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Merit Medical Systems
MMSI

Overview Fund Activity

374 hedge funds and large institutions have $6.61B invested in Merit Medical Systems in 2025 Q1 according to their latest regulatory filings, with 51 funds opening new positions, 141 increasing their positions, 134 reducing their positions, and 50 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
374
Holders Change
-8
Holders Change %
-2.09%
% of All Funds
5.08%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
51
Increased
141
Reduced
134
Closed
50
Calls
$92.8M
Puts
$2.1M
Net Calls
+$90.7M
Net Calls Change
-$3.21M

Top Buyers

1
MC
Maverick Capital
Texas
$135M
2
Fidelity Investments
Fidelity Investments
Massachusetts
$272M
3
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$94.3M
4
Ameriprise
Ameriprise
Minnesota
$69.8M
5
Two Sigma Investments
Two Sigma Investments
New York
$57.8M

Top Sellers

1
CCM
Channing Capital Management
Illinois
$0
2
ACH
ArrowMark Colorado Holdings
Colorado
$105M
3
ACB
Aristotle Capital Boston
Massachusetts
$48.2M
4
ITP
Iron Triangle Partners
Connecticut
$24.3M
5
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Norges Bank
376
Norges Bank
Norway
– -$66.6M -688,983 Closed
CCM
377
Channing Capital Management
Illinois
– -$65.9M -681,794 Closed
Assenagon Asset Management
378
Assenagon Asset Management
Luxembourg
– -$16.1M -166,927 Closed
Tudor Investment Corp
379
Tudor Investment Corp
Connecticut
– -$14.2M -146,667 Closed
ACM
380
Altium Capital Management
New York
– -$9.67M -100,000 Closed
Marshall Wace
381
Marshall Wace
United Kingdom
– -$7.19M -74,291 Closed
JFG
382
Jefferies Financial Group
New York
– -$4.88M -50,422 Closed
CCIA
383
Campbell & Co Investment Adviser
Maryland
– -$2.4M -24,821 Closed
M&T Bank
384
M&T Bank
New York
– -$2.01M -20,736 Closed
JCIA
385
Jackson Creek Investment Advisors
Colorado
– -$1.55M -15,972 Closed
IQI
386
Integrated Quantitative Investments
Washington
– -$1.32M -13,616 Closed
VIA
387
Virtus Investment Advisers
Connecticut
– -$1.08M -11,192 Closed
FRM
388
Fox Run Management
Connecticut
– -$877K -9,070 Closed
MF
389
Magnetar Financial
Illinois
– -$780K -8,062 Closed
QT
390
Quantbot Technologies
New York
– -$751K -7,765 Closed
VanEck Associates
391
VanEck Associates
New York
– -$696K -7,198 Closed
Los Angeles Capital Management
392
Los Angeles Capital Management
California
– -$567K -5,866 Closed
GCP
393
GSA Capital Partners
United Kingdom
– -$554K -5,724 Closed
HF
394
HRT Financial
New York
– -$524K -5,421 Closed
Arrowstreet Capital
395
Arrowstreet Capital
Massachusetts
– -$484K -5,001 Closed
CM
396
Caption Management
Oklahoma
– -$484K -5,000 Closed
CM
397
Crestline Management
Texas
– -$454K -4,691 Closed
IFU
398
iSAM Funds (UK)
United Kingdom
– -$424K -4,379 Closed
EGM
399
Engineers Gate Manager
New York
– -$391K -4,042 Closed
XT
400
XTX Topco
Cayman Islands
– -$368K -3,800 Closed
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