$ADCT

$1.51 +$0.07 (4.86%) Close

$ADCT Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 127.7M shares outstanding

Who owns ADCT?

By type of holder

Institutions 63.1% Insiders 31.3% Everyone else 5.6%

Concentration Top 10 holders own 56.6%

Redmile Group, LLC 9.0% · Nantahala Capital Management, LLC 9.7%

Institutional ownership

63.1%

-2.4 pts vs last qtr

Institutional holders

111

-7 vs last qtr

Net shares bought

−3.0M

by institutions in Q2 2026

New / sold out

26 / 33

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Nantahala Capital Management, LLC +6.7M
Citadel Advisors LLC +1.7M

Biggest sellers in Q2 2026

Eventide Asset Management, LLC SOLD OUT −5.7M
Redmile Group, LLC −3.9M

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Adc Therapeutics Ltd in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2022–FY2025

+62.6%

+17.59% a year

Each share's claim on the business

−38.5%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $76.3M

over 4 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years20% 3–5 years17% 1–3 years44% Under 1 year20%

Quarterly turnover

17.6%

of institutional shares changed hands

Top 10 managers, median time held

3.8 years

Super Investors

Investment managers reporting ADCT on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
RG Redmile Group, LLC	11.5M	9.03%	−3.9M (−25.5%)	≤2021	0.8%
Shares held by quarter Peak holding15.7M (Q3'24) Change over 8 quarters−4.1M Share of the company9.030% Redmile Group, LLC's full portfolio →
NC Nantahala Capital Management, LLC	12.3M	9.65%	+6.7M (+120.2%)	2025	0.4%
Shares held by quarter Peak holding12.3M (Q2'26) Change over 8 quarters+12.3M Share of the company9.650% Nantahala Capital Management, LLC's full portfolio →

Redmile Group, LLC

11.5M

% of company

9.03%

Change vs last qtr

−3.9M (−25.5%)

Held since

≤2021

Nantahala Capital Management, LLC

12.3M

% of company

9.65%

Change vs last qtr

+6.7M (+120.2%)

Held since

2025

28 more super investors behind a free account

See every manager holding Adc Therapeutics Ltd, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ADCT on Form N-PORT; together they hold 5.7% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
EH Eventide Healthcare & Life Sciences Fund Mutual Fund Series Trust	$21.4M	5.7M	4.47%	1.35%	March 31, 2026
VR Vanguard Russell 2000 Index Fund Vanguard Scottsdale Funds	$1.78M	523.9K	0.41%	0.01%	May 31, 2026

Eventide Healthcare & Life Sciences Fund

Mutual Fund Series Trust

Position value

$21.4M

% of company

4.47%

% of the fund

1.35%

As of

March 31, 2026

Vanguard Russell 2000 Index Fund

Vanguard Scottsdale Funds

Position value

$1.78M

% of company

0.41%

% of the fund

0.01%

As of

May 31, 2026

22 more funds behind a free account

See every fund holding Adc Therapeutics Ltd and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
WH Wild Hans Peter Insider	9.8M	7.67%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company7.670% Wild Hans Peter's insider activity →
MA Mallik Ameet Insider	2.8M	2.19%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company2.190% Mallik Ameet's insider activity →

Wild Hans Peter

Insider

9.8M

% of company

7.67%

Change vs last qtr

—

Held since

—

Mallik Ameet

Insider

2.8M

% of company

2.19%

Change vs last qtr

—

Held since

—

12 more holders behind a free account

See every insider and 5%+ holder of Adc Therapeutics Ltd.

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