As of the latest SEC filings, Cytek Biosciences, Inc. (CTKB) is held by 186 institutional funds. The largest fund shareholder is iShares Core S&P Small-Cap ETF (IJR), holding an estimated $28,822,693.34 in market value, representing 0.03% of its portfolio.
Funds holding Cytek Biosciences, Inc. (CTKB)
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- CTKB
- CIK:
- 0001831915
| Fund | Type | Manager | Weight | Market Value | Shares |
Report Date
|
Filing Date
|
|---|---|---|---|---|---|---|---|
|
IJR
iShares Core S&P Small-Cap ETF
|
ETF | BlackRock / iShares | 0.03% | $28,822,693.34 | 6,595,582 | Mar 31, 2026 | May 26, 2026 |
|
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $14,907,153.76 | 3,411,248 | Mar 31, 2026 | May 28, 2026 |
|
IWM
iShares Russell 2000 ETF
|
ETF | BlackRock / iShares | 0.02% | $12,710,992.78 | 2,908,694 | Mar 31, 2026 | May 28, 2026 |
|
CFSSX
Column Small Cap Select Fund
|
MF | Independent / Boutique | 0.45% | $7,810,785.92 | 1,743,479 | Feb 28, 2026 | Apr 23, 2026 |
|
VEMPX
VANGUARD EXTENDED MARKET INDEX FUND
|
ETF | Vanguard | 0.01% | $5,373,710.34 | 1,229,682 | Mar 31, 2026 | May 28, 2026 |
|
FSSNX
Fidelity Small Cap Index Fund
|
MF | Fidelity | 0.02% | $5,303,325.60 | 1,163,010 | Apr 30, 2026 | Jun 26, 2026 |
|
BCSIX
Brown Capital Management Small Company Fund
|
MF | Independent / Boutique | 1.44% | $4,630,080.55 | 1,059,515 | Mar 31, 2026 | May 27, 2026 |
|
IWN
iShares Russell 2000 Value ETF
|
ETF | BlackRock / iShares | 0.04% | $4,437,896.69 | 1,015,537 | Mar 31, 2026 | May 28, 2026 |
|
RMT
ROYCE MICRO-CAP TRUST, INC.
|
CEF | Independent / Boutique | 0.63% | $4,366,923.52 | 999,296 | Mar 31, 2026 | May 21, 2026 |
|
SPSM
State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF
|
ETF | State Street (SPDR) | 0.03% | $4,290,811.23 | 981,879 | Mar 31, 2026 | May 28, 2026 |
|
IBB
iShares Biotechnology ETF
|
ETF | BlackRock / iShares | 0.05% | $3,796,332.62 | 868,726 | Mar 31, 2026 | May 28, 2026 |
|
VTSIX
VANGUARD TAX-MANAGED SMALL-CAP FUND
|
MF | Vanguard | 0.03% | $3,366,953.90 | 770,470 | Mar 31, 2026 | May 28, 2026 |
|
WPGSX
WPG Partners Select Small Cap Value Fund
|
MF | Independent / Boutique | 1.49% | $3,104,353.28 | 692,936 | Feb 28, 2026 | Apr 28, 2026 |
|
IJT
iShares S&P Small-Cap 600 Growth ETF
|
ETF | BlackRock / iShares | 0.04% | $2,712,882.89 | 620,797 | Mar 31, 2026 | May 28, 2026 |
|
VTWO
VANGUARD RUSSELL 2000 INDEX FUND
|
ETF | Vanguard | 0.02% | $2,611,799.68 | 582,991 | Feb 28, 2026 | Apr 28, 2026 |
|
FSMAX
Fidelity Extended Market Index Fund
|
MF | Fidelity | 0.01% | $2,601,119.36 | 580,607 | Feb 28, 2026 | Apr 24, 2026 |
|
DFSTX
U.S. SMALL CAP PORTFOLIO
|
MF | Dimensional Fund Advisors | 0.01% | $2,584,439.28 | 566,763 | Apr 30, 2026 | Jun 24, 2026 |
|
SCHA
Schwab U.S. Small-Cap ETF
|
ETF | Charles Schwab | 0.01% | $2,412,058.88 | 538,406 | Feb 28, 2026 | Apr 24, 2026 |
|
GTTUX
Goldman Sachs Small Cap Value Insights Fund
|
MF | Goldman Sachs | 0.20% | $2,174,942.16 | 476,961 | Apr 30, 2026 | Jun 22, 2026 |
|
RMCFX
Royce Micro-Cap Fund
|
MF | Independent / Boutique | 0.65% | $2,087,094.52 | 477,596 | Mar 31, 2026 | May 21, 2026 |
|
DFAS
Dimensional U.S. Small Cap ETF
|
ETF | Dimensional Fund Advisors | 0.01% | $1,950,229.92 | 427,682 | Apr 30, 2026 | Jun 29, 2026 |
|
DFSCX
U.S. MICRO CAP PORTFOLIO
|
MF | Dimensional Fund Advisors | 0.02% | $1,703,488.32 | 373,572 | Apr 30, 2026 | Jun 24, 2026 |
|
VIOO
VANGUARD S&P SMALL-CAP 600 INDEX FUND
|
ETF | Vanguard | 0.03% | $1,691,621.12 | 377,594 | Feb 28, 2026 | Apr 28, 2026 |
|
IJS
iShares S&P Small-Cap 600 Value ETF
|
ETF | BlackRock / iShares | 0.02% | $1,662,544.65 | 380,445 | Mar 31, 2026 | May 26, 2026 |
|
SLYG
State Street(R) SPDR(R) S & P 600(TM) Small Cap Growth ETF
|
ETF | State Street (SPDR) | 0.04% | $1,647,612.36 | 377,028 | Mar 31, 2026 | May 28, 2026 |
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