ADTRAN Holdings ADTN Institutional Ownership

NASDAQ ADTN

$7.10 -0.05 (-0.70%)

At close: Sep 4, 2026 · 4:00 PM EDT

Institutions by Trading Activity

250 Institutions

Increased 146 58.4%

Unchanged 29 11.6%

Reduced 75 30.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

104.59%

▲+5.17 pp QoQ

Shares Held by Institutions

84.66Mn

of 80.95Mn outstanding

▲+10.77% QoQ

Shares Outstanding

80.95Mn

-3.71Mn held outside 13F filers

Institutional Investors

250

filed 13F for Jun 2026

▲+24 vs prior quarter

Net Shares Added (QoQ)

+8.23Mn

accumulated since last quarter

Value of Holdings

$601.10Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

ADTRAN Holdings, Inc. (NASDAQ:ADTN) has 250 institutional investors with active 13F positions as of June 2026.

They owned 104.6% of outstanding stock in June 2026, up from 99.4% the prior quarter.
Their total shares held in ADTN increased 10.77% quarter over quarter, and separately, investors owning ADTRAN Holdings increased 30.21% from a year ago.
Of these 250 holders, 146 added to their stakes in ADTRAN Holdings, 75 trimmed positions, and 29 made no changes.
Combined, these investors held 84.66Mn shares in ADTN for June 2026, up by 8.23Mn shares quarter on quarter, and up 25.62Mn shares year over year.
BlackRock, Inc. is the top holder of ADTRAN Holdings as of June 30, 2026, with 7.84Mn shares representing 9.68% of outstanding stock.
The most significant purchases of ADTN for the quarter ending June 2026 came from UBS Group AG (2.69Mn), TWO SIGMA INVESTMENTS, LP (1.77Mn), RENAISSANCE TECHNOLOGIES LLC (1.57Mn), Qube Research & Technologies Ltd (1.13Mn), Jpmorgan Chase & Co (1.1Mn).
The biggest sellers of ADTRAN Holdings for the quarter ending June 2026 included First Eagle Investment Management, LLC (1.49Mn), SG Americas Securities, LLC (1.08Mn), Divisar Capital Management LLC (917.91K), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (890.51K), NEEDHAM INVESTMENT MANAGEMENT LLC (778.5K).
Per Business Quant data, the top 10 holders of ADTRAN Holdings for the quarter ending June 2026 are BlackRock, Inc. (7.84Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (5.14Mn), VANGUARD CAPITAL MANAGEMENT LLC (3.51Mn), State Street Corp (3.08Mn), ROYCE & ASSOCIATES LP (2.97Mn), UBS Group AG (2.94Mn), TWO SIGMA INVESTMENTS, LP (2.9Mn), MILLENNIUM MANAGEMENT LLC (2.72Mn), Jpmorgan Chase & Co (2.62Mn), DnB Asset Management AS (2.62Mn).

Form 13F Holdings

250 Institutional Holders

Report period 30 Jun, 2026

Total shares held 84.66Mn

Of outstanding 104.59%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	7,836,196	9.68%	▼4,058	-0.05%	$108.92Mn
2	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	5,135,649	6.34%	▲364,197	+7.63%	$71.39Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	3,510,271	4.34%	▲84,041	+2.45%	$48.79Mn
4	State Street Corp	0000093751	3,082,794	3.81%	▲732,057	+31.14%	$42.85Mn
5	ROYCE & ASSOCIATES LP	0000906304	2,972,917	3.67%	▼154,486	-4.94%	$41.32Mn
6	UBS Group AG	0001610520	2,940,724	3.63%	▲2,691,567	+1,080.27%	$40.88Mn
7	TWO SIGMA INVESTMENTS, LP	0001179392	2,896,353	3.58%	▲1,772,829	+157.79%	$40.26Mn
8	MILLENNIUM MANAGEMENT LLC	0001273087	2,722,820	3.36%	▲826,409	+43.58%	$37.85Mn
9	Jpmorgan Chase & Co	0000019617	2,623,057	3.24%	▲1,104,360	+72.72%	$36.07Mn
10	DnB Asset Management AS	0001456670	2,619,389	3.24%	▼504,290	-16.14%	$36.41Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,958,052	2.42%	▲138,929	+7.64%	$27.22Mn
12	Morgan Stanley	0000895421	1,792,752	2.21%	▼40,120	-2.19%	$24.92Mn
13	RENAISSANCE TECHNOLOGIES LLC	0001037389	1,773,740	2.19%	▲1,570,841	+774.20%	$24.65Mn
14	Boston Partners	0001386060	1,651,038	2.04%	▲469,724	+39.76%	$22.72Mn
15	Qube Research & Technologies Ltd	0001729829	1,398,913	1.73%	▲1,128,968	+418.22%	$19.44Mn
16	DIMENSIONAL FUND ADVISORS LP	0000354204	1,366,243	1.69%	▲29,215	+2.19%	$18.99Mn
17	First Eagle Investment Management, LLC	0001325447	1,248,507	1.54%	▼1,488,907	-54.39%	$17.35Mn
18	WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	0001644956	1,099,019	1.36%	▼890,511	-44.76%	$15.28Mn
19	D. E. Shaw & Co., Inc.	0001009207	1,091,898	1.35%	▼127,071	-10.42%	$15.18Mn
20	Goldman Sachs Group Inc	0000886982	1,045,037	1.29%	▲74,330	+7.66%	$14.53Mn

Showing 1 to 20 of 250 holders