CYTEK BIOSCIENCES INC CTKB
$4.59
+0.2% 52w: $2.95 – $5.88
Latest 13F among current holders filed 33 days ago (Jun 2, 2026)
Price — last 12 months
research preview data2.954.425.88
Jun 20, 2025 Jul 2, 2026
Institutional holders
165
+10 QoQ
13F value
$371.8M
-10.3% QoQ
Smart-money holders
4
signal tier ≥ 2
New smart buyers
0
Q1 2026
Options barometer
2.9×
$71K calls / $24K puts
Institutional value by quarter
Number of holders
Who owns CTKB?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | Index provider | 17.0M | $74.3M | 0.0% | -1.0% |
| Topline Capital Management, LLC ★3 | Fundamental concentrated | 7.1M | $30.9M | 5.1% | -5.1% |
| HHLR ADVISORS, LTD. ★3 | Fundamental concentrated | 6.7M | $29.1M | 1.7% | Held |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 6.3M | $27.5M | 0.0% | +32.4% |
| Boston Partners | Other | 5.8M | $25.4M | 0.0% | +15.9% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 4.8M | $20.8M | 0.0% | — |
| STATE STREET CORP | Index provider | 4.1M | $18.0M | 0.0% | -0.6% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 2.8M | $12.4M | 0.0% | +1.6% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 2.7M | $11.6M | 0.0% | +0.6% |
| GOLDMAN SACHS GROUP INC | Bank broker | 2.3M | $10.2M | 0.0% | +31.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 2.3M | $10.1M | 0.0% | — |
| MORGAN STANLEY | Bank broker | 1.7M | $7.5M | 0.0% | +1.1% |
| ROYCE & ASSOCIATES LP | Other | 1.6M | $7.2M | 0.1% | -3.0% |
| BROWN CAPITAL MANAGEMENT LLC ★2 | Fundamental diversified | 1.5M | $6.5M | 0.9% | -28.6% |
| Russell Investments Group, Ltd. | Diversified mechanical | 1.4M | $5.9M | 0.0% | +35.8% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 1.1M | $4.8M | 0.0% | +0.9% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 1.0M | $4.4M | 0.0% | +17.9% |
| NORTHERN TRUST CORP | Index provider | 1.0M | $4.4M | 0.0% | +5.0% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 912.3K | $4.0M | 0.0% | +22.7% |
| Simcoe Capital LLC ★2 | Fundamental diversified | 882.1K | $3.9M | 3.5% | +195.6% |
| CenterBook Partners LP | Other | 729.9K | $3.2M | 0.2% | New |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 717.0K | $3.1M | 0.0% | — |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 676.7K | $3.0M | 0.0% | +0.3% |
| Bank of New York Mellon Corp | Diversified mechanical | 608.6K | $2.7M | 0.0% | -4.6% |
| PRINCIPAL FINANCIAL GROUP INC | Diversified mechanical | 534.8K | $2.3M | 0.0% | -19.8% |
| CITADEL ADVISORS LLC | Multistrat pod | 471.4K | $2.1M | 0.0% | +182.7% |
| HRT FINANCIAL LP | Diversified mechanical | 414.1K | $1.8M | 0.0% | -5.4% |
| ACADIAN ASSET MANAGEMENT LLC | Quant stat arb | 399.0K | $1.7M | 0.0% | -40.8% |
| Public Sector Pension Investment Board | Pension sovereign | 394.7K | $1.7M | 0.0% | +4.1% |
| Invesco Ltd. | Index provider | 388.2K | $1.7M | 0.0% | -2.6% |
| TUDOR INVESTMENT CORP ET AL | Quant stat arb | 320.7K | $1.4M | 0.0% | New |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Quant stat arb | 319.9K | $1.4M | 0.0% | -11.5% |
| JPMORGAN CHASE & CO | Bank broker | 299.1K | $1.3M | 0.0% | -9.1% |
| FMR LLC | Long only active | 283.4K | $1.2M | 0.0% | +21.1% |
| AMERICAN CENTURY COMPANIES INC | Diversified mechanical | 281.7K | $1.2M | 0.0% | -1.0% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 260.1K | $1.1M | 0.0% | -1.1% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Other | 257.3K | $1.1M | 0.0% | -2.6% |
| RHUMBLINE ADVISERS | Diversified mechanical | 254.6K | $1.1M | 0.0% | +1.9% |
| Nuveen, LLC | Diversified mechanical | 245.5K | $1.1M | 0.0% | -3.3% |
| Connor, Clark & Lunn Investment Management Ltd. | Diversified mechanical | 241.5K | $1.1M | 0.0% | -18.3% |
| AMERIPRISE FINANCIAL INC | Bank broker | 187.3K | $818K | 0.0% | -7.4% |
| UBS Group AG | Bank broker | 186.9K | $817K | 0.0% | -59.4% |
| Legal & General Group Plc | Diversified mechanical | 182.9K | $799K | 0.0% | -3.0% |
| ALLIANCEBERNSTEIN L.P. | Long only active | 141.0K | $712K | 0.0% | Held |
| IEQ CAPITAL, LLC | Diversified mechanical | 144.4K | $631K | 0.0% | +16.5% |
| VOYA INVESTMENT MANAGEMENT LLC | Diversified mechanical | 141.4K | $618K | 0.0% | +44.5% |
| PRUDENTIAL FINANCIAL INC | Insurance | 117.6K | $514K | 0.0% | +10.1% |
| FRANKLIN RESOURCES INC | Long only active | 114.0K | $498K | 0.0% | +1000.4% |
| Numerai GP LLC | Quant stat arb | 112.5K | $491K | 0.0% | -39.8% |
| GSA CAPITAL PARTNERS LLP | Diversified mechanical | 109.1K | $477K | 0.0% | New |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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