12,500 Closed
AIM
463
Aigen Investment Management
New York
– -$824K -11,936 Closed
CFM
464
Catalyst Funds Management
Australia
– -$777K -11,250 Closed
CCG
465
Capital CS Group
California
– -$586K -8,488 Closed
FGP
466
Freestone Grove Partners
California
– -$524K -7,583 Closed
SI
467
Saxon Interests
Texas
– -$425K -6,163 Closed
OGC
468
One68 Global Capital
New York
– -$345K -5,000 Closed
VEA
469
Virtus ETF Advisers
New York
– -$335K -4,853 Closed
T
470
TOBAM
France
– -$321K -4,643 Closed
LCM
471
Lattice Capital Management
Washington
– -$255K -3,700 Closed
JF
472
Jump Financial
Illinois
– -$230K -3,336 Closed
Mercer Global Advisors
473
Mercer Global Advisors
Colorado
– -$227K -3,281 Closed
GS
474
GTS Securities
New York
– -$223K -3,229 Closed
QL
475
Quarry LP
New York
– -$207K -3,000 Closed
16 17 18
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