ADCT · ADC Therapeutics SA · Holdings
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Holder Concentration
Across 113 13F filersWho Holds ADCT
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 113 filers, like-for-like change -3.3%; actively managed books -5.1%; index-like books +4.7%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 48.7% | 53 | -5.1% |
| Exempt adviser | 0.0% | 1 | -18.9% |
| Adviser | 1.0% | 2 | -23.9% |
| Bank | 6.1% | 10 | +0.2% |
| Insurer | 0.0% | 1 | -45.6% |
| Broker-dealer | 0.0% | 2 | -14.5% |
| Benefit plan | 0.2% | 2 | +22.1% |
| Non-US | 0.9% | 3 | -23.8% |
| Holding company | 15.4% | 8 | +2.1% |
| Unknown | 27.7% | 31 | -1.8% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 20.3% | 16 | +4.7% |
| Systematic-like | 12.8% | 11 | +29.3% |
| Concentrated | 26.0% | 14 | -15.1% |
| Diversified active | 40.9% | 72 | -6.0% |
| Not measured | 0.0% | 0 | — |
| Unknown | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 40.4% | 65 | -10.0% |
| Medium turnover | 35.5% | 23 | -2.2% |
| High turnover | 22.9% | 23 | +10.3% |
| Unknown | 1.2% | 2 | -17.4% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 2.6% | 12 | +2.0% |
| Medium horizon | 33.5% | 23 | -0.6% |
| Long horizon | 43.1% | 72 | -19.1% |
| Unknown | 20.8% | 6 | +49.8% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 11.7% | 15 | -7.4% |
| $1B to $10B | 45.4% | 30 | -9.7% |
| $10B to $100B | 6.7% | 27 | -7.4% |
| $100B or more | 36.1% | 41 | +8.9% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 1.0% | 24 | +14.3% |
| Pooled investment vehicles | 42.3% | 13 | +9.3% |
| Registered funds and BDCs | 3.3% | 5 | -67.8% |
| Pension and profit sharing plans | 0.0% | 1 | 0.0% |
| Insurance companies | 0.0% | 1 | -91.2% |
| Governments and sovereign funds | 0.9% | 2 | -13.2% |
| Other investment advisers | 0.0% | 2 | +36.6% |
| Diversified | 1.2% | 5 | +208.4% |
| Unknown | 51.3% | 60 | -1.5% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 44.0% | 17 | +15.0% |
| Private equity funds | 0.0% | 2 | -81.9% |
| Venture capital funds | 0.0% | 1 | -100.0% |
| Real estate funds | 0.0% | 2 | +75.9% |
| Other private funds | 0.4% | 6 | -76.3% |
| Mixed private funds | 0.1% | 1 | +159.2% |
| Private funds, type not stated | 0.0% | 1 | new |
| No private funds | 4.0% | 24 | +3.0% |
| Securitized asset funds | 0.0% | 0 | — |
| Unknown | 51.3% | 59 | -1.5% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 97.4% | 97 | -3.3% |
| Outside the US | 2.6% | 16 | -4.0% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 1 holder with no observed 2026-06-30 13F.
Conviction and Crowding
113 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 98.7% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies ADCT's active holders also own, quarter ended Jun 30, 2026| # | Company | Shared holders |
|---|---|---|
| 1 | EDIT Editas Medicine, Inc. | 4 |
| 2 | CDXS Codexis, Inc. | 3 |
| 3 | JANX Janux Therapeutics, Inc. | 3 |
| 4 | AGMB AgomAb Therapeutics NV | 3 |
| 5 | STOK Stoke Therapeutics, Inc. | 4 |
| 6 | AURA Aura Biosciences, Inc. | 4 |
| 7 | SLN Silence Therapeutics plc | 3 |
| 8 | KIDS Orthopediatrics Corp | 3 |
| 9 | TRAX First Tracks Biotherapeutics, Inc. | 3 |
| 10 | PLRX Pliant Therapeutics, Inc. | 3 |
Shareholder Targets
13F filers that own its peers but not ADCT, quarter ended Jun 30, 2026Found through its holder-overlap peers: EDIT, CDXS, JANX, AGMB, STOK, AURA, SLN, KIDS, TRAX, PLRX, ALEC, ZYME, MBX, ANNX, IMVT, IDYA, BCRX, GLUE, CGON, BHVN. 731 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC Registered adviser, Index-like | $1,134,673,205 18 held | CGON, IDYA, IMVT |
| 2 | RTW INVESTMENTS, LP Registered adviser, Diversified active | $925,209,567 4 held | CGON, STOK, IMVT |
| 3 | EcoR1 Capital, LLC Registered adviser, Concentrated | $827,815,014 6 held | ZYME, CGON, TRAX |
| 4 | Jupiter Topco LLC Unknown, Diversified active | $674,616,135 13 held | IDYA, BHVN, BCRX |
| 5 | T. Rowe Price Investment Management, Inc. Adviser, Diversified active | $634,771,572 3 held | CGON, IMVT, STOK |
| 6 | BAKER BROS. ADVISORS LP Registered adviser, Concentrated | $610,486,380 4 held | IMVT, IDYA, STOK |
| 7 | Frazier Life Sciences Management, L.P. Registered adviser, Concentrated | $481,893,517 4 held | MBX, AURA, BCRX |
| 8 | Deep Track Capital, LP Adviser, Diversified active | $455,552,356 2 held | IMVT, MBX |
| 9 | Decheng Capital LLC Unknown, Concentrated | $452,707,082 1 held | CGON |
| 10 | Woodline Partners LP Registered adviser, Systematic-like | $392,547,589 13 held | BHVN, IMVT, MBX |
Fund Ownership of ADCT by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 0.67% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 0.14% | 177,701 |
| Index ETFs | 0.53% | 672,590 |
| Active ETFs | 0.25% | 319,308 |
| Active funds | 0.22% | 285,208 |
| Unclassified | 0.00% | 0 |
| All registered funds | 1.14% | 1,454,807 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mid Nantahala Capital Management, LLC Registered adviser | $13,189,016 | 15.22% | 12,326,184 | Shares | 2026-08-19 | |
| Mid Redmile Group, LLC Registered adviser | $12,333,579 | 14.23% | 11,526,710 | Shares | 2026-08-14 | |
| Mid TCG Crossover Management, LLC | $12,187,487 | 14.07% | 11,390,175 | Shares | 2026-08-14 | |
| Small Prosight Management, LP | $8,372,481 | 9.66% | 7,824,749 | Shares | 2026-08-14 | |
| Mega BlackRock, Inc. Holding company | $7,511,496 | 8.67% | 7,020,093 | Shares | 2026-08-07 | |
| Large Point72 Asset Management, L.P. Registered adviser | $3,904,584 | 4.51% | 3,649,144 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY Holding company | $3,264,753 | 3.77% | 3,051,173 | Shares | 2026-08-13 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $3,102,502 | 3.58% | 2,899,535 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $2,197,047 | 2.54% | 2,053,316 | Shares | 2026-09-02 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $2,048,432 | 2.36% | 1,914,424 | Shares | 2026-08-14 | |
| Mega STATE STREET CORP Bank | $1,803,844 | 2.08% | 1,685,836 | Shares | 2026-09-22 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $1,546,733 | 1.79% | 1,445,546 | Shares | 2026-08-12 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $1,378,379 | 1.59% | 1,288,206 | Shares | 2026-08-14 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $959,888 | 1.11% | 897,092 | Shares | 2026-08-13 | |
| Mega TWO SIGMA INVESTMENTS, LP Registered adviser | $827,552 | 0.96% | 773,414 | Shares | 2026-08-14 | |
| Small Blue Owl Capital Holdings LP Adviser | $784,917 | 0.91% | 733,568 | Shares | 2026-08-11 | |
| Mega D. E. Shaw & Co., Inc. | $769,672 | 0.89% | 719,320 | Shares | 2026-08-14 | |
| Mid Opaleye Management Inc. Registered adviser | $749,000 | 0.86% | 700,000 | Shares | 2026-08-14 | |
| Mega AQR CAPITAL MANAGEMENT LLC Registered adviser | $704,192 | 0.81% | 658,125 | Shares | 2026-08-14 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US | $698,548 | 0.81% | 652,849 | Shares | 2026-08-13 | |
| Mega NORTHERN TRUST CORP Bank | $635,605 | 0.73% | 594,025 | Shares | 2026-08-13 | |
| Small PLATINUM INVESTMENT MANAGEMENT LTD | $622,321 | 0.72% | 581,609 | Shares | 2026-08-13 | |
| Large PANAGORA ASSET MANAGEMENT INC Registered adviser | $612,913 | 0.71% | 572,816 | Shares | 2026-08-06 | |
| Mega UBS Group AG Bank | $556,712 | 0.64% | 520,293 | Shares | 2026-08-13 | |
| Mega SCHRODER INVESTMENT MANAGEMENT GROUP Registered adviser | $448,096 | 0.52% | 418,782 | Shares | 2026-08-13 | |
| Large ACADIAN ASSET MANAGEMENT LLC | $385,468 | 0.44% | 360,251 | Shares | 2026-08-13 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $328,644 | 0.38% | 307,144 | Shares | 2026-08-14 | |
| Mega Russell Investments Group, Ltd. | $306,664 | 0.35% | 286,604 | Shares | 2026-08-06 | |
| Mega Bank of New York Mellon Corp Bank | $269,259 | 0.31% | 251,645 | Shares | 2026-08-06 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP Holding company | $250,758 | 0.29% | 234,355 | Shares | 2026-08-14 | |
| Mid Florida Trust Wealth Management Co | $246,565 | 0.28% | 230,435 | Shares | 2026-07-27 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $239,742 | 0.28% | 224,058 | Shares | 2026-08-14 | |
| Mega Nuveen, LLC | $189,061 | 0.22% | 176,693 | Shares | 2026-08-11 | |
| Large STATE OF WISCONSIN INVESTMENT BOARD Benefit plan | $171,414 | 0.20% | 160,200 | Shares | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO Bank | $163,216 | 0.19% | 152,540 | Shares | 2026-08-12 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $160,500 | 0.19% | 150,000 | Call | 2026-08-14 | |
| Large JACOBS LEVY EQUITY MANAGEMENT, INC Registered adviser | $151,238 | 0.17% | 141,344 | Shares | 2026-08-14 | |
| Mid XTX Topco Ltd | $150,164 | 0.17% | 140,341 | Shares | 2026-08-14 | |
| Mega FMR LLC Holding company | $142,069 | 0.16% | 132,775 | Shares | 2026-08-13 | |
| Mega RHUMBLINE ADVISERS Registered adviser | $125,579 | 0.14% | 117,364 | Shares | 2026-08-12 | |
| Small Revolve Wealth Partners, LLC Registered adviser | $122,000 | 0.14% | 100,000 | Shares | 2026-10-23 | |
| Mid Wilmington Savings Fund Society, FSB | $122,000 | 0.14% | 100,000 | Shares | 2026-10-23 | |
| Large Focus Partners Wealth Registered adviser | $119,627 | 0.14% | 111,801 | Shares | 2026-08-12 | |
| Mega ALLIANCEBERNSTEIN L.P. Registered adviser | $116,062 | 0.13% | 108,470 | Shares | 2026-08-14 | |
| Large Quadrature Capital Ltd | $113,088 | 0.13% | 105,690 | Shares | 2026-08-07 | |
| Mega BARCLAYS PLC Bank | $100,861 | 0.12% | 94,264 | Shares | 2026-08-14 | |
| Mega DEUTSCHE BANK AG\ Non-US | $89,284 | 0.10% | 83,444 | Shares | 2026-08-07 | |
| Small DAFNA Capital Management LLC Registered adviser | $82,476 | 0.10% | 77,081 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $80,100 | 0.09% | 74,860 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $65,555 | 0.08% | 61,267 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $60,458 | 0.07% | 56,503 | Shares | 2026-08-13 | |
| Mega Invesco Ltd. Adviser | $59,665 | 0.07% | 55,762 | Shares | 2026-08-14 | |
| Mid GSA CAPITAL PARTNERS LLP Registered adviser | $58,523 | 0.07% | 54,695 | Shares | 2026-08-06 | |
| Mega CITIGROUP INC Bank | $53,148 | 0.06% | 49,672 | Shares | 2026-08-03 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $52,718 | 0.06% | 49,270 | Shares | 2026-08-14 | |
| Large Verition Fund Management LLC Registered adviser | $43,153 | 0.05% | 40,330 | Shares | 2026-08-14 | |
| Large Magnetar Financial LLC Registered adviser | $41,828 | 0.05% | 39,092 | Shares | 2026-08-14 | |
| Large Brevan Howard Capital Management LP Exempt adviser | $39,466 | 0.05% | 36,885 | Shares | 2026-08-14 | |
| Small DLK Investment Management, LLC Registered adviser | $37,169 | 0.04% | 30,467 | Shares | 2026-10-09 | |
| Mid State of Alaska, Department of Revenue | $36,600 | 0.04% | 30,000 | Shares | 2026-10-15 | |
| Mega SEI INVESTMENTS CO Holding company | $35,803 | 0.04% | 33,461 | Shares | 2026-08-14 | |
| Large Police & Firemen's Retirement System of New Jersey | $34,822 | 0.04% | 32,544 | Shares | 2026-07-23 | |
| Mid Susquehanna Portfolio Strategies, LLC | $30,884 | 0.04% | 28,864 | Shares | 2026-08-14 | |
| Large INTECH INVESTMENT MANAGEMENT LLC Registered adviser | $30,252 | 0.03% | 28,273 | Shares | 2026-08-10 | |
| Mid Virtu Financial LLC | $30,146 | 0.03% | 28,174 | Shares | 2026-08-13 | |
| Small AXQ CAPITAL, LP Registered adviser | $29,325 | 0.03% | 27,407 | Shares | 2026-08-06 | |
| Large Cerity Partners LLC Registered adviser | $29,044 | 0.03% | 27,144 | Shares | 2026-08-14 | |
| Small Saxony Capital Management, LLC Registered adviser | $28,996 | 0.03% | 23,768 | Shares | 2026-10-15 | |
| Large Point72 Asset Management, L.P. Registered adviser | $28,248 | 0.03% | 26,400 | Call | 2026-08-14 | |
| Mega Creative Planning Registered adviser | $25,713 | 0.03% | 24,032 | Shares | 2026-08-13 | |
| Mega NEUBERGER BERMAN GROUP LLC Holding company | $22,107 | 0.03% | 20,661 | Shares | 2026-10-27 | |
| Micro Ground Swell Capital, LLC | $21,836 | 0.03% | 20,408 | Shares | 2026-08-05 | |
| Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $20,055 | 0.02% | 16,439 | Shares | 2026-10-13 | |
| Mid Tower Research Capital LLC (TRC) | $19,646 | 0.02% | 18,361 | Shares | 2026-08-11 | |
| Large Centiva Capital, LP Registered adviser | $18,920 | 0.02% | 17,683 | Shares | 2026-08-13 | |
| Large Vanguard Personalized Indexing Management, LLC Registered adviser | $18,197 | 0.02% | 17,007 | Shares | 2026-08-11 | |
| Large COMMONWEALTH EQUITY SERVICES, LLC Registered adviser | $16,605 | 0.02% | 15,519 | Shares | 2026-07-29 | |
| Large PRUDENTIAL FINANCIAL INC Insurer | $15,295 | 0.02% | 14,295 | Shares | 2026-08-12 | |
| Large ProShare Advisors LLC Registered adviser | $15,027 | 0.02% | 14,044 | Shares | 2026-08-11 | |
| Small R Squared Ltd | $14,900 | 0.02% | 13,926 | Shares | 2026-08-05 | |
| Mid Engineers Gate Manager LP | $14,437 | 0.02% | 13,493 | Shares | 2026-08-14 | |
| Mid Simplicity Wealth,LLC Registered adviser | $13,897 | 0.02% | 11,391 | Shares | 2026-10-23 | |
| Mid Pallas Capital Advisors LLC Registered adviser | $13,483 | 0.02% | 12,601 | Shares | 2026-08-07 | |
| Mid Meridian Wealth Management, LLC Registered adviser | $13,457 | 0.02% | 12,577 | Shares | 2026-08-05 | |
| Mid Perigon Wealth Management, LLC Registered adviser | $12,672 | 0.01% | 10,387 | Shares | 2026-10-22 | |
| Small AVISO WEALTH MANAGEMENT Registered adviser | $11,067 | 0.01% | 10,343 | Shares | 2026-08-05 | |
| Mega LPL Financial LLC Broker-dealer | $10,876 | 0.01% | 10,165 | Shares | 2026-08-07 | |
| Mid Callan Family Office, LLC Registered adviser | $10,792 | 0.01% | 10,086 | Shares | 2026-08-11 | |
| Large NEW YORK STATE COMMON RETIREMENT FUND | $9,737 | 0.01% | 9,100 | Shares | 2026-07-29 | |
| Mega Legal & General Group Plc | $9,642 | 0.01% | 9,012 | Shares | 2026-08-14 | |
| Mid SIMPLEX TRADING, LLC | $8,770 | 0.01% | 8,197 | Shares | 2026-08-12 | |
| Small Caitong International Asset Management Co., Ltd | $7,541 | 0.01% | 7,048 | Shares | 2026-08-05 | |
| Mid Ameritas Investment Partners, Inc. Registered adviser | $7,339 | 0.01% | 6,859 | Shares | 2026-08-13 | |
| Mega ROYAL BANK OF CANADA Bank | $6,303 | 0.01% | 5,891 | Shares | 2026-08-14 | |
| Small State of Wyoming | $6,112 | 0.01% | 5,713 | Shares | 2026-08-06 | |
| Large OSAIC HOLDINGS, INC. Holding company | $4,289 | 0.00% | 4,009 | Shares | 2026-08-14 | |
| Mega JONES FINANCIAL COMPANIES LLLP | $3,210 | 0.00% | 3,000 | Shares | 2026-08-14 | |
| Mid Sterling Capital Management LLC Registered adviser | $2,918 | 0.00% | 2,392 | Shares | 2026-10-22 | |
| Mid Optiver Holding B.V. | $2,895 | 0.00% | 2,706 | Shares | 2026-08-12 | |
| Mid GAMMA Investing LLC Registered adviser | $2,864 | 0.00% | 2,348 | Shares | 2026-10-08 |
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