Simplex Trading’s Exponent EXPO Stock Holding History

Simplex Trading’s Portfolio EXPO Stock Details EXPO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$32.6K	Hold	500	–	–	﹤0.01%	6301
2025 Q4	$34.7K	Buy	500 +400	+400%	+$28.1K	﹤0.01%	5985
2025 Q3	$6K	Hold	100	–	–	﹤0.01%	8181
2025 Q2	$7K	Sell	100 -900	-90%	-$69.7K	﹤0.01%	7544
2025 Q1	$81K	Buy	+1,000	New	+$87.1K	﹤0.01%	5279
2023 Q4	–	Sell	-600	Closed	-$51K	–	9065
2023 Q3	$51K	Buy	+600	New	+$54.3K	﹤0.01%	5784
2020 Q2	–	Sell	-15	Closed	-$107K	–	7798
2020 Q1	$107K	Buy	15 +2	+15%	+$145	﹤0.01%	4299
2019 Q4	$89K	Buy	+13	New	+$858	﹤0.01%	4631
2019 Q3	–	Sell	-180	Closed	-$1.05M	–	7409
2019 Q2	$1.05M	Sell	180 -1	-0.6%	-$57	﹤0.01%	1852
2019 Q1	$1.04M	Buy	+181	New	+$9.78K	﹤0.01%	1965
2018 Q4	–	Sell	-3	Closed	-$16K	–	7218
2018 Q3	$16K	Buy	+3	New	+$154	﹤0.01%	6122

Other funds holding EXPO

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

Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

CCA

Conestoga Capital Advisors Wayne, Pennsylvania $5.01B AUM 6.26% 1-Year Est. Return

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

GCM

Geneva Capital Management Milwaukee, Wisconsin $4.71B AUM 6.32% 1-Year Est. Return

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

Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return

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

Simplex Trading's EXPO Position: Q4 2025 in Review

Simplex Trading sold out of Exponent (EXPO) in Q4 2025, closing a stake of 124 shares — an estimated $8.71K sold.

Simplex Trading first reported a position in EXPO in Q1 2015 and held it in 15 quarters. The position peaked at $493K in Q3 2019. 356 funds tracked by Wall St. Rank hold EXPO as of Q4 2025.

Simplex Trading reported no remaining Exponent position as of Q4 2025 after selling out during the quarter.
Simplex Trading sold 124 Exponent shares in Q4 2025, an estimated $8.71K.
Simplex Trading first reported a position in Exponent in Q1 2015 and held it in 15 quarters.
Simplex Trading's Exponent position peaked at $493K in Q3 2019.
356 funds tracked by Wall St. Rank held Exponent as of Q4 2025.

Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.