Mar. 13 at 2:06 PM
$DDD Recent activity indicates that Citadel Advisors LLC has taken a significant interest in 3D Systems Corporation (DDD), marked by a substantial increase in call options reported in late 2025. As of March 2026, data indicates Citadel Advisors holds positions in 3D Systems, including call options (e.g., 305,400 call options reported in March 2026 filings).
Fintel
OTCBB is on ASK with 20K, who provides orders to OTCBB, none other than Citadel
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Why brokers route to off-exchange dealers
Retail brokers often route orders to wholesalers because they offer:
price improvement
payment for order flow (PFOF)
faster execution for small orders
Large firms like:
Citadel Securities handle a huge portion of U.S. retail trading this way