Citadel Advisors
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Citadel Advisors’s Adtran ADTN Stock Holding History

Citadel Advisors’s Portfolio ADTN Stock Details ADTN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$258K Sell
20,500
-6,600
-24% -$66.9K ﹤0.01% 10827
2025
Q4 		$235K Sell
27,100
-46,400
-63% -$403K ﹤0.01% 10689
2025
Q3 		$689K Buy
73,500
+33,400
+83% +$311K ﹤0.01% 8368
2025
Q2 		$360K Sell
40,100
-18,600
-32% -$148K ﹤0.01% 9388
2025
Q1 		$512K Buy
58,700
+50,000
+575% +$503K ﹤0.01% 8423
2024
Q4 		$72.5K Sell
8,700
-41,800
-83% -$309K ﹤0.01% 11917
2024
Q3 		$299K Sell
50,500
-16,600
-25% -$92.4K ﹤0.01% 9335
2024
Q2 		$353K Buy
67,100
+28,500
+74% +$145K ﹤0.01% 8813
2024
Q1 		$210K Buy
38,600
+30,900
+401% +$197K ﹤0.01% 10220
2023
Q4 		$56.5K Sell
7,700
-2,000
-21% -$13.2K ﹤0.01% 11647
2023
Q3 		$79.8K Sell
9,700
-13,400
-58% -$119K ﹤0.01% 11182
2023
Q2 		$243K Buy
23,100
+19,300
+508% +$191K ﹤0.01% 9466
2023
Q1 		$60.3K Sell
3,800
-2,000
-34% -$34.7K ﹤0.01% 11922
2022
Q4 		$109K Buy
+5,800
New +$116K ﹤0.01% 11099
2020
Q4 		– Sell
-11,200
Closed -$115K – 10851
2020
Q3 		$115K Sell
11,200
-17,000
-60% -$193K ﹤0.01% 9185
2020
Q2 		$308K Buy
28,200
+6,100
+28% +$63K ﹤0.01% 7865
2020
Q1 		$170K Sell
22,100
-27,700
-56% -$237K ﹤0.01% 8171
2019
Q4 		$493K Sell
49,800
-10,100
-17% -$96.2K ﹤0.01% 6826
2019
Q3 		$680K Buy
59,900
+42,000
+235% +$499K ﹤0.01% 6228
2019
Q2 		$273K Sell
17,900
-37,300
-68% -$595K ﹤0.01% 7722
2019
Q1 		$756K Sell
55,200
-51,900
-48% -$717K ﹤0.01% 6083
2018
Q4 		$1.15M Buy
107,100
+13,600
+15% +$185K ﹤0.01% 5090
2018
Q3 		$1.65M Buy
93,500
+63,600
+213% +$1.06M ﹤0.01% 4717
2018
Q2 		$444K Buy
29,900
+5,400
+22% +$80.5K ﹤0.01% 6562
2018
Q1 		$381K Buy
+24,500
New +$409K ﹤0.01% 6343
2017
Q2 		– Sell
-11,400
Closed -$237K – 7405
2017
Q1 		$237K Buy
11,400
+1,400
+14% +$30.4K ﹤0.01% 6246
2016
Q4 		$224K Buy
+10,000
New +$202K ﹤0.01% 6131
2016
Q2 		– Sell
-10,900
Closed -$220K – 6766
2016
Q1 		$220K Sell
10,900
-14,500
-57% -$268K ﹤0.01% 5517
2015
Q4 		$437K Buy
25,400
+5,100
+25% +$81.2K ﹤0.01% 4646
2015
Q3 		$296K Buy
20,300
+13,200
+186% +$208K ﹤0.01% 5573
2015
Q2 		$115K Buy
7,100
+2,000
+39% +$34.3K ﹤0.01% 6949
2015
Q1 		$95K Sell
5,100
-4,400
-46% -$93.6K ﹤0.01% 6873
2014
Q4 		$207K Sell
9,500
-30,600
-76% -$628K ﹤0.01% 5943
2014
Q3 		$823K Buy
40,100
+14,300
+55% +$320K ﹤0.01% 3958
2014
Q2 		$582K Buy
25,800
+7,000
+37% +$158K ﹤0.01% 4189
2014
Q1 		$459K Buy
18,800
+9,400
+100% +$242K ﹤0.01% 4456
2013
Q4 		$254K Buy
9,400
+1,300
+16% +$32.7K ﹤0.01% 4770
2013
Q3 		$216K Sell
8,100
-3,100
-28% -$80.4K ﹤0.01% 4690
2013
Q2 		$276K Buy
+11,200
New +$248K ﹤0.01% 4372

Other funds holding ADTN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
DnB Asset Management
DnB Asset Management Oslo, Norway $28B AUM 26% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Citadel Advisors's ADTN Position: Q1 2026 in Review

Citadel Advisors increased its Adtran (ADTN) stake by 300% in Q1 2026, buying an estimated $2.99M and bringing the position to 393,734 shares worth $4.95M. The position accounts for ﹤0.01% of the portfolio, ranked #4353.

Citadel Advisors first reported a position in ADTN in Q2 2013 and has held it in 50 quarters since. The position peaked at $85.9M in Q4 2013. 227 funds tracked by Wall St. Rank hold ADTN as of Q1 2026.

  • Citadel Advisors held 393,734 shares of Adtran worth $4.95M as of Q1 2026.
  • Citadel Advisors bought 295,339 Adtran shares in Q1 2026, an estimated $2.99M.
  • Adtran made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #4353 holding.
  • Citadel Advisors first reported a position in Adtran in Q2 2013 and has held it in 50 quarters since.
  • Citadel Advisors's Adtran position peaked at $85.9M in Q4 2013.
  • 227 funds tracked by Wall St. Rank held Adtran as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.