TMO Thermo Electron Corp COM

Ownership history in KLINGENSTEIN FIELDS & CO LP  ·  44 quarters on record

AI Ownership Summary

KLINGENSTEIN FIELDS & CO LP reported Thermo Electron Corp COM (TMO) in 44 quarterly 13F filings from 2023 Q3 through 2025 Q4. Peak portfolio weight reached 2.03% in 2023 Q3. The latest visible filing shows TMO at 1.58% 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 KLINGENSTEIN FIELDS & CO LP's position in Thermo Electron Corp COM, 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 1.58% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
2.03% in 2023 Q3

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 KLINGENSTEIN FIELDS & CO LP 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 72,766 -401 -0.5% 1.58% $42.2M 2026-02-14 (Est.) $504.32
2025 Q3 REDUCED 73,167 -166 -0.2% 1.34% $35.5M 2025-11-14 $577.70
2025 Q2 REDUCED 73,333 -2,154 -2.9% 1.18% $29.7M 2025-07-30 $476.02
2025 Q1 REDUCED 75,487 -433 -0.6% 1.60% $37.6M 2025-04-28 $419.80
2024 Q4 REDUCED 75,920 -395 -0.5% 1.59% $39.5M 2025-01-30 $604.00
2024 Q3 ADDED 76,315 +135 +0.2% 1.88% $47.2M 2024-10-29 $544.90
2024 Q2 REDUCED 76,180 -2,094 -2.7% 1.75% $42.1M 2024-08-01 $618.11
2024 Q1 REDUCED 78,274 -1,828 -2.3% 1.89% $45.5M 2024-04-29 $573.11
2023 Q4 REDUCED 80,102 -2,046 -2.5% 1.90% $42.5M 2024-02-01 $548.25
2023 Q3 REDUCED 82,148 -107 -0.1% 2.03% $41.6M 2023-10-27 $428.01
34 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About KLINGENSTEIN FIELDS & CO LP and TMO

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

How long has KLINGENSTEIN FIELDS & CO LP reported owning TMO?

KLINGENSTEIN FIELDS & CO LP reported TMO across 10 quarterly 13F filings, from 2023 Q3 through 2025 Q4.

What was the largest reported TMO position in KLINGENSTEIN FIELDS & CO LP's portfolio?

The largest reported portfolio weight for TMO was 2.03% in 2023 Q3.

What is the latest reported TMO position on this page?

The most recent filing on this page is 2025 Q4, when KLINGENSTEIN FIELDS & CO LP reported 72,766 shares, equal to 1.58% of portfolio, with an estimated market value of $42.2M.

What does the chart on this TMO ownership page compare?

The chart compares KLINGENSTEIN FIELDS & CO LP'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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