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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 %
Barclays
76
Barclays
United Kingdom
$10.7M -$1.48M -15,831 -12%
Swiss National Bank
77
Swiss National Bank
Switzerland
$10.6M – – –
GLA
78
Great Lakes Advisors
Illinois
$10.5M -$1.32M -14,143 -11%
Jane Street
79
Jane Street
New York
$10.4M +$8.55M +91,434 +463%
TAM
80
Trillium Asset Management
Massachusetts
$9.96M -$490K -5,238 -5%
PAM
81
Panagora Asset Management
Massachusetts
$9.37M +$119K +1,274 +1%
Impax Asset Management Group
82
Impax Asset Management Group
United Kingdom
$9.35M – – –
MPIA
83
Mountain Pacific Investment Advisers
Idaho
$8.78M +$2.23M +23,897 +34%
CWM
84
Congress Wealth Management
Massachusetts
$8.44M -$154K -1,649 -2%
WSFS
85
Wilmington Savings Fund Society
Delaware
$8.22M -$415K -4,441 -5%
ACM
86
American Capital Management
New York
$8.14M +$192K +2,050 +2%
State of Wisconsin Investment Board
87
State of Wisconsin Investment Board
Wisconsin
$7.56M -$174K -1,863 -2%
Susquehanna International Group
88
Susquehanna International Group
Pennsylvania
$7.53M +$1.18M +12,605 +19%
SPS
89
Susquehanna Portfolio Strategies
Pennsylvania
$7.31M +$7.31M +78,243 New
AllianceBernstein
90
AllianceBernstein
Tennessee
$6.96M +$366K +3,919 +6%
Deutsche Bank
91
Deutsche Bank
Germany
$6.89M -$516K -5,517 -7%
New York State Teachers Retirement System (NYSTRS)
92
New York State Teachers Retirement System (NYSTRS)
New York
$6.81M – – –
FMI
93
F/M Investments
District of Columbia
$6.77M +$43.2K +462 +0.6%
Walleye Capital
94
Walleye Capital
New York
$6.7M +$530K +5,670 +9%
CLGM
95
Capitolis Liquid Global Markets
New York
$6.54M +$6.54M +70,000 New
Natixis Advisors
96
Natixis Advisors
Massachusetts
$6.33M -$662K -7,079 -9%
Prudential Financial
97
Prudential Financial
New Jersey
$6.21M +$436K +4,300 +8%
RG
98
Renaissance Group
Kentucky
$6.19M +$1.42M +15,185 +30%
Ohio Public Employees Retirement System (OPERS)
99
Ohio Public Employees Retirement System (OPERS)
Ohio
$6.18M +$375K +4,012 +6%
Luther King Capital Management (LKCM)
100
Luther King Capital Management (LKCM)
Texas
$6.13M -$108K -1,153 -2%
2 3
4
5 6