Security key
23285D109
Cytek Biosciences, Inc. - Common Stock, par value $0.001 per share (CTKB)
CUSIP: 23285D109
Q4 2021 13F Holders as of 31 Dec 2021
- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Total 13F shares
- 35,038,930
- Total 13F value
- $571,924,873
- Share change
- +667,797
- SEC-reported price per share
- $16.32
- Number of holders
- 51
- Value change
- -$4,872,187
- Number of buys
- 30
- Number of sells
- 22
- Shares outstanding
- 129,063,934
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2021
Institutions
51
Top holders
10
CTKB full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2022
Previous quarter: Q3 2021
Cytek Biosciences, Inc. SEC filings
Cytek Biosciences, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 23285D109
Recent filing periods:
Ownership snapshot
Top reported holders of CTKB - Cytek Biosciences, Inc. - Common Stock, par value $0.001 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
RA CAPITAL MANAGEMENT, L.P.
Disclosed value leader
RA CAPITAL MANAGEMENT, L.P.
Comparable rows
15/15
Latest evidence
30 Sep 2021
13F
Lead comparable stake: 7.4%
Showing 1-6 of 15 holder rows.
Quick read
RA CAPITAL MANAGEMENT, L.P. leads the comparable SEC ownership view at 7.4%.
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 RA CAPITAL MANAGEMENT, L.P.'s linked filing trail.
Comparable ownership
Top 5
RA CAPITAL MANAGEMENT, L.P.
7.4%
HHLR ADVISORS, LTD.
6.8%
FIL Ltd
2.1%
FMR LLC
2.1%
Miura Global Management, LLC
1.6%
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 |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. |
13F
Company
|
7.4%
|
$205,686,000
9,607,028 shares
|
— | 30 Sep 2021 |
| HHLR ADVISORS, LTD. |
13F
Company
|
6.8%
|
$187,488,000
8,757,030 shares
|
— | 30 Sep 2021 |
| FIL Ltd |
13F
Company
|
2.1%
|
$57,092,000
2,666,600 shares
|
— | 30 Sep 2021 |
| FMR LLC |
13F
Company
|
2.1%
|
$57,092,000
2,666,600 shares
|
— | 30 Sep 2021 |
| Miura Global Management, LLC |
13F
Company
|
1.6%
|
$45,336,000
2,117,500 shares
|
— | 30 Sep 2021 |
| ORBIMED ADVISORS LLC |
13F
Company
|
1.5%
|
$41,174,000
1,923,139 shares
|
— | 30 Sep 2021 |
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 Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
51
Shares
35,038,930
Rows available
51
| 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 Q4 2021 vs Q3 2021 Across Filers
Q3 2021 holders
53
Q4 2021 holders
51
Holder diff
-2
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend