PEAK6
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PEAK6’s The Greenbrier Companies GBX Stock Holding History

PEAK6’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
-22,700
Closed -$1.05M – 3022
2025
Q3 		$1.05M Buy
+22,700
New +$1.08M ﹤0.01% 1821
2025
Q1 		– Sell
-34,200
Closed -$2.09M – 3208
2024
Q4 		$2.09M Buy
+34,200
New +$2.08M ﹤0.01% 1391

Other funds holding GBX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $69.7B AUM 40.86% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return

PEAK6's GBX Position: Q4 2025 in Review

PEAK6 sold out of The Greenbrier Companies (GBX) in Q4 2025, closing a stake of 5,409 shares — an estimated $250K sold.

PEAK6 first reported a position in GBX in Q3 2025 and held it in 1 quarter. The position peaked at $250K in Q3 2025. 260 funds tracked by Wall St. Rank hold GBX as of Q4 2025.

  • PEAK6 reported no remaining The Greenbrier Companies position as of Q4 2025 after selling out during the quarter.
  • PEAK6 sold 5,409 The Greenbrier Companies shares in Q4 2025, an estimated $250K.
  • PEAK6 first reported a position in The Greenbrier Companies in Q3 2025 and held it in 1 quarter.
  • PEAK6's The Greenbrier Companies position peaked at $250K in Q3 2025.
  • 260 funds tracked by Wall St. Rank held The Greenbrier Companies as of Q4 2025.

Based on PEAK6's 13F filing for Q4 2025, filed 13 Feb 2026.