| $350M | ||
| $172M | ||
| $127M | ||
| $109M | ||
| $107M | ||
| $100M |
Buys | $0 | 0 | – |
Sells | $0 | 0 | – |
Cytek Biosciences, Inc. is a company dedicated to cell analysis solutions, offering advanced tools that facilitate scientific progress in both biomedical research and clinical settings. Their primary offerings include the Aurora and Northern Lights spectrum flow cytometers. These instruments conduct comprehensive cell analysis by leveraging fluorescence signatures from multiple lasers to differentiate between various fluorescent tags on individual cells. Complementing these, the Aurora Cell Sorter system utilizes full spectrum profiling technology to broaden the range of potential applications in cell analysis. Beyond instrumentation, Cytek provides essential reagents and kits. These include cFluor reagents, which are antibodies conjugated with fluorochromes, specifically designed to identify target cells for analysis on their systems. They also offer a 25-color immunoprofiling assay, a ready-to-use solution for pinpointing major human immune cell subpopulations like TBNK cells, monocytes, dendritic cells, and basophils. To streamline laboratory operations, the company offers automated micro-sampling and sample loader systems. These automated plate loaders are engineered to integrate seamlessly with the Aurora and Northern Lights systems. The intuitive SpectroFlo software accompanies these systems, simplifying the workflow from quality control through to data analysis. Cytek also provides comprehensive customer support resources. Cytek's diverse client base includes pharmaceutical and biopharmaceutical companies, academic research institutions, and clinical research organizations. The company distributes its products through a direct sales force and dedicated support teams in North America, Europe, China, and the Asia-Pacific region. Additionally, it partners with distributors and sales agents to serve markets across European, Latin American, Middle Eastern, and other Asia-Pacific countries. Originally established in 1992 as Cytoville, Inc., the company officially adopted the name Cytek Biosciences, Inc. in August 2015. Its corporate headquarters are situated in Fremont, California.
Over the last 12 months, insiders at Cytek Biosciences, Inc. have bought $0 and sold $0 worth of Cytek Biosciences, Inc. stock.
On average, over the past 5 years, insiders at Cytek Biosciences, Inc. have bought $42.3M and sold $5.48M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 35,000 shares for transaction amount of $97,300 was made by McCombe William D. (Chief Financial Officer) on 2025‑06‑02.
| 2025-06-02 | McCombe William D. | Chief Financial Officer | 35,000 0.0271% | $2.78 | $97,300 | +48.06% | ||
| 2024-04-19 | Sale | Yan Ming | CHIEF TECHNOLOGY OFFICER | 20,000 0.0152% | $5.87 | $117,400 | -5.24% | |
| 2024-04-09 | Sale | Yan Ming | CHIEF TECHNOLOGY OFFICER | 1,900 0.0015% | $7.00 | $13,304 | -18.52% | |
| 2024-03-19 | Sale | Yan Ming | CHIEF TECHNOLOGY OFFICER | 20,000 0.0153% | $6.71 | $134,200 | -14.48% | |
| 2024-03-18 | Sale | Yan Ming | CHIEF TECHNOLOGY OFFICER | 20,000 0.0152% | $6.77 | $135,400 | -15.66% | |
| 2023-12-26 | Sale | Jeanmonod Patrik | Chief Financial Officer | 3,000 0.0022% | $9.50 | $28,500 | -34.67% | |
| 2023-12-19 | Sale | Yan Ming | Chief Technology Officer | 20,000 0.0147% | $9.43 | $188,600 | -34.74% | |
| 2023-11-24 | Sale | Jeanmonod Patrik | Chief Financial Officer | 3,000 0.0022% | $6.94 | $20,820 | -11.30% | |
| 2023-11-20 | Sale | Yan Ming | Chief Technology Officer | 20,000 0.0146% | $6.03 | $120,600 | +1.97% | |
| 2023-11-07 | Sale | Jiang Wenbin | President and CEO | 20,000 0.0143% | $4.34 | $86,800 | +38.88% | |
| 2023-10-24 | Sale | Jeanmonod Patrik | Chief Financial Officer | 3,000 0.0022% | $4.68 | $14,040 | +29.68% | |
| 2023-10-19 | Sale | Yan Ming | Chief Technology Officer | 20,000 0.0149% | $4.80 | $96,000 | +30.44% | |
| 2023-10-09 | Sale | Jiang Wenbin | President and CEO | 20,000 0.0146% | $5.33 | $106,600 | +14.71% | |
| 2023-09-25 | Sale | Jeanmonod Patrik | Chief Financial Officer | 3,000 0.0022% | $6.38 | $19,140 | -3.89% | |
| 2023-09-19 | Sale | Yan Ming | Chief Technology Officer | 20,000 0.0148% | $6.49 | $129,800 | -3.58% | |
| 2023-09-07 | Sale | Jiang Wenbin | President and CEO | 20,000 0.0146% | $6.83 | $136,600 | -8.59% | |
| 2023-08-24 | Sale | Jeanmonod Patrik | Chief Financial Officer | 3,000 0.0021% | $7.69 | $23,070 | -15.96% | |
| 2023-08-21 | Sale | Yan Ming | Chief Technology Officer | 20,000 0.0148% | $8.07 | $161,400 | -20.65% | |
| 2023-08-07 | Sale | Jiang Wenbin | President and CEO | 20,000 0.0145% | $9.04 | $180,800 | -29.33% | |
| 2023-07-24 | Sale | Jeanmonod Patrik | Chief Financial Officer | 3,000 0.0022% | $9.17 | $27,510 | -27.77% |
| RA CAPITAL MANAGEMENT, L.P. | director, 10 percent owner | 13381054 10.3615% | $62.89M | 21 | 0 | <0.0001% |
| Shah Rajeev M. | 13381054 10.3615% | $62.89M | 3 | 0 | <0.0001% | |
| Yan Ming | CHIEF TECHNOLOGY OFFICER | 5988502 4.6371% | $28.15M | 0 | 33 | |
| Jiang Wenbin | President and CEO | 5275796 4.0852% | $24.8M | 0 | 23 | |
| Jeanmonod Patrik | Chief Financial Officer | 93400 0.0723% | $438,980.00 | 0 | 20 | |
| McCombe William D. | Chief Financial Officer | 55746 0.0432% | $262,006.20 | 1 | 0 | +48.06% |
| Poirson Allen | SVP Marketing and Corp. Dev. | 40383 0.0313% | $189,800.10 | 1 | 0 | <0.0001% |
| Dion Gisele | director | 5000 0.0039% | $23,500.00 | 1 | 0 | <0.0001% |
| Ball Jack | director | 3000 0.0023% | $14,100.00 | 1 | 2 | <0.0001% |
| Barnett Valerie | General Counsel | 1900 0.0015% | $8,930.00 | 1 | 0 | <0.0001% |
| Increased Positions | 76 | +43.43% | 12M | +14.46% |
| Decreased Positions | 77 | -44% | 9M | -11.59% |
| New Positions | 22 | New | 883,435 | New |
| Sold Out Positions | 17 | Sold Out | 1M | Sold Out |
| Total Postitions | 174 | -0.57% | 82M | +2.87% |
| Blackrock, Inc. | $81,415.00 | 12.93% | 16.55M | -487,842 | -2.86% | 2025-09-30 |
| Topline Capital Management, Llc | $34,166.00 | 5.43% | 6.94M | +2M | +32.75% | 2025-09-30 |
| Vanguard Group Inc | $34,113.00 | 5.42% | 6.93M | -831,634 | -10.71% | 2025-09-30 |
| Hhlr Advisors, Ltd. | $32,753.00 | 5.2% | 6.66M | 0 | 0% | 2025-09-30 |
| Brown Capital Management Llc | $24,393.00 | 3.87% | 4.96M | -2M | -30.27% | 2025-09-30 |
| State Street Corp | $20,095.00 | 3.19% | 4.08M | -89,395 | -2.14% | 2025-09-30 |
| Millennium Management Llc | $16,818.00 | 2.67% | 3.42M | +2M | +269.65% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $15,832.00 | 2.51% | 3.22M | -237,018 | -6.86% | 2025-09-30 |
| Geode Capital Management, Llc | $13,695.00 | 2.17% | 2.78M | +53,856 | +1.97% | 2025-09-30 |
| Wellington Management Group Llp | $12,502.00 | 1.99% | 2.54M | +3M | New | 2025-09-30 |