Kampmann Melissa S. CNI — CANADIAN NATL RY CO COM

Ownership history in Kampmann Melissa S.  ·  11 quarters on record

AI Ownership Summary

Kampmann Melissa S. reported CANADIAN NATL RY CO COM (CNI) in 11 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 1.09% in 2023 Q4. The latest visible filing shows CNI at 0.31% 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 CNI ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Kampmann Melissa S.'s position in CANADIAN NATL RY CO 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
2026 Q1

CNI was reported at 0.31% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.09% in 2023 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.

CNI stock page Kampmann Melissa S. fund profile Kampmann Melissa S. full holdings
How Kampmann Melissa S. held CNI — position size vs. price
% of Fund (quarterly)    CNI price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 3,765 -310 -7.6% 0.31% $387K 2026-04-23 $114.05
2025 Q4 REDUCED 5.2% +4.6% ❌ 4,075 -225 -5.2% 0.30% $405K 2026-01-26 $99.27
2025 Q3 REDUCED 14.4% +5.5% ❌ 4,300 -725 -14.4% 0.30% $405K 2025-10-09 $94.88
2025 Q2 REDUCED 12.5% -9.1% ✅ 5,025 -715 -12.5% 0.39% $523K 2025-07-24 $94.19
2025 Q1 REDUCED 9.9% +7.4% ❌ 5,740 -630 -9.9% 0.44% $559K 2025-04-25 $95.26
2024 Q4 REDUCED — — — 6,370 -230 -3.5% 0.51% $647K 2025-02-11 $100.35
2024 Q3 REDUCED 7.6% -13.5% ✅ 6,600 -545 -7.6% 0.55% $773K 2024-11-04 $104.72
2024 Q2 REDUCED 13.7% -0.3% ✅ 7,145 -1,135 -13.7% 0.62% $844K 2024-08-16 $108.91
2024 Q1 REDUCED 18.2% -11.0% ✅ 8,280 -1,845 -18.2% 0.78% $1.1M 2024-05-15 $120.34
2023 Q4 REDUCED — — — 10,125 -130 -1.3% 1.09% $1.3M 2024-02-22 $125.53
1 older quarter hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding CNI

As of 2026 Q1 — sorted by position size

LOUISBOURG INVESTMENTS INC. 5.58% QV Investors Inc. 3Y 7Y 5.12% Canoe Financial LP 3Y 4.81% Value Partners Investments Inc. 3Y 4.75% Rempart Asset Management Inc. 3Y 3.98% Cardinal Capital Management, Inc. 3Y 7Y 3.28% CIDEL ASSET MANAGEMENT INC 3Y 7Y 2.89% WEYBOSSET RESEARCH & MANAGEMENT LLC 3Y 7Y 2.56% Summerhill Capital Management lnc. 2.48% Ausbil Investment Management Ltd 3Y 2.42%

FAQ About Kampmann Melissa S. and CNI

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

How long has Kampmann Melissa S. reported owning CNI?

Kampmann Melissa S. reported CNI across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported CNI position in Kampmann Melissa S.'s portfolio?

The largest reported portfolio weight for CNI was 1.09% in 2023 Q4.

What is the latest reported CNI position on this page?

The most recent filing on this page is 2026 Q1, when Kampmann Melissa S. reported 3,765 shares, equal to 0.31% of portfolio, with an estimated market value of $387K.

What does the chart on this CNI ownership page compare?

The chart compares Kampmann Melissa S.'s quarterly CNI 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 Kampmann Melissa S. time their CNI position?

Based on 13F filing dates vs. subsequent CNI price moves, Kampmann Melissa S. correctly timed 7 out of 10 reported position changes (70%). The annualised alpha on CNI relative to SPY over the holding period was -16.3%.

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