William Blair & Company
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William Blair & Company’s ProShares UltraShort S&P500 SDS Stock Holding History

William Blair & Company’s Portfolio SDS Stock Details SDS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		$41.6K Hold
2025
Q1 		$53.6K Hold
2024
Q4 		$49.2K Buy
2021
Q2 		– Sell
2021
Q1 		$1K Hold
2020
Q4 		$1K Buy
2020
Q1 		– Sell
2019
Q4 		$5K Buy
2019
Q2 		– Sell
2019
Q1 		$2K Hold
2018
Q4 		$3K Buy