What does CUSIP 002121101 represent in this 13F holders report?

CUSIP 002121101 is the security identifier for ATEN - A10 Networks, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held ATEN - A10 Networks, Inc. - Common Stock in Q3 2014?

52 institutional investors reported ATEN - A10 Networks, Inc. - Common Stock for Q3 2014. Use the holders table for investor-level position and value details.

A10 Networks, Inc. - Common Stock (ATEN)

CUSIP: 002121101

Q3 2014 13F Holders as of 30 Sep 2014

Type / Class: Equity / Common Stock
Shares outstanding: 77,603,290
Total 13F shares: 22,368,077
Share change: +928,628
Total reported value: $203,768,465
Put/Call ratio: 134%
Price per share: $9.11
Number of holders: 52
Value change: +$4,874,924
Number of buys: 31
Number of sells: 30

Quarterly Holders Quick Answers

What is CUSIP 002121101?
CUSIP 002121101 identifies ATEN - A10 Networks, Inc. - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q4 2014
Previous quarter: Q2 2014

Recent filing periods for CUSIP 002121101:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ATEN - A10 Networks, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
SUMMIT PARTNERS L P	13F	Company	12%	9,427,846	$125,390,000	—	30 Jun 2014	13F
JPMORGAN CHASE & CO	13F	Company	2.2%	1,745,330	$23,212,000	—	30 Jun 2014	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	2.1%	1,598,460	$21,260,000	—	30 Jun 2014	13F
WADDELL & REED FINANCIAL INC	13F	Company	1.2%	907,786	$12,074,000	—	30 Jun 2014	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	0.94%	731,800	$9,733,000	—	30 Jun 2014	13F
FRANKLIN RESOURCES INC	13F	Company	0.94%	731,100	$9,723,000	—	30 Jun 2014	13F
Pier Capital, LLC	13F	Company	0.69%	536,196	$7,131,000	—	30 Jun 2014	13F
WALL STREET ASSOCIATES	13F	Company	0.67%	521,300	$6,933,000	—	30 Jun 2014	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.65%	503,013	$6,690,000	—	30 Jun 2014	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.53%	413,295	$5,497,000	—	30 Jun 2014	13F
MORGAN STANLEY	13F	Company	0.47%	367,245	$4,885,000	—	30 Jun 2014	13F
CITADEL ADVISORS LLC	13F	Company	0.46%	357,832	$4,760,000	—	30 Jun 2014	13F
BlackRock Fund Advisors	13F	Company	0.4%	313,255	$4,166,000	—	30 Jun 2014	13F
BTG Pactual Global Asset Management Ltd	13F	Company	0.39%	300,400	$3,996,000	—	30 Jun 2014	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.39%	300,000	$3,990,000	—	30 Jun 2014	13F
CAISSE DE DEPOT ET PLACEMENT DU QUEBEC	13F	Company	0.37%	290,000	$3,857,000	—	30 Jun 2014	13F
Shannon River Fund Management LLC	13F	Company	0.36%	282,000	$3,751,000	—	30 Jun 2014	13F
VANGUARD GROUP INC	13F	Company	0.34%	260,689	$3,467,000	—	30 Jun 2014	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.25%	194,438	$2,586,000	—	30 Jun 2014	13F
THRIVENT FINANCIAL FOR LUTHERANS	13F	Company	0.21%	160,250	$2,131,000	—	30 Jun 2014	13F
WESTFIELD CAPITAL MANAGEMENT CO LP	13F	Company	0.16%	124,677	$1,658,000	—	30 Jun 2014	13F
TURNER INVESTMENTS LLC	13F	Company	0.15%	119,840	$1,594,000	—	30 Jun 2014	13F
Pine River Capital Management L.P.	13F	Company	0.15%	116,800	$1,554,000	—	30 Jun 2014	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	0.14%	112,470	$1,496,000	—	30 Jun 2014	13F
STATE STREET CORP	13F	Company	0.13%	101,374	$1,347,000	—	30 Jun 2014	13F
PDT Partners, LLC	13F	Company	0.1%	77,594	$1,032,000	—	30 Jun 2014	13F
BlackRock Group LTD	13F	Company	0.09%	71,795	$955,000	—	30 Jun 2014	13F
MARSHALL WACE, LLP	13F	Company	0.09%	70,917	$943,000	—	30 Jun 2014	13F
MENTA CAPITAL LLC	13F	Company	0.09%	67,100	$892,000	—	30 Jun 2014	13F
CREDIT SUISSE AG/	13F	Company	0.06%	47,987	$638,000	—	30 Jun 2014	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.06%	47,524	$632,000	—	30 Jun 2014	13F
Bank of New York Mellon Corp	13F	Company	0.06%	46,376	$616,000	—	30 Jun 2014	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.06%	43,521	$578,000	—	30 Jun 2014	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.05%	39,482	$525,000	—	30 Jun 2014	13F
BlackRock Investment Management, LLC	13F	Company	0.05%	36,899	$491,000	—	30 Jun 2014	13F
NORTHERN TRUST CORP	13F	Company	0.05%	36,622	$487,000	—	30 Jun 2014	13F
Baker Avenue Asset Management, LP	13F	Company	0.04%	33,810	$450,000	—	30 Jun 2014	13F
Open Field Capital LLC	13F	Company	0.04%	30,000	$399,000	—	30 Jun 2014	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.04%	28,967	$386,000	—	30 Jun 2014	13F
NORGES BANK	13F	Company	0.03%	25,000	$333,000	—	30 Jun 2014	13F
SYMMETRY PEAK MANAGEMENT LLC	13F	Company	0.03%	25,000	$333,000	—	30 Jun 2014	13F
BANQUE PICTET & CIE SA	13F	Company	0.03%	24,407	$325,000	—	30 Jun 2014	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.03%	23,200	$309,000	—	30 Jun 2014	13F
Tower Research Capital LLC (TRC)	13F	Company	0.03%	22,744	$302,000	—	30 Jun 2014	13F
OPPENHEIMER & CO INC	13F	Company	0.02%	19,372	$258,000	—	30 Jun 2014	13F
TEACHERS ADVISORS, LLC	13F	Company	0.02%	17,054	$227,000	—	30 Jun 2014	13F
Virtu KCG Holdings LLC	13F	Company	0.02%	16,941	$225,000	—	30 Jun 2014	13F
KCM INVESTMENT ADVISORS LLC	13F	Company	0.02%	15,000	$200,000	—	30 Jun 2014	13F
ROYAL BANK OF CANADA	13F	Company	0.02%	11,750	$156,000	—	30 Jun 2014	13F
Nationwide Fund Advisors	13F	Company	0.01%	9,645	$128,000	—	30 Jun 2014	13F

Institutional Holders of A10 Networks, Inc. - Common Stock (ATEN) as of Q3 2014

As of 30 Sep 2014, A10 Networks, Inc. - Common Stock (ATEN) was held by 52 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 22,368,077 shares. The largest 10 holders included SUMMIT PARTNERS L P, JPMORGAN CHASE & CO, ALLIANCEBERNSTEIN L.P., FRANKLIN RESOURCES INC, WADDELL & REED FINANCIAL INC, Voya Investment Management LLC, Pier Capital, LLC, BTG Pactual Global Asset Management Ltd, GOLDMAN SACHS GROUP INC, and WALL STREET ASSOCIATES. This page lists 52 institutional shareholders reporting positions in this security for the Q3 2014 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q3 2014 vs Q2 2014 Across Filers

Q2 2014 holders

Q3 2014 holders

Holder diff

-9

Investor	Q2 2014 Shares	Q3 2014 Shares	Share Diff	Share Chg %	Q2 2014 Value $	Q3 2014 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.