ST GERMAIN D J CO INC ADTN — ADTRAN HOLDINGS INC COM

Ownership history in ST GERMAIN D J CO INC  ·  5 quarters on record

AI Ownership Summary

ST GERMAIN D J CO INC reported ADTRAN HOLDINGS INC COM (ADTN) in 5 quarterly 13F filings from 2025 Q1 through 2026 Q1. The latest visible filing shows ADTN 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 ADTN ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was ST GERMAIN D J CO INC's position in ADTRAN HOLDINGS INC 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

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

High-water mark
Peak Conviction
0.0% 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
2025 Q1 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.

ADTN stock page ST GERMAIN D J CO INC fund profile ST GERMAIN D J CO INC full holdings
How ST GERMAIN D J CO INC held ADTN — position size vs. price
% of Fund (quarterly)    ADTN 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)
2026 Q1 UNCHANGED — — — 5,000 — 0% 0.00% $63K 2026-04-13 $14.97
2025 Q4 ADDED — — — 5,000 +2,500 +100.0% 0.00% $43K 2026-01-29 $9.37
2025 Q3 UNCHANGED — — — 2,500 — 0% 0.00% $23K 2025-10-07 $8.85
2025 Q2 UNCHANGED — — — 2,500 — 0% 0.00% $22K 2025-07-16 $9.66
2025 Q1 INITIATED — — — 2,500 — — 0.00% $22K 2025-04-09 $8.21

🏢 Other funds also holding ADTN

As of 2026 Q1 — sorted by position size

Divisar Capital Management LLC 3Y 7Y 5.67% Tieton Capital Management, LLC 3Y 7Y 4.36% 1492 Capital Management LLC 3Y 7Y 2.99% Shannon River Fund Management LLC 3Y 7Y 2.93% WESTERLY CAPITAL MANAGEMENT, LLC 3Y 7Y 2.74% Kerrisdale Advisers, LLC 3Y 7Y 2.64% Worth Venture Partners, LLC 3Y 7Y 1.95% Lisanti Capital Growth, LLC 3Y 7Y 1.07% WHITE PINE CAPITAL LLC 3Y 7Y 1.04% Manatuck Hill Partners, LLC 3Y 7Y 0.85%

FAQ About ST GERMAIN D J CO INC and ADTN

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

How long has ST GERMAIN D J CO INC reported owning ADTN?

ST GERMAIN D J CO INC reported ADTN across 5 quarterly 13F filings, from 2025 Q1 through 2026 Q1.

What was the largest reported ADTN position in ST GERMAIN D J CO INC's portfolio?

The largest reported portfolio weight for ADTN was 0.00% in 2026 Q1.

What is the latest reported ADTN position on this page?

The most recent filing on this page is 2026 Q1, when ST GERMAIN D J CO INC reported 5,000 shares, equal to 0.00% of portfolio, with an estimated market value of $63K.

What does the chart on this ADTN ownership page compare?

The chart compares ST GERMAIN D J CO INC's quarterly ADTN 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.

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