KENNEDY CAPITAL MANAGEMENT LLC ALGM — ALLEGRO MICROSYSTEMS, INC.

Ownership history in KENNEDY CAPITAL MANAGEMENT LLC  ·  18 quarters on record

AI Ownership Summary

KENNEDY CAPITAL MANAGEMENT LLC reported ALLEGRO MICROSYSTEMS, INC. (ALGM) in 18 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 0.61% in 2026 Q1. The latest visible filing shows ALGM at 0.61% 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 KENNEDY CAPITAL MANAGEMENT LLC'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
2026 Q1

ALGM was reported at 0.61% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.61% in 2026 Q1

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.

ALGM stock page KENNEDY CAPITAL MANAGEMENT LLC fund profile KENNEDY CAPITAL MANAGEMENT LLC full holdings
How KENNEDY CAPITAL MANAGEMENT LLC 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 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 910,039 +865,179 +1928.6% 0.61% $28.7M 2026-05-13 $45.97
2025 Q4 REDUCED 20.8% +19.5% ❌ 44,860 -11,753 -20.8% 0.03% $1.2M 2026-02-13 $42.38
2025 Q3 REDUCED 22.9% -9.1% ✅ 56,613 -16,782 -22.9% 0.04% $1.7M 2025-11-13 $25.28
2025 Q2 REDUCED 38.6% -14.7% ✅ 73,395 -46,055 -38.6% 0.06% $2.5M 2025-08-13 $31.86
2025 Q1 REDUCED 26.6% +36.0% ❌ 119,450 -43,316 -26.6% 0.07% $3.0M 2025-05-13 $26.30
2024 Q4 REDUCED 28.4% +15.0% ❌ 162,766 -64,469 -28.4% 0.08% $3.6M 2025-02-13 $24.57
2024 Q3 REDUCED 25.6% -7.4% ✅ 227,235 -78,192 -25.6% 0.12% $5.3M 2024-11-14 $19.83
2024 Q2 ADDED — — — 305,427 +10,309 +3.5% 0.18% $8.6M 2024-08-14 $23.66
2024 Q1 REDUCED — — — 295,118 -11,703 -3.8% 0.16% $8.0M 2024-05-15 $29.90
2023 Q4 ADDED — — — 306,821 +181,335 +144.5% 0.20% $9.3M 2024-02-14 $31.23
8 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% Pier Capital, LLC 3Y 7Y 1.18% PRENTISS SMITH & CO INC 3Y 7Y 0.44% LECAP ASSET MANAGEMENT LTD 0.34% PEREGRINE CAPITAL MANAGEMENT LLC 3Y 7Y 0.3% Yorktown Management & Research Co Inc 3Y 7Y 0.3%

FAQ About KENNEDY CAPITAL MANAGEMENT LLC and ALGM

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

How long has KENNEDY CAPITAL MANAGEMENT LLC reported owning ALGM?

KENNEDY CAPITAL MANAGEMENT LLC reported ALGM across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported ALGM position in KENNEDY CAPITAL MANAGEMENT LLC's portfolio?

The largest reported portfolio weight for ALGM was 0.61% in 2026 Q1.

What is the latest reported ALGM position on this page?

The most recent filing on this page is 2026 Q1, when KENNEDY CAPITAL MANAGEMENT LLC reported 910,039 shares, equal to 0.61% of portfolio, with an estimated market value of $28.7M.

What does the chart on this ALGM ownership page compare?

The chart compares KENNEDY CAPITAL MANAGEMENT LLC'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 KENNEDY CAPITAL MANAGEMENT LLC time their ALGM position?

Based on 13F filing dates vs. subsequent ALGM price moves, KENNEDY CAPITAL MANAGEMENT LLC correctly timed 7 out of 17 reported position changes (41%). The annualised alpha on ALGM relative to SPY over the holding period was +-0.0%.

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