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Not Investment Advice

CTKB NASDAQ

Cytek Biosciences, Inc.
1W: +17.9% 1M: -14.8% 3M: -10.6% YTD: -19.5% 1Y: +48.9% 3Y: -42.5%
$4.01
+0.05 (+1.26%)
 
Weekly Expected Move ±10.3%
$3 $3 $3 $4 $4
NASDAQ · Healthcare · Medical - Devices · Alpha Radar Strong Sell · Power 27 · $517.9M mcap · 118M float · 0.671% daily turnover · Short 57% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
175
Institutions Holding
+1 vs prior
58.1%
Ownership
-20.95%
21 New
57 Increased
77 Reduced
33 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-05-18 McCombe William D. officer: chief financial officer F-Tax Withholding 3,839 $3.55 $14K Filing
2026-05-18 Jiang Wenbin officer: president and ceo F-Tax Withholding 1,913 $3.55 $7K Filing
2026-05-18 Jiang Wenbin officer: president and ceo F-Tax Withholding 3,588 $3.55 $13K Filing
2026-05-18 McCombe William D. officer: chief financial officer F-Tax Withholding 3,122 $3.55 $11K Filing
2026-05-18 McCombe William D. officer: chief financial officer F-Tax Withholding 2,268 $3.55 $8K Filing
2026-05-18 Jiang Wenbin officer: president and ceo F-Tax Withholding 15,009 $3.55 $53K Filing
2026-05-18 Barnett Valerie officer: chief legal officer F-Tax Withholding 881 $3.55 $3K Filing
2026-05-18 Jiang Wenbin officer: president and ceo F-Tax Withholding 5,032 $3.55 $18K Filing
2026-05-18 Barnett Valerie officer: chief legal officer F-Tax Withholding 2,602 $3.55 $9K Filing
2026-05-18 Barnett Valerie officer: chief legal officer F-Tax Withholding 3,386 $3.55 $12K Filing
2026-05-18 Yan Ming officer: chief technology officer F-Tax Withholding 1,224 $3.55 $4K Filing
2026-05-18 Yan Ming officer: chief technology officer F-Tax Withholding 919 $3.55 $3K Filing
2026-05-18 Yan Ming officer: chief technology officer F-Tax Withholding 1,025 $3.55 $4K Filing
2026-05-18 Yan Ming officer: chief technology officer F-Tax Withholding 2,364 $3.55 $8K Filing
2026-05-18 Busque Philippe officer: svp, global sales and services F-Tax Withholding 263 $3.55 $934 Filing
2026-05-18 Busque Philippe officer: svp, global sales and services F-Tax Withholding 378 $3.55 $1K Filing
2026-05-18 Busque Philippe officer: svp, global sales and services F-Tax Withholding 620 $3.55 $2K Filing
2026-05-18 Busque Philippe officer: svp, global sales and services F-Tax Withholding 1,424 $3.55 $5K Filing
2026-05-18 Barnett Valerie officer: chief legal officer F-Tax Withholding 1,850 $3.55 $7K Filing
2026-03-13 Yan Ming officer: chief technology officer G-Gift 1,176,000 $— $0 Filing
2026-03-10 Barnett Valerie officer: chief legal officer F-Tax Withholding 5,740 $4.23 $24K Filing
2026-03-10 Barnett Valerie officer: chief legal officer F-Tax Withholding 4,247 $4.23 $18K Filing
2026-03-10 Barnett Valerie officer: chief legal officer F-Tax Withholding 1,761 $4.23 $7K Filing
2026-02-18 Barnett Valerie officer: chief legal officer F-Tax Withholding 525 $4.20 $2K Filing
2026-02-18 Yan Ming officer: chief technology officer F-Tax Withholding 395 $4.20 $2K Filing

🏛️ Congressional Trades

0 records
Date Politician Chamber Type Amount Filing
No congressional trades found

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
BlackRock, Inc. 17,007,269 $74M -165,759 2026-03-31 Filing
Topline Capital Management, LLC 7,064,481 $31M -377,985 2026-03-31 Filing
HHLR ADVISORS, LTD. 6,657,030 $29M 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 4,762,904 $21M +4,762,904 2026-03-31 Filing
STATE STREET CORP 4,123,748 $18M -23,216 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 2,833,955 $12M +43,381 2026-03-31 Filing
DIMENSIONAL FUND ADVISORS LP 2,663,329 $12M +16,438 2026-03-31 Filing
GOLDMAN SACHS GROUP INC 2,344,735 $10M +554,821 2026-03-31 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 2,311,858 $10M +2,311,858 2026-03-31 Filing
ROYCE & ASSOCIATES LP 1,642,368 $7M -50,289 2026-03-31 Filing
BROWN CAPITAL MANAGEMENT LLC 1,480,506 $6M -592,409 2026-03-31 Filing
Russell Investments Group, Ltd. 1,359,900 $6M +358,773 2026-03-31 Filing
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1,104,601 $5M +10,062 2026-03-31 Filing
BANK OF AMERICA CORP /DE 1,009,054 $4M +152,893 2026-03-31 Filing
NORTHERN TRUST CORP 1,005,193 $4M +47,599 2026-03-31 Filing
AQR CAPITAL MANAGEMENT LLC 912,342 $4M +168,887 2026-03-31 Filing
Simcoe Capital LLC 882,113 $4M +583,652 2026-03-31 Filing
CenterBook Partners LP 729,874 $3M +729,874 2026-03-31 Filing
VANGUARD FIDUCIARY TRUST CO 717,011 $3M +717,011 2026-03-31 Filing
RENAISSANCE TECHNOLOGIES LLC 676,700 $3M +1,700 2026-03-31 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms