GAMMA Investing LLC CECO — CECO ENVIRONMENTAL CORP COM

Ownership history in GAMMA Investing LLC  ·  8 quarters on record

AI Ownership Summary

GAMMA Investing LLC reported CECO ENVIRONMENTAL CORP COM (CECO) in 8 quarterly 13F filings from 2024 Q2 through 2026 Q1. The latest visible filing shows CECO at 0.00% 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.

What this CECO ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was GAMMA Investing LLC's position in CECO ENVIRONMENTAL 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
2026 Q1

CECO was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2025 Q4

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

Time in book
Holding Window
2024 Q2 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.

CECO stock page GAMMA Investing LLC fund profile GAMMA Investing LLC full holdings
How GAMMA Investing LLC held CECO — position size vs. price
% of Fund (quarterly)    CECO 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 REDUCED — — — 215 -6 -2.7% 0.00% $13K 2026-04-06 $60.34
2025 Q4 ADDED — — — 221 +50 +29.2% 0.00% $13K 2026-01-05 $62.12
2025 Q3 REDUCED 8.6% +19.1% ❌ 171 -16 -8.6% 0.00% $9K 2025-10-02 $51.49
2025 Q2 REDUCED 64.3% +77.6% ❌ 187 -337 -64.3% 0.00% $5K 2025-07-14 $30.36
2025 Q1 ADDED — — — 524 +486 +1278.9% 0.00% $23K 2025-04-07 $19.37
2024 Q4 ADDED — — — 38 +21 +123.5% 0.00% $1K 2025-01-03 $31.61
2024 Q3 ADDED — — — 17 +9 +112.5% 0.00% $479 2024-10-07 $27.38
2024 Q2 INITIATED — — — 8 — — 0.00% $231 2024-07-02 $27.99

🏢 Other funds also holding CECO

As of 2026 Q1 — sorted by position size

Peregrine Asset Advisers, Inc. 3Y 7Y 1.19% Yorktown Management & Research Co Inc 3Y 7Y 0.64% Cox Capital Mgt LLC 3Y 7Y 0.48% PEREGRINE CAPITAL MANAGEMENT LLC 3Y 7Y 0.34% Whalen Wealth Management Inc. 0.23% Continuum Advisory, LLC 3Y 0.21% North Star Investment Management Corp. 3Y 7Y 0.17% FNY Investment Advisers, LLC 3Y 7Y 0.06% NorthCrest Asset Manangement, LLC 3Y 0.06% CONTRAVISORY INVESTMENT MANAGEMENT, INC. 3Y 7Y 0.05%

FAQ About GAMMA Investing LLC and CECO

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

How long has GAMMA Investing LLC reported owning CECO?

GAMMA Investing LLC reported CECO across 8 quarterly 13F filings, from 2024 Q2 through 2026 Q1.

What was the largest reported CECO position in GAMMA Investing LLC's portfolio?

The largest reported portfolio weight for CECO was 0.00% in 2025 Q4.

What is the latest reported CECO position on this page?

The most recent filing on this page is 2026 Q1, when GAMMA Investing LLC reported 215 shares, equal to 0.00% of portfolio, with an estimated market value of $13K.

What does the chart on this CECO ownership page compare?

The chart compares GAMMA Investing LLC's quarterly CECO 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 GAMMA Investing LLC time their CECO position?

Based on 13F filing dates vs. subsequent CECO price moves, GAMMA Investing LLC correctly timed 2 out of 7 reported position changes (29%). The annualised alpha on CECO relative to SPY over the holding period was +53.8%.

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