ADC Therapeutics ADCT Institutional Ownership

NYSE ADCT

$1.50 -0.02 (-1.64%)

As of: Oct 21, 2026 · 3:59 PM EDT

As of the 13F quarter ended Jun 30, 2026, 115 institutions held 52.09% of ADC Therapeutics (ADCT) shares outstanding. Versus the prior quarter, institutional ownership was up 3.30 percentage points, the holder count fell by 2 and shares held were up 7.36%. The largest holder is Nantahala Capital Management, LLC with 12.33Mn shares (7.95% of outstanding).

Updated Oct 11, 2026 ADC Therapeutics (ADCT) stock price and overview

Institutions by Trading Activity

115 Institutions

Increased 71 61.7%

Unchanged 15 13.0%

Reduced 29 25.2%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

52.09%

▲+3.30 pp QoQ

Shares Held by Institutions

80.75Mn

of 155.02Mn outstanding

▲+7.36% QoQ

Shares Outstanding

155.02Mn

74.26Mn held outside 13F filers

Institutional Investors

115

filed 13F for Jun 2026

▼-2 vs prior quarter

Net Shares Added (QoQ)

+5.54Mn

accumulated since last quarter

Value of Holdings

$123.55Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

ADC Therapeutics SA (NYSE:ADCT) had 115 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

Collectively, these holders controlled 52.09% of ADC Therapeutics' outstanding shares in Q2 2026, up from 48.80% in Q1 2026.
Total shares held in ADC Therapeutics rose 7.36% versus Q1 2026, while the number of holders rose 38.55% versus Q2 2025.
Of these 115 holders, 71 added to their positions, 29 reduced their stakes and 15 left their positions unchanged.
Institutional investors held 80.75Mn shares of ADC Therapeutics in total at the end of Q2 2026, up 5.54Mn from the prior quarter and up 15.88Mn from a year earlier.
As of June 30, 2026, Nantahala Capital Management, LLC held the largest stake in ADC Therapeutics with 12.33Mn shares, or 7.95% of shares outstanding.
Among existing holders, the largest additions to ADC Therapeutics in Q2 2026 came from Nantahala Capital Management, LLC (+6.73Mn shares), Citadel Advisors LLC (+1.65Mn shares), BlackRock, Inc. (+769.35K shares), D. E. Shaw & Co., Inc. (+476.14K shares) and AQR Capital Management LLC (+420.49K shares).
Holders that trimmed the most shares of ADC Therapeutics in Q2 2026 while keeping a position were Redmile Group, LLC (-3.94Mn shares), Morgan Stanley (-761.41K shares), Platinum Investment Management LTD (-409.17K shares), JPMorgan Chase & Co (-336.54K shares) and Millennium Management LLC (-219.62K shares).
Per Business Quant, the top 10 investors in ADCT for the quarter ended June 30, 2026 were Nantahala Capital Management, LLC (12.33Mn shares), Redmile Group, LLC (11.53Mn shares), TCG Crossover Management, LLC (11.39Mn shares), Prosight Management, LP (7.82Mn shares), BlackRock, Inc. (7.02Mn shares), Point72 Asset Management, L.P. (3.65Mn shares), Morgan Stanley (3.05Mn shares), Millennium Management LLC (2.9Mn shares), Citadel Advisors LLC (2.05Mn shares) and Goldman Sachs Group Inc (1.91Mn shares).

Form 13F Holdings

115 Institutional Holders

Report period 30 Jun, 2026

Total shares held 80.75Mn

Of outstanding 52.09%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Nantahala Capital Management, LLC	0001472322	12,326,184	7.95%	▲6,728,751	+120.21%	$13.19Mn
2	Redmile Group, LLC	0001425738	11,526,710	7.44%	▼3,943,792	-25.49%	$12.33Mn
3	TCG Crossover Management, LLC	0001839948	11,390,175	7.35%	0	0.00%	$12.19Mn
4	Prosight Management, LP	0001617201	7,824,749	5.05%	▲7,824,749	0.00%	$8.37Mn
5	BlackRock, Inc.	0002012383	7,020,093	4.53%	▲769,346	+12.31%	$7.51Mn
6	Point72 Asset Management, L.P.	0001603466	3,649,144	2.35%	▲267,015	+7.89%	$3.90Mn
7	Morgan Stanley	0000895421	3,051,173	1.97%	▼761,409	-19.97%	$3.26Mn
8	MILLENNIUM MANAGEMENT LLC	0001273087	2,899,535	1.87%	▼219,619	-7.04%	$3.10Mn
9	CITADEL ADVISORS LLC	0001423053	2,053,316	1.32%	▲1,653,595	+413.69%	$2.20Mn
10	Goldman Sachs Group Inc	0000886982	1,914,424	1.23%	▲261,398	+15.81%	$2.05Mn
11	State Street Corp	0000093751	1,685,836	1.09%	▲119,174	+7.61%	$1.80Mn
12	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,445,546	0.93%	▲241,790	+20.09%	$1.55Mn
13	Bank Of America Corp /De/	0000070858	1,288,206	0.83%	▼36,811	-2.78%	$1.38Mn
14	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	897,092	0.58%	▼136,185	-13.18%	$959.89K
15	TWO SIGMA INVESTMENTS, LP	0001179392	773,414	0.50%	▲105,392	+15.78%	$827.55K
16	Blue Owl Capital Holdings LP	0001858703	733,568	0.47%	0	0.00%	$784.92K
17	D. E. Shaw & Co., Inc.	0001009207	719,320	0.46%	▲476,144	+195.80%	$769.67K
18	Opaleye Management Inc.	0001595855	700,000	0.45%	▲700,000	0.00%	$749.00K
19	AQR CAPITAL MANAGEMENT LLC	0001167557	658,125	0.42%	▲420,488	+176.95%	$704.19K
20	BNP PARIBAS FINANCIAL MARKETS	0001166588	652,849	0.42%	▼207,642	-24.13%	$698.55K

Showing 1 to 20 of 115 holders