Group One Trading
APT icon

Group One Trading’s Alpha Pro Tech APT Stock Holding History

Group One Trading’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 		$502K Buy
+113,071
New +$556K ﹤0.01% 3346
2025
Q4 		– Sell
-13,559
Closed -$62.4K – 8069
2025
Q3 		$64.9K Sell
13,559
-2,473
-15% -$11.8K ﹤0.01% 5741
2025
Q2 		$75.2K Buy
16,032
+11,465
+251% +$51.9K ﹤0.01% 5223
2025
Q1 		$22.8K Buy
+4,567
New +$24.4K ﹤0.01% 5736
2024
Q3 		– Sell
-11,650
Closed -$67.3K – 6600
2024
Q2 		$64.1K Sell
11,650
-1,044
-8% -$5.83K ﹤0.01% 4329
2024
Q1 		$79.2K Buy
+12,694
New +$69.5K ﹤0.01% 4346
2023
Q2 		– Sell
-2,514
Closed -$9.89K – 7613
2023
Q1 		$10.5K Sell
2,514
-66,815
-96% -$277K ﹤0.01% 5908
2022
Q4 		$279K Buy
69,329
+34,075
+97% +$139K ﹤0.01% 3566
2022
Q3 		$143K Sell
35,254
-22,692
-39% -$98.7K ﹤0.01% 4449
2022
Q2 		$258K Buy
57,946
+32,319
+126% +$138K ﹤0.01% 4049
2022
Q1 		$108K Sell
25,627
-17,495
-41% -$81.3K ﹤0.01% 5411
2021
Q4 		$257K Buy
43,122
+36,372
+539% +$212K ﹤0.01% 4822
2021
Q3 		$45K Sell
6,750
-41,463
-86% -$342K ﹤0.01% 6616
2021
Q2 		$413K Sell
48,213
-7,322
-13% -$63.9K ﹤0.01% 4439
2021
Q1 		$542K Buy
55,535
+28,424
+105% +$377K ﹤0.01% 3946
2020
Q4 		$302K Buy
27,111
+9,097
+50% +$123K ﹤0.01% 3728
2020
Q3 		$266K Buy
+18,014
New +$305K ﹤0.01% 3419
2017
Q1 		– Sell
-700
Closed -$2K – 4599
2016
Q4 		$2K Hold
700
– – ﹤0.01% 4237
2016
Q3 		$3K Buy
+700
New +$2.03K ﹤0.01% 4286
2015
Q3 		– Sell
-12,724
Closed -$29K – 4833
2015
Q2 		$29K Sell
12,724
-3,600
-22% -$8.38K ﹤0.01% 3850
2015
Q1 		$37K Sell
16,324
-2,360
-13% -$6.05K ﹤0.01% 3530
2014
Q4 		$48K Buy
+18,684
New +$66.4K ﹤0.01% 3390

Other funds holding APT

NIM
Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
BCM
Bridgeway Capital Management Houston, Texas $4.97B AUM 44.96% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Group One Trading's APT Position: Q1 2026 in Review

Group One Trading opened a new position in Alpha Pro Tech (APT) in Q1 2026: 113,071 shares worth $502K. The stake represents ﹤0.01% of the portfolio and ranks #3346 among its holdings. This is a return to the name: Group One Trading previously reported a position in APT as recently as Q3 2025.

Group One Trading first reported a position in APT in Q4 2014 and has held it in 22 quarters since. The position peaked at $542K in Q1 2021. 37 funds tracked by Wall St. Rank hold APT as of Q1 2026.

  • Group One Trading held 113,071 shares of Alpha Pro Tech worth $502K as of Q1 2026.
  • Alpha Pro Tech was a new Group One Trading position in Q1 2026.
  • Alpha Pro Tech made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #3346 holding.
  • Group One Trading first reported a position in Alpha Pro Tech in Q4 2014 and has held it in 22 quarters since.
  • Group One Trading's Alpha Pro Tech position peaked at $542K in Q1 2021.
  • 37 funds tracked by Wall St. Rank held Alpha Pro Tech as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.