About this data
What it is
An investor who owns more than 5% of a public company must say so. Investors who may try to influence the company, such as activists, file the longer Schedule 13D; passive holders file the shorter Schedule 13G.
Who files it
The investor, within days of crossing 5%, and again whenever the stake changes materially.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
13G filings are far more common than 13D. A 13D usually means the investor intends to push for changes, so it tends to get more attention.

All of this comes from public filings.

Filings per day, last 30 days

0200400600800Oct 17 · 13D (activist): 0Oct 17 · 13G (passive): 0Oct 17Oct 18 · 13D (activist): 0Oct 18 · 13G (passive): 0Oct 19 · 13D (activist): 13Oct 19 · 13G (passive): 75Oct 20 · 13D (activist): 16Oct 20 · 13G (passive): 34Oct 21 · 13D (activist): 11Oct 21 · 13G (passive): 31Oct 21Oct 22 · 13D (activist): 16Oct 22 · 13G (passive): 48Oct 23 · 13D (activist): 13Oct 23 · 13G (passive): 24Oct 24 · 13D (activist): 0Oct 24 · 13G (passive): 0Oct 25 · 13D (activist): 0Oct 25 · 13G (passive): 0Oct 25Oct 26 · 13D (activist): 19Oct 26 · 13G (passive): 25Oct 27 · 13D (activist): 16Oct 27 · 13G (passive): 380Oct 28 · 13D (activist): 22Oct 28 · 13G (passive): 60Oct 29 · 13D (activist): 16Oct 29 · 13G (passive): 47Oct 29Oct 30 · 13D (activist): 16Oct 30 · 13G (passive): 343Oct 31 · 13D (activist): 0Oct 31 · 13G (passive): 0Nov 1 · 13D (activist): 0Nov 1 · 13G (passive): 0Nov 2 · 13D (activist): 20Nov 2 · 13G (passive): 36Nov 2Nov 3 · 13D (activist): 22Nov 3 · 13G (passive): 45Nov 4 · 13D (activist): 19Nov 4 · 13G (passive): 67Nov 5 · 13D (activist): 15Nov 5 · 13G (passive): 311Nov 6 · 13D (activist): 40Nov 6 · 13G (passive): 191Nov 6Nov 7 · 13D (activist): 0Nov 7 · 13G (passive): 0Nov 8 · 13D (activist): 0Nov 8 · 13G (passive): 0Nov 9 · 13D (activist): 40Nov 9 · 13G (passive): 140Nov 10 · 13D (activist): 27Nov 10 · 13G (passive): 289Nov 10Nov 11 · 13D (activist): 0Nov 11 · 13G (passive): 0Nov 12 · 13D (activist): 34Nov 12 · 13G (passive): 277Nov 13 · 13D (activist): 26Nov 13 · 13G (passive): 690Nov 14 · 13D (activist): 0Nov 14 · 13G (passive): 0Nov 14Nov 15 · 13D (activist): 0Nov 15 · 13G (passive): 0
0200400600800Oct 17 · 13D (activist): 0Oct 17 · 13G (passive): 0Oct 17Oct 18 · 13D (activist): 0Oct 18 · 13G (passive): 0Oct 19 · 13D (activist): 13Oct 19 · 13G (passive): 75Oct 20 · 13D (activist): 16Oct 20 · 13G (passive): 34Oct 21 · 13D (activist): 11Oct 21 · 13G (passive): 31Oct 21Oct 22 · 13D (activist): 16Oct 22 · 13G (passive): 48Oct 23 · 13D (activist): 13Oct 23 · 13G (passive): 24Oct 24 · 13D (activist): 0Oct 24 · 13G (passive): 0Oct 25 · 13D (activist): 0Oct 25 · 13G (passive): 0Oct 25Oct 26 · 13D (activist): 19Oct 26 · 13G (passive): 25Oct 27 · 13D (activist): 16Oct 27 · 13G (passive): 380Oct 28 · 13D (activist): 22Oct 28 · 13G (passive): 60Oct 29 · 13D (activist): 16Oct 29 · 13G (passive): 47Oct 29Oct 30 · 13D (activist): 16Oct 30 · 13G (passive): 343Oct 31 · 13D (activist): 0Oct 31 · 13G (passive): 0Nov 1 · 13D (activist): 0Nov 1 · 13G (passive): 0Nov 2 · 13D (activist): 20Nov 2 · 13G (passive): 36Nov 2Nov 3 · 13D (activist): 22Nov 3 · 13G (passive): 45Nov 4 · 13D (activist): 19Nov 4 · 13G (passive): 67Nov 5 · 13D (activist): 15Nov 5 · 13G (passive): 311Nov 6 · 13D (activist): 40Nov 6 · 13G (passive): 191Nov 6Nov 7 · 13D (activist): 0Nov 7 · 13G (passive): 0Nov 8 · 13D (activist): 0Nov 8 · 13G (passive): 0Nov 9 · 13D (activist): 40Nov 9 · 13G (passive): 140Nov 10 · 13D (activist): 27Nov 10 · 13G (passive): 289Nov 10Nov 11 · 13D (activist): 0Nov 11 · 13G (passive): 0Nov 12 · 13D (activist): 34Nov 12 · 13G (passive): 277Nov 13 · 13D (activist): 26Nov 13 · 13G (passive): 690Nov 14 · 13D (activist): 0Nov 14 · 13G (passive): 0Nov 14Nov 15 · 13D (activist): 0Nov 15 · 13G (passive): 0

13D (activist) 13G (passive)

Latest ownership filings

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Showing: ticker CASIF

Latest ownership filings
FiledScheduleBoth report a stake of more than 5%. A 13D is filed by investors who may try to influence the company, such as activists; a 13G by passive holders.CompanyInvestorShares% of sharesFiling
May 18, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
ETP Global III Fund L.P.20.00M49.3%SCHEDULE 13D/A ↗
May 18, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
HE Family GRAT100,0000.5%SCHEDULE 13D/A ↗
May 18, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Etp Biohealth III Fund, L.P.300,0001.5%SCHEDULE 13D/A ↗
May 18, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
ETP Global Fund L.P.753,2343.7%SCHEDULE 13D/A ↗
May 18, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Emerging Technology Partners, LLC21.10M52.0%SCHEDULE 13D/A ↗
May 18, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Huiying Memorial Foundation637,6443.1%SCHEDULE 13D/A ↗
May 18, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
WEI-WU HE, Ph.D.23.99M58.8%SCHEDULE 13D/A ↗
Mar 23, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
ETP Global III Fund L.P.15.00M42.2%SCHEDULE 13D/A ↗
Mar 23, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
HE Family GRAT100,0000.5%SCHEDULE 13D/A ↗
Mar 23, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Etp Biohealth III Fund, L.P.300,0001.5%SCHEDULE 13D/A ↗
Mar 23, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
ETP Global Fund L.P.753,2343.7%SCHEDULE 13D/A ↗
Mar 23, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Emerging Technology Partners, LLC16.10M45.3%SCHEDULE 13D/A ↗
Mar 23, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Huiying Memorial Foundation637,6443.1%SCHEDULE 13D/A ↗
Mar 23, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
WEI-WU HE, Ph.D.18.99M53.0%SCHEDULE 13D/A ↗
Feb 17, 2026SCHEDULE 13G/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Bong Y. Koh1.99M9.2%SCHEDULE 13G/A ↗
Feb 17, 2026SCHEDULE 13G/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Nimish Shah1.99M9.2%SCHEDULE 13G/A ↗
Feb 17, 2026SCHEDULE 13G/A (amended)CASIF
CASI Pharmaceuticals, Inc.
VHCP Management EG, LLC1.99M9.2%SCHEDULE 13G/A ↗
Feb 17, 2026SCHEDULE 13G/A (amended)CASIF
CASI Pharmaceuticals, Inc.
VHCP Management III, LLC1.99M9.2%SCHEDULE 13G/A ↗
Feb 17, 2026SCHEDULE 13G/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Venrock Healthcare Capital Partners EG, L.P.1.99M9.2%SCHEDULE 13G/A ↗
Feb 17, 2026SCHEDULE 13G/A (amended)CASIF
CASI Pharmaceuticals, Inc.
VHCP Co-Investment Holdings III, LLC1.99M9.2%SCHEDULE 13G/A ↗
Feb 17, 2026SCHEDULE 13G/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Venrock Healthcare Capital Partners III, L.P.1.99M9.2%SCHEDULE 13G/A ↗
Feb 13, 2026SCHEDULE 13G/A (amended)CASIF
CASI Pharmaceuticals, Inc.
James Tananbaum00.0%SCHEDULE 13G/A ↗
Feb 13, 2026SCHEDULE 13G/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Foresite Capital Management VI LLC00.0%SCHEDULE 13G/A ↗
Feb 13, 2026SCHEDULE 13G/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Foresite Capital Fund VI LP00.0%SCHEDULE 13G/A ↗
Feb 10, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
ETP Global Fund III L.P.10.00M32.7%SCHEDULE 13D/A ↗
Feb 10, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
HE Family GRAT100,0000.5%SCHEDULE 13D/A ↗
Feb 10, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Etp Biohealth III Fund, L.P.300,0001.5%SCHEDULE 13D/A ↗
Feb 10, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
ETP Global Fund L.P.753,2343.7%SCHEDULE 13D/A ↗
Feb 10, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Emerging Technology Partners, LLC1.10M5.3%SCHEDULE 13D/A ↗
Feb 10, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Huiying Memorial Foundation637,6443.1%SCHEDULE 13D/A ↗
Feb 10, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
WEI-WU HE, Ph.D.13.97M45.4%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
ETP Global Fund III L.P.5.00M19.6%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
HE Family GRAT100,0000.5%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Etp Biohealth III Fund, L.P.300,0001.5%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
ETP Global Fund L.P.753,2343.7%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Emerging Technology Partners, LLC1.10M5.3%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Huiying Memorial Foundation637,6443.1%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
WEI-WU HE, Ph.D.8.97M34.8%SCHEDULE 13D/A ↗
Jan 20, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Zhou Quan992,6384.8%SCHEDULE 13D/A ↗
Jan 20, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Ho Chi Sing915,8504.5%SCHEDULE 13D/A ↗
Jan 20, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
IDG-Accel China Growth Fund GP III Associates Ltd.915,8504.5%SCHEDULE 13D/A ↗
Jan 20, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
IDG-Accel China Growth Fund III Associates L.P.915,8504.5%SCHEDULE 13D/A ↗
Jan 20, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
IDG-Accel China III Investors L.P.915,8504.5%SCHEDULE 13D/A ↗
Jan 20, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
IDG-Accel China Growth Fund III L.P.915,8504.5%SCHEDULE 13D/A ↗
Jan 20, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Kuiguang Niu1.02M5.0%SCHEDULE 13D/A ↗
Jan 20, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Jingbo Wang1.02M5.0%SCHEDULE 13D/A ↗
Jan 20, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Dongliang Lin1.02M5.0%SCHEDULE 13D/A ↗
Jan 20, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Jianguang Li1.02M5.0%SCHEDULE 13D/A ↗
Jan 20, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Zhuhai Hexie Zhiyuan Management Consulting Co., Ltd.1.02M5.0%SCHEDULE 13D/A ↗
Jan 20, 2026SCHEDULE 13D/A (amended)CASIF
CASI Pharmaceuticals, Inc.
Xizang Hexie Enterprise Management Co., Ltd.1.02M5.0%SCHEDULE 13D/A ↗

The newest 50 items, most recent first. Every row links to its original filing. Updated Nov 15, 2026, 5:36 PM EST.

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