ADCT: ADC Therapeutics SA insider trading, 5% holders and institutional ownership

From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.

Insider trading

0 open-market buys totaling - and 0 sales totaling - in the last 180 days.

Activist and 5% holders

FiledWhatHolderStakeChangeFiling
2026-08-14New 13G stakeNantahala Capital Management, LLC9.69%SEC
2026-07-27New 13G stakeBlackRock, Inc.5.40%SEC

Institutional ownership (Q2 2026)

113 institutions reported holding $99.35M of ADC Therapeutics SA on Form 13F (118 the quarter before). 26 opened a new position and 30 sold out. Shares held by institutions: +11%.

Largest holdersSharesValue
Nantahala Capital Management, LLC24,652,368$26.38M
Redmile Group, LLC11,526,710$12.33M
TCG Crossover Management, LLC11,390,175$12.19M
Prosight Management, LP7,824,749$8.37M
BlackRock, Inc.7,020,093$7.51M
Point72 Asset Management, L.P.3,649,144$3.90M
MORGAN STANLEY3,051,173$3.26M
MILLENNIUM MANAGEMENT LLC2,899,535$3.10M
CITADEL ADVISORS LLC2,053,316$2.20M
GOLDMAN SACHS GROUP INC1,914,424$2.05M

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