Walleye Trading’s Merit Medical Systems MMSI Stock Holding History

Walleye Trading’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
2021 Q4	–	Sell	-13,400	Closed	-$962K	–	5663
2021 Q3	$962K	Buy	13,400 +7,600	+131%	+$516K	﹤0.01%	2249
2021 Q2	$375K	Buy	+5,800	New	+$359K	﹤0.01%	3270
2021 Q1	–	Sell	-8,100	Closed	-$450K	–	5106
2020 Q4	$450K	Buy	8,100 +5,500	+212%	+$284K	﹤0.01%	2749
2020 Q3	$113K	Buy	2,600 +800	+44%	+$36.2K	﹤0.01%	3343
2020 Q2	$82K	Buy	1,800 +1,300	+260%	+$52.5K	﹤0.01%	3615
2020 Q1	$16K	Sell	500 -5,700	-92%	-$203K	﹤0.01%	3659
2019 Q4	$194K	Sell	6,200 -145,900	-96%	-$4.18M	﹤0.01%	3189
2019 Q3	$4.63M	Buy	+152,100	New	+$6.15M	0.04%	503
2019 Q2	–	Sell	-1,200	Closed	-$74K	–	4318
2019 Q1	$74K	Sell	1,200 -4,400	-79%	-$250K	﹤0.01%	3590
2018 Q4	$313K	Buy	+5,600	New	+$333K	﹤0.01%	2939

Other funds holding MMSI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

CCA

Conestoga Capital Advisors Wayne, Pennsylvania $4.6B AUM 16.08% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

NAMI

Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM

Walleye Trading's MMSI Position: Q3 2025 in Review

Walleye Trading sold out of Merit Medical Systems (MMSI) in Q3 2025, closing a stake of 2,378 shares — an estimated $207K sold.

Walleye Trading first reported a position in MMSI in Q2 2015 and held it in 11 quarters. The position peaked at $445K in Q4 2024. 378 funds tracked by Wall St. Rank hold MMSI as of Q3 2025.

Walleye Trading reported no remaining Merit Medical Systems position as of Q3 2025 after selling out during the quarter.
Walleye Trading sold 2,378 Merit Medical Systems shares in Q3 2025, an estimated $207K.
Walleye Trading first reported a position in Merit Medical Systems in Q2 2015 and held it in 11 quarters.
Walleye Trading's Merit Medical Systems position peaked at $445K in Q4 2024.
378 funds tracked by Wall St. Rank held Merit Medical Systems as of Q3 2025.

Based on Walleye Trading's 13F filing for Q3 2025, filed 14 Nov 2025.