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ADC Therapeutics SA

ADCT
Exchange
NYSE
Industry
Pharmaceutical Preparations
SEC CIK
0001771910

No open-market purchases or sales by ADC Therapeutics SA insiders were filed in the last 90 days; 113 institutions reported holding it in 13F filings for Q2 2026, worth $86.3M in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in ADC Therapeutics SA as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
118
+5 vs. Q4 2025
Shares held
83.5M
+2.46M (+3.0%) vs. Q4 2025
Total value
$312.9M
+$26.5M (+9.2%) vs. Q4 2025
New holders
19
53 more added
Sold out
14
28 more reduced

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ADCT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 118 institutions
Q1 2021: 59 institutionsQ2 2021: 56 institutionsQ3 2021: 53 institutionsQ4 2021: 55 institutionsQ1 2022: 49 institutionsQ2 2022: 58 institutionsQ3 2022: 66 institutionsQ4 2022: 60 institutionsQ1 2023: 59 institutionsQ2 2023: 56 institutionsQ3 2023: 41 institutionsQ4 2023: 38 institutionsQ1 2024: 37 institutionsQ2 2024: 74 institutionsQ3 2024: 77 institutionsQ4 2024: 83 institutionsQ1 2025: 82 institutionsQ2 2025: 86 institutionsQ3 2025: 106 institutionsQ4 2025: 115 institutionsQ1 2026: 118 institutionsQ2 2026: 113 institutions
Value heldQ1 2026: $312.9M
Q1 2021: $801.3MQ2 2021: $816.3MQ3 2021: $890.6MQ4 2021: $682.8MQ1 2022: $501.3MQ2 2022: $274.1MQ3 2022: $176.5MQ4 2022: $149.1MQ1 2023: $90.9MQ2 2023: $97.5MQ3 2023: $35.4MQ4 2023: $56.4MQ1 2024: $155.8MQ2 2024: $163.7MQ3 2024: $172.9MQ4 2024: $112.4MQ1 2025: $77.3MQ2 2025: $182.1MQ3 2025: $271.3MQ4 2025: $292.8MQ1 2026: $312.9MQ2 2026: $86.3M
Institutions holding ADCT and their total value by quarter
QuarterHoldersValue
Q2 2026113$86.3M
Q1 2026118$312.9M
Q4 2025115$292.8M
Q3 2025106$271.3M
Q2 202586$182.1M
Q1 202582$77.3M
Q4 202483$112.4M
Q3 202477$172.9M
Q2 202474$163.7M
Q1 202437$155.8M
Q4 202338$56.4M
Q3 202341$35.4M
Q2 202356$97.5M
Q1 202359$90.9M
Q4 202260$149.1M
Q3 202266$176.5M
Q2 202258$274.1M
Q1 202249$501.3M
Q4 202155$682.8M
Q3 202153$890.6M
Q2 202156$816.3M
Q1 202159$801.3M

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding ADC Therapeutics SA; share changes are against Q4 2025.

Institutions holding ADCT in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
C M Bidwell & Associates Ltd1,119$4.20K0.00%+1,119New
EverSource Wealth Advisors, LLC966$3.62K0.00%+8+0.8%Added
Optiver Holding B.V.866$3.25K0.00%+280+47.8%Added
GAMMA Investing LLC732$2.75K0.00%+240+48.8%Added
Sterling Capital Management LLC663$2.49K0.00%+192+40.8%Added
Nisa Investment Advisors, LLC370$1.39K0.00%00.0%Unchanged
Quadrant Capital Group LLC173$6490.00%00.0%Unchanged
Allworth Financial LP117$4390.00%+28+31.5%Added
Group One Trading, L.P.100$3750.00%00.0%Unchanged
Root Financial Partners, LLC89$3340.00%+89New
IFP Advisors, Inc30$1120.00%−39−56.5%Reduced
MAI Capital Management29$1090.00%+13+81.3%Added
Essential Partners LLC24$900.00%−11−31.4%Reduced
True Wealth Design, LLC21$790.00%−9−30.0%Reduced
Harbour Investments, Inc.20$750.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd2$80.00%+2New
Twin Peaks Wealth Advisors, LLC2$80.00%+2New
Rothschild Investment LLC1$40.00%−9−90.0%Reduced
StemPoint Capital LP0$00.00%−502,570−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−120,567−100.0%Sold out
SG Americas Securities, LLC0$00.00%−24,448−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−20,889−100.0%Sold out
Henrickson Nauta Wealth Advisors, Inc.0$00.00%−19,411−100.0%Sold out
Axq Capital, LP0$00.00%−16,078−100.0%Sold out
Ieq Capital, LLC0$00.00%−16,067−100.0%Sold out
Engineers Gate Manager LP0$00.00%−12,071−100.0%Sold out
Amalgamated Bank0$00.00%−2,710−100.0%Sold out
Simplex Trading, LLC0$00.00%−2,687−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−1,725−100.0%Sold out
SBI Securities Co., Ltd.0$00.00%−222−100.0%Sold out
Farther Finance Advisors, LLC0$00.00%−57−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−17−100.0%Sold out
Vanguard Group Inc––––Not filed
Vantage Consulting Group Inc––––Not filed