Mariner
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Mariner’s The Greenbrier Companies GBX Stock Holding History

Mariner’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 		$1.06M Sell
21,691
-4,997
-19% -$246K ﹤0.01% 1901
2026
Q1 		$1.41M Sell
26,688
-1,421
-5% -$75.1K ﹤0.01% 1735
2025
Q4 		$1.31M Buy
28,109
+6,661
+31% +$299K ﹤0.01% 1755
2025
Q3 		$990K Sell
21,448
-648
-3% -$30.9K ﹤0.01% 1911
2025
Q2 		$1.02M Sell
22,096
-20,211
-48% -$905K ﹤0.01% 1771
2025
Q1 		$2.17M Buy
42,307
+20,948
+98% +$1.25M ﹤0.01% 1195
2024
Q4 		$1.3M Sell
21,359
-599
-3% -$36.5K ﹤0.01% 1470
2024
Q3 		$1.12M Buy
21,958
+1,622
+8% +$77.4K ﹤0.01% 1525
2024
Q2 		$1.01M Hold
20,336
– – ﹤0.01% 1495
2024
Q1 		$1.06M Sell
20,336
-288
-1% -$13.9K ﹤0.01% 1460
2023
Q4 		$911K Buy
+20,624
New +$807K ﹤0.01% 1496

Other funds holding GBX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $86.4B AUM 59.51% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AF
Atlas FRM Greenwich, Connecticut $2.33B AUM 3.68% 1-Year Est. Return

Mariner's GBX Position: Q2 2026 in Review

Mariner reduced its The Greenbrier Companies (GBX) stake by 19% in Q2 2026, selling an estimated $246K and leaving 21,691 shares worth $1.06M. The position accounts for ﹤0.01% of the portfolio, ranked #1901.

Mariner first reported a position in GBX in Q4 2023 and has held it in 11 quarters since. The position peaked at $2.17M in Q1 2025. 269 funds tracked by Wall St. Rank hold GBX as of Q2 2026.

  • Mariner held 21,691 shares of The Greenbrier Companies worth $1.06M as of Q2 2026.
  • Mariner sold 4,997 The Greenbrier Companies shares in Q2 2026, an estimated $246K.
  • The Greenbrier Companies made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1901 holding.
  • Mariner first reported a position in The Greenbrier Companies in Q4 2023 and has held it in 11 quarters since.
  • Mariner's The Greenbrier Companies position peaked at $2.17M in Q1 2025.
  • 269 funds tracked by Wall St. Rank held The Greenbrier Companies as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.