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 		$4K Sell
900
-1,100
-55% -$5.41K ﹤0.01% 6798
2025
Q4 		$8.88K Sell
2,000
-36,800
-95% -$169K ﹤0.01% 6873
2025
Q3 		$186K Buy
38,800
+34,000
+708% +$163K ﹤0.01% 4747
2025
Q2 		$22.5K Sell
4,800
-6,600
-58% -$29.9K ﹤0.01% 6189
2025
Q1 		$57K Sell
11,400
-8,800
-44% -$47K ﹤0.01% 5060
2024
Q4 		$107K Buy
20,200
+10,200
+102% +$56K ﹤0.01% 4465
2024
Q3 		$57K Buy
+10,000
New +$57.8K ﹤0.01% 4563
2024
Q2 		– Sell
-100
Closed -$624 – 6669
2024
Q1 		$624 Sell
100
-56,300
-100% -$308K ﹤0.01% 6707
2023
Q4 		$298K Sell
56,400
-8,200
-13% -$37.6K ﹤0.01% 3509
2023
Q3 		$280K Buy
64,600
+1,700
+3% +$7.07K ﹤0.01% 3498
2023
Q2 		$250K Buy
62,900
+3,400
+6% +$13.4K ﹤0.01% 3707
2023
Q1 		$248K Sell
59,500
-125,800
-68% -$522K ﹤0.01% 3466
2022
Q4 		$745K Sell
185,300
-24,200
-12% -$98.6K ﹤0.01% 2682
2022
Q3 		$848K Sell
209,500
-49,600
-19% -$216K ﹤0.01% 2742
2022
Q2 		$1.16M Buy
259,100
+79,800
+45% +$340K ﹤0.01% 2613
2022
Q1 		$753K Buy
179,300
+40,100
+29% +$186K ﹤0.01% 3382
2021
Q4 		$831K Buy
139,200
+2,800
+2% +$16.3K ﹤0.01% 3549
2021
Q3 		$918K Buy
136,400
+51,800
+61% +$428K ﹤0.01% 3504
2021
Q2 		$725K Hold
84,600
– – ﹤0.01% 3794
2021
Q1 		$826K Buy
84,600
+38,400
+83% +$509K ﹤0.01% 3454
2020
Q4 		$515K Sell
46,200
-4,600
-9% -$62.1K ﹤0.01% 3236
2020
Q3 		$751K Sell
50,800
-49,500
-49% -$839K ﹤0.01% 2463
2020
Q2 		$1.77M Sell
100,300
-965,200
-91% -$13.3M 0.01% 1553
2020
Q1 		$12.9M Buy
+1,065,500
New +$8.9M 0.1% 183

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.