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Cytek Biosciences, Inc. (CTKB)

Price$4.67Cached quote
CTKBNasdaq
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Financial charts

Total cash / debt

CashTotal debt

Financial statements

6 annual periodsNewest to oldest
202520242023202220212020
Revenue$201.5M$200.5M$193.0M$164.0M$128.0M$92.8M
Gross profit$104.5M$111.1M$109.4M$101.0M$79.1M$51.7M
Gross margin51.84%55.43%56.69%61.56%61.86%55.70%
Research & development$36.5M$39.4M$44.2M$34.9M$24.4M$13.7M
Operating expenses$144.8M$131.6M$137.3M$102.8M$70.0M$38.1M
Operating income−$40.4M−$20.5M−$27.8M−$1.8M$9.2M$13.7M
Operating margin−20.04%−10.24%−14.43%−1.10%7.16%14.71%
EBITDA−$32.8M−$13.3M−$21.8M$688,000$10.4M$14.3M
EBITDA margin−16.28%−6.64%−11.29%0.42%8.13%15.36%
Net income−$66.5M−$6.0M−$12.1M$2.5M$3.0M$19.4M
Net profit margin−33.02%−3.00%−6.29%1.51%2.37%20.91%
Basic EPSper basic share-$0.52-$0.05-$0.09$0.02$0.00$0.11
Diluted EPSper diluted share-$0.52-$0.05-$0.09$0.02$0.00$0.10
Review official source filings ↗

Owners

Reported shareholders

Reference date Jun 30, 2026
BlackRock, Inc. · 7.37% of listed sharesMILLENNIUM MANAGEMENT LLC · 7.18% of listed sharesBoston Partners · 5.89% of listed sharesHHLR ADVISORS, LTD. · 5.12% of listed sharesTopline Capital Management, LLC · 4.83% of listed sharesJiang Wenbin · ≈4.21% of listed sharesVANGUARD CAPITAL MANAGEMENT LLC · 3.80% of listed sharesYan Ming · ≈3.69% of listed sharesGEODE CAPITAL MANAGEMENT, LLC · 2.35% of listed sharesDIMENSIONAL FUND ADVISORS LP · 2.01% of listed sharesSTATE STREET CORP · 1.97% of listed sharesGOLDMAN SACHS GROUP INC · 1.67% of listed sharesROYCE & ASSOCIATES LP · 1.60% of listed sharesRussell Investments Group, Ltd. · 1.16% of listed sharesACADIAN ASSET MANAGEMENT LLC · 1.06% of listed sharesBANK OF AMERICA CORP /DE/ · 1.01% of listed sharesVANGUARD PORTFOLIO MANAGEMENT LLC · 0.88% of listed sharesCHARLES SCHWAB INVESTMENT MANAGEMENT INC · 0.83% of listed sharesNORTHERN TRUST CORP · 0.77% of listed sharesHRT FINANCIAL LP · 0.77% of listed shares
7.37%of listed shares
BlackRock, Inc.9.58M shares · Jun 30, 2026
View holders
Top 20 reported holders of CTKB
Holder% owned
BlackRock, Inc.
7.37%9.58M shares
MILLENNIUM MANAGEMENT LLC
7.18%9.34M shares
Boston Partners
5.89%7.66M shares
HHLR ADVISORS, LTD.
5.12%6.66M shares
Topline Capital Management, LLC
4.83%6.28M shares
Jiang Wenbin
≈4.21%5.48M shares
VANGUARD CAPITAL MANAGEMENT LLC
3.80%4.94M shares
Yan Ming
≈3.69%4.8M shares
GEODE CAPITAL MANAGEMENT, LLC
2.35%3.06M shares
DIMENSIONAL FUND ADVISORS LP
2.01%2.62M shares
STATE STREET CORP
1.97%2.57M shares
GOLDMAN SACHS GROUP INC
1.67%2.17M shares
ROYCE & ASSOCIATES LP
1.60%2.08M shares
Russell Investments Group, Ltd.
1.16%1.51M shares
ACADIAN ASSET MANAGEMENT LLC
1.06%1.38M shares
BANK OF AMERICA CORP /DE/
1.01%1.32M shares
VANGUARD PORTFOLIO MANAGEMENT LLC
0.88%1.14M shares
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
0.83%1.07M shares
NORTHERN TRUST CORP
0.77%1M shares
HRT FINANCIAL LP
0.77%997.77K shares

Percentages use 129.98M shares of this listed class outstanding on Jun 30, 2026. ≈ compares the latest reported holding with a share total from a different date; it is not a confirmed current stake.

Gray completes the 100% scale. Reported positions may overlap; holders have different reporting dates.

Source: SEC Form 13F ↗Updated Sep 29, 2026 · Quarterly data

Insider buys & sells

Jul 1, 2024–Jun 30, 2026
Buys1$97.3K disclosed value
Sells (SEC code S)0$0.00 disclosed value
1 recent transactions
TransactionInsiderTypeSharesPriceValueOwned after
Jun 2, 2025Form 4McCombe William D.Chief Financial OfficerBuyCommon Stock35.0K$2.78$97.3K55.7K
Review ownership filings at SEC.gov ↗

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