Jim Simons’s Merit Medical Systems MMSI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$21.7M Buy
314,212
+188,000
+149% +$14.7M 0.03% 616
2025
Q4
$11.1M Buy
126,212
+51,300
+68% +$4.37M 0.02% 864
2025
Q3
$6.23M Sell
74,912
-96,000
-56% -$8.36M 0.01% 1361
2025
Q2
$16M Buy
170,912
+4,300
+3% +$407K 0.02% 812
2025
Q1
$17.6M Buy
166,612
+57,900
+53% +$5.97M 0.03% 713
2024
Q4
$10.5M Buy
108,712
+15,400
+17% +$1.53M 0.02% 981
2024
Q3
$9.22M Sell
93,312
-2,100
-2% -$192K 0.01% 1080
2024
Q2
$8.2M Sell
95,412
-18,200
-16% -$1.43M 0.01% 1038
2024
Q1
$8.61M Buy
+113,612
New +$8.77M 0.01% 1077
2023
Q4
Sell
-30,912
Closed -$2.13M 3978
2023
Q3
$2.13M Sell
30,912
-24,800
-45% -$1.78M ﹤0.01% 1823
2023
Q2
$4.66M Sell
55,712
-7,800
-12% -$634K 0.01% 1460
2023
Q1
$4.7M Buy
+63,512
New +$4.46M 0.01% 1509
2022
Q3
Sell
-25,409
Closed -$1.38M 4280
2022
Q2
$1.38M Buy
+25,409
New +$1.55M ﹤0.01% 2481
2021
Q4
Sell
-49,012
Closed -$3.52M 4109
2021
Q3
$3.52M Buy
49,012
+26,200
+115% +$1.78M ﹤0.01% 1678
2021
Q2
$1.48M Buy
+22,812
New +$1.41M ﹤0.01% 2447
2019
Q2
Sell
-9,212
Closed -$570K 3679
2019
Q1
$570K Buy
+9,212
New +$523K ﹤0.01% 2886
2018
Q2
Sell
-30,012
Closed -$1.36M 3428
2018
Q1
$1.36M Buy
+30,012
New +$1.36M ﹤0.01% 2514
2017
Q4
Sell
-137,612
Closed -$5.83M 3442
2017
Q3
$5.83M Sell
137,612
-296,800
-68% -$12M 0.01% 1668
2017
Q2
$16.6M Buy
434,412
+4,060
+0.9% +$136K 0.02% 965
2017
Q1
$12.4M Buy
430,352
+128,952
+43% +$3.61M 0.02% 1097
2016
Q4
$7.99M Buy
301,400
+24,500
+9% +$592K 0.01% 1382
2016
Q3
$6.73M Sell
276,900
-85,300
-24% -$1.97M 0.01% 1417
2016
Q2
$7.18M Sell
362,200
-124,700
-26% -$2.4M 0.01% 1364
2016
Q1
$9M Sell
486,900
-41,000
-8% -$711K 0.02% 1218
2015
Q4
$9.81M Sell
527,900
-28,212
-5% -$568K 0.02% 1010
2015
Q3
$13.3M Buy
556,112
+129,373
+30% +$3.04M 0.03% 739
2015
Q2
$9.19M Buy
426,739
+158,214
+59% +$3.21M 0.02% 1023
2015
Q1
$5.17M Buy
268,525
+190,714
+245% +$3.4M 0.01% 1341
2014
Q4
$1.35M Buy
+77,811
New +$1.15M ﹤0.01% 1984
2014
Q3
Sell
-179,944
Closed -$2.72M 2894
2014
Q2
$2.72M Sell
179,944
-57,003
-24% -$789K 0.01% 1567
2014
Q1
$3.39M Buy
236,947
+52,835
+29% +$785K 0.01% 1473
2013
Q4
$2.9M Buy
184,112
+66,100
+56% +$1M 0.01% 1534
2013
Q3
$1.43M Buy
118,012
+42,300
+56% +$545K ﹤0.01% 1830
2013
Q2
$844K Buy
+75,712
New +$812K ﹤0.01% 2008

Other funds holding MMSI

Jim Simons's MMSI Position: Q1 2026 in Review

Jim Simons increased its Merit Medical Systems (MMSI) stake by 149% in Q1 2026, buying an estimated $14.7M and bringing the position to 314,212 shares worth $21.7M. The position accounts for 0.03% of the portfolio, ranked #616.

Jim Simons first reported a position in MMSI in Q2 2013 and has held it in 34 quarters since. 400 funds tracked by Wall St. Rank hold MMSI as of Q1 2026.

  • Jim Simons held 314,212 shares of Merit Medical Systems worth $21.7M as of Q1 2026.
  • Jim Simons bought 188,000 Merit Medical Systems shares in Q1 2026, an estimated $14.7M.
  • Merit Medical Systems made up 0.03% of Jim Simons's portfolio in Q1 2026, its #616 holding.
  • Jim Simons first reported a position in Merit Medical Systems in Q2 2013 and has held it in 34 quarters since.
  • 400 funds tracked by Wall St. Rank held Merit Medical Systems as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.