Ownership history in MARSHALL WACE, LLP Β· 15 quarters on record
This page tracks every 13F SEC filing in which MARSHALL WACE, LLP reported a position in WABTEC CORP (WAB). 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 MARSHALL WACE, LLP underperformed the S&P 500 by β10.6% annually on this WAB position. Timing score: 43% (6/14 decisions correct). Average cost basis: $85.69. Maximum drawdown during holding period: β39.8%.
β Significantly underperformed the S&P 500 by 10.6% ann.
14 quarters analyzed
β οΈ Poor timing β buys often preceded drops, trims preceded rallies.
6 of 14 add/trim decisions correct
Best entry: $46.46 (2020 Q1) Β· Worst: $208.58 (2025 Q2)
πͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.
8 adds Β· 7 trims. Bought during 2 of 4 down-price quarters. π More buys than sells across the holding period.
βοΈ Portfolio weight has remained relatively stable β conviction maintained.
Currently 0.01% 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