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 		$135K Buy
30,400
+24,600
+424% +$121K ﹤0.01% 4451
2025
Q4 		$25.8K Sell
5,800
-600
-9% -$2.76K ﹤0.01% 6159
2025
Q3 		$30.6K Sell
6,400
-93,000
-94% -$445K ﹤0.01% 6351
2025
Q2 		$466K Buy
99,400
+84,300
+558% +$382K ﹤0.01% 3489
2025
Q1 		$75.5K Sell
15,100
-13,800
-48% -$73.8K ﹤0.01% 4831
2024
Q4 		$153K Sell
28,900
-9,100
-24% -$50K ﹤0.01% 4145
2024
Q3 		$217K Buy
38,000
+37,200
+4,650% +$215K ﹤0.01% 3546
2024
Q2 		$4.4K Sell
800
-17,700
-96% -$98.8K ﹤0.01% 6004
2024
Q1 		$115K Sell
18,500
-391,000
-95% -$2.14M ﹤0.01% 4035
2023
Q4 		$2.17M Buy
409,500
+6,800
+2% +$31.2K 0.01% 1806
2023
Q3 		$1.75M Buy
402,700
+298,500
+286% +$1.24M 0.01% 1759
2023
Q2 		$415K Buy
104,200
+67,800
+186% +$267K ﹤0.01% 3202
2023
Q1 		$151K Sell
36,400
-13,200
-27% -$54.8K ﹤0.01% 3916
2022
Q4 		$199K Sell
49,600
-45,900
-48% -$187K ﹤0.01% 3866
2022
Q3 		$387K Sell
95,500
-69,000
-42% -$300K ﹤0.01% 3487
2022
Q2 		$734K Buy
164,500
+44,600
+37% +$190K ﹤0.01% 3057
2022
Q1 		$504K Sell
119,900
-67,900
-36% -$316K ﹤0.01% 3801
2021
Q4 		$1.12M Buy
187,800
+8,200
+5% +$47.8K ﹤0.01% 3238
2021
Q3 		$1.21M Buy
179,600
+149,300
+493% +$1.23M ﹤0.01% 3205
2021
Q2 		$260K Buy
30,300
+8,100
+36% +$70.6K ﹤0.01% 4937
2021
Q1 		$217K Sell
22,200
-66,200
-75% -$878K ﹤0.01% 4949
2020
Q4 		$986K Buy
88,400
+71,000
+408% +$958K ﹤0.01% 2654
2020
Q3 		$257K Sell
17,400
-250,900
-94% -$4.25M ﹤0.01% 3448
2020
Q2 		$4.75M Sell
268,300
-304,200
-53% -$4.2M 0.02% 837
2020
Q1 		$6.92M Buy
+572,500
New +$4.78M 0.06% 389
2019
Q3 		– Sell
-500
Closed -$2K – 5108
2019
Q2 		$2K Hold
500
– – ﹤0.01% 4743
2019
Q1 		$2K Buy
+500
New +$1.96K ﹤0.01% 4565
2017
Q4 		– Sell
-1,500
Closed -$6K – 4809
2017
Q3 		$6K Hold
1,500
– – ﹤0.01% 4421
2017
Q2 		$4K Buy
+1,500
New +$4.29K ﹤0.01% 4452

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.