TIEMANN INVESTMENT ADVISORS, LLC ECL — ECOLAB INC

Ownership history in TIEMANN INVESTMENT ADVISORS, LLC  ·  13 quarters on record

AI Ownership Summary

TIEMANN INVESTMENT ADVISORS, LLC reported ECOLAB INC (ECL) in 13 quarterly 13F filings from 2024 Q3 through 2026 Q1. Peak portfolio weight reached 0.09% in 2025 Q2. The latest visible filing shows ECL at 0.08% 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 ECL ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was TIEMANN INVESTMENT ADVISORS, LLC's position in ECOLAB 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

ECL was reported at 0.08% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.09% in 2025 Q2

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

Time in book
Holding Window
2024 Q3 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.

ECL stock page TIEMANN INVESTMENT ADVISORS, LLC fund profile TIEMANN INVESTMENT ADVISORS, LLC full holdings
How TIEMANN INVESTMENT ADVISORS, LLC held ECL — position size vs. price
% of Fund (quarterly)    ECL price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 6 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED 5.5% +5.0% ❌ 780 -45 -5.5% 0.08% $207K 2026-05-13 $248.94
2025 Q3 REDUCED — — — 825 -35 -4.1% 0.09% $226K 2025-11-13 $259.84
2025 Q2 ADDED — — — 860 +50 +6.2% 0.09% $232K 2025-08-08 $269.99
2025 Q1 ADDED — — — 810 +15 +1.9% 0.09% $205K 2025-05-14 $246.91
2024 Q4 REDUCED — — — 795 -5 -0.6% 0.08% $186K 2025-02-07 $243.56
2024 Q3 REDUCED 24.0% -7.9% ✅ 800 -253 -24.0% 0.09% $204K 2024-11-14 $243.13
7 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding ECL

As of 2026 Q2 — sorted by position size

Drummond Knight Asset Management Pty Ltd 10.42% MCDONALD CAPITAL INVESTORS INC/CA 3Y 7Y 5.34% WORMSER FRERES GESTION 4.98% Foresight Group Ltd Liability Partnership 4.45% DUDLEY & SHANLEY, INC. 3Y 7Y 4.4% McCollum Christoferson Group LLC 3Y 7Y 3.78% MCDANIEL TERRY & CO 3Y 7Y 3.58% Birch Hill Investment Advisors LLC 3Y 7Y 3.3% BOURGEON CAPITAL MANAGEMENT LLC 3Y 7Y 3.05% Ayrshire Capital Management LLC 3Y 3.04%

FAQ About TIEMANN INVESTMENT ADVISORS, LLC and ECL

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

How long has TIEMANN INVESTMENT ADVISORS, LLC reported owning ECL?

TIEMANN INVESTMENT ADVISORS, LLC reported ECL across 6 quarterly 13F filings, from 2024 Q3 through 2026 Q1.

What was the largest reported ECL position in TIEMANN INVESTMENT ADVISORS, LLC's portfolio?

The largest reported portfolio weight for ECL was 0.09% in 2025 Q2.

What is the latest reported ECL position on this page?

The most recent filing on this page is 2026 Q1, when TIEMANN INVESTMENT ADVISORS, LLC reported 780 shares, equal to 0.08% of portfolio, with an estimated market value of $207K.

What does the chart on this ECL ownership page compare?

The chart compares TIEMANN INVESTMENT ADVISORS, LLC's quarterly ECL 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 TIEMANN INVESTMENT ADVISORS, LLC time their ECL position?

Based on 13F filing dates vs. subsequent ECL price moves, TIEMANN INVESTMENT ADVISORS, LLC correctly timed 4 out of 11 reported position changes (36%). The annualised alpha on ECL relative to SPY over the holding period was -17.1%.

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