Simplex Trading
ATEX icon

Simplex Trading’s Anterix ATEX Stock Holding History

Simplex Trading’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
Q2 		$554K Sell
5,377
-38,373
-88% -$2.25M ﹤0.01% 3478
2026
Q1 		$1.67M Buy
43,750
+21,200
+94% +$671K ﹤0.01% 1991
2025
Q4 		$492K Buy
22,550
+19,582
+660% +$407K ﹤0.01% 3317
2025
Q3 		$63K Buy
+2,968
New +$66.6K ﹤0.01% 6215
2025
Q2 		– Sell
-12,634
Closed -$370K – 8581
2025
Q1 		$462K Buy
12,634
+12,511
+10,172% +$430K ﹤0.01% 3471
2024
Q4 		$3K Buy
123
+27
+28% +$898 ﹤0.01% 7823
2024
Q3 		$3K Buy
+96
New +$3.7K ﹤0.01% 7805
2024
Q2 		– Sell
-13,667
Closed -$442K – 8729
2024
Q1 		$459K Buy
13,667
+9,216
+207% +$310K ﹤0.01% 3944
2023
Q4 		$148K Buy
4,451
+288
+7% +$9.29K ﹤0.01% 4989
2023
Q3 		$130K Buy
4,163
+3,598
+637% +$113K ﹤0.01% 4819
2023
Q2 		$17K Sell
565
-4,503
-89% -$146K ﹤0.01% 6913
2023
Q1 		$167K Buy
5,068
+3,362
+197% +$110K ﹤0.01% 4533
2022
Q4 		$54K Sell
1,706
-978
-36% -$33.3K ﹤0.01% 5776
2022
Q3 		$95K Sell
2,684
-1,139
-30% -$47.3K ﹤0.01% 5601
2022
Q2 		$157K Sell
3,823
-5,696
-60% -$277K ﹤0.01% 4925
2022
Q1 		$551K Buy
9,519
+9,262
+3,604% +$507K ﹤0.01% 3729
2021
Q4 		$15K Sell
257
-15,590
-98% -$946K ﹤0.01% 8658
2021
Q3 		$950K Hold
15,847
– – ﹤0.01% 3145
2021
Q2 		$950K Sell
15,847
-1,441
-8% -$72.2K ﹤0.01% 3194
2021
Q1 		$815K Buy
17,288
+10,124
+141% +$417K ﹤0.01% 2671
2020
Q4 		$0 Buy
7,164
+1,397
+24% +$46K ﹤0.01% 8298
2020
Q3 		$0 Sell
5,767
-6,982
-55% -$296K ﹤0.01% 7751
2020
Q2 		$578K Buy
12,749
+11,455
+885% +$585K ﹤0.01% 2734
2020
Q1 		$59K Buy
1,294
+775
+149% +$35.1K ﹤0.01% 4958
2019
Q4 		$22K Buy
+519
New +$21.2K ﹤0.01% 5863

Other funds holding ATEX

OCAM
Owl Creek Asset Management New York $1.21B AUM 169.99% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
HCL
Heard Capital LLC Chicago, Illinois $2.34B AUM 46.76% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
PM
Plustick Management Charlottesville, Virginia $269M AUM 340.55% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
GI
GAMCO Investors Greenwich, Connecticut $11.1B AUM 41.79% 1-Year Est. Return

Simplex Trading's ATEX Position: Q2 2026 in Review

Simplex Trading reduced its Anterix (ATEX) stake by 88% in Q2 2026, selling an estimated $2.25M and leaving 5,377 shares worth $554K. The position accounts for ﹤0.01% of the portfolio, ranked #3478.

Simplex Trading first reported a position in ATEX in Q4 2019 and has held it in 25 quarters since. The position peaked at $1.67M in Q1 2026. 172 funds tracked by Wall St. Rank hold ATEX as of Q2 2026.

  • Simplex Trading held 5,377 shares of Anterix worth $554K as of Q2 2026.
  • Simplex Trading sold 38,373 Anterix shares in Q2 2026, an estimated $2.25M.
  • Anterix made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #3478 holding.
  • Simplex Trading first reported a position in Anterix in Q4 2019 and has held it in 25 quarters since.
  • Simplex Trading's Anterix position peaked at $1.67M in Q1 2026.
  • 172 funds tracked by Wall St. Rank held Anterix as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.