TMO THERMO FISHER SCIENTIFIC INC

Ownership history in DAVIS-REA LTD.  ·  41 quarters on record

AI Ownership Summary

DAVIS-REA LTD. reported THERMO FISHER SCIENTIFIC INC (TMO) in 41 quarterly 13F filings from 2023 Q3 through 2025 Q4. Peak portfolio weight reached 7.71% in 2024 Q4. The latest visible filing shows TMO at 4.00% 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 TMO ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was DAVIS-REA LTD.'s position in THERMO FISHER SCIENTIFIC 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

TMO was reported at 4.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
7.71% 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
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.

How DAVIS-REA LTD. held TMO — position size vs. price
% of Fund (quarterly)    TMO 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 27,532 -10,976 -28.5% 4.00% $16.0M 2026-02-14 (Est.) $504.32
2025 Q3 REDUCED 38,508 -4,786 -11.1% 4.54% $18.7M 2025-10-28 $556.66
2025 Q2 ADDED 43,294 +5,582 +14.8% 4.36% $17.6M 2025-07-24 $473.78
2025 Q1 ADDED 37,712 +8,452 +28.9% 5.00% $18.8M 2025-05-06 $405.53
2024 Q4 ADDED 29,260 +17,231 +143.2% 7.71% $15.2M 2025-02-05 $579.75
2024 Q3 REDUCED 12,029 -4,972 -29.2% 3.24% $7.4M 2024-10-28 $549.64
2024 Q2 REDUCED 17,001 -2,432 -12.5% 4.70% $9.4M 2024-07-26 $603.57
2024 Q1 REDUCED 19,433 -427 -2.2% 5.15% $11.3M 2024-05-06 $569.79
2023 Q4 ADDED 19,860 +4,331 +27.9% 5.40% $10.5M 2024-01-24 $536.10
2023 Q3 ADDED 15,529 +19 +0.1% 4.26% $7.9M 2023-10-19 $465.97
31 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About DAVIS-REA LTD. and TMO

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

How long has DAVIS-REA LTD. reported owning TMO?

DAVIS-REA LTD. reported TMO across 10 quarterly 13F filings, from 2023 Q3 through 2025 Q4.

What was the largest reported TMO position in DAVIS-REA LTD.'s portfolio?

The largest reported portfolio weight for TMO was 7.71% in 2024 Q4.

What is the latest reported TMO position on this page?

The most recent filing on this page is 2025 Q4, when DAVIS-REA LTD. reported 27,532 shares, equal to 4.00% of portfolio, with an estimated market value of $16.0M.

What does the chart on this TMO ownership page compare?

The chart compares DAVIS-REA LTD.'s quarterly TMO 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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