Alpha Pro Tech APT Institutional Ownership

NYSE APT

$5.63 +0.10 (+1.85%)

As of: Oct 23, 2026 · 2:36 PM EDT

Institutions by Trading Activity

41 Institutions

Increased 18 43.9%

Unchanged 12 29.3%

Reduced 11 26.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

30.15%

▲+0.30 pp QoQ

Shares Held by Institutions

3.05Mn

of 10.12Mn outstanding

▲+0.88% QoQ

Shares Outstanding

10.12Mn

7.07Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+5 vs prior quarter

Net Shares Added (QoQ)

+26.74K

accumulated since last quarter

Value of Holdings

$16.87Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 5, 2026

Alpha Pro Tech Ltd (NYSE:APT) was reported as a holding by 41 institutional investors in 13F filings for the quarter ended June 30, 2026.

Collectively, these holders controlled 30.15% of Alpha Pro Tech's outstanding shares in Q2 2026, up from 29.85% in Q1 2026.
Total holdings of Alpha Pro Tech shares rose 0.88% from Q1 2026, and the number of holders rose 24.24% from Q2 2025.
Of the 41 holders, 18 added to their positions, 11 reduced their stakes and 12 left their positions unchanged in Q2 2026.
Institutional investors held 3.05Mn shares of Alpha Pro Tech in total at the end of Q2 2026, up 26.74K from the prior quarter and up 88.45K from a year earlier.
Needham Investment Management LLC held the largest position in APT at 642.5K shares as of June 30, 2026, or 6.35% of shares outstanding.
Among existing holders, the largest additions to Alpha Pro Tech in Q2 2026 came from Susquehanna International Group, LLP (+101.47K shares), Geode Capital Management, LLC (+28.47K shares), Renaissance Technologies LLC (+17.5K shares), BlackRock, Inc. (+6.89K shares) and Northern Trust Corp (+2.62K shares).
The largest position reductions in APT for Q2 2026 were by Group One Trading LLC (-110.99K shares), Vanguard Capital Management LLC (-41.2K shares), Bridgeway Capital Management, LLC (-14K shares), Pinnacle Financial Partners, Inc. (-12.6K shares) and Jane Street Group, LLC (-12.58K shares).
Per Business Quant data, the 10 largest holders of Alpha Pro Tech at the end of Q2 2026 were Needham Investment Management LLC (642.5K shares), Renaissance Technologies LLC (561.57K shares), Vanguard Capital Management LLC (512.48K shares), BlackRock, Inc. (278.69K shares), Susquehanna International Group, LLP (242.7K shares), Dimensional Fund Advisors LP (137.1K shares), Acadian Asset Management LLC (126.87K shares), Geode Capital Management, LLC (96.85K shares), Bridgeway Capital Management, LLC (64.53K shares) and Arrowstreet Capital, Limited Partnership (58.31K shares).

Form 13F Holdings

41 Institutional Holders

Report period 30 Jun, 2026

Total shares held 3.05Mn

Of outstanding 30.15%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	NEEDHAM INVESTMENT MANAGEMENT LLC	0001167212	642,500	6.35%	0	0.00%	$3.61Mn
2	RENAISSANCE TECHNOLOGIES LLC	0001037389	561,572	5.55%	▲17,500	+3.22%	$3.16Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	512,476	5.06%	▼41,198	-7.44%	$2.88Mn
4	BlackRock, Inc.	0002012383	278,687	2.75%	▲6,887	+2.53%	$1.57Mn
5	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0001446194	242,699	2.40%	▲101,473	+71.85%	$1.36Mn
6	DIMENSIONAL FUND ADVISORS LP	0000354204	137,103	1.35%	▼232	-0.17%	$770.52K
7	ACADIAN ASSET MANAGEMENT LLC	0000916542	126,866	1.25%	▼6,486	-4.86%	$712
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	96,853	0.96%	▲28,467	+41.63%	$545.00K
9	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0001107261	64,525	0.64%	▼14,000	-17.83%	$362.63K
10	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	58,309	0.58%	0	0.00%	$327.70K
11	MARSHALL WACE, LLP	0001318757	52,113	0.51%	▲52,113	0.00%	$292.87K
12	VANGUARD FIDUCIARY TRUST CO	0000933478	51,788	0.51%	▲356	+0.69%	$291.05K
13	State Street Corp	0000093751	46,957	0.46%	0	0.00%	$263.90K
14	ESSEX INVESTMENT MANAGEMENT CO LLC	0000201772	34,264	0.34%	▼111	-0.32%	$192.56K
15	Northern Trust Corp	0000073124	20,697	0.20%	▲2,623	+14.51%	$116.32K
16	XTX Topco Ltd	0001828301	17,217	0.17%	▲2,500	+16.99%	$96.76K
17	SIMPLEX TRADING, LLC	0001488542	16,772	0.17%	▲16,772	0.00%	$94.26K
18	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	16,000	0.16%	0	0.00%	$90
19	JANE STREET GROUP, LLC	0001595888	13,047	0.13%	▼12,583	-49.09%	$73.32K
20	Pinnacle Financial Partners, Inc.	0002082866	12,400	0.12%	▼12,600	-50.40%	$69.69K

Showing 1 to 20 of 41 holders