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Merit Medical Systems
MMSI

Overview Fund Activity

372 hedge funds and large institutions have $5.85B invested in Merit Medical Systems in 2025 Q2 according to their latest regulatory filings, with 53 funds opening new positions, 137 increasing their positions, 133 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
372
Holders Change
-2
Holders Change %
-0.53%
% of All Funds
4.99%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
53
Increased
137
Reduced
133
Closed
51
Calls
$85.5M
Puts
$3.78M
Net Calls
+$81.7M
Net Calls Change
-$8.94M

Top Buyers

1
Citadel Advisors
Citadel Advisors
Florida
$126M
2
Millennium Management
Millennium Management
New York
$28.6M
3
Vanguard Group
Vanguard Group
Pennsylvania
$638M
4
Two Sigma Advisers
Two Sigma Advisers
New York
$68.1M
5
Franklin Resources
Franklin Resources
California
$82.7M

Top Sellers

1
BlackRock
BlackRock
New York
$815M
2
ACH
ArrowMark Colorado Holdings
Colorado
$60.8M
3
UBS Group
UBS Group
Switzerland
$39.3M
4
NL
Nuveen LLC
North Carolina
$40.6M
5
DCM
Driehaus Capital Management
Illinois
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
ACH
26
ArrowMark Colorado Holdings
Colorado
$60.8M -$31.9M -341,220 -34%
CAM
27
Congress Asset Management
Massachusetts
$59.4M +$651K +6,963 +1%
Bank of America
28
Bank of America
North Carolina
$57.8M -$9.87M -105,635 -15%
GF
29
Greenhouse Funds
Maryland
$55M +$16.8M +180,125 +44%
Norges Bank
30
Norges Bank
Norway
$53.7M +$53.7M +574,422 New
Aberdeen Group
31
Aberdeen Group
United Kingdom
$53.5M -$2.81M -30,015 -5%
Raymond James Financial
32
Raymond James Financial
Florida
$52.3M +$4.23M +45,200 +9%
Ameriprise
33
Ameriprise
Minnesota
$51.1M -$10.7M -114,174 -17%
Rockefeller Capital Management
34
Rockefeller Capital Management
New York
$46.6M -$378K -4,046 -0.8%
NL
35
Nuveen LLC
North Carolina
$40.6M -$30.7M -328,568 -43%
Bank of New York Mellon
36
Bank of New York Mellon
New York
$40M +$211K +2,261 +0.5%
ACB
37
Aristotle Capital Boston
Massachusetts
$39.6M -$3.01M -32,203 -7%
UBS Group
38
UBS Group
Switzerland
$39.3M -$31.1M -332,413 -44%
ITP
39
Iron Triangle Partners
Connecticut
$36.7M +$15.2M +163,045 +71%
Wells Fargo
40
Wells Fargo
California
$36.7M +$5.26M +56,254 +17%
PCH
41
Polar Capital Holdings
United Kingdom
$35.8M +$53.8K +575 +0.2%
Manulife (Manufacturers Life Insurance)
42
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$30.5M +$5.95M +63,666 +24%
Principal Financial Group
43
Principal Financial Group
Iowa
$30.4M +$510K +5,454 +2%
VOYA Investment Management
44
VOYA Investment Management
Georgia
$29M +$6.49M +69,466 +29%
Millennium Management
45
Millennium Management
New York
$28.6M +$24.3M +259,743 +564%
UBS AM
46
UBS AM
Illinois
$28.3M +$1.5M +16,008 +6%
D.E. Shaw & Co
47
D.E. Shaw & Co
New York
$27.5M -$1.22M -13,021 -4%
EA
48
Emerald Advisers
Pennsylvania
$27.3M +$1.04M +11,113 +4%
TI
49
Tidal Investments
Wisconsin
$25.4M -$628K -6,717 -2%
Wellington Management Group
50
Wellington Management Group
Massachusetts
$24.3M -$37.2K -398 -0.2%
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