What does CUSIP 13100M509 represent in this 13F holders report?

CUSIP 13100M509 is the security identifier for CALX - CALIX, INC - Common Stock used to aggregate holder disclosures.

How many institutions held CALX - CALIX, INC - Common Stock in Q4 2020?

190 institutional investors reported CALX - CALIX, INC - Common Stock for Q4 2020. Use the holders table for investor-level position and value details.

CALIX, INC - Common Stock (CALX)

CUSIP: 13100M509

Q4 2020 13F Holders as of 31 Dec 2020

Type / Class: Equity / Common Stock
Shares outstanding: 64,826,065
Total 13F shares: 48,320,205
Share change: +2,645,732
Total reported value: $1,438,220,053
Put/Call ratio: 6.1%
Price per share: $29.76
Number of holders: 190
Value change: +$89,683,993
Number of buys: 102
Number of sells: 78

Quarterly Holders Quick Answers

What is CUSIP 13100M509?
CUSIP 13100M509 identifies CALX - CALIX, 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: Q1 2021
Previous quarter: Q3 2020

Recent filing periods for CUSIP 13100M509:

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

Top shareholders of CALX - CALIX, 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
BlackRock Finance, Inc.	13F	Company	7.1%	4,611,300	$81,989,000	—	30 Sep 2020	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	4.9%	3,156,403	$56,121,000	—	30 Sep 2020	13F
VANGUARD GROUP INC	13F	Company	4.7%	3,026,192	$53,805,000	—	30 Sep 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	4.2%	2,717,471	$48,318,000	—	30 Sep 2020	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	4.2%	2,707,200	$48,134,000	—	30 Sep 2020	13F
Lynrock Lake LP	13F	Company	2.8%	1,801,125	$32,024,000	—	30 Sep 2020	13F
LORD, ABBETT & CO. LLC	13F	Company	2.5%	1,590,438	$28,278,000	—	30 Sep 2020	13F
Hood River Capital Management LLC	13F	Company	2%	1,284,582	$22,840,000	—	30 Sep 2020	13F
PARADIGM CAPITAL MANAGEMENT INC/NY	13F	Company	1.9%	1,225,500	$21,789,000	—	30 Sep 2020	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	1.9%	1,216,558	$21,629,000	—	30 Sep 2020	13F
Nuveen Asset Management, LLC	13F	Company	1.8%	1,167,651	$20,761,000	—	30 Sep 2020	13F
STATE STREET CORP	13F	Company	1.6%	1,064,586	$18,928,000	—	30 Sep 2020	13F
Bank of New York Mellon Corp	13F	Company	1.5%	969,579	$17,239,000	—	30 Sep 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.4%	930,600	$16,546,000	—	30 Sep 2020	13F
D. E. Shaw & Co., Inc.	13F	Company	1.4%	917,687	$16,316,000	—	30 Sep 2020	13F
FRIESS ASSOCIATES LLC	13F	Company	1.2%	764,521	$13,593,000	—	30 Sep 2020	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	1%	669,245	$11,899,000	—	30 Sep 2020	13F
TWO SIGMA ADVISERS, LP	13F	Company	1%	667,453	$11,867,000	—	30 Sep 2020	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	1%	654,110	$11,630,000	—	30 Sep 2020	13F
NORTHERN TRUST CORP	13F	Company	1%	653,483	$11,619,000	—	30 Sep 2020	13F
Voce Capital Management LLC	13F	Company	0.96%	623,907	$11,093,000	—	30 Sep 2020	13F
G2 Investment Partners Management LLC	13F	Company	0.95%	613,215	$10,903,000	—	30 Sep 2020	13F
Divisar Capital Management LLC	13F	Company	0.93%	602,461	$10,712,000	—	30 Sep 2020	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	0.84%	544,890	$9,688,000	—	30 Sep 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.77%	501,907	$8,924,000	—	30 Sep 2020	13F
MASTERS CAPITAL MANAGEMENT LLC	13F	Company	0.77%	500,000	$8,890,000	—	30 Sep 2020	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	0.74%	478,800	$8,513,000	—	30 Sep 2020	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	0.73%	475,681	$8,458,000	—	30 Sep 2020	13F
SG Capital Management LLC	13F	Company	0.56%	361,896	$6,435,000	—	30 Sep 2020	13F
FULLER & THALER ASSET MANAGEMENT, INC.	13F	Company	0.52%	338,260	$6,014,000	—	30 Sep 2020	13F
MESIROW FINANCIAL INVESTMENT MANAGEMENT - Fixed Income	13F	Company	0.52%	334,225	$5,943,000	—	30 Sep 2020	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.48%	314,350	$5,590,000	—	30 Sep 2020	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	0.48%	309,630	$5,506,000	—	30 Sep 2020	13F
Hillsdale Investment Management Inc.	13F	Company	0.43%	280,800	$4,992,000	—	30 Sep 2020	13F
Lapides Asset Management, LLC	13F	Company	0.43%	277,100	$4,927,000	—	30 Sep 2020	13F
HEARTLAND ADVISORS INC	13F	Company	0.39%	250,000	$4,445,000	—	30 Sep 2020	13F
Weiss Multi-Strategy Advisers LLC	13F	Company	0.39%	250,000	$4,445,000	—	30 Sep 2020	13F
CASTLEARK MANAGEMENT LLC	13F	Company	0.38%	244,623	$4,349,000	—	30 Sep 2020	13F
JPMORGAN CHASE & CO	13F	Company	0.36%	236,361	$4,318,000	—	30 Sep 2020	13F
Assenagon Asset Management S.A.	13F	Company	0.35%	226,147	$4,021,000	—	30 Sep 2020	13F
Cinctive Capital Management LP	13F	Company	0.34%	218,397	$3,883,000	—	30 Sep 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.33%	214,278	$3,810,000	—	30 Sep 2020	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.32%	208,012	$3,698,000	—	30 Sep 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.31%	203,323	$3,615,000	—	30 Sep 2020	13F
DEUTSCHE BANK AG\	13F	Company	0.31%	200,013	$3,556,000	—	30 Sep 2020	13F
CITADEL ADVISORS LLC	13F	Company	0.31%	197,956	$3,520,000	—	30 Sep 2020	13F
FMR LLC	13F	Company	0.29%	190,019	$3,379,000	—	30 Sep 2020	13F
Informed Momentum Co LLC	13F	Company	0.28%	180,084	$3,202,000	—	30 Sep 2020	13F
Penserra Capital Management LLC	13F	Company	0.27%	174,098	$3,095,000	—	30 Sep 2020	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.26%	168,445	$2,995,000	—	30 Sep 2020	13F

Institutional Holders of CALIX, INC - Common Stock (CALX) as of Q4 2020

As of 31 Dec 2020, CALIX, INC - Common Stock (CALX) was held by 190 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 48,320,205 shares. The largest 10 holders included BlackRock Inc., GILDER GAGNON HOWE & CO LLC, VANGUARD GROUP INC, RENAISSANCE TECHNOLOGIES LLC, LORD, ABBETT & CO. LLC, DIMENSIONAL FUND ADVISORS LP, DRIEHAUS CAPITAL MANAGEMENT LLC, PARADIGM CAPITAL MANAGEMENT INC/NY, ACADIAN ASSET MANAGEMENT LLC, and Hood River Capital Management LLC. This page lists 191 institutional shareholders reporting positions in this security for the Q4 2020 filing period.

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

Compare Q4 2020 vs Q3 2020 Across Filers

Q3 2020 holders

151

Q4 2020 holders

190

Holder diff

Investor	Q3 2020 Shares	Q4 2020 Shares	Share Diff	Share Chg %	Q3 2020 Value $	Q4 2020 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.