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Insmed
INSM

Overview Fund Activity

508 hedge funds and large institutions have $21.1B invested in Insmed in 2025 Q2 according to their latest regulatory filings, with 132 funds opening new positions, 161 increasing their positions, 185 reducing their positions, and 52 closing their positions.

Holders
508
Holders Change
+73
Holders Change %
+16.78%
% of All Funds
6.82%
Holding in Top 10
33
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+6.45%
% of All Funds
0.44%
New
132
Increased
161
Reduced
185
Closed
52
Calls
$199M
Puts
$247M
Net Calls
-$48.5M
Net Calls Change
+$23.5M

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$1.57B
2
DGM
2
Darwin Global Management
Jersey
$1.92B
3
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$344M
4
BBA
4
Baker Bros. Advisors
New York
$776M
5
Norges Bank
5
Norges Bank
Norway
$195M

Top Sellers

1
BlackRock
1
BlackRock
New York
$1.12B
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$1.13B
3
State Street
3
State Street
Massachusetts
$431M
4
SCM
4
Suvretta Capital Management
New York
$24M
5
Macquarie Group
5
Macquarie Group
Australia
$114M
Name Market Value Shares Shares
Change 		Shares
Change %
IHAM
26
Integral Health Asset Management
New York
$161M 1,600,000 +50,000 +3%
Pictet Asset Management
27
Pictet Asset Management
Switzerland
$156M 1,553,628 -459,701 -23%
Lord, Abbett & Co
28
Lord, Abbett & Co
New Jersey
$156M 1,545,859 +195,272 +14%
Citadel Advisors
29
Citadel Advisors
Florida
$154M 1,533,277 +1,158,462 +309%
OAG
30
Orbis Allan Gray
Bermuda
$153M 1,524,134 +1,524,134 New
ClearBridge Investments
31
ClearBridge Investments
New York
$143M 1,424,562 -404,166 -22%
Jane Street
32
Jane Street
New York
$136M 1,352,922 +1,228,335 +986%
Principal Financial Group
33
Principal Financial Group
Iowa
$136M 1,348,027 -407,346 -23%
AllianceBernstein
34
AllianceBernstein
Tennessee
$135M 1,343,212 -1,080,301 -45%
Westfield Capital Management
35
Westfield Capital Management
Massachusetts
$135M 1,339,288 -67,321 -5%
Charles Schwab
36
Charles Schwab
California
$131M 1,299,568 -303,087 -19%
GKIM
37
GW&K Investment Management
Massachusetts
$128M 1,274,316 -103,410 -8%
Bank of America
38
Bank of America
North Carolina
$123M 1,226,737 -126,262 -9%
Bank of New York Mellon
39
Bank of New York Mellon
New York
$121M 1,197,473 +40,723 +4%
EAM
40
Eventide Asset Management
Massachusetts
$120M 1,196,494 +14,819 +1%
Fidelity International
41
Fidelity International
Bermuda
$117M 1,165,464 -1,224,737 -51%
Wellington Management Group
42
Wellington Management Group
Massachusetts
$117M 1,159,699 -62,928 -5%
Macquarie Group
43
Macquarie Group
Australia
$114M 1,130,923 -1,231,182 -52%
Marshall Wace
44
Marshall Wace
United Kingdom
$112M 1,113,361 +417,124 +60%
Qube Research & Technologies (QRT)
45
Qube Research & Technologies (QRT)
United Kingdom
$109M 1,082,050 +1,082,050 New
Morgan Stanley
46
Morgan Stanley
New York
$105M 1,043,791 -15,865 -1%
SPPAM
47
Summit Partners Public Asset Management
Massachusetts
$102M 1,008,937 +304,571 +43%
Northern Trust
48
Northern Trust
Illinois
$97.6M 969,800 -714,038 -42%
HRCM
49
Hood River Capital Management
Florida
$90.5M 899,603 -658,683 -42%
TCM
50
TimesSquare Capital Management
New York
$87.9M 873,491 -190,657 -18%
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