Simplex Trading’s Innovative Solutions & Support ISSC Stock Holding History

Simplex Trading’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	$4.11K	Buy	+200	New	+$4.64K	﹤0.01%	8010
2025 Q4	–	Sell	-1,800	Closed	-$22K	–	9282
2025 Q3	$22K	Buy	1,800 +1,500	+500%	+$20.9K	﹤0.01%	7250
2025 Q2	$4K	Sell	300 -1,700	-85%	-$15.4K	﹤0.01%	7853
2025 Q1	$12K	Buy	+2,000	New	+$17.2K	﹤0.01%	6978
2023 Q3	–	Sell	-9,100	Closed	-$65K	–	9197
2023 Q2	$65K	Hold	9,100	–	–	﹤0.01%	5555
2023 Q1	$66K	Buy	9,100 +5,100	+128%	+$41.2K	﹤0.01%	5613
2022 Q4	$2K	Buy	+4,000	New	+$35.3K	﹤0.01%	8588
2022 Q3	–	Sell	-1,000	Closed	-$7K	–	10376
2022 Q2	$7K	Hold	1,000	–	–	﹤0.01%	8593
2022 Q1	$8K	Buy	+1,000	New	+$7.29K	﹤0.01%	9067

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

Simplex Trading's ISSC Position: Q1 2026 in Review

Simplex Trading opened a new position in Innovative Solutions & Support (ISSC) in Q1 2026: 31,723 shares worth $651K. The stake represents ﹤0.01% of the portfolio and ranks #2960 among its holdings. This is a return to the name: Simplex Trading previously reported a position in ISSC as recently as Q3 2025.

Simplex Trading first reported a position in ISSC in Q2 2022 and has held it in 10 quarters since. 123 funds tracked by Wall St. Rank hold ISSC as of Q1 2026.

Simplex Trading held 31,723 shares of Innovative Solutions & Support worth $651K as of Q1 2026.
Innovative Solutions & Support was a new Simplex Trading position in Q1 2026.
Innovative Solutions & Support made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #2960 holding.
Simplex Trading first reported a position in Innovative Solutions & Support in Q2 2022 and has held it in 10 quarters since.
123 funds tracked by Wall St. Rank held Innovative Solutions & Support as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.