Simplex Trading’s GATX Corp GATX Stock Holding History

Simplex Trading’s Portfolio GATX Stock Details GATX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$85.9K	Buy	+503	New	+$90.5K	﹤0.01%	5273
2025 Q4	–	Sell	-111	Closed	-$18.3K	–	9074
2025 Q3	$19K	Buy	+111	New	+$18K	﹤0.01%	7362
2024 Q2	–	Sell	-1,285	Closed	-$169K	–	9124
2024 Q1	$172K	Buy	1,285 +80	+7%	+$10.1K	﹤0.01%	5020
2023 Q4	$144K	Buy	+1,205	New	+$133K	﹤0.01%	5009
2020 Q1	–	Sell	-752	Closed	-$54.7K	–	7802
2019 Q4	$62K	Buy	752 +674	+864%	+$54.2K	﹤0.01%	4998
2019 Q3	$6K	Buy	+78	New	+$5.95K	﹤0.01%	6524
2018 Q4	–	Sell	-998	Closed	-$78.7K	–	7264
2018 Q3	$86K	Sell	998 -3,067	-75%	-$254K	﹤0.01%	4585
2018 Q2	$301K	Buy	+4,065	New	+$286K	﹤0.01%	3010
2018 Q1	–	Sell	-7,037	Closed	-$481K	–	6363
2017 Q4	$437K	Buy	+7,037	New	+$427K	0.02%	780
2016 Q2	–	Sell	-1,826	Closed	-$83.7K	–	6009
2016 Q1	$86K	Sell	1,826 -2,543	-58%	-$108K	0.01%	1481
2015 Q4	$185K	Buy	+4,369	New	+$197K	0.01%	927
2015 Q2	–	Sell	-211	Closed	-$12K	–	5387
2015 Q1	$12K	Buy	+211	New	+$12.3K	﹤0.01%	2778

Other funds holding GATX

State Farm Mutual Automobile Insurance Bloomington, Illinois $127B AUM 32.55% 1-Year Est. Return

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

EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

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

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

GAMCO Investors Greenwich, Connecticut $10.2B AUM 30.27% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Simplex Trading's GATX Position: Q1 2026 in Review

Simplex Trading opened a new position in GATX Corp (GATX) in Q1 2026: 503 shares worth $85.9K. The stake represents ﹤0.01% of the portfolio and ranks #5273 among its holdings. This is a return to the name: Simplex Trading previously reported a position in GATX as recently as Q3 2025.

Simplex Trading first reported a position in GATX in Q1 2015 and has held it in 12 quarters since. The position peaked at $437K in Q4 2017. 394 funds tracked by Wall St. Rank hold GATX as of Q1 2026.

Simplex Trading held 503 shares of GATX Corp worth $85.9K as of Q1 2026.
GATX Corp was a new Simplex Trading position in Q1 2026.
GATX Corp made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #5273 holding.
Simplex Trading first reported a position in GATX Corp in Q1 2015 and has held it in 12 quarters since.
Simplex Trading's GATX Corp position peaked at $437K in Q4 2017.
394 funds tracked by Wall St. Rank held GATX Corp as of Q1 2026.

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