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Oberweis Asset Management’s Merit Medical Systems MMSI Stock Holding History

Oberweis Asset Management’s Portfolio MMSI Stock Details MMSI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$29.2M Buy
424,209
+155,449
+58% +$12.1M 0.86% 31
2025
Q4 		$23.7M Buy
268,760
+36,750
+16% +$3.13M 0.87% 34
2025
Q3 		$19.3M Buy
232,010
+19,200
+9% +$1.67M 0.74% 52
2025
Q2 		$19.9M Buy
212,810
+4,250
+2% +$403K 0.87% 33
2025
Q1 		$22M Sell
208,560
-200
-0.1% -$20.6K 1.1% 23
2024
Q4 		$20.2M Buy
208,760
+6,620
+3% +$660K 0.95% 27
2024
Q3 		$20M Buy
202,140
+8,300
+4% +$759K 1.02% 19
2024
Q2 		$16.7M Buy
193,840
+37,350
+24% +$2.94M 1.02% 20
2024
Q1 		$11.9M Buy
156,490
+49,400
+46% +$3.81M 0.86% 32
2023
Q4 		$8.13M Buy
107,090
+11,430
+12% +$798K 0.76% 29
2023
Q3 		$6.6M Buy
95,660
+17,500
+22% +$1.26M 0.7% 34
2023
Q2 		$6.54M Buy
78,160
+34,360
+78% +$2.79M 0.79% 28
2023
Q1 		$3.24M Buy
43,800
+8,200
+23% +$575K 0.5% 53
2022
Q4 		$2.51M Buy
35,600
+19,500
+121% +$1.3M 0.53% 45
2022
Q3 		$910K Buy
16,100
+7,600
+89% +$438K 0.21% 114
2022
Q2 		$461K Buy
8,500
+1,700
+25% +$104K 0.12% 121
2022
Q1 		$452K Buy
6,800
+2,600
+62% +$156K 0.09% 119
2021
Q4 		$262K Buy
+4,200
New +$281K 0.05% 141
2021
Q3 		– Sell
-3,500
Closed -$226K – 172
2021
Q2 		$226K Hold
3,500
– – 0.05% 146
2021
Q1 		$210K Buy
+3,500
New +$201K 0.04% 156
2020
Q4 		– Sell
-5,400
Closed -$235K – 147
2020
Q3 		$235K Buy
5,400
+900
+20% +$40.7K 0.08% 109
2020
Q2 		$205K Buy
+4,500
New +$182K 0.08% 118
2014
Q3 		– Sell
-62,200
Closed -$939K – 135
2014
Q2 		$939K Sell
62,200
-12,400
-17% -$172K 0.23% 81
2014
Q1 		$1.07M Buy
+74,600
New +$1.11M 0.22% 88

Other funds holding MMSI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
CCA
Conestoga Capital Advisors Wayne, Pennsylvania $5.01B AUM 6.26% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM

Oberweis Asset Management's MMSI Position: Q1 2026 in Review

Oberweis Asset Management increased its Merit Medical Systems (MMSI) stake by 58% in Q1 2026, buying an estimated $12.1M and bringing the position to 424,209 shares worth $29.2M. The position accounts for 0.86% of the portfolio, ranked #31.

Oberweis Asset Management first reported a position in MMSI in Q1 2014 and has held it in 24 quarters since. 399 funds tracked by Wall St. Rank hold MMSI as of Q1 2026.

  • Oberweis Asset Management held 424,209 shares of Merit Medical Systems worth $29.2M as of Q1 2026.
  • Oberweis Asset Management bought 155,449 Merit Medical Systems shares in Q1 2026, an estimated $12.1M.
  • Merit Medical Systems made up 0.86% of Oberweis Asset Management's portfolio in Q1 2026, its #31 holding.
  • Oberweis Asset Management first reported a position in Merit Medical Systems in Q1 2014 and has held it in 24 quarters since.
  • 399 funds tracked by Wall St. Rank held Merit Medical Systems as of Q1 2026.

Based on Oberweis Asset Management's 13F filing for Q1 2026, filed 15 May 2026.