Needham Investment Management’s Alpha Pro Tech APT Stock Holding History

Needham Investment Management’s Portfolio APT Stock Details APT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$2.85M	Hold	642,500	–	–	0.15%	117
2025 Q4	$2.85M	Buy	642,500 +7,500	+1%	+$34.5K	0.18%	110
2025 Q3	$3.04M	Buy	635,000 +22,500	+4%	+$108K	0.21%	98
2025 Q2	$2.87M	Hold	612,500	–	–	0.23%	92
2025 Q1	$3.06M	Hold	612,500	–	–	0.29%	87
2024 Q4	$3.24M	Buy	612,500 +2,500	+0.4%	+$13.7K	0.25%	93
2024 Q3	$3.48M	Buy	610,000 +7,500	+1%	+$43.4K	0.27%	88
2024 Q2	$3.31M	Buy	602,500 +252,500	+72%	+$1.41M	0.27%	89
2024 Q1	$2.18M	Buy	350,000 +130,000	+59%	+$711K	0.2%	100
2023 Q4	$1.16M	Hold	220,000	–	–	0.15%	111
2023 Q3	$955K	Hold	220,000	–	–	0.16%	93
2023 Q2	$876K	Hold	220,000	–	–	0.14%	93
2023 Q1	$915K	Hold	220,000	–	–	0.16%	99
2022 Q4	$884K	Hold	220,000	–	–	0.16%	95
2022 Q3	$891K	Hold	220,000	–	–	0.17%	89
2022 Q2	$981K	Buy	220,000 +45,000	+26%	+$192K	0.18%	91
2022 Q1	$735K	Buy	175,000 +100,000	+133%	+$465K	0.11%	103
2021 Q4	$448K	Hold	75,000	–	–	0.06%	107
2021 Q3	$505K	Hold	75,000	–	–	0.07%	105
2021 Q2	$643K	Sell	75,000 -7,500	-9%	-$65.4K	0.09%	100
2021 Q1	$805K	Hold	82,500	–	–	0.11%	97
2020 Q4	$920K	Sell	82,500 -2,500	-3%	-$33.7K	0.15%	86
2020 Q3	$1.26M	Buy	85,000 +2,500	+3%	+$42.4K	0.25%	73
2020 Q2	$1.46M	Hold	82,500	–	–	0.31%	67
2020 Q1	$997K	Sell	82,500 -2,500	-3%	-$20.9K	0.28%	73
2019 Q4	$292K	Buy	85,000 +4,000	+5%	+$13.9K	0.08%	91
2019 Q3	$292K	Buy	81,000 +20,456	+34%	+$71.6K	0.09%	82
2019 Q2	$206K	Buy	60,544 +701	+1%	+$2.51K	0.07%	81
2019 Q1	$215K	Hold	59,843	–	–	0.07%	78
2018 Q4	$222K	Buy	59,843 +20,843	+53%	+$74.2K	0.08%	79
2018 Q3	$138K	Buy	39,000 +18,363	+89%	+$64.3K	0.04%	84
2018 Q2	$69K	Buy	+20,637	New	+$69.7K	0.02%	91

Other funds holding APT

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

BCM

Bridgeway Capital Management Houston, Texas $4.97B AUM 44.96% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Needham Investment Management's APT Position: Q1 2026 in Review

Needham Investment Management held its Alpha Pro Tech (APT) position steady in Q1 2026 at 642,500 shares worth $2.85M. The position accounts for 0.15% of the portfolio, ranked #117.

Needham Investment Management first reported a position in APT in Q2 2018 and has held it in 32 quarters since. The position peaked at $3.48M in Q3 2024. 37 funds tracked by Wall St. Rank hold APT as of Q1 2026.

Needham Investment Management held 642,500 shares of Alpha Pro Tech worth $2.85M as of Q1 2026.
Needham Investment Management left its Alpha Pro Tech share count unchanged in Q1 2026.
Alpha Pro Tech made up 0.15% of Needham Investment Management's portfolio in Q1 2026, its #117 holding.
Needham Investment Management first reported a position in Alpha Pro Tech in Q2 2018 and has held it in 32 quarters since.
Needham Investment Management's Alpha Pro Tech position peaked at $3.48M in Q3 2024.
37 funds tracked by Wall St. Rank held Alpha Pro Tech as of Q1 2026.

Based on Needham Investment Management's 13F filing for Q1 2026, filed 15 May 2026.