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Alpha PRO Tech LTD (APT)

CUSIP: 020772109 | NYSE | Industrials · Building Products & Equipment | Micro Cap | 229 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13G/AVanguard Capital Management LLC438,4574.3%Newly reportedSep 30, 202692d ahead of 13F (512,476 sh) · −74,019
13G/AVanguard Capital Management LLC438,457
4.3% of class · Sep 30, 2026Newly reported
92d ahead of 13F (512,476 sh) · −74,019

Institutional Holders — Q3 2026

Dimensional Fund Advisors LP137,103
0.0% of portfolio›$702.0K
Essex Investment Management Co LLC47,283
0.0% of portfolio›$242.1K
James Investment Research, Inc.11,050
0.0% of portfolio›$56.6K
Simplex Trading, LLC2,511
0.0% of portfolio›$12.9K
Fortitude Family Office, LLC905
0.0% of portfolio›$4.6K
Farther Finance Advisors, LLC363
0.0% of portfolio›$1.9K
SBI Securities Co., Ltd.252
0.0% of portfolio›$1.3K
TD Waterhouse Canada Inc.40
0.0% of portfolio›$203
Archer Investment Corp39
0.0% of portfolio›$200
Caitong International Asset Management Co., Ltd22
0.0% of portfolio›$113
Signaturefd, LLC10
0.0% of portfolio›$51
Citigroup Inc1
0.0% of portfolio›$5
StyleTurnoverLocationFiled
Dimensional Fund Advisors LP
137,103$702.0K0.0%IndexLowAustin, TX2026-11-04
Essex Investment Management Co LLC
47,283$242.1K0.0%GrowthMediumBoston, MA2026-10-19
James Investment Research, Inc.
11,050$56.6K0.0%CoreLowAlpha, OH2026-10-22
Simplex Trading, LLC
2,511$12.9K0.0%CoreVery HighChicago, IL2026-11-04
Fortitude Family Office, LLC
905$4.6K0.0%ETFMediumScottsdale, AZ2026-10-14
Farther Finance Advisors, LLC
363$1.9K0.0%IndexLowSan Francisco, CA2026-10-08
SBI Securities Co., Ltd.
252$1.3K0.0%Agg GrowthLowTokyo, Mexico2026-10-22
TD Waterhouse Canada Inc.
40$2030.0%CoreLowToronto, Australia2026-10-16
Archer Investment Corp
39$2000.0%CoreMediumCarmel, IN2026-11-05
Caitong International Asset Management Co., Ltd
22$1130.0%GrowthVery HighHong Kong, South Korea2026-10-29
Signaturefd, LLC
10$510.0%IndexLowAtlanta, GA2026-10-23
Citigroup Inc
1$50.0%CoreMediumNew York, NY2026-11-04