Cytek Biosciences (CTKB) Superinvestor holders
14 of the superinvestors we track hold Cytek Biosciences (CTKB) in their latest 13F filings, $115M in total.
Summary
The largest holder is Mark Donovan (Boston Partners), with $34M, 0.0% of the portfolio.
In their latest quarter: 3 opened a new position, 6 added, 2 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Mark Donovan Boston Partners |
Added | 7,660,943 | $34M | 0.0% | Q2 2026 |
| Zhang Lei Hillhouse (HHLR Advisors) |
Held | 6,657,030 | $29M | 3.5% | Q2 2026 |
| Acadian Acadian Asset Management |
Added | 2,718,890 | $16M | 0.0% | Q3 2026 |
| Chuck Royce Royce Investment Partners |
Held | 2,081,579 | $12M | 0.1% | Q3 2026 |
| Arrowstreet Capital | Added | 973,833 | $4M | 0.0% | Q2 2026 |
| Paul Tudor Jones Tudor Investment Corp |
Added | 837,913 | $4M | 0.0% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Trimmed | 813,971 | $4M | 0.0% | Q2 2026 |
| David Shaw D. E. Shaw & Co. |
Added | 669,182 | $3M | 0.0% | Q2 2026 |
| Jim Simons Renaissance Technologies |
Trimmed | 661,300 | $3M | 0.0% | Q2 2026 |
| Paul Marshall Marshall Wace |
New position | 441,704 | $2M | 0.0% | Q2 2026 |
| Steve Cohen Point72 Asset Management |
New position | 422,361 | $2M | 0.0% | Q2 2026 |
| Two Sigma Two Sigma Investments |
Added | 168,218 | $745,206 | 0.0% | Q2 2026 |
| Peter Muller PDT Partners |
Held | 86,869 | $384,830 | 0.0% | Q2 2026 |
| Alan Howard Brevan Howard |
New position | 10,438 | $46,240 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 14 |
| Q1 2026 | 12 |
| Q4 2025 | 12 |
| Q3 2025 | 15 |
| Q2 2025 | 10 |
| Q1 2025 | 11 |
| Q4 2024 | 7 |
| Q3 2024 | 7 |
Questions about Cytek Biosciences
Which superinvestors own Cytek Biosciences?
14 of the superinvestors we track hold Cytek Biosciences (CTKB) in their latest 13F filings, $115M in total. Mark Donovan, Zhang Lei, Acadian, Chuck Royce, Arrowstreet Capital, Paul Tudor Jones.
Who is the largest superinvestor holder of CTKB?
The largest holder is Mark Donovan (Boston Partners), with $34M, 0.0% of the portfolio.
From Cytek Biosciences's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.