A10 Networks, Inc. (ATEN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

72,152,615Shares Outstanding

1,093,631Shares held by institutions

$19,718,167Value of institutional holdings

97.25%Institutional ownership %

-0.57%Shares Changed QoQ

233No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 233 institutions have reported a stake in A10 Networks, Inc. (NYSE:ATEN) as of September 2025, according to recent 13F filings with the SEC.

The collective stake of institutional investors in A10 Networks moved to 97.3% in September 2025, a shift down from the 97.3% reported for June 2025.
On a quarter-over-quarter basis, institutional holdings shifted by -0.57%, with a year-over-year an increase of 13.66% in the count of filers.
A review of institutional activity for A10 Networks shows 114 of 233 filers increasing their positions, while 97 reduced their stake, and 22 remained unchanged.
The aggregate institutional position in A10 Networks now stands at 70.17Mn shares as of September 2025, after investors decreased their holdings (down by 401.36K shares quarter on quarter which is up 5.11Mn shares year over year).
The top institutional stake in A10 Networks as of September 30, 2025 belongs to BlackRock, Inc., which owns 13.06Mn shares, or 18.10% of the company.
Among the most significant buyers of A10 Networks during September 2025 were BARCLAYS PLC (695.15K), WELLINGTON MANAGEMENT GROUP LLP (588.92K), Boston Trust Walden Corp (477.20K), CRAWFORD INVESTMENT COUNSEL INC (286.82K), Qube Research & Technologies Ltd (228.84K).
Leading sellers of A10 Networks stock in September 2025 included Legal & General Group Plc (778.21K), HARBOR CAPITAL ADVISORS, INC. (590.48K), MARSHALL WACE, LLP (442.59K), JACOBS LEVY EQUITY MANAGEMENT, INC (407.77K), Penserra Capital Management LLC (306.54K).
The top 10 institutional holders of A10 Networks for the quarter ending September 2025 included BlackRock, Inc. (13.06Mn), VANGUARD GROUP INC (7.24Mn), Penserra Capital Management LLC (3.66Mn), STATE STREET CORP (3.29Mn), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (2.70Mn), Boston Trust Walden Corp (2.64Mn), RENAISSANCE TECHNOLOGIES LLC (2.39Mn), WELLINGTON MANAGEMENT GROUP LLP (2.05Mn), FIRST TRUST ADVISORS LP (2.03Mn), GEODE CAPITAL MANAGEMENT, LLC (1.77Mn).

233 Institutional Holders

1,093,631 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	30 Sep, 2025	13,058,107	-171,606	-1.30%	$237,004,635.00
VANGUARD GROUP INC	30 Sep, 2025	7,235,070	-92,547	-1.26%	$131,316,521.00
Penserra Capital Management LLC	30 Sep, 2025	3,658,453	-306,536	-7.73%	$66,400.00
STATE STREET CORP	30 Sep, 2025	3,288,187	-34,466	-1.04%	$59,680,594.00
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	30 Sep, 2025	2,699,629	35,381	1.33%	$48,996,668.00
Boston Trust Walden Corp	30 Sep, 2025	2,639,992	477,196	22.06%	$47,915,855.00
RENAISSANCE TECHNOLOGIES LLC	30 Sep, 2025	2,386,787	-113,119	-4.52%	$43,320,184.00
WELLINGTON MANAGEMENT GROUP LLP	30 Sep, 2025	2,054,213	588,922	40.19%	$37,283,967.00
FIRST TRUST ADVISORS LP	30 Sep, 2025	2,034,271	84,848	4.35%	$36,922,018.00
GEODE CAPITAL MANAGEMENT, LLC	30 Sep, 2025	1,767,579	-15,978	-0.90%	$32,086,352.00
DIMENSIONAL FUND ADVISORS LP	30 Sep, 2025	1,633,590	-80,456	-4.69%	$29,649,104.00
PRICE T ROWE ASSOCIATES INC /MD/	30 Sep, 2025	1,573,065	68,210	4.53%	$28,552.00
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.	30 Sep, 2025	1,431,358	55,469	4.03%	$25,979,151.00
BARCLAYS PLC	30 Sep, 2025	1,365,259	695,150	103.74%	$24,779,451.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	30 Sep, 2025	1,226,347	-80,317	-6.15%	$22,258,198.00
MORGAN STANLEY	30 Sep, 2025	755,476	-291,943	-27.87%	$13,711,933.00
Invesco Ltd.	30 Sep, 2025	741,030	144,952	24.32%	$13,449,694.00
NORTHERN TRUST CORP	30 Sep, 2025	727,631	-27,265	-3.61%	$13,206,504.00
Bank of New York Mellon Corp	30 Sep, 2025	717,401	-16,551	-2.26%	$13,020,835.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	30 Sep, 2025	709,212	3,487	0.49%	$12,872,198.00

1 - 20 of 233

A10 Networks, Inc. (ATEN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

233 Institutional Holders

Create an account

Sign In

Reset Password

Get Pro for 60% off