Citadel Advisors
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Citadel Advisors’s Anterix ATEX Stock Holding History

Citadel Advisors’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 		$9.33M Buy
90,600
+43,500
+92% +$2.55M ﹤0.01% 3678
2026
Q1 		$1.8M Buy
+47,100
New +$1.49M ﹤0.01% 6304
2025
Q3 		– Sell
-14,800
Closed -$380K – 12718
2025
Q2 		$380K Buy
14,800
+3,500
+31% +$102K ﹤0.01% 9270
2025
Q1 		$414K Sell
11,300
-1,600
-12% -$55K ﹤0.01% 8899
2024
Q4 		$396K Buy
12,900
+3,200
+33% +$106K ﹤0.01% 9080
2024
Q3 		$365K Sell
9,700
-3,600
-27% -$139K ﹤0.01% 8900
2024
Q2 		$527K Buy
13,300
+3,000
+29% +$97.1K ﹤0.01% 7944
2024
Q1 		$346K Sell
10,300
-11,600
-53% -$390K ﹤0.01% 9168
2023
Q4 		$730K Sell
21,900
-30,100
-58% -$971K ﹤0.01% 7300
2023
Q3 		$1.63M Buy
52,000
+34,400
+195% +$1.08M ﹤0.01% 5583
2023
Q2 		$558K Sell
17,600
-3,900
-18% -$126K ﹤0.01% 7709
2023
Q1 		$710K Sell
21,500
-14,000
-39% -$459K ﹤0.01% 7533
2022
Q4 		$1.14M Buy
35,500
+17,200
+94% +$586K ﹤0.01% 6554
2022
Q3 		$654K Buy
+18,300
New +$760K ﹤0.01% 7885
2022
Q2 		– Sell
-5,200
Closed -$301K – 12826
2022
Q1 		$301K Buy
5,200
+300
+6% +$16.4K ﹤0.01% 10586
2021
Q4 		$288K Sell
4,900
-2,100
-30% -$127K ﹤0.01% 11012
2021
Q3 		$425K Sell
7,000
-47,100
-87% -$2.76M ﹤0.01% 10264
2021
Q2 		$3.25M Sell
54,100
-40,000
-43% -$2M ﹤0.01% 5413
2021
Q1 		$4.44M Buy
94,100
+32,200
+52% +$1.33M ﹤0.01% 4523
2020
Q4 		$2.33M Sell
61,900
-122,600
-66% -$4.04M ﹤0.01% 5041
2020
Q3 		$6.04M Buy
184,500
+130,500
+242% +$5.52M ﹤0.01% 2889
2020
Q2 		$2.45M Buy
54,000
+45,000
+500% +$2.3M ﹤0.01% 4205
2020
Q1 		$411K Buy
+9,000
New +$407K ﹤0.01% 6780

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

Citadel Advisors's ATEX Position: Q2 2026 in Review

Citadel Advisors reduced its Anterix (ATEX) stake by 94% in Q2 2026, selling an estimated $8.93M and leaving 9,014 shares worth $928K. The position accounts for ﹤0.01% of the portfolio, ranked #8388.

Citadel Advisors first reported a position in ATEX in Q2 2018 and has held it in 28 quarters since. The position peaked at $9.12M in Q1 2025. 172 funds tracked by Wall St. Rank hold ATEX as of Q2 2026.

  • Citadel Advisors held 9,014 shares of Anterix worth $928K as of Q2 2026.
  • Citadel Advisors sold 152,149 Anterix shares in Q2 2026, an estimated $8.93M.
  • Anterix made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #8388 holding.
  • Citadel Advisors first reported a position in Anterix in Q2 2018 and has held it in 28 quarters since.
  • Citadel Advisors's Anterix position peaked at $9.12M in Q1 2025.
  • 172 funds tracked by Wall St. Rank held Anterix as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.