665 hedge funds and large institutions have $35B invested in Insmed in 2026 Q1 according to their latest regulatory filings, with 98 funds opening new positions, 286 increasing their positions, 212 reducing their positions, and 95 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
665
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
26
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$352M
Puts
$232M
Net Calls
Net Calls Change

Top Buyers

1 +$497M
2 +$259M
3 +$248M
4
Capital World Investors
Capital World Investors
California
+$209M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$196M

Top Sellers

1 -$635M
2 -$355M
3 -$146M
4
JFG
Jefferies Financial Group
New York
-$142M
5
Holocene Advisors
Holocene Advisors
New York
-$139M
Name Holding Trade Value Shares
Change
Change in
Stake
PWAM
526
Private Wealth Asset Management
Iowa
$54.5K
BC
527
Bayforest Capital
United Kingdom
$53.3K
BTI
528
Blue Trust Inc
Georgia
$53K
SS
529
SBI Securities
Japan
$49.7K
TWC
530
TD Waterhouse Canada
Ontario, Canada
$49.5K
UB
531
UMB Bank
Missouri
$46.9K
ASN
532
Advisory Services Network
Georgia
$46.4K
Northwestern Mutual Wealth Management
533
Northwestern Mutual Wealth Management
Wisconsin
$46.3K
TFIPS
534
Towarzystwo Funduszy Inwestycyjnych PZU SA
$45.8K
HWM
535
HighMark Wealth Management
Minnesota
$40.9K
LFG
536
Larson Financial Group
Missouri
$40.4K
Acadian Asset Management
537
Acadian Asset Management
Massachusetts
$39K
HNB
538
Huntington National Bank
Ohio
$38.9K
MPWT
539
MassMutual Private Wealth & Trust
Connecticut
$37.3K
KAS
540
Kemnay Advisory Services
New York
$35.8K
AA
541
Ancora Advisors
Ohio
$35K
SHIM
542
Stone House Investment Management
Pennsylvania
$32.7K
DWP
543
Destiny Wealth Partners
Florida
$28.6K
RBI
544
Raiffeisen Bank International
Austria
$28.2K
JSAM
545
J. Safra Asset Management
New York
$26.3K
CI
546
CX Institutional
Indiana
$25K
AAP
547
Arax Advisory Partners
Colorado
$24.9K
VSQM
548
V-Square Quantitative Management
Illinois
$23.4K
OCM
549
Osbon Capital Management
Massachusetts
$22.4K
Parallax Volatility Advisers
550
Parallax Volatility Advisers
California
$21.1K