Ownership history in Walleye Trading LLC Β· 123 quarters on record
This page tracks every 13F SEC filing in which Walleye Trading LLC reported a position in BANCO SANTANDER SA ADR (SAN). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β sourced directly from SEC EDGAR 13F filings.
π Walleye Trading LLC underperformed the S&P 500 by β0.4% annually on this SAN position. Timing score: 42% (51/122 decisions correct). Average cost basis: $3.66. Maximum drawdown during holding period: β76.2%.
β‘οΈ Roughly in line with S&P 500 (Β±1% alpha range).
122 quarters analyzed
β οΈ Poor timing β buys often preceded drops, trims preceded rallies.
51 of 122 add/trim decisions correct
Best entry: $1.57 (2020 Q3) Β· Worst: $11.73 (2025 Q4)
πͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.
61 adds Β· 62 trims. Bought during 10 of 21 down-price quarters. π More buys than sells across the holding period.
βοΈ Portfolio weight has remained relatively stable β conviction maintained.
Currently 0.0% of portfolio
β Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ 4 (annualised). Not investment advice.
As of 2025 Q4 β sorted by position size