A10 Networks Inc

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A10 Networks Inc
TickerATEN
CIK #0001580808
CUSIP002121101
SectorTechnology - Computer Communications Equipment
Address3 West Plumeria Drive, San Jose, CA 95134
Source [EDGAR]
CIK Filing 2011 - 2025
[0001580808] 10-K
[0001580808] 10-Q
[0001580808] 3
[0001580808] 4
[0001580808] 5
[0001580808] 8-K
[0001580808] D
[0001580808] SC 13D
[0001580808] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
BlackRock Inc A10 Networks Inc [2022-05-09] 12.8
Legal & General Investment Management Ltd A10 Networks Inc [2022-02-14] 3.08
First Trust Portfolios LP A10 Networks Inc [2022-01-28] 5.29
Go ETF Solutions LLP A10 Networks Inc [2021-02-11] 5.2
Vanguard Group Inc A10 Networks Inc [2021-02-10] 5.69
Renaissance Technologies LLC A10 Networks Inc [2021-02-10] 5.08
AllianceBernstein LP A10 Networks Inc [2018-02-13] 5.5
Vanguard Group Inc A10 Networks Inc [2018-02-08] 5.44
VIEX Capital Advisors LLC A10 Networks Inc [2018-01-29] 2.4
BlackRock Inc A10 Networks Inc [2017-01-30] 7.1
Chen Lee A10 Networks Inc [2015-02-11] 17.17
Summit Partners L P A10 Networks Inc [2015-02-04] 15.5
Mitsui & Co Ltd A10 Networks Inc [2015-01-22] 5.9
Form 3/4/5 Filer 2011 - 2025
A10 Networks, Inc.
Weber Robert Scott
Becker Brian
Khoury Sheen George
Braham Tor
Chung Peter Y
Wolf Dana Elizabeth
Singer Eric
Trivedi Dhrupad
Thomas Karen S.
Bruening Matthew P
VIEX Capital Advisors, LLC
VIEX Opportunities Fund, LP Series One
VIEX GP LLC
Summit Investors I (UK), L.P.
Summit Partners GE VIII, LLC
Summit Investors I, LLC
Summit Partners Growth Equity Fund VIII-B, L.P.
Summit Partners Growth Equity Fund VIII-A, L.P.
Summit Partners L P
Summit Master Company LLC
Summit Partners GE VIII LP
Mannion Martin J
Summit Investors Management, LLC
Cochran Robert D
VIEX Opportunities Fund, LP - Series Two
VIEX Special Opportunities Fund II, LP
VIEX Special Opportunities Fund III, LP
Dotz Mary
Reiss Gunter
VIEX Special Opportunities GP III, LLC
VIEX Special Opportunities GP II, LLC
Constantino Thomas
Dodson J Michael
Chen Lee
White Christopher P.
Salsbury Phillip J
Henricks Alan S.
Smets Raymond J
Becker Neil Wu
Natarajan Shiva Kumar
Jalan Rajkumar
Straughn Greg
Kapoor Sanjay
Matlof Jason
Form 13F Holdings
Firm Period DFND Voting Shares
BlackRock, Inc. [2025-06-30] SOLE 12,982,999 13,229,713
Vanguard Group Inc [2025-06-30] SOLE 0 7,162,750
State Street Corp [2025-06-30] DFND 3,040,568 3,322,653
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. [2025-06-30] DFND 2,664,248 2,664,248
Renaissance Technologies LLC [2025-06-30] SOLE 2,499,906 2,499,906
Boston Trust Walden Corp [2025-06-30] DFND 1,848,122 2,162,796
First Trust Advisors LP [2025-06-30] SOLE 1,949,423 1,949,423
Geode Capital Management LLC [2025-06-30] DFND 1,783,557 1,783,557
Dimensional Fund Advisors LP [2025-06-30] SOLE 1,527,399 1,618,828
Wellington Management Group LLP [2025-06-30] DFND 0 1,465,291
Punch & Associates Investment Management Inc [2025-06-30] SOLE 0 1,375,889
Arrowstreet Capital Limited Partnership [2025-06-30] DFND 1,306,664 1,306,664
Morgan Stanley [2025-06-30] DFND 842,486 1,047,419
Legal & General Group Plc [2025-06-30] DFND 975,347 992,678
Bank of New York Mellon Corp [2025-06-30] DFND 697,505 733,952
Royce & Associates LP [2025-06-30] SOLE 722,169 722,169
Northern Trust Corp [2025-06-30] DFND 716,751 718,007
Charles Schwab Investment Management Inc [2025-06-30] SOLE 705,684 705,725
Marshall Wace LLP [2025-06-30] OTR 0 617,671
Invesco Ltd. [2025-06-30] DFND 0 596,078
Two Sigma Investments LP [2025-06-30] SOLE 573,164 573,164
Goldman Sachs Group Inc [2025-06-30] DFND 556,557 556,697
Jacobs Levy Equity Management Inc [2025-06-30] SOLE 407,413 478,513
Two Sigma Advisers LP [2025-06-30] SOLE 421,997 441,297
Bridge City Capital LLC [2025-06-30] SOLE 180,812 417,931
Victory Capital Management Inc [2025-06-30] SOLE 400,343 414,974
Principal Financial Group Inc [2025-06-30] DFND 413,635 413,635
Tudor Investment Corp ET AL [2025-06-30] DFND 404,209 404,209
UBS Group AG [2025-06-30] DFND 385,919 390,249
Peregrine Capital Management LLC [2025-06-30] SOLE 205,956 372,366
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