Jane Street’s Cass Information Systems CASS Stock Holding History

Jane Street’s Portfolio CASS Stock Details CASS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.3M	Sell	29,489 -14,541	-33%	-$640K	﹤0.01%	5940
2025 Q4	$1.83M	Buy	44,030 +12,368	+39%	+$503K	﹤0.01%	4980
2025 Q3	$1.25M	Buy	31,662 +9,921	+46%	+$423K	﹤0.01%	5853
2025 Q2	$945K	Buy	21,741 +2,126	+11%	+$88.8K	﹤0.01%	5723
2025 Q1	$848K	Buy	+19,615	New	+$833K	﹤0.01%	5880
2024 Q4	–	Sell	-17,934	Closed	-$744K	–	9464
2024 Q3	$744K	Sell	17,934 -156	-0.9%	-$6.46K	﹤0.01%	6489
2024 Q2	$725K	Buy	18,090 +13,346	+281%	+$581K	﹤0.01%	6387
2024 Q1	$229K	Buy	+4,744	New	+$215K	﹤0.01%	7991
2022 Q2	–	Sell	-11,808	Closed	-$436K	–	9718
2022 Q1	$436K	Buy	+11,808	New	+$471K	﹤0.01%	7727
2020 Q4	–	Sell	-13,509	Closed	-$544K	–	7508
2020 Q3	$544K	Sell	13,509 -3,408	-20%	-$130K	﹤0.01%	5020
2020 Q2	$660K	Sell	16,917 -16,630	-50%	-$625K	﹤0.01%	4659
2020 Q1	$1.18M	Buy	33,547 +12,934	+63%	+$625K	﹤0.01%	2602
2019 Q4	$1.19M	Buy	+20,613	New	+$1.15M	﹤0.01%	2541

Other funds holding CASS

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

Focus Partners Wealth Boston, Massachusetts $89.9B AUM 20.5% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return

Heartland Advisors Milwaukee, Wisconsin $1.96B AUM 28.26% 1-Year Est. Return

STCG

Speece Thorson Capital Group Minnetonka, Minnesota $468M AUM 19.67% 1-Year Est. Return

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

ProShare Advisors Bethesda, Maryland $67.5B AUM 28.09% 1-Year Est. Return

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

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

Jane Street's CASS Position: Q1 2026 in Review

Jane Street reduced its Cass Information Systems (CASS) stake by 33% in Q1 2026, selling an estimated $640K and leaving 29,489 shares worth $1.3M. The position accounts for ﹤0.01% of the portfolio, ranked #5940.

Jane Street first reported a position in CASS in Q4 2019 and has held it in 13 quarters since. The position peaked at $1.83M in Q4 2025. 160 funds tracked by Wall St. Rank hold CASS as of Q1 2026.

Jane Street held 29,489 shares of Cass Information Systems worth $1.3M as of Q1 2026.
Jane Street sold 14,541 Cass Information Systems shares in Q1 2026, an estimated $640K.
Cass Information Systems made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #5940 holding.
Jane Street first reported a position in Cass Information Systems in Q4 2019 and has held it in 13 quarters since.
Jane Street's Cass Information Systems position peaked at $1.83M in Q4 2025.
160 funds tracked by Wall St. Rank held Cass Information Systems as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.