Pflug Koory, LLC TMO — THERMO FISHER SCIENTIFIC INC

Ownership history in Pflug Koory, LLC  ·  29 quarters on record

AI Ownership Summary

Pflug Koory, LLC reported THERMO FISHER SCIENTIFIC INC (TMO) in 29 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 1.53% in 2024 Q4. The latest visible filing shows TMO at 1.22% 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 Pflug Koory, LLC'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
2026 Q1

TMO was reported at 1.22% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.53% 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 Q4 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.

TMO stock page Pflug Koory, LLC fund profile Pflug Koory, LLC full holdings
How Pflug Koory, LLC held TMO — position size vs. price
% of Fund (quarterly)    TMO price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 5,411 +12 +0.2% 1.22% $2.7M 2026-04-22 $513.98
2025 Q4 REDUCED — — — 5,399 -13 -0.2% 1.46% $3.1M 2026-01-20 $618.40
2025 Q3 ADDED — — — 5,412 +43 +0.8% 1.24% $2.6M 2025-10-21 $557.02
2025 Q2 ADDED — — — 5,369 +336 +6.7% 1.11% $2.2M 2025-07-21 $403.87
2025 Q1 UNCHANGED — — — 5,033 — 0% 1.39% $2.5M 2025-04-17 $425.93
2024 Q4 REDUCED — — — 5,033 -12 -0.2% 1.53% $3.1M 2025-01-21 $570.48
2024 Q1 UNCHANGED — — — 5,045 — 0% 1.44% $2.9M 2024-04-11 $570.80
2023 Q4 UNCHANGED — — — 5,045 — 0% 1.42% $2.7M 2024-01-11 $542.06
21 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding TMO

As of 2026 Q1 — sorted by position size

Lindsell Train Ltd 3Y 7Y 9.67% WORMSER FRERES GESTION 7.75% R.H. Dinel Investment Counsel, Inc. 3Y 7Y 7.13% CALEDONIA INVESTMENTS PLC 3Y 7Y 6.42% Rempart Asset Management Inc. 3Y 4.9% James Hambro & Partners LLP 3Y 7Y 4.64% Nexus Investment Management ULC 3Y 7Y 4.6% Cohen Capital Management, Inc. 3Y 7Y 4.39% M. Kraus & Co 3Y 7Y 4.28% Mader & Shannon Wealth Management, Inc. 3Y 7Y 4.14%

FAQ About Pflug Koory, LLC and TMO

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

How long has Pflug Koory, LLC reported owning TMO?

Pflug Koory, LLC reported TMO across 8 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported TMO position in Pflug Koory, LLC's portfolio?

The largest reported portfolio weight for TMO was 1.53% in 2024 Q4.

What is the latest reported TMO position on this page?

The most recent filing on this page is 2026 Q1, when Pflug Koory, LLC reported 5,411 shares, equal to 1.22% of portfolio, with an estimated market value of $2.7M.

What does the chart on this TMO ownership page compare?

The chart compares Pflug Koory, LLC'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.

How well did Pflug Koory, LLC time their TMO position?

Based on 13F filing dates vs. subsequent TMO price moves, Pflug Koory, LLC correctly timed 10 out of 18 reported position changes (56%). The annualised alpha on TMO relative to SPY over the holding period was -1.0%.

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