Marshall Wace’s Main Street Capital MAIN Stock Holding History

Marshall Wace’s Portfolio MAIN Stock Details MAIN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$10.9M	Buy	+205,441	New	+$12.2M	0.01%	934
2025 Q3	–	Sell	-146,645	Closed	-$8.67M	–	3186
2025 Q2	$8.67M	Sell	146,645 -10,323	-7%	-$571K	0.01%	903
2025 Q1	$8.88M	Buy	+156,968	New	+$9.33M	0.01%	814
2024 Q2	–	Sell	-44,606	Closed	-$2.11M	–	2778
2024 Q1	$2.11M	Buy	+44,606	New	+$2.02M	﹤0.01%	1341
2023 Q3	–	Sell	-56,926	Closed	-$2.28M	–	2486
2023 Q2	$2.28M	Buy	+56,926	New	+$2.26M	﹤0.01%	1337
2023 Q1	–	Sell	-19,142	Closed	-$707K	–	2930
2022 Q4	$707K	Buy	+19,142	New	+$700K	﹤0.01%	2227
2019 Q1	–	Sell	-14,103	Closed	-$477K	–	1920
2018 Q4	$477K	Buy	+14,103	New	+$525K	﹤0.01%	1111
2014 Q3	–	Sell	-11,500	Closed	-$379K	–	966
2014 Q2	$379K	Buy	+11,500	New	+$362K	0.01%	659

Other funds holding MAIN

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Qube Research & Technologies (QRT) London, United Kingdom $89.9B AUM 20.22% 1-Year Est. Return

Muzinich & Co New York $286M AUM 21.05% 1-Year Est. Return

AHC

Adell Harriman & Carpenter Houston, Texas $1.64B AUM 36.77% 1-Year Est. Return

Marshall Wace's MAIN Position: Q1 2026 in Review

Marshall Wace opened a new position in Main Street Capital (MAIN) in Q1 2026: 205,441 shares worth $10.9M. The stake represents 0.01% of the portfolio and ranks #934 among its holdings. This is a return to the name: Marshall Wace previously reported a position in MAIN as recently as Q2 2025.

Marshall Wace first reported a position in MAIN in Q2 2014 and has held it in 8 quarters since. 421 funds tracked by Wall St. Rank hold MAIN as of Q1 2026.

Marshall Wace held 205,441 shares of Main Street Capital worth $10.9M as of Q1 2026.
Main Street Capital was a new Marshall Wace position in Q1 2026.
Main Street Capital made up 0.01% of Marshall Wace's portfolio in Q1 2026, its #934 holding.
Marshall Wace first reported a position in Main Street Capital in Q2 2014 and has held it in 8 quarters since.
421 funds tracked by Wall St. Rank held Main Street Capital as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.