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
2026 Q2	$375K	Buy	+7,649	New	+$376K	0.1%	252
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 $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $86.4B AUM 59.51% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Atlas FRM Greenwich, Connecticut $2.33B AUM 3.68% 1-Year Est. Return

Aigen Investment Management's GBX Position: Q2 2026 in Review

Aigen Investment Management opened a new position in The Greenbrier Companies (GBX) in Q2 2026: 7,649 shares worth $375K. The stake represents 0.1% of the portfolio and ranks #252 among its holdings. This is a return to the name: Aigen Investment Management previously reported a position in GBX as recently as Q3 2025.

Aigen Investment Management first reported a position in GBX in Q4 2019 and has held it in 8 quarters since. The position peaked at $1.25M in Q2 2020. 269 funds tracked by Wall St. Rank hold GBX as of Q2 2026.

Aigen Investment Management held 7,649 shares of The Greenbrier Companies worth $375K as of Q2 2026.
The Greenbrier Companies was a new Aigen Investment Management position in Q2 2026.
The Greenbrier Companies made up 0.1% of Aigen Investment Management's portfolio in Q2 2026, its #252 holding.
Aigen Investment Management first reported a position in The Greenbrier Companies in Q4 2019 and has held it in 8 quarters since.
Aigen Investment Management's The Greenbrier Companies position peaked at $1.25M in Q2 2020.
269 funds tracked by Wall St. Rank held The Greenbrier Companies as of Q2 2026.

Based on Aigen Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.