Loading...
Loading...
Of the 11 tracked institutions holding CTKB, 6 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +1.7pt. It's a gauge of who owns the name, not just how many.
Among the 11 tracked institutional investors we monitor, CTKB (CYTEK BIOSCIENCES INC) is held with a combined value of $176.70M across 38,839,966 shares. The largest holder is BlackRock, Inc. with a position worth $42.43M. Point72 Asset Management, L.P. opened a new position in the most recent quarter. 5 funds increased their holdings. 4 funds reduced their position.
Total Institutional Value
$176.70M
Total Shares Held
38,839,966
Institutional Holders
11
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $42.43M | 0.00% | -43.7% |
| 2 | MILLENNIUM MANAGEMENT LLC | $41.37M | 0.03% | +48.4% |
| 3 | VANGUARD GROUP INC | $37.75M | 0.00% | +7.8% |
| 4 | HHLR ADVISORS, LTD. | $29.49M | 3.54% | - |
| 5 | STATE STREET CORP | $11.37M | 0.00% | -37.8% |
| 6 | AQR CAPITAL MANAGEMENT LLC | $3.61M | 0.00% | -10.8% |
| 7 | CITADEL ADVISORS LLC | $3.20M | 0.00% | +53.1% |
| 8 | RENAISSANCE TECHNOLOGIES LLC | $2.93M | 0.00% | -2.3% |
| 9 | FMR LLC | $2.23M | 0.00% | +78.0% |
| 10 | Point72 Asset Management, L.P. | $1.87M | 0.00% | New |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of CTKB with a position worth $42.43M, representing 0.00% of their portfolio. In total, 11 institutional investors hold CTKB with a combined value of $176.70M.
In the most recent quarter, 1 fund opened a new position in CTKB. Additionally, 5 increased their holdings and 4 reduced their positions.
Institutional investors hold $176.70M worth of CTKB stock across 11 positions. The largest institutional holder is BlackRock, Inc. with $42.43M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For CTKB, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their CTKB positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| 2026-08-04 |
SEC Schedule 13D (activist) and 13G (passive) filings for CTKB. Filed when an investor acquires 5%+ ownership.
Last Close
$5.50
2026-10-21
YTD
+11.8%
78% of 52-week range
