MASI — masi Masimo Corp common

Ownership history in C M BIDWELL & ASSOCIATES LTD  ·  25 quarters on record

AI Ownership Summary

C M BIDWELL & ASSOCIATES LTD reported masi Masimo Corp common (MASI) in 25 quarterly 13F filings from 2024 Q1 through 2025 Q3. Peak portfolio weight reached 0.06% in 2024 Q4. The latest visible filing shows MASI at 0.04% 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 MASI ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was C M BIDWELL & ASSOCIATES LTD's position in masi Masimo Corp common, 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 Q3

MASI was reported at 0.04% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.06% in 2024 Q4

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 2025 Q3

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.

MASI stock page C M BIDWELL & ASSOCIATES LTD fund profile C M BIDWELL & ASSOCIATES LTD full holdings
How C M BIDWELL & ASSOCIATES LTD held MASI — position size vs. price
% of Fund (quarterly)    MASI price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 7 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 595 -2 -0.3% 0.04% $88K 2025-11-13 $152.43
2025 Q2 UNCHANGED 597 — 0% 0.05% $100K 2025-08-14 $151.87
2025 Q1 REDUCED 597 -17 -2.8% 0.06% $99K 2025-05-15 $154.39
2024 Q4 REDUCED 614 -12 -1.9% 0.06% $101K 2025-02-12 $179.51
2024 Q3 ADDED 626 +31 +5.2% 0.05% $83K 2024-11-13 $161.68
2024 Q2 UNCHANGED 595 — 0% 0.05% $75K 2024-08-13 $128.39
2024 Q1 REDUCED 595 -772 -56.5% 0.06% $87K 2024-05-14 $115.24
18 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding MASI

As of 2026 Q1 — sorted by position size

LOCKERMAN FINANCIAL GROUP, INC. 3Y 3.36% Cardinal Capital Management 3Y 7Y 0.51% Bayforest Capital Ltd 0.1% DHJJ Financial Advisors, Ltd. 3Y 0.02% Oak Thistle LLC 3Y 0.02% NorthCrest Asset Manangement, LLC 3Y 0.01% Hilltop National Bank 0.01% True Wealth Design, LLC 3Y 0.01% Avior Wealth Management, LLC 3Y 7Y 0.01% Holos Integrated Wealth LLC 0.01%

FAQ About C M BIDWELL & ASSOCIATES LTD and MASI

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

How long has C M BIDWELL & ASSOCIATES LTD reported owning MASI?

C M BIDWELL & ASSOCIATES LTD reported MASI across 7 quarterly 13F filings, from 2024 Q1 through 2025 Q3.

What was the largest reported MASI position in C M BIDWELL & ASSOCIATES LTD's portfolio?

The largest reported portfolio weight for MASI was 0.06% in 2024 Q4.

What is the latest reported MASI position on this page?

The most recent filing on this page is 2025 Q3, when C M BIDWELL & ASSOCIATES LTD reported 595 shares, equal to 0.04% of portfolio, with an estimated market value of $88K.

What does the chart on this MASI ownership page compare?

The chart compares C M BIDWELL & ASSOCIATES LTD's quarterly MASI 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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