CI INVESTMENTS INC. ALGM — ALLEGRO MICROSYSTEMS INC

Ownership history in CI INVESTMENTS INC.  ·  7 quarters on record

AI Ownership Summary

CI INVESTMENTS INC. reported ALLEGRO MICROSYSTEMS INC (ALGM) in 7 quarterly 13F filings from 2023 Q4 through 2025 Q3. The latest visible filing shows ALGM 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. Older history is available after unlock; the visible window still shows the most recent pattern.

What this ALGM ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CI INVESTMENTS INC.'s position in ALLEGRO MICROSYSTEMS 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
2025 Q3

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

High-water mark
Peak Conviction
0.0% in 2025 Q3

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 2025 Q3

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.

ALGM stock page CI INVESTMENTS INC. fund profile CI INVESTMENTS INC. full holdings
How CI INVESTMENTS INC. held ALGM — position size vs. price
% of Fund (quarterly)    ALGM price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 5 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 ADDED — — — 207 +99 +91.7% 0.00% $6K 2025-11-12 $26.47
2024 Q3 REDUCED — — — 108 -1 -0.9% 0.00% $3K 2024-11-12 $20.52
2024 Q2 REDUCED 24.8% -17.5% ✅ 109 -36 -24.8% 0.00% $3K 2024-08-12 $22.66
2024 Q1 ADDED — — — 145 +33 +29.5% 0.00% $4K 2024-05-13 $27.27
2023 Q4 ADDED — — — 112 +6 +5.7% 0.00% $3K 2024-02-12 $31.64
2 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding ALGM

As of 2026 Q1 — sorted by position size

S SQUARED TECHNOLOGY, LLC 3Y 7Y 5.46% Lightrock Netherlands B.V. 3.42% Aperture Investors, LLC 3Y 2.83% Talos Eurisko Asset Management LP 2.66% Roubaix Capital, LLC 3Y 7Y 2.5% G2 Investment Partners Management LLC 3Y 7Y 1.62% KETTLE HILL CAPITAL MANAGEMENT, LLC 3Y 7Y 1.43% Pier Capital, LLC 3Y 7Y 1.18% SIRIOS CAPITAL MANAGEMENT L P 3Y 7Y 1.14% Sphera Management Technology Funds Ltd 1.01%

FAQ About CI INVESTMENTS INC. and ALGM

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

How long has CI INVESTMENTS INC. reported owning ALGM?

CI INVESTMENTS INC. reported ALGM across 5 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported ALGM position in CI INVESTMENTS INC.'s portfolio?

The largest reported portfolio weight for ALGM was 0.00% in 2025 Q3.

What is the latest reported ALGM position on this page?

The most recent filing on this page is 2025 Q3, when CI INVESTMENTS INC. reported 207 shares, equal to 0.00% of portfolio, with an estimated market value of $6K.

What does the chart on this ALGM ownership page compare?

The chart compares CI INVESTMENTS INC.'s quarterly ALGM 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 CI INVESTMENTS INC. time their ALGM position?

Based on 13F filing dates vs. subsequent ALGM price moves, CI INVESTMENTS INC. correctly timed 2 out of 6 reported position changes (33%). The annualised alpha on ALGM relative to SPY over the holding period was -53.4%.

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