How many institutional investors hold APT?

1 tracked institutional investor disclosed a position in APT (ALPHA PRO TECH LTD) in their most recent 13F filing.

Who is the largest institutional holder of APT?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in APT, valued at $3M.

Where does this APT ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

APT — ALPHA PRO TECH LTD

Name: ALPHA PRO TECH LTD (APT) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About ALPHA PRO TECH LTD (APT)

ALPHA PRO TECH LTD (APT) appears in the most recent 13F filings of 1 tracked institutional investor. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $3M. Across recent filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in APT

/100

Institutional Accumulation

Added / Increased2

Reduced0

Exited1

BearishBullish

Crowded Trade Score™

How many top investors track APT

/100

Undiscovered

1investor

Only 1 tracked investor report this position.

UndiscoveredCrowded

151015+

APT Ownership Composition

How ALPHA PRO TECH LTD is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

100% of tracked value

Institutions

tracked investors

Total Reported

$3.5M

combined 13F value

Other100.0%

Other(1)

100.0%

Tracked investors reporting APT

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	785.3K	$3.5M	0.00%	Mar 31, 2026

Ken GriffinMar 31, 2026
Citadel Advisors
Shares
785.3K
Value
$3.5M
% Portfolio
0.00%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Ken Griffin	New	—	$3.5M	May 15, 2026
Ken Griffin	Sold	-100.00%	$0	Feb 17, 2026
Ken Griffin	New	—	$924.4K	Nov 14, 2025

Ken Griffin
New
$3.5MMay 15, 2026
Ken Griffin
Sold
$0(-100.00%)Feb 17, 2026
Ken Griffin
New
$924.4KNov 14, 2025

Frequently asked questions

How many institutional investors hold APT?: 1 tracked institutional investor disclosed a position in APT (ALPHA PRO TECH LTD) in their most recent 13F filing.
Who is the largest institutional holder of APT?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in APT, valued at $3M.
Did institutional ownership of APT increase or decrease?: Across recent 13F filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 1 fully exited APT.
Where does this APT ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.