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NuCana plc

NCNA
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001709626

No open-market purchases or sales by NuCana plc insiders were filed in the last 90 days; 10 institutions reported holding it in 13F filings for Q2 2026, worth $167.9K in total; no superinvestor holds it.

Holders of 5% or more of NCNA

Holders whose latest Schedule 13D or 13G filing reports 5% or more of NuCana plc, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of NCNA
HolderLatest formStakeChangeFirst filedLatest filingFiling
Griffith Hugh13D12.00%2.83B shares–Feb 12, 20215 filingsMar 18, 2026SEC
Sofinnova Capital VI FCPR13D/A5.10%4.99M shares–Feb 2, 20213 filingsFeb 14, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

25 Schedule 13D and 13G filings on NuCana plc, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on NCNA
Filed (ET)FilerFormStakeChangeEvent dateFiling
Mar 18, 20266:39 PM ETGriffith Hugh13D12.00%2.83B shares–Jun 20, 2025SEC
Apr 18, 20256:04 PM ETCarlyle Group Inc.and 9 others13D/A2.40%3.43M shares–Below 5%Apr 18, 2025SEC
Feb 25, 20255:03 PM ETSofinnova Venture Partners VIII, L.P.and 6 others13D/A0.10%51.0K shares–Below 5%Jun 28, 2024SEC
Feb 14, 20254:32 PM ETSofinnova Capital VI FCPRand 7 others13D/A5.10%4.99M shares–Feb 14, 2025SEC
Feb 27, 2024Sofinnova Venture Partners VIII, L.P.13D/AOld format–––SEC
Feb 14, 2024Griffith Hugh13G/AOld format–––SEC
Jan 26, 2024Baillie Gifford & Co13G/AOld format–––SEC
Feb 13, 2023Capital International Investors13G/AOld format–––SEC
Feb 13, 2023Griffith Hugh13G/AOld format–––SEC
Jan 23, 2023Baillie Gifford & Co13G/AOld format–––SEC
Aug 11, 2022Carlyle Group Inc.13D/AOld format–––SEC
Feb 28, 2022Sofinnova Venture Partners VIII, L.P.13D/AOld format–––SEC
Feb 11, 2022Capital International Investors13G/AOld format–––SEC
Feb 11, 2022Capital Research Global Investors13G/AOld format–––SEC
Feb 11, 2022Griffith Hugh13G/AOld format–––SEC
Jan 27, 2022Baillie Gifford & Co13G/AOld format–––SEC
Jun 15, 2021Sofinnova Capital VI FCPR13D/AOld format–––SEC
Mar 8, 2021Scottish Enterprise13G/AOld format–––SEC
Feb 26, 2021Wood Christopher B13G/AOld format–––SEC
Feb 16, 2021Capital International Investors13G/AOld format–––SEC
Feb 16, 2021Capital Research Global Investors13G/AOld format–––SEC
Feb 12, 2021Griffith Hugh13G/AOld format–––SEC
Feb 12, 2021Harvard Management Co Inc13G/AOld format–––SEC
Feb 2, 2021Sofinnova Capital VI FCPR13D/AOld format–––SEC
Jan 28, 2021Baillie Gifford & Co13GOld format–New–SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell NuCana plc shares.

No Form 144 notices for NuCana plc are on file.