Activist 13D/13G Filings - Cytek Biosciences Inc. (CTKB)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
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Reported
DateTime
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportFiling
2024-11-14
4:35 pm
Purchase
13GCytek Biosciences Inc.
CTKB
HILLHOUSE INVESTMENT MANAGEMENT LTD.6,657,030
5.100%
6,657,030increase
(New Position)
View
2024-11-14
1:42 pm
Sale
13GCytek Biosciences Inc.
CTKB
BROWN CAPITAL MANAGEMENT LLC9,493,474
7.220%
-2,522,851decrease
(-21.00%)
View
2024-02-22
7:07 pm
Unchanged
13GCytek Biosciences Inc.
CTKB
RA CAPITAL MANAGEMENT L.P.6,809,404
5.200%
0
(Unchanged)
View
2024-02-14
4:39 pm
Sale
13GCytek Biosciences Inc.
CTKB
HHLR ADVISORS LTD.6,657,030
4.900%
-2,027,500decrease
(-23.35%)
View
2024-02-14
4:08 pm
Sale
13GCytek Biosciences Inc.
CTKB
Yan Ming6,203,867
4.700%
-1,999,491decrease
(-24.37%)
View
2024-02-14
4:07 pm
Sale
13GCytek Biosciences Inc.
CTKB
Jiang Wenbin5,702,130
4.300%
-2,318,353decrease
(-28.91%)
View
2024-02-14
3:12 pm
Purchase
13GCytek Biosciences Inc.
CTKB
BROWN CAPITAL MANAGEMENT LLC12,016,325
8.860%
12,016,325increase
(New Position)
View
2024-02-13
5:02 pm
Purchase
13GCytek Biosciences Inc.
CTKB
VANGUARD GROUP INC11,890,700
8.770%
4,119,633increase
(+53.01%)
View
2024-01-23
4:13 pm
Purchase
13GCytek Biosciences Inc.
CTKB
BlackRock Inc.
BLK
17,779,753
13.100%
2,944,538increase
(+19.85%)
View
2023-09-19
5:25 pm
Sale
13DCytek Biosciences Inc.
CTKB
RA CAPITAL MANAGEMENT L.P.6,809,404
4.990%
-6,329,923decrease
(-48.18%)
View
2023-05-05
11:52 am
Purchase
13GCytek Biosciences Inc.
CTKB
BlackRock Inc.
BLK
14,835,215
10.900%
6,467,608increase
(+77.29%)
View
2023-02-14
4:09 pm
Sale
13GCytek Biosciences Inc.
CTKB
HHLR ADVISORS LTD.8,684,530
6.400%
-72,500decrease
(-0.83%)
View
2023-02-09
11:16 am
Purchase
13GCytek Biosciences Inc.
CTKB
VANGUARD GROUP INC7,771,067
5.760%
7,771,067increase
(New Position)
View
2023-02-03
12:10 pm
Purchase
13GCytek Biosciences Inc.
CTKB
BlackRock Inc.
BLK
8,367,607
6.200%
8,367,607increase
(New Position)
View
2022-08-03
5:26 pm
Sale
13GCytek Biosciences Inc.
CTKB
3E Bioventures Capital L.P.5,684,615
4.230%
-4,002,250decrease
(-41.32%)
View
2022-03-14
5:04 pm
Purchase
13DCytek Biosciences Inc.
CTKB
RA CAPITAL MANAGEMENT L.P.13,139,327
9.800%
2,057,164increase
(+18.56%)
View
2022-02-28
5:29 pm
Purchase
13DCytek Biosciences Inc.
CTKB
RA CAPITAL MANAGEMENT L.P.11,082,163
8.300%
1,475,135increase
(+15.35%)
View
2022-02-16
6:27 pm
Purchase
13GCytek Biosciences Inc.
CTKB
3E Bioventures Capital L.P.9,686,865
7.240%
9,686,865increase
(New Position)
View
2022-02-14
4:09 pm
Purchase
13GCytek Biosciences Inc.
CTKB
HHLR ADVISORS LTD.8,757,030
6.500%
8,757,030increase
(New Position)
View
2022-02-14
2:04 pm
Purchase
13GCytek Biosciences Inc.
CTKB
Jiang Wenbin8,020,483
5.990%
8,020,483increase
(New Position)
View
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