CYTEK BIOSCIENCES INC

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CTKB·23285D109·US·equity·Healthcare - Medical Devices-13D/G

CTKB (CYTEK BIOSCIENCES INC) is held by 98 institutional investors as of Q1 2026. Largest holders: BlackRock, Inc. ($74.3M), HHLR ADVISORS, LTD. ($29.1M), MILLENNIUM MANAGEMENT LLC ($27.5M). Net institutional sentiment: Mixed.

98

Holders

Avg rating(10 Elite)

$284.3M

Total Value

57% (104)

Fund Consensus

54 buying - 41 selling

Smart Money Verdict

View all

49Weak MomentumSplit Signals

Institutional (13F)48

Insider (Form 4)51

Activist (13D/13G)49

Congressional (STOCK Act)

No data

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See how CTKB's score breaks down across 4 SEC sources

Holder Quality

10

★★★★★

Elite

31

★★★★

Strong

36

★★★

Solid

22

★★

Below

5

★

Weak

Held by 98 funds

10 elite

Who's Trading

ActivistMillennium Management LLC5.2%

13F: Mar 31, 2026Insider & Congress: Updated regularly

Positions (104)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	17M(-1.0%)	$74.3M	0.0%	-47.65%	0
HHLR ADVISORS, LTD.	Unchanged	6.7M	$29.1M	1.7%	-83.78%	0
MILLENNIUM MANAGEMENT LLC	Increased	6.3M(+32.4%)	$27.5M	0.0%	-19.72%	37
Boston Partners	Increased	5.8M(+15.9%)	$25.4M	0.0%	-31.27%	33
STATE STREET CORP	Decreased	4.1M(-0.6%)	$18M	0.0%	-60.68%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	2.8M(+1.6%)	$12.4M	0.0%	-69.26%	28
DIMENSIONAL FUND ADVISORS LP	Increased	2.7M(+0.6%)	$11.6M	0.0%	-36.60%	28
GOLDMAN SACHS GROUP INC	Increased	2.3M(+31.0%)	$10.2M	0.0%	-32.57%	35
MORGAN STANLEY	Increased	1.7M(+1.1%)	$7.5M	0.0%	-26.26%	28
ROYCE & ASSOCIATES LP	Decreased	1.6M(-3.0%)	$7.2M	0.1%	-19.81%	0
Russell Investments Group, Ltd.	Increased	1.4M(+35.8%)	$5.9M	0.0%	-27.84%	35
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	1.1M(+0.9%)	$4.8M	0.0%	-64.45%	27
BANK OF AMERICA CORP /DE/	Increased	1M(+17.9%)	$4.4M	0.0%	-31.41%	31
NORTHERN TRUST CORP	Increased	1M(+5.0%)	$4.4M	0.0%	-68.95%	28
AQR CAPITAL MANAGEMENT LLC	Increased	912,342(+22.7%)	$4M	0.0%	-17.20%	32
RENAISSANCE TECHNOLOGIES LLC	Increased	676,700(+0.3%)	$3M	0.0%	-28.52%	26
Bank of New York Mellon Corp	Decreased	608,647(-4.6%)	$2.7M	0.0%	-65.37%	0
PRINCIPAL FINANCIAL GROUP INC	Decreased	534,759(-19.8%)	$2.3M	0.0%	-51.01%	0
CITADEL ADVISORS LLC	Increased	471,392(+182.7%)	$2.1M	0.0%	-25.28%	42
PUBLIC SECTOR PENSION INVESTMENT BOARD	Increased	394,718(+4.1%)	$1.7M	0.0%	-45.75%	27