Security key
H0036K147
ADC Therapeutics SA - Common Shares, par value CHF 0.08 per share (ADCT)
CUSIP: H0036K147
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Common Shares, par value CHF 0.08 per share
- Total 13F shares
- 68,158,412
- Total 13F value
- $272,625,712
- Share change
- -2,717,131
- Put/Call ratio
- 172%
- SEC-reported price per share
- $4.00
- Number of holders
- 105
- Value change
- -$9,526,921
- Number of buys
- 53
- Number of sells
- 26
- Shares outstanding
- 127,205,201
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
105
Top holders
10
ADCT full security history
Ownership snapshot
Full 13F holder table
ADC Therapeutics SA SEC filings
ADC Therapeutics SA company facts
Broader feeds
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
HPWH TH AG
Disclosed value leader
Redmile Group, LLC
Comparable rows
15/15
Latest evidence
30 Sep 2025
13D/G
3/4/5
13F
Lead comparable stake: 9.6%
13D/G row: HPWH TH AG
Showing 1-6 of 15 holder rows.
Quick read
HPWH TH AG leads the comparable SEC ownership view at 9.6%.
15 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 HPWH TH AG's linked filing trail.
Comparable ownership
Top 5
HPWH TH AG
9.6%
Oaktree Capital Group Holdings GP...
4.1%
Hans Peter Wild
7.7%
Thomas Pfisterer
0.14%
Redmile Group, LLC
12%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| HPWH TH AG |
13D/G
Dr. Hans-Peter Wild
|
9.6%
|
$14,291,858
9,788,944 shares
|
$0 | 15 May 2025 |
| Oaktree Capital Group Holdings GP, LLC |
13D/G
Oaktree Fund Administration, LLC
|
4.1%
|
$18,693,764
4,673,441 shares
|
$0 | 30 Sep 2025 |
| Hans Peter Wild |
3/4/5
10%+ Owner
|
7.7%
|
$14,291,858
9,788,944 shares
|
— | 15 May 2025 |
| Thomas Pfisterer |
3/4/5
Other*
|
0.14%
|
$253,892
173,899 shares
|
— | 15 May 2025 |
| Redmile Group, LLC |
13F
Company
|
12%
|
$41,986,839
15,666,731 shares
|
— | 30 Jun 2025 |
| Prosight Management, LP |
13F
Company
|
8.2%
|
$28,053,626
10,467,771 shares
|
— | 30 Jun 2025 |
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 Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
105
Shares
68,158,412
Rows available
105
| 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 Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
84
Q3 2025 holders
105
Holder diff
21
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|