NASDAQ:CTKB | Included in ETF | Cytek Biosciences, Inc.

CTKB included in ETFs

Dates are bounded by retained official portfolio snapshots; baseline presence is never presented as an original addition date.

Current ETFs holding CTKB

68 latest ETF portfolios currently report this security. This page shows rows 1–68 of 68.

ETFFundWeightAdded / first observedLatest report
RMTROYCE MICRO-CAP TRUST, INC.0.634515%2026-03-312026-03-31
PSCHInvesco S&P SmallCap Health Care ETF0.293415%2026-02-282026-02-28
SQLVRoyce Quant Small-Cap Quality Value ETF0.257144%2025-09-302026-03-31
RUSCRussell Investments U.S. Small Cap Equity ETF0.151169%2026-03-312026-03-31
FSMLFranklin Small Cap Enhanced ETF0.108882%Present before retained history; addition date unavailable2026-03-31
GSSCGoldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF0.063836%2024-08-312026-02-28
IBBiShares Biotechnology ETF0.046738%2026-03-312026-03-31
IJTiShares S&P Small-Cap 600 Growth ETF0.041705%2026-03-312026-03-31
SLYGState Street(R) SPDR(R) S & P 600(TM) Small Cap Growth ETF0.041441%2026-03-312026-03-31
QVMSInvesco S&P SmallCap 600 QVM Multi-Factor ETF0.040848%2026-02-282026-02-28
VIOGVANGUARD S&P SMALL-CAP 600 GROWTH INDEX FUND0.040024%2026-02-282026-02-28
XJRiShares ESG Select Screened S&P Small-Cap ETF0.036006%2023-06-302026-03-31
IWNiShares Russell 2000 Value ETF0.035615%2026-03-312026-03-31
VRTVXVANGUARD RUSSELL 2000 VALUE INDEX FUND0.035265%2026-02-282026-02-28
VTWVVANGUARD RUSSELL 2000 VALUE INDEX FUND0.035265%2026-02-282026-02-28
IJRiShares Core S&P Small-Cap ETF0.031333%2023-06-302026-03-31
VIOOVANGUARD S&P SMALL-CAP 600 INDEX FUND0.031273%2026-02-282026-02-28
VSMSXVANGUARD S&P SMALL-CAP 600 INDEX FUND0.031273%2026-02-282026-02-28
SPSMState Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF0.030933%2026-03-312026-03-31
FESMFidelity Enhanced Small Cap ETF0.029148%2026-03-312026-03-31
RESMColumbia Research Enhanced Small Cap ETF0.025534%2026-03-312026-03-31
OMFSInvesco Russell 2000 Dynamic Multifactor ETF0.024032%2026-02-282026-02-28
SLYVState Street(R) SPDR(R) S & P 600(TM) Small Cap Value ETF0.023474%2026-03-312026-03-31
VIOVVANGUARD S&P SMALL-CAP 600 VALUE INDEX FUND0.022143%2026-02-282026-02-28
VSMVXVANGUARD S&P SMALL-CAP 600 VALUE INDEX FUND0.022143%2026-02-282026-02-28
IJSiShares S&P Small-Cap 600 Value ETF0.021932%2023-06-302026-03-31
SAAProShares Ultra SmallCap6000.021836%2026-02-282026-02-28
PRFZInvesco RAFI US 1500 Small-Mid ETF0.021727%2026-04-302026-04-30
IWMiShares Russell 2000 ETF0.017675%2026-03-312026-03-31
VRTIXVANGUARD RUSSELL 2000 INDEX FUND0.017201%2026-02-282026-02-28
VTWOVANGUARD RUSSELL 2000 INDEX FUND0.017201%2026-02-282026-02-28
RSSLGlobal X Russell 2000 ETF0.016276%2026-04-302026-04-30
ITWOProShares Russell 2000 High Income ETF0.014692%2026-02-282026-02-28
DFASDimensional U.S. Small Cap ETF0.013887%2026-04-302026-04-30
RWJInvesco S&P SmallCap 600 Revenue ETF0.011761%2026-02-282026-02-28
SCHASchwab U.S. Small-Cap ETF0.011625%2026-02-282026-02-28
UWMProShares Ultra Russell20000.011516%2026-02-282026-02-28
URTYProShares UltraPro Russell20000.009556%2026-02-282026-02-28
VHCIXVANGUARD HEALTH CARE INDEX FUND0.007224%2026-02-282026-02-28
VHTVANGUARD HEALTH CARE INDEX FUND0.007224%2026-02-282026-02-28
VEMPXVANGUARD EXTENDED MARKET INDEX FUND0.006593%2026-03-312026-03-31
VEXAXVANGUARD EXTENDED MARKET INDEX FUND0.006593%2026-03-312026-03-31
VEXMXVANGUARD EXTENDED MARKET INDEX FUND0.006593%2026-03-312026-03-31
VIEIXVANGUARD EXTENDED MARKET INDEX FUND0.006593%2026-03-312026-03-31
VXFVANGUARD EXTENDED MARKET INDEX FUND0.006593%2026-03-312026-03-31
DXUVDimensional US Vector Equity ETF0.004143%2026-04-302026-04-30
DFACDimensional U.S. Core Equity 2 ETF0.003263%2026-04-302026-04-30
MSSMMorgan Stanley Pathway Small-Mid Cap Equity ETF0.002779%2026-02-282026-02-28
DFSUDimensional US Sustainability Core 1 ETF0.002268%2026-04-302026-04-30
HDGProShares Hedge Replication ETF0.002203%2026-02-282026-02-28
DCORDimensional US Core Equity 1 ETF0.001882%2026-04-302026-04-30
DFSVDimensional US Small Cap Value ETF0.001108%2026-04-302026-04-30
DFAUDimensional US Core Equity Market ETF0.001065%2026-04-302026-04-30
VLUState Street(R) SPDR(R) S&P(R) 1500 Value Tilt ETF0.000933%2026-03-312026-03-31
VRTTXVANGUARD RUSSELL 3000 INDEX FUND0.00082%2026-02-282026-02-28
VTHRVANGUARD RUSSELL 3000 INDEX FUND0.00082%2026-02-282026-02-28
VITSXVANGUARD TOTAL STOCK MARKET INDEX FUND0.000748%2026-03-312026-03-31
VSMPXVANGUARD TOTAL STOCK MARKET INDEX FUND0.000748%2026-03-312026-03-31
VSTSXVANGUARD TOTAL STOCK MARKET INDEX FUND0.000748%2026-03-312026-03-31
VTIVANGUARD TOTAL STOCK MARKET INDEX FUND0.000748%2026-03-312026-03-31
VTSAXVANGUARD TOTAL STOCK MARKET INDEX FUND0.000748%2026-03-312026-03-31
VTSMXVANGUARD TOTAL STOCK MARKET INDEX FUND0.000748%2026-03-312026-03-31
IWViShares Russell 3000 ETF0.000723%2022-09-302026-03-31
SCHBSchwab U.S. Broad Market ETF0.000711%2026-02-282026-02-28
DFUSDimensional U.S. Equity Market ETF0.000705%2026-04-302026-04-30
ITOTiShares Core S&P Total U.S. Stock Market ETF0.000635%2026-03-312026-03-31
SPTMState Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF0.000619%2026-03-312026-03-31
MMTMState Street(R) SPDR(R) S&P(R) 1500 Momentum Tilt ETF0.000323%2026-03-312026-03-31