ADC Therapeutics ADCT Institutional Ownership

NYSE ADCT

$1.22 -0.08 (-6.15%)

As of: Sep 9, 2026 · 3:59 PM EDT

Institutions by Trading Activity

116 Institutions

Increased 72 62.1%

Unchanged 15 12.9%

Reduced 29 25.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

52.24%

▲+3.44 pp QoQ

Shares Held by Institutions

80.98Mn

of 155.02Mn outstanding

▲+22.38% QoQ

Shares Outstanding

155.02Mn

74.04Mn held outside 13F filers

Institutional Investors

116

filed 13F for Jun 2026

▼-1 vs prior quarter

Net Shares Added (QoQ)

+14.81Mn

accumulated since last quarter

Value of Holdings

$109.32Mn

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

Quarter ending 30 Jun, 2026

ADC Therapeutics SA (NYSE:ADCT) has 116 institutional investors with active 13F positions as of June 2026.

These investors collectively held 52.2% of ADC Therapeutics's outstanding shares in June 2026, up from 48.8% in March 2026.
Their total shares held in ADCT increased 22.38% quarter over quarter, and separately, investors owning ADC Therapeutics increased 36.47% from a year ago.
Of these 116 holders, 72 added to their stakes in ADC Therapeutics, 29 trimmed positions, and 15 made no changes.
Combined, these investors held 80.98Mn shares in ADCT for June 2026, up by 14.81Mn shares quarter on quarter, and up 15.4Mn shares year over year.
As of June 30, 2026, Nantahala Capital Management, LLC held the largest stake in ADC Therapeutics with 12.33Mn shares, accounting for 7.95% of total shares outstanding.
Top purchasers of ADCT stock for the quarter ending June 2026 included Prosight Management, LP (7.82Mn), Nantahala Capital Management, LLC (6.73Mn), CITADEL ADVISORS LLC (1.65Mn), BlackRock, Inc. (769.35K), Opaleye Management Inc. (700.0K).
Top sellers of ADCT stock for the quarter ending June 2026 included Redmile Group, LLC (3.94Mn), Morgan Stanley (761.41K), PLATINUM INVESTMENT MANAGEMENT LTD (409.17K), Jpmorgan Chase & Co (336.54K), MILLENNIUM MANAGEMENT LLC (219.62K).
According to Business Quant data, leading holders of ADCT for June 2026 are Nantahala Capital Management, LLC (12.33Mn), Redmile Group, LLC (11.53Mn), TCG Crossover Management, LLC (11.39Mn), Prosight Management, LP (7.82Mn), BlackRock, Inc. (7.02Mn), Point72 Asset Management, L.P. (3.65Mn), Morgan Stanley (3.05Mn), MILLENNIUM MANAGEMENT LLC (2.9Mn), CITADEL ADVISORS LLC (2.05Mn), Goldman Sachs Group Inc (1.91Mn).

Form 13F Holdings

116 Institutional Holders

Report period 30 Jun, 2026

Total shares held 80.98Mn

Of outstanding 52.24%

#	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 116 holders