APT — ALPHA PRO TECH LTD COM

Ownership history in BRIDGEWAY CAPITAL MANAGEMENT, LLC  ·  65 quarters on record

AI Ownership Summary

BRIDGEWAY CAPITAL MANAGEMENT, LLC reported ALPHA PRO TECH LTD COM (APT) in 65 quarterly 13F filings from 2023 Q3 through 2025 Q4. Peak portfolio weight reached 0.01% in 2024 Q1. The latest visible filing shows APT at 0.01% 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 APT ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was BRIDGEWAY CAPITAL MANAGEMENT, LLC's position in ALPHA PRO TECH LTD 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
2025 Q4

APT was reported at 0.01% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.01% in 2024 Q1

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

Time in book
Holding Window
2023 Q3 to 2025 Q4

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.

APT stock page BRIDGEWAY CAPITAL MANAGEMENT, LLC fund profile BRIDGEWAY CAPITAL MANAGEMENT, LLC full holdings
How BRIDGEWAY CAPITAL MANAGEMENT, LLC held APT — position size vs. price
% of Fund (quarterly)    APT price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 UNCHANGED 78,525 — 0% 0.01% $349K 2026-02-14 (Est.) $5.19
2025 Q3 ADDED 78,525 +1,500 +1.9% 0.01% $376K 2025-11-14 $4.49
2025 Q2 UNCHANGED 77,025 — 0% 0.01% $361K 2025-08-14 $4.56
2025 Q1 ADDED 77,025 +1 +0.0% 0.01% $385K 2025-05-15 $4.50
2024 Q4 UNCHANGED 77,024 — 0% 0.01% $407K 2025-02-14 $5.36
2024 Q3 UNCHANGED 77,024 — 0% 0.01% $439K 2024-11-14 $5.29
2024 Q2 REDUCED 77,024 -8,900 -10.4% 0.01% $424K 2024-08-14 $5.66
2024 Q1 ADDED 85,924 +24,124 +39.0% 0.01% $536K 2024-05-15 $5.02
2023 Q4 UNCHANGED 61,800 — 0% 0.01% $327K 2024-02-14 $5.18
2023 Q3 UNCHANGED 61,800 — 0% 0.01% $268K 2023-11-14 $4.48
55 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding APT

As of 2025 Q4 — sorted by position size

NEEDHAM INVESTMENT MANAGEMENT LLC 3Y 7Y 0.18% CALDWELL SUTTER CAPITAL, INC. 3Y 0.03% ESSEX INVESTMENT MANAGEMENT CO LLC 3Y 7Y 0.02% JAMES INVESTMENT RESEARCH, INC. 3Y 7Y 0.01% RENAISSANCE TECHNOLOGIES LLC 3Y 7Y 0.0% Pinnacle Financial Partners, Inc. 0.0% ACADIAN ASSET MANAGEMENT LLC 3Y 7Y 0.0% NewEdge Advisors, LLC 3Y 7Y 0.0% OSAIC HOLDINGS, INC. 3Y 0.0% ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 3Y 7Y 0.0%

FAQ About BRIDGEWAY CAPITAL MANAGEMENT, LLC and APT

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

How long has BRIDGEWAY CAPITAL MANAGEMENT, LLC reported owning APT?

BRIDGEWAY CAPITAL MANAGEMENT, LLC reported APT across 10 quarterly 13F filings, from 2023 Q3 through 2025 Q4.

What was the largest reported APT position in BRIDGEWAY CAPITAL MANAGEMENT, LLC's portfolio?

The largest reported portfolio weight for APT was 0.01% in 2024 Q1.

What is the latest reported APT position on this page?

The most recent filing on this page is 2025 Q4, when BRIDGEWAY CAPITAL MANAGEMENT, LLC reported 78,525 shares, equal to 0.01% of portfolio, with an estimated market value of $349K.

What does the chart on this APT ownership page compare?

The chart compares BRIDGEWAY CAPITAL MANAGEMENT, LLC's quarterly APT 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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