Walleye Trading LLC GBX — GREENBRIER COS INC COM

Ownership history in Walleye Trading LLC  ·  104 quarters on record

AI Ownership Summary

Walleye Trading LLC reported GREENBRIER COS INC COM (GBX) in 104 quarterly 13F filings from 2023 Q4 through 2025 Q3. The latest visible filing shows GBX at 0.00% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this GBX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Walleye Trading LLC's position in GREENBRIER COS INC COM, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q3

GBX was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2025 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2025 Q3

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

GBX stock page Walleye Trading LLC fund profile Walleye Trading LLC full holdings
How Walleye Trading LLC held GBX — position size vs. price
% of Fund (quarterly)    GBX price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 14 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 56.9% +1.5% ❌ 2,800 -3,700 -56.9% 0.00% $129K 2025-11-14 $42.34
2025 Q3 REDUCED 76.4% +1.5% ❌ 6,500 -21,000 -76.4% 0.00% $300K 2025-11-14 $42.34
2025 Q2 ADDED — — — 27,500 +21,700 +374.1% 0.00% $1.3M 2025-08-13 $46.66
2025 Q2 REDUCED 32.8% +0.5% ❌ 5,800 -2,832 -32.8% 0.00% $267K 2025-08-13 $46.66
2025 Q1 ADDED — — — 8,632 +5,632 +187.7% 0.00% $442K 2025-05-14 $45.71
2025 Q1 REDUCED 77.1% -9.4% ✅ 3,000 -10,100 -77.1% 0.00% $154K 2025-05-14 $45.71
2025 Q1 ADDED — — — 13,100 +5,900 +81.9% 0.00% $671K 2025-05-14 $45.71
2024 Q3 ADDED — — — 7,200 +5,911 +458.6% 0.00% $366K 2024-11-14 $63.58
2024 Q1 ADDED — — — 1,289 +689 +114.8% 0.00% $67K 2024-05-15 $50.95
2024 Q1 REDUCED 93.6% -5.2% ✅ 600 -8,800 -93.6% 0.00% $31K 2024-05-15 $50.95
2024 Q1 ADDED — — — 9,400 +9,100 +3033.3% 0.00% $490K 2024-05-15 $50.95
2023 Q4 REDUCED 96.9% +16.7% ❌ 300 -9,483 -96.9% 0.00% $13K 2024-02-14 $45.68
2023 Q4 ADDED — — — 9,783 +983 +11.2% 0.00% $432K 2024-02-14 $45.68
2023 Q4 REDUCED 42.9% +16.7% ❌ 8,800 -6,600 -42.9% 0.00% $389K 2024-02-14 $45.68
90 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding GBX

As of 2026 Q1 — sorted by position size

Community Bank of Raymore 3Y 7Y 2.87% Trium Capital LLP 3Y 0.54% SummerHaven Investment Management, LLC 3Y 0.43% DEPRINCE RACE & ZOLLO INC 3Y 7Y 0.38% Values First Advisors, Inc. 3Y 0.3% Austin Asset Management Co Inc 3Y 0.24% Hodges Capital Management Inc. 3Y 7Y 0.22% Skylands Capital, LLC 3Y 7Y 0.15% AlphaQuest LLC 0.14% CULLEN INVESTMENT GROUP, LTD. 0.13%

FAQ About Walleye Trading LLC and GBX

These are the practical questions this page is built to answer before you even open the full history table.

How long has Walleye Trading LLC reported owning GBX?

Walleye Trading LLC reported GBX across 14 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported GBX position in Walleye Trading LLC's portfolio?

The largest reported portfolio weight for GBX was 0.00% in 2025 Q2.

What is the latest reported GBX position on this page?

The most recent filing on this page is 2025 Q3, when Walleye Trading LLC reported 2,800 shares, equal to 0.00% of portfolio, with an estimated market value of $129K.

What does the chart on this GBX ownership page compare?

The chart compares Walleye Trading LLC's quarterly GBX portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did Walleye Trading LLC time their GBX position?

Based on 13F filing dates vs. subsequent GBX price moves, Walleye Trading LLC correctly timed 59 out of 103 reported position changes (57%). The annualised alpha on GBX relative to SPY over the holding period was -5.0%.

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