$APT

$5.44 -$0.12 (2.16%) Close

$APT Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 10.2M shares outstanding

Who owns APT?

By type of holder

Institutions 27.5% Insiders 17.9% Everyone else 54.6%

Concentration Top 10 holders own 39.0%

Millar Donna 12.6% · Needham Investment Management LLC 6.3%

Institutional ownership

27.5%

-2.3 pts vs last qtr

Institutional holders

+3 vs last qtr

Net shares bought

−234.7K

by institutions in Q2 2026

New / sold out

8 / 5

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Marshall Wace, LLP NEW +52.1K
Geode Capital Management, LLC +28.5K

Biggest sellers in Q2 2026

Susquehanna International Group, LLP SOLD OUT −141.2K
Group One Trading LLC −111.0K

Who is planning to sell?

Notices of proposed sale, last 12 months

$143K

5 notices from 3 people

Shares covered

27.6K

0.27% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Garcia David R Director $64.7K
James W Buchan Director $43.7K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−37.3%

−5.06% a year

Each share's claim on the business

+59.6%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$39.9M vs $3.38M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years86% 3–5 years6% 1–3 years3% Under 1 year4%

Quarterly turnover

8.2%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting APT on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
NI Needham Investment Management LLC	642.5K	6.30%	Unchanged	≤2021	0.1%
Shares held by quarter Peak holding642.5K (Q4'25) Change over 8 quarters+32.5K Share of the company6.300% Needham Investment Management LLC's full portfolio →
RT Renaissance Technologies LLC	561.6K	5.50%	+17.5K (+3.2%)	≤2021	0.0%
Shares held by quarter Peak holding590.3K (Q3'24) Change over 8 quarters−28.7K Share of the company5.500% Renaissance Technologies LLC's full portfolio →

Needham Investment Management LLC

642.5K

% of company

6.30%

Change vs last qtr

Unchanged

Held since

≤2021

Renaissance Technologies LLC

561.6K

% of company

5.50%

Change vs last qtr

+17.5K (+3.2%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Alpha Pro Tech Ltd, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting APT on Form N-PORT; together they hold 14.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
NA Needham Aggressive Growth Fund Needham Funds Inc	$3.61M	642.5K	6.30%	0.14%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$2.28M	405.4K	3.97%	0.00%	June 30, 2026

Needham Aggressive Growth Fund

Needham Funds Inc

Position value

$3.61M

% of company

6.30%

% of the fund

0.14%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$2.28M

% of company

3.97%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Alpha Pro Tech Ltd and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
MD Millar Donna 5%+ holder 13D · 11.7%	1.3M	12.59%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company12.590% Disclosed stake13D · 11.7% View the 13D/G filing →
HL Hoffman Lloyd Insider	273.8K	2.68%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company2.680% Hoffman Lloyd's insider activity →

Millar Donna

5%+ holder13D · 11.7%

1.3M

% of company

12.59%

Change vs last qtr

—

Held since

—

Hoffman Lloyd

Insider

273.8K

% of company

2.68%

Change vs last qtr

—

Held since

—

6 more holders behind a free account

See every insider and 5%+ holder of Alpha Pro Tech Ltd.

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