Jane Street
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Jane Street’s Mayville Engineering Co MEC Stock Holding History

Jane Street’s Portfolio MEC Stock Details MEC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		$258K Buy
2025
Q2 		– Sell
2025
Q1 		$634K Buy
2024
Q4 		$287K Buy
2024
Q3 		$300K Buy
2024
Q2 		$189K Buy
2023
Q3 		– Sell
2023
Q2 		$319K Sell
2023
Q1 		$792K Buy
2021
Q1 		– Sell
2020
Q4 		$135K Buy