Marshall Wace
MMSI icon

Marshall Wace’s Merit Medical Systems MMSI Stock Holding History

Marshall Wace’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
Q2 		$24.2M Sell
349,216
-225,220
-39% -$14.9M 0.02% 639
2026
Q1 		$39.6M Buy
574,436
+427,925
+292% +$33.4M 0.04% 443
2025
Q4 		$12.9M Buy
146,511
+114,341
+355% +$9.73M 0.01% 783
2025
Q3 		$2.68M Buy
+32,170
New +$2.8M ﹤0.01% 1477
2025
Q1 		– Sell
-74,291
Closed -$7.19M – 2911
2024
Q4 		$7.19M Buy
74,291
+59,829
+414% +$5.96M 0.01% 918
2024
Q3 		$1.43M Sell
14,462
-103,445
-88% -$9.47M ﹤0.01% 1503
2024
Q2 		$10.1M Buy
117,907
+74,605
+172% +$5.87M 0.01% 725
2024
Q1 		$3.28M Buy
+43,302
New +$3.34M 0.01% 1164
2023
Q4 		– Sell
-136,011
Closed -$9.39M – 2450
2023
Q3 		$9.39M Buy
+136,011
New +$9.79M 0.02% 667
2022
Q4 		– Sell
-9,969
Closed -$564K – 3229
2022
Q3 		$564K Sell
9,969
-6,875
-41% -$396K ﹤0.01% 2667
2022
Q2 		$913K Sell
16,844
-15,986
-49% -$975K ﹤0.01% 2492
2022
Q1 		$2.18M Buy
32,830
+17,696
+117% +$1.06M ﹤0.01% 2000
2021
Q4 		$942K Sell
15,134
-13,217
-47% -$886K ﹤0.01% 2501
2021
Q3 		$2.04M Buy
+28,351
New +$1.92M 0.01% 1531
2021
Q2 		– Sell
-14,637
Closed -$877K – 2905
2021
Q1 		$877K Buy
+14,637
New +$839K ﹤0.01% 1732
2020
Q3 		– Sell
-43,595
Closed -$1.99M – 1799
2020
Q2 		$1.99M Buy
+43,595
New +$1.76M 0.01% 794
2019
Q4 		– Sell
-199,606
Closed -$6.08M – 1934
2019
Q3 		$6.08M Buy
199,606
+78,810
+65% +$3.19M 0.05% 444
2019
Q2 		$7.2M Sell
120,796
-33,704
-22% -$1.93M 0.06% 376
2019
Q1 		$9.55M Sell
154,500
-63,781
-29% -$3.62M 0.09% 272
2018
Q4 		$12.2M Buy
+218,281
New +$13M 0.12% 193
2016
Q3 		– Sell
-28,574
Closed -$567K – 1058
2016
Q2 		$567K Buy
28,574
+3,004
+12% +$57.8K ﹤0.01% 802
2016
Q1 		$473K Buy
+25,570
New +$443K ﹤0.01% 860

Other funds holding MMSI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
CCA
Conestoga Capital Advisors Wayne, Pennsylvania $4.6B AUM 16.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM
CAM
Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return

Marshall Wace's MMSI Position: Q2 2026 in Review

Marshall Wace reduced its Merit Medical Systems (MMSI) stake by 39% in Q2 2026, selling an estimated $14.9M and leaving 349,216 shares worth $24.2M. The position accounts for 0.02% of the portfolio, ranked #639.

Marshall Wace first reported a position in MMSI in Q1 2016 and has held it in 22 quarters since. The position peaked at $39.6M in Q1 2026. 404 funds tracked by Wall St. Rank hold MMSI as of Q2 2026.

  • Marshall Wace held 349,216 shares of Merit Medical Systems worth $24.2M as of Q2 2026.
  • Marshall Wace sold 225,220 Merit Medical Systems shares in Q2 2026, an estimated $14.9M.
  • Merit Medical Systems made up 0.02% of Marshall Wace's portfolio in Q2 2026, its #639 holding.
  • Marshall Wace first reported a position in Merit Medical Systems in Q1 2016 and has held it in 22 quarters since.
  • Marshall Wace's Merit Medical Systems position peaked at $39.6M in Q1 2026.
  • 404 funds tracked by Wall St. Rank held Merit Medical Systems as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.