For context, Fidelity had initially invested $19.66 million in X through the Blue Chip Fund, as per regulatory filings. This isn’t the first time Fidelity has cut the value of its holding in X. As of July’s end, Fidelity had valued its shares in X at about $5.5 million.
https://techcrunch.com/2024/01/02/fidelity-marks-down-x-to-almost-a-third-of-the-investment-price/
This 78.7% markdown implies that Fidelity is currently valuing X at about $9.4 billion overall.