CTKB — CYTEK BIOSCIENCES INC

Ownership history in BROWN CAPITAL MANAGEMENT LLC  ·  14 quarters on record

AI Ownership Summary

BROWN CAPITAL MANAGEMENT LLC reported CYTEK BIOSCIENCES INC (CTKB) in 14 quarterly 13F filings from 2023 Q3 through 2025 Q4. Peak portfolio weight reached 1.64% in 2023 Q4. The latest visible filing shows CTKB at 0.86% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this CTKB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was BROWN CAPITAL MANAGEMENT LLC's position in CYTEK BIOSCIENCES INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

CTKB was reported at 0.86% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.64% in 2023 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q3 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

CTKB stock page BROWN CAPITAL MANAGEMENT LLC fund profile BROWN CAPITAL MANAGEMENT LLC full holdings
How BROWN CAPITAL MANAGEMENT LLC held CTKB — position size vs. price
% of Fund (quarterly)    CTKB price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 2,072,915 -2,885,101 -58.2% 0.86% $10.5M 2026-02-14 (Est.) $4.24
2025 Q3 REDUCED 4,958,016 -2,151,979 -30.3% 0.71% $17.2M 2025-11-04 $3.91
2025 Q2 REDUCED 7,109,995 -353,972 -4.7% 0.70% $24.2M 2025-08-13 $4.17
2025 Q1 REDUCED 7,463,967 -782,643 -9.5% 0.90% $29.9M 2025-05-15 $2.68
2024 Q4 REDUCED 8,246,610 -1,246,864 -13.1% 1.24% $53.5M 2025-02-14 $5.23
2024 Q3 REDUCED 9,493,474 -1,893,910 -16.6% 1.13% $52.6M 2024-11-12 $7.04
2024 Q2 REDUCED 11,387,384 -634,630 -5.3% 1.28% $63.5M 2024-08-12 $5.23
2024 Q1 ADDED 12,022,014 +5,689 +0.0% 1.43% $80.7M 2024-05-15 $6.10
2023 Q4 REDUCED 12,016,325 -1,544,155 -11.4% 1.64% $109.6M 2024-02-14 $8.45
2023 Q3 ADDED 13,560,480 +2,828,797 +26.4% 1.15% $74.9M 2023-11-14 $5.47
4 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding CTKB

As of 2025 Q4 — sorted by position size

Topline Capital Management, LLC 3.4% HHLR ADVISORS, LTD. 3Y 7Y 1.08% Numerai GP LLC 3Y 0.11% ROYCE & ASSOCIATES LP 3Y 7Y 0.09% Dynamic Technology Lab Private Ltd 3Y 7Y 0.05% PDT Partners, LLC 3Y 7Y 0.03% Boston Partners 3Y 7Y 0.03% AXQ CAPITAL, LP 3Y 0.02% MILLENNIUM MANAGEMENT LLC 3Y 7Y 0.01% HRT FINANCIAL LP 3Y 7Y 0.01%

FAQ About BROWN CAPITAL MANAGEMENT LLC and CTKB

These are the practical questions this page is built to answer before you even open the full history table.

How long has BROWN CAPITAL MANAGEMENT LLC reported owning CTKB?

BROWN CAPITAL MANAGEMENT LLC reported CTKB across 10 quarterly 13F filings, from 2023 Q3 through 2025 Q4.

What was the largest reported CTKB position in BROWN CAPITAL MANAGEMENT LLC's portfolio?

The largest reported portfolio weight for CTKB was 1.64% in 2023 Q4.

What is the latest reported CTKB position on this page?

The most recent filing on this page is 2025 Q4, when BROWN CAPITAL MANAGEMENT LLC reported 2,072,915 shares, equal to 0.86% of portfolio, with an estimated market value of $10.5M.

What does the chart on this CTKB ownership page compare?

The chart compares BROWN CAPITAL MANAGEMENT LLC's quarterly CTKB portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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