Ownership history in ROYCE & ASSOCIATES LP Β· 41 quarters on record
This page tracks every 13F SEC filing in which ROYCE & ASSOCIATES LP reported a position in WESTPORT INNOVATIONS INC (WPRT). 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 ROYCE & ASSOCIATES LP underperformed the S&P 500 by β14.7% annually on this WPRT position. Timing score: 53% (17/32 decisions correct). Average cost basis: $19.89. Maximum drawdown during holding period: β99.1%.
β Significantly underperformed the S&P 500 by 14.7% ann.
40 quarters analyzed
β‘οΈ Neutral timing β roughly coin-flip accuracy on add/trim calls.
17 of 32 add/trim decisions correct
Best entry: $1.57 (2025 Q4) Β· Worst: $144.80 (2014 Q1)
πͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.
17 adds Β· 16 trims. Bought during 10 of 23 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