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
2025 Q4	–	Sell	-7,900	Closed	-$658K	–	4664
2025 Q3	$658K	Buy	7,900 +3,100	+65%	+$270K	﹤0.01%	2557
2025 Q2	$449K	Buy	+4,800	New	+$455K	﹤0.01%	2722
2022 Q1	–	Sell	-7,300	Closed	-$455K	–	5680
2021 Q4	$455K	Sell	7,300 -13,100	-64%	-$878K	﹤0.01%	3058
2021 Q3	$1.47M	Buy	20,400 +18,400	+920%	+$1.25M	0.01%	1856
2021 Q2	$129K	Buy	+2,000	New	+$124K	﹤0.01%	4255
2021 Q1	–	Sell	-18,100	Closed	-$1M	–	5105
2020 Q4	$1M	Buy	18,100 +5,500	+44%	+$284K	﹤0.01%	1963
2020 Q3	$548K	Buy	12,600 +5,500	+77%	+$249K	﹤0.01%	2172
2020 Q2	$324K	Sell	7,100 -6,100	-46%	-$246K	﹤0.01%	2648
2020 Q1	$413K	Buy	13,200 +9,000	+214%	+$321K	﹤0.01%	2013
2019 Q4	$131K	Buy	4,200 +1,500	+56%	+$43K	﹤0.01%	3424
2019 Q3	$82K	Buy	+2,700	New	+$109K	﹤0.01%	3405
2019 Q2	–	Sell	-2,100	Closed	-$130K	–	4316
2019 Q1	$130K	Sell	2,100 -1,000	-32%	-$56.7K	﹤0.01%	3317
2018 Q4	$173K	Buy	+3,100	New	+$184K	﹤0.01%	3518

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.