OREGON PUBLIC EMPLOYEES RETIREMENT FUND CTKB CYTEK BIOSCIENCES INC

Ownership history in OREGON PUBLIC EMPLOYEES RETIREMENT FUND  ·  12 quarters on record

AI Ownership Summary

OREGON PUBLIC EMPLOYEES RETIREMENT FUND reported CYTEK BIOSCIENCES INC (CTKB) in 12 quarterly 13F filings from 2024 Q1 through 2026 Q1. The latest visible filing shows CTKB at 0.00% 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 OREGON PUBLIC EMPLOYEES RETIREMENT FUND'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
2026 Q1

CTKB was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2024 Q1

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

Time in book
Holding Window
2024 Q1 to 2026 Q1

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.

How OREGON PUBLIC EMPLOYEES RETIREMENT FUND held CTKB — position size vs. price
% of Fund (quarterly)    CTKB price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 UNCHANGED 25,175 0% 0.00% $110K 2026-04-29 $4.44
2025 Q4 ADDED 25,175 +500 +2.0% 0.00% $127K 2026-02-04 $4.93
2025 Q3 ADDED 24,675 +1,200 +5.1% 0.00% $86K 2025-10-24 $4.26
2025 Q2 REDUCED 23,475 -475 -2.0% 0.00% $80K 2025-07-25 $3.69
2025 Q1 REDUCED 23,950 -600 -2.4% 0.00% $96K 2025-04-28 $3.86
2024 Q4 REDUCED 24,550 -500 -2.0% 0.00% $159K 2025-02-05 $5.61
2024 Q3 ADDED 25,050 +1,800 +7.7% 0.00% $139K 2024-10-29 $4.81
2024 Q2 REDUCED 12.1% -0.7% 23,250 -3,200 -12.1% 0.00% $130K 2024-08-02 $6.06
2024 Q1 REDUCED 8.6% -16.4% 26,450 -2,500 -8.6% 0.00% $177K 2024-05-03 $6.22
3 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding CTKB

As of 2026 Q2 — sorted by position size

Versant Capital Management, Inc 3Y 7Y 0.0% GAMMA Investing LLC 0.0%

FAQ About OREGON PUBLIC EMPLOYEES RETIREMENT FUND and CTKB

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

How long has OREGON PUBLIC EMPLOYEES RETIREMENT FUND reported owning CTKB?

OREGON PUBLIC EMPLOYEES RETIREMENT FUND reported CTKB across 9 quarterly 13F filings, from 2024 Q1 through 2026 Q1.

What was the largest reported CTKB position in OREGON PUBLIC EMPLOYEES RETIREMENT FUND's portfolio?

The largest reported portfolio weight for CTKB was 0.00% in 2024 Q1.

What is the latest reported CTKB position on this page?

The most recent filing on this page is 2026 Q1, when OREGON PUBLIC EMPLOYEES RETIREMENT FUND reported 25,175 shares, equal to 0.00% of portfolio, with an estimated market value of $110K.

What does the chart on this CTKB ownership page compare?

The chart compares OREGON PUBLIC EMPLOYEES RETIREMENT FUND'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.

How well did OREGON PUBLIC EMPLOYEES RETIREMENT FUND time their CTKB position?

Based on 13F filing dates vs. subsequent CTKB price moves, OREGON PUBLIC EMPLOYEES RETIREMENT FUND correctly timed 8 out of 11 reported position changes (73%). The annualised alpha on CTKB relative to SPY over the holding period was -35.0%.

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