Mesirow Financial Investment Management’s Innovative Solutions & Support ISSC Stock Holding History

Mesirow Financial Investment Management’s Portfolio ISSC Stock Details ISSC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$559K	Sell	27,224 -62,975	-70%	-$1.46M	0.01%	344
2025 Q4	$1.71M	Buy	90,199 +30,259	+50%	+$345K	0.04%	199
2025 Q3	$749K	Hold	59,940	–	–	0.01%	303
2025 Q2	$832K	Hold	59,940	–	–	0.02%	281
2025 Q1	$377K	Sell	59,940 -59,940	-50%	-$516K	0.01%	406
2024 Q4	$1.02M	Buy	119,880 +59,940	+100%	+$449K	0.02%	259
2024 Q3	$391K	Hold	59,940	–	–	0.01%	399
2024 Q2	$360K	Hold	59,940	–	–	0.01%	379
2024 Q1	$439K	Sell	59,940 -175	-0.3%	-$1.41K	0.01%	359
2023 Q4	$513K	Buy	+60,115	New	+$457K	0.02%	303

Other funds holding ISSC

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

PAIM

Punch & Associates Investment Management Edina, Minnesota $1.73B AUM 27.65% 1-Year Est. Return

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

DCM

Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

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

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Mesirow Financial Investment Management's ISSC Position: Q1 2026 in Review

Mesirow Financial Investment Management reduced its Innovative Solutions & Support (ISSC) stake by 70% in Q1 2026, selling an estimated $1.46M and leaving 27,224 shares worth $559K. The position accounts for 0.01% of the portfolio, ranked #344.

Mesirow Financial Investment Management first reported a position in ISSC in Q4 2023 and has held it in 10 quarters since. The position peaked at $1.71M in Q4 2025. 123 funds tracked by Wall St. Rank hold ISSC as of Q1 2026.

Mesirow Financial Investment Management held 27,224 shares of Innovative Solutions & Support worth $559K as of Q1 2026.
Mesirow Financial Investment Management sold 62,975 Innovative Solutions & Support shares in Q1 2026, an estimated $1.46M.
Innovative Solutions & Support made up 0.01% of Mesirow Financial Investment Management's portfolio in Q1 2026, its #344 holding.
Mesirow Financial Investment Management first reported a position in Innovative Solutions & Support in Q4 2023 and has held it in 10 quarters since.
Mesirow Financial Investment Management's Innovative Solutions & Support position peaked at $1.71M in Q4 2025.
123 funds tracked by Wall St. Rank held Innovative Solutions & Support as of Q1 2026.

Based on Mesirow Financial Investment Management's 13F filing for Q1 2026, filed 21 Apr 2026.