Alpha Pro Tech Ltd (APT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

10,485,088Shares Outstanding

2,891,575Shares held by institutions

$13,041,003Value of institutional holdings

27.58%Institutional ownership %

-0.22%Shares Changed QoQ

34No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Alpha Pro Tech Ltd (NYSE:APT) showed up in the 13F filings of 34 institutional investors as of December 2025.

These investors collectively held 27.6% of Alpha Pro Tech's outstanding shares in December 2025, down from 28.7% in September 2025.
Their total shares held in APT decreased -0.19% quarter over quarter, and separately, investors owning Alpha Pro Tech increased 9.68% from a year ago.
Among the 34 funds, 7 bought more Alpha Pro Tech shares, 14 sold down, and 13 held their ground.
The aggregate institutional position in Alpha Pro Tech amounted to 2.89Mn shares as of December 2025, down by 5.62K shares quarter on quarter, and down 240.92K shares year over year.
As of December 31, 2025, NEEDHAM INVESTMENT MANAGEMENT LLC held the largest stake in Alpha Pro Tech with 642.5K shares, accounting for 6.13% of total shares outstanding.
The biggest buyers of Alpha Pro Tech for the quarter ending December 2025 included Pinnacle Financial Partners, Inc. (50.0K), NewEdge Advisors, LLC (15.98K), NEEDHAM INVESTMENT MANAGEMENT LLC (7.5K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (4.13K), Garton & Associates Financial Advisors LLC (1.0K).
The largest sellers of Alpha Pro Tech for the quarter ending December 2025 were VANGUARD GROUP INC (16.3K), CITADEL ADVISORS LLC (15.44K), RENAISSANCE TECHNOLOGIES LLC (12.8K), ACADIAN ASSET MANAGEMENT LLC (10.86K), DIMENSIONAL FUND ADVISORS LP (10.53K).
Per Business Quant, the top 10 investors in APT for the quarter ending December 2025 include NEEDHAM INVESTMENT MANAGEMENT LLC (642.5K), 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), SUSQUEHANNA INTERNATIONAL GROUP, LLP (68.31K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (58.31K).

34 Institutional Holders

2,891,575 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
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
Pinnacle Financial Partners, Inc.	31 Dec, 2025	50,000	50,000	0.00%	$222,000.00
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
NewEdge Advisors, LLC	31 Dec, 2025	32,814	15,980	94.93%	$145,694.00
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

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