BlackRock
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BlackRock’s Alpha Pro Tech APT Stock Holding History

BlackRock’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 		$1.21M Buy
271,800
+1,391
+0.5% +$6.84K ﹤0.01% 4273
2025
Q4 		$1.2M Sell
270,409
-1,407
-0.5% -$6.47K ﹤0.01% 4252
2025
Q3 		$1.3M Buy
271,816
+664
+0.2% +$3.18K ﹤0.01% 4211
2025
Q2 		$1.27M Sell
271,152
-1,792
-0.7% -$8.12K ﹤0.01% 4177
2025
Q1 		$1.36M Buy
272,944
+48
+0% +$257 ﹤0.01% 4098
2024
Q4 		$1.44M Sell
272,896
-72
-0% -$395 ﹤0.01% 4130
2024
Q3 		$1.56M Buy
272,968
+925
+0.3% +$5.35K ﹤0.01% 4070
2024
Q2 		$1.5M Buy
272,043
+1,172
+0.4% +$6.54K ﹤0.01% 4054
2024
Q1 		$1.69M Buy
270,871
+46,738
+21% +$256K ﹤0.01% 4060
2023
Q4 		$1.19M Sell
224,133
-1,970
-0.9% -$9.04K ﹤0.01% 4205
2023
Q3 		$981K Sell
226,103
-272
-0.1% -$1.13K ﹤0.01% 4249
2023
Q2 		$901K Buy
226,375
+1,318
+0.6% +$5.19K ﹤0.01% 4317
2023
Q1 		$936K Buy
225,057
+852
+0.4% +$3.54K ﹤0.01% 4356
2022
Q4 		$901K Buy
224,205
+369
+0.2% +$1.5K ﹤0.01% 4438
2022
Q3 		$906K Sell
223,836
-18,085
-7% -$78.7K ﹤0.01% 4512
2022
Q2 		$1.08M Sell
241,921
-1,867
-0.8% -$7.95K ﹤0.01% 4506
2022
Q1 		$1.02M Sell
243,788
-1,369
-0.6% -$6.36K ﹤0.01% 4658
2021
Q4 		$1.46M Buy
245,157
+2,097
+0.9% +$12.2K ﹤0.01% 4520
2021
Q3 		$1.64M Buy
243,060
+28,392
+13% +$234K ﹤0.01% 4398
2021
Q2 		$1.84M Sell
214,668
-732,022
-77% -$6.38M ﹤0.01% 4306
2021
Q1 		$9.24M Buy
946,690
+8,836
+0.9% +$117K ﹤0.01% 3620
2020
Q4 		$10.5M Buy
937,854
+269,605
+40% +$3.64M ﹤0.01% 3338
2020
Q3 		$9.88M Sell
668,249
-39,254
-6% -$665K ﹤0.01% 3224
2020
Q2 		$12.5M Buy
707,503
+668,367
+1,708% +$9.23M ﹤0.01% 3056
2020
Q1 		$472K Sell
39,136
-9,274
-19% -$77.5K ﹤0.01% 4071
2019
Q4 		$166K Sell
48,410
-118
-0.2% -$412 ﹤0.01% 4348
2019
Q3 		$176K Sell
48,528
-1,245
-3% -$4.36K ﹤0.01% 4341
2019
Q2 		$170K Buy
49,773
+2,735
+6% +$9.8K ﹤0.01% 4387
2019
Q1 		$170K Sell
47,038
-3,186
-6% -$12.5K ﹤0.01% 4266
2018
Q4 		$186K Buy
50,224
+410
+0.8% +$1.46K ﹤0.01% 4244
2018
Q3 		$177K Buy
49,814
+1,988
+4% +$6.96K ﹤0.01% 4342
2018
Q2 		$160K Buy
47,826
+5,618
+13% +$19K ﹤0.01% 4364
2018
Q1 		$141K Sell
42,208
-544
-1% -$1.98K ﹤0.01% 4277
2017
Q4 		$171K Buy
42,752
+1,880
+5% +$7.5K ﹤0.01% 4240
2017
Q3 		$158K Sell
40,872
-1,138
-3% -$3.92K ﹤0.01% 4277
2017
Q2 		$124K Sell
42,010
-7,516
-15% -$21.5K ﹤0.01% 4361
2017
Q1 		$136K Buy
+49,526
New +$150K ﹤0.01% 4283

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
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
Group One Trading
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
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

BlackRock's APT Position: Q1 2026 in Review

BlackRock increased its Alpha Pro Tech (APT) stake by 0.51% in Q1 2026, buying an estimated $6.84K and bringing the position to 271,800 shares worth $1.21M. The position accounts for ﹤0.01% of the portfolio, ranked #4273.

BlackRock first reported a position in APT in Q1 2017 and has held it in 37 quarters since. The position peaked at $12.5M in Q2 2020. 37 funds tracked by Wall St. Rank hold APT as of Q1 2026.

  • BlackRock held 271,800 shares of Alpha Pro Tech worth $1.21M as of Q1 2026.
  • BlackRock bought 1,391 Alpha Pro Tech shares in Q1 2026, an estimated $6.84K.
  • Alpha Pro Tech made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #4273 holding.
  • BlackRock first reported a position in Alpha Pro Tech in Q1 2017 and has held it in 37 quarters since.
  • BlackRock's Alpha Pro Tech position peaked at $12.5M in Q2 2020.
  • 37 funds tracked by Wall St. Rank held Alpha Pro Tech as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.