ADTRAN Holdings, Inc. (ADTN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

2,037,744Shares held by institutions

$24,840,099Value of institutional holdings

74.04%Institutional ownership %

5.59%Shares Changed QoQ

192No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

ADTRAN Holdings, Inc. (NASDAQ:ADTN) has 209 institutional investors with active 13F positions as of December 2025.

Their combined ownership stood at 87.7% of outstanding shares in December 2025, up from 86.0% in September 2025.
They increased total shares held in ADTRAN Holdings by 7.19% from the prior quarter, while the number of investors in ADTN increased 29.01% year over year.
During the quarter, 93 of these 209 funds increased positions in ADTN, 82 reduced exposure, and 34 held steady.
In total, institutional investors held 70.01Mn shares in ADTRAN Holdings as of December 2025, up by 4.69Mn shares quarter on quarter, and up 7.46Mn shares year over year.
VANGUARD GROUP INC leads ownership in ADTN with 8.19Mn shares as of December 31, 2025, equal to 10.26% of outstanding shares.
Top purchasers of ADTN stock for the quarter ending December 2025 included MILLENNIUM MANAGEMENT LLC (2.12Mn), PARADIGM CAPITAL MANAGEMENT INC/NY (949.91K), D. E. Shaw & Co., Inc. (873.9K), Kovack Advisors, Inc. (799.2K), Nomura Holdings Inc (681.35K).
Top sellers of ADTN stock for the quarter ending December 2025 included Jpmorgan Chase & Co (1.19Mn), CITADEL ADVISORS LLC (1.12Mn), TUDOR INVESTMENT CORP ET AL (846.72K), Alyeska Investment Group, L.P. (538.57K), Bank Of America Corp /De/ (533.89K).
Per Business Quant, the top 10 investors in ADTN for the quarter ending December 2025 include VANGUARD GROUP INC (8.19Mn), BlackRock, Inc. (8.13Mn), DnB Asset Management AS (3.12Mn), Divisar Capital Management LLC (2.99Mn), MILLENNIUM MANAGEMENT LLC (2.69Mn), ROYCE & ASSOCIATES LP (2.6Mn), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (2.48Mn), State Street Corp (1.99Mn), GEODE CAPITAL MANAGEMENT, LLC (1.77Mn), Kovack Advisors, Inc. (1.51Mn).

209 Institutional Holders

2,037,744 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	-148,065	-1.79%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	-194,809	-2.32%	$0.00
Divisar Capital Management LLC	31 Dec, 2025	-226,788	-7.06%	$0.00
Barclays Plc	31 Dec, 2025	203,623	22.08%	$0.00
DnB Asset Management AS	31 Dec, 2025	219,810	7.57%	$0.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	-257,809	-9.42%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	96,468	159.56%	$0.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	2,122,844	371.16%	$0.00
Kovack Advisors, Inc.	31 Dec, 2025	799,200	112.90%	$0.00
ROYCE & ASSOCIATES LP	31 Dec, 2025	186,238	7.73%	$0.00
Ophir Asset Management Pty Ltd	31 Dec, 2025	-135,329	-11.23%	$0.00
State Street Corp	31 Dec, 2025	86,382	4.55%	$0.00
Squarepoint Ops LLC	31 Dec, 2025	115,381	16.92%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	-4,084	-0.23%	$0.00
Atom Investors LP	31 Dec, 2025	261,737	146.87%	$0.00
NEEDHAM INVESTMENT MANAGEMENT LLC	31 Dec, 2025	272,500	23.19%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	300,685	249.12%	$0.00
Morgan Stanley	31 Dec, 2025	550,010	69.31%	$0.00
Trexquant Investment LP	31 Dec, 2025	-322,042	-47.28%	$0.00
First Eagle Investment Management, LLC	31 Dec, 2025	26,000	2.15%	$0.00

1 - 20 of 209

Research Tools