ADC Therapeutics SA - Common Shares, par value CHF 0.08 per share (ADCT)

Q: What does CUSIP H0036K147 represent in this 13F holders report?

CUSIP H0036K147 is the security identifier for ADCT - ADC Therapeutics SA - Common Shares, par value CHF 0.08 per share used to aggregate holder disclosures.

Q: How many institutions held ADCT - ADC Therapeutics SA - Common Shares, par value CHF 0.08 per share in Q2 2021?

53 institutional investors reported ADCT - ADC Therapeutics SA - Common Shares, par value CHF 0.08 per share for Q2 2021. Use the holders table for investor-level position and value details.

CUSIP: H0036K147

Q2 2021 13F Holders as of 30 Jun 2021

Security type / class: Equity / Common Shares, par value CHF 0.08 per share
Total 13F shares: 33,533,099
Total 13F value: $816,251,800
Share change: +707,041
Put/Call ratio: 20%
SEC-reported price per share: $24.35
Number of holders: 53
Value change: +$17,173,667
Number of buys: 28
Number of sells: 20
Shares outstanding: 148,404,655

Security key

H0036K147

Report period

Q2 2021

Institutions

Top holders

ADCT full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 ADC Therapeutics SA SEC filings ADC Therapeutics SA company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP H0036K147

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of ADCT - ADC Therapeutics SA - Common Shares, par value CHF 0.08 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

FMR LLC

Disclosed value leader

FMR LLC

Comparable rows

0/15

Latest evidence

31 Mar 2021

13F Highest disclosed value: $189,460,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

FMR LLC has the largest disclosed position value at $189.46M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens FMR LLC's linked filing trail.

Disclosed position value Top 5

FMR LLC $189.46M

Redmile Group, LLC $178.4M

JPMORGAN CHASE & CO $76.7M

PRICE T ROWE ASSOCIATES INC /MD/ $67.02M

ALLIANCEBERNSTEIN L.P. $64.21M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
FMR LLC	13F Company 13F	— denominator unverified	$189,460,000 7,761,585 shares	—	31 Mar 2021
Redmile Group, LLC	13F Company 13F	— denominator unverified	$178,398,000 7,308,418 shares	—	31 Mar 2021
JPMORGAN CHASE & CO	13F Company 13F	— denominator unverified	$76,702,000 3,142,253 shares	—	31 Mar 2021
PRICE T ROWE ASSOCIATES INC /MD/	13F Company 13F	— denominator unverified	$67,025,000 2,745,794 shares	—	31 Mar 2021
ALLIANCEBERNSTEIN L.P.	13F Company 13F	— denominator unverified	$64,210,000 2,630,491 shares	—	31 Mar 2021
Vantage Consulting Group Inc	13F Company 13F	— denominator unverified	$41,012,000 1,680,149 shares	—	31 Mar 2021

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2021

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

33,533,099

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2021 vs Q1 2021 Across Filers

Q1 2021 holders

Q2 2021 holders

Holder diff

-2

Investor	Q1 2021 Shares	Q2 2021 Shares	Share Diff	Share Chg %	Q1 2021 value	Q2 2021 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend