BlackRock
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BlackRock’s Anterix ATEX Stock Holding History

BlackRock’s Portfolio ATEX Stock Details ATEX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$38.5M Sell
1,007,143
-11,132
-1% -$352K ﹤0.01% 2687
2025
Q4 		$22.2M Sell
1,018,275
-13,460
-1% -$280K ﹤0.01% 3039
2025
Q3 		$22.2M Sell
1,031,735
-108,744
-10% -$2.44M ﹤0.01% 3039
2025
Q2 		$29.3M Buy
1,140,479
+138,988
+14% +$4.07M ﹤0.01% 2803
2025
Q1 		$36.7M Buy
1,001,491
+19,862
+2% +$683K ﹤0.01% 2552
2024
Q4 		$30.1M Sell
981,629
-13,998
-1% -$465K ﹤0.01% 2787
2024
Q3 		$37.5M Sell
995,627
-114,646
-10% -$4.42M ﹤0.01% 2659
2024
Q2 		$44M Sell
1,110,273
-15,591
-1% -$505K ﹤0.01% 2492
2024
Q1 		$37.8M Sell
1,125,864
-38,513
-3% -$1.29M ﹤0.01% 2614
2023
Q4 		$38.8M Buy
1,164,377
+72,001
+7% +$2.32M ﹤0.01% 2638
2023
Q3 		$34.3M Sell
1,092,376
-250,822
-19% -$7.89M ﹤0.01% 2627
2023
Q2 		$42.6M Buy
1,343,198
+18,811
+1% +$608K ﹤0.01% 2584
2023
Q1 		$43.8M Buy
1,324,387
+35,656
+3% +$1.17M ﹤0.01% 2538
2022
Q4 		$41.5M Buy
1,288,731
+52,853
+4% +$1.8M ﹤0.01% 2597
2022
Q3 		$44.1M Buy
1,235,878
+305,576
+33% +$12.7M ﹤0.01% 2535
2022
Q2 		$38.2M Buy
930,302
+27,805
+3% +$1.35M ﹤0.01% 2671
2022
Q1 		$52.3M Sell
902,497
-12,429
-1% -$680K ﹤0.01% 2561
2021
Q4 		$53.8M Buy
914,926
+74,613
+9% +$4.53M ﹤0.01% 2615
2021
Q3 		$51M Buy
840,313
+11,855
+1% +$695K ﹤0.01% 2651
2021
Q2 		$49.7M Sell
828,458
-2,645
-0.3% -$133K ﹤0.01% 2709
2021
Q1 		$39.2M Buy
831,103
+13,408
+2% +$552K ﹤0.01% 2785
2020
Q4 		$30.7M Buy
817,695
+41,992
+5% +$1.38M ﹤0.01% 2776
2020
Q3 		$25.4M Sell
775,703
-147,762
-16% -$6.26M ﹤0.01% 2728
2020
Q2 		$41.9M Buy
923,465
+156,946
+20% +$8.02M ﹤0.01% 2366
2020
Q1 		$35M Sell
766,519
-33,615
-4% -$1.52M ﹤0.01% 2285
2019
Q4 		$34.6M Buy
800,134
+67,815
+9% +$2.76M ﹤0.01% 2578
2019
Q3 		$26.5M Buy
732,319
+70,460
+11% +$2.97M ﹤0.01% 2656
2019
Q2 		$31.1M Sell
661,859
-12,103
-2% -$512K ﹤0.01% 2590
2019
Q1 		$23.7M Buy
673,962
+11,859
+2% +$466K ﹤0.01% 2661
2018
Q4 		$24.8M Sell
662,103
-45,919
-6% -$1.79M ﹤0.01% 2602
2018
Q3 		$24M Buy
708,022
+24,085
+4% +$705K ﹤0.01% 2767
2018
Q2 		$17.1M Buy
683,937
+45,248
+7% +$1.26M ﹤0.01% 2952
2018
Q1 		$19.1M Sell
638,689
-7,697
-1% -$258K ﹤0.01% 2804
2017
Q4 		$20.7M Buy
646,386
+10,333
+2% +$333K ﹤0.01% 2766
2017
Q3 		$19M Buy
636,053
+1,930
+0.3% +$52.8K ﹤0.01% 2839
2017
Q2 		$14.8M Sell
634,123
-29,200
-4% -$679K ﹤0.01% 2954
2017
Q1 		$14.5M Buy
663,323
+660,970
+28,091% +$14.9M ﹤0.01% 2937
2016
Q4 		$53K Sell
2,353
-139
-6% -$3.35K ﹤0.01% 2901
2016
Q3 		$57K Sell
2,492
-136
-5% -$3.04K ﹤0.01% 2899
2016
Q2 		$57K Buy
2,628
+1,738
+195% +$54.7K ﹤0.01% 2869
2016
Q1 		$31K Buy
890
+583
+190% +$15.4K ﹤0.01% 2613
2015
Q4 		$8K Hold
307
– – ﹤0.01% 2965
2015
Q3 		$9K Hold
307
– – ﹤0.01% 2758
2015
Q2 		$13K Buy
+307
New +$14.5K ﹤0.01% 2617

Other funds holding ATEX

OCAM
Owl Creek Asset Management New York $1.38B AUM 59.67% 1-Year Est. Return
HCL
Heard Capital LLC Chicago, Illinois $1.93B AUM 21.66% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
QF
QVT Financial New York $1.37B AUM 148.1% 1-Year Est. Return
PM
Plustick Management Charlottesville, Virginia $207M AUM 253.94% 1-Year Est. Return
GI
GAMCO Investors Greenwich, Connecticut $10.2B AUM 30.27% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

BlackRock's ATEX Position: Q1 2026 in Review

BlackRock reduced its Anterix (ATEX) stake by 1.1% in Q1 2026, selling an estimated $352K and leaving 1,007,143 shares worth $38.5M. The position accounts for ﹤0.01% of the portfolio, ranked #2687.

BlackRock first reported a position in ATEX in Q2 2015 and has held it in 44 quarters since. The position peaked at $53.8M in Q4 2021. 132 funds tracked by Wall St. Rank hold ATEX as of Q1 2026.

  • BlackRock held 1,007,143 shares of Anterix worth $38.5M as of Q1 2026.
  • BlackRock sold 11,132 Anterix shares in Q1 2026, an estimated $352K.
  • Anterix made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #2687 holding.
  • BlackRock first reported a position in Anterix in Q2 2015 and has held it in 44 quarters since.
  • BlackRock's Anterix position peaked at $53.8M in Q4 2021.
  • 132 funds tracked by Wall St. Rank held Anterix as of Q1 2026.

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