Alpha Pro Tech Ltd (APT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

10,844,444Shares Outstanding

250,395Shares held by institutions

$1,261,991Value of institutional holdings

26.76%Institutional ownership %

0.48%Shares Changed QoQ

33No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 33 institutions have reported a stake in Alpha Pro Tech Ltd (NYSE:APT) as of December 2025, according to recent 13F filings with the SEC.

These investors collectively held 26.8% of the company's total shares outstanding in December 2025, down from 27.8% in September 2025.
Institutional share ownership changed by 0.48% QoQ, while the number of institutional owners saw an increase of 6.45% YoY.
Of these 33 institutional investors, 7 increased their holdings in Alpha Pro Tech, while 13 of them reduced positions, and 13 investors maintained their exposure.
The aggregate institutional position in Alpha Pro Tech now stands at 2.90Mn shares as of December 2025, after investors increased their holdings (up by 13.93K shares quarter on quarter which is down 196.59K shares year over year).
With 642.50K shares, NEEDHAM INVESTMENT MANAGEMENT LLC commands the largest institutional position in Alpha Pro Tech as of December 31, 2025, equating to 5.92% of the company.
Among the most significant buyers of Alpha Pro Tech during December 2025 were JANE STREET GROUP, LLC (55.90K), Pinnacle Financial Partners, Inc. (25.00K), NEEDHAM INVESTMENT MANAGEMENT LLC (7.50K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (4.13K), BANK OF AMERICA CORP /DE/ (1.05K).
Leading sellers of Alpha Pro Tech stock in December 2025 included VANGUARD GROUP INC (16.30K), CITADEL ADVISORS LLC (15.44K), RENAISSANCE TECHNOLOGIES LLC (12.80K), ACADIAN ASSET MANAGEMENT LLC (10.87K), DIMENSIONAL FUND ADVISORS LP (10.53K).
The top 10 institutional holders of Alpha Pro Tech for the quarter ending December 2025 included NEEDHAM INVESTMENT MANAGEMENT LLC (642.50K), VANGUARD GROUP INC (609.07K), RENAISSANCE TECHNOLOGIES LLC (522.97K), BlackRock, Inc. (270.41K), DIMENSIONAL FUND ADVISORS LP (137.34K), ACADIAN ASSET MANAGEMENT LLC (133.35K), GEODE CAPITAL MANAGEMENT, LLC (92.87K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (78.53K), JANE STREET GROUP, LLC (69.70K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (68.31K).

33 Institutional Holders

250,395 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
NEEDHAM INVESTMENT MANAGEMENT LLC	31 Dec, 2025	642,500	7,500	1.18%	$2,852,700.00
VANGUARD GROUP INC	31 Dec, 2025	609,067	-16,304	-2.61%	$2,704,258.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	522,972	-12,803	-2.39%	$2,321,996.00
BlackRock, Inc.	31 Dec, 2025	270,409	-1,407	-0.52%	$1,200,615.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	137,335	-10,530	-7.12%	$609,767.00
ACADIAN ASSET MANAGEMENT LLC	31 Dec, 2025	133,352	-10,865	-7.53%	$591.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	92,872	-6,434	-6.48%	$412,478.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC	31 Dec, 2025	78,525	0	0.00%	$348,651.00
JANE STREET GROUP, LLC	31 Dec, 2025	69,700	55,900	405.07%	$309,468.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	68,311	4,127	6.43%	$303,301.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	58,309	0	0.00%	$258,892.00
STATE STREET CORP	31 Dec, 2025	46,957	0	0.00%	$208,489.00
ESSEX INVESTMENT MANAGEMENT CO LLC	31 Dec, 2025	34,375	0	0.00%	$152,625.00
Pinnacle Financial Partners, Inc.	31 Dec, 2025	25,000	25,000	0.00%	$111,000.00
OSAIC HOLDINGS, INC.	31 Dec, 2025	23,480	-1,800	-7.12%	$104,251.00
CITADEL ADVISORS LLC	31 Dec, 2025	21,351	-15,444	-41.97%	$94,798.00
NORTHERN TRUST CORP	31 Dec, 2025	18,074	-337	-1.83%	$80,249.00
CALDWELL SUTTER CAPITAL, INC.	31 Dec, 2025	16,236	0	0.00%	$72,088.00
JAMES INVESTMENT RESEARCH, INC.	31 Dec, 2025	11,050	0	0.00%	$49,062.00
MORGAN STANLEY	31 Dec, 2025	8,766	-2,755	-23.91%	$38,921.00

1 - 20 of 33

Research Tools