Ticker · CUSIP 00486H105

ADTN

ADTRAN HOLDINGS INC

Technology·Communication Equipment

···Share

Holders (tracked)

Combined shares

7,309,281

Combined value

$63.52M

Last close

$16.96

Quarter

2025Q4

Price is +95.2% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$16.96+9.53 (+128.26%)H $16.96 · L $7.18 · Avg Vol 1.4M

Position opened

Tracked holders · last 8 quarters

+1 vs previous quarter over the last 8.

SEC event timeline

20 events

AQR Capital Management added2026-02-17
+60,506 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) trimmed2026-02-17
−1,120,473 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+3,299 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+947,508 shares · 2025Q4
Position
D.E. Shaw & Co. added2026-02-17
+873,904 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−36,159 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+2,122,844 shares · 2025Q4
Position
Steve Cohen (Point72) added2026-02-17
+300,685 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−19,794 shares · 2025Q4
Position
First Eagle Investment Management added2026-02-04
+26,000 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) exited2025-12-09
−167,921 shares · 2025Q3
Position
AQR Capital Management trimmed2025-11-14
−67,928 shares · 2025Q3
Position
Steve Cohen (Point72) added2025-11-14
+76,877 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+26,828 shares · 2025Q3
Position
D.E. Shaw & Co. opened position2025-11-14
+324,869 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+2,137 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+365,520 shares · 2025Q3
Position
Renaissance Technologies trimmed2025-11-13
−397,206 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−198,100 shares · 2025Q3
Position
First Eagle Investment Management added2025-11-12
+75,600 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for ADTN →

Follow-the-investor returns

If you'd copied each holder of ADTN…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Two Sigma Investments	2023Q4	$7.09	+139.3%	$1.2M
First Eagle Investment Management	2022Q3	$8.11	+109.2%	$20.9M
AQR Capital Management	2022Q3	$8.33	+103.7%	$4.0M
Paul Tudor Jones (Tudor Investment)	2022Q3	$8.54	+98.6%	$16.1M
Izzy Englander (Millennium Mgmt)	2022Q3	$8.64	+96.2%	$45.7M
D.E. Shaw & Co.	2022Q3	$8.72	+94.6%	$20.3M
Steve Cohen (Point72)	2023Q4	$8.75	+93.8%	$7.1M
Ken Griffin (Citadel Advisors)	2022Q3	$8.82	+92.4%	$1.7M
Ken Griffin (Citadel Advisors)	2022Q3	$8.82	+92.4%	$1.7M
Ken Griffin (Citadel Advisors)	2022Q3	$8.82	+92.4%	$1.7M
Renaissance Technologies	2022Q3	$11.34	+49.6%	$4.3M
T. Rowe Price	2022Q3	$12.76	+33.0%	$1.8M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions1

Paul Tudor Jones (Tudor Investment)
+947,508
$8.2M

Added to6

Izzy Englander (Millennium Mgmt)
+2,122,844
$18.4M
D.E. Shaw & Co.
+873,904
$7.6M
Steve Cohen (Point72)
+300,685
$2.6M
AQR Capital Management
+60,506
$526K
First Eagle Investment Management
+26,000
$226K
T. Rowe Price
+3,299
$29

Trimmed3

Ken Griffin (Citadel Advisors)
−1,120,473
$9.7M
Two Sigma Investments
−36,159
$314K
Renaissance Technologies
−19,794
$172K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q3	11	13,316,118	$260.7M	—
2022Q4	11	14,294,806	$268.6M	—
2023Q1	11	14,517,469	$230.2M	—
2023Q2	11	15,645,471	$164.7M	—
2023Q3	11	15,816,329	$130.2M	—
2023Q4	11	15,571,708	$114.3M	—
2024Q1	11	14,658,988	$79.7M	—
2024Q2	12	12,091,664	$63.6M	+1
2024Q3	12	4,521,254	$26.8M	—
2024Q4	11	3,901,923	$32.5M	-1
2025Q1	12	3,727,435	$32.5M	+1
2025Q2	12	3,316,663	$29.8M	—
2025Q3	11	4,269,361	$40.0M	-1
2025Q4	12	7,309,281	$63.5M	+1

Who owns ADTN

12 super-investors · 2025Q4

Tracked stake

7.31M

Combined value

$64M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New1Added6Trim5

#	Manager	Shares	Value	% of book	Last action
1	Izzy Englander Millennium Mgmt	2.69M	$23M	0.0%	Added+2.12M
2	First Eagle Investment Management	1.24M	$11M	0.0%	Added+26.0K
3	D.E. Shaw & Co.	1.20M	$10M	0.0%	Added+873.9K
4	Paul Tudor Jones Tudor Investment	947.5K	$8M	0.0%	New+947.5K
5	Steve Cohen Point72	421.4K	$4M	0.0%	Added+300.7K
6	Renaissance Technologies	251.8K	$2M	0.0%	Trim−19.8K
7	AQR Capital Management	236.9K	$2M	0.0%	Added+60.5K
8	T. Rowe Price	108.7K	$945K	0.0%	Added+3.3K
9	Ken Griffin Citadel Advisors	98.4K	$855K	0.0%	Trim−1.12M
10	Two Sigma Investments	70.5K	$613K	0.0%	Trim−36.2K
11	Ken Griffin Citadel Advisors	27.1K	$235K	0.0%	Trim−1.12M
12	Ken Griffin Citadel Advisors	18.1K	$157K	0.0%	Trim−1.12M

Recent moves

20 transactions

ADDD.E. Shaw & Co.
+873,904 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+2,122,844 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+947,508 · 2025Q4
TRIMTwo Sigma Investments
−36,159 · 2025Q4
TRIMKen Griffin (Citadel Advisors)
−1,120,473 · 2025Q4
ADDSteve Cohen (Point72)
+300,685 · 2025Q4
ADDT. Rowe Price
+3,299 · 2025Q4
ADDAQR Capital Management
+60,506 · 2025Q4
TRIMRenaissance Technologies
−19,794 · 2025Q4
ADDFirst Eagle Investment Management
+26,000 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−167,921 · 2025Q3
TRIMAQR Capital Management
−67,928 · 2025Q3
ADDTwo Sigma Investments
+26,828 · 2025Q3
ADDSteve Cohen (Point72)
+76,877 · 2025Q3
NEWD.E. Shaw & Co.
+324,869 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+365,520 · 2025Q3
ADDT. Rowe Price
+2,137 · 2025Q3
TRIMRenaissance Technologies
−397,206 · 2025Q3
SOLDNorges Bank (Norway SWF)
−198,100 · 2025Q3
ADDFirst Eagle Investment Management
+75,600 · 2025Q3

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