Aigen Investment Management’s The Greenbrier Companies GBX Stock Holding History

Aigen Investment Management’s Portfolio GBX Stock Details GBX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-6,468	Closed	-$299K	–	742
2025 Q3	$299K	Buy	+6,468	New	+$308K	0.05%	538
2025 Q2	–	Sell	-12,012	Closed	-$615K	–	888
2025 Q1	$615K	Buy	+12,012	New	+$718K	0.1%	301
2023 Q3	–	Sell	-10,176	Closed	-$439K	–	921
2023 Q2	$439K	Buy	+10,176	New	+$301K	0.06%	385
2022 Q4	–	Sell	-16,680	Closed	-$405K	–	625
2022 Q3	$405K	Buy	+16,680	New	+$503K	0.06%	342
2020 Q3	–	Sell	-54,804	Closed	-$1.25M	–	943
2020 Q2	$1.25M	Buy	54,804 +8,024	+17%	+$156K	0.16%	194
2020 Q1	$830K	Buy	46,780 +25,638	+121%	+$608K	0.11%	266
2019 Q4	$686K	Buy	+21,142	New	+$633K	0.11%	259

Other funds holding GBX

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $69.7B AUM 40.86% 1-Year Est. Return

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

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

LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

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

Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return

Aigen Investment Management's GBX Position: Q4 2025 in Review

Aigen Investment Management sold out of The Greenbrier Companies (GBX) in Q4 2025, closing a stake of 6,468 shares — an estimated $299K sold.

Aigen Investment Management first reported a position in GBX in Q4 2019 and held it in 7 quarters. The position peaked at $1.25M in Q2 2020. 260 funds tracked by Wall St. Rank hold GBX as of Q4 2025.

Aigen Investment Management reported no remaining The Greenbrier Companies position as of Q4 2025 after selling out during the quarter.
Aigen Investment Management sold 6,468 The Greenbrier Companies shares in Q4 2025, an estimated $299K.
Aigen Investment Management first reported a position in The Greenbrier Companies in Q4 2019 and held it in 7 quarters.
Aigen Investment Management's The Greenbrier Companies position peaked at $1.25M in Q2 2020.
260 funds tracked by Wall St. Rank held The Greenbrier Companies as of Q4 2025.

Based on Aigen Investment Management's 13F filing for Q4 2025, filed 13 Feb 2026.