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 Q2 2021?

180 institutional investors reported CALX - CALIX, INC - Common Stock for Q2 2021. Use the holders table for investor-level position and value details.

CALIX, INC - Common Stock (CALX)

CUSIP: 13100M509

Q2 2021 13F Holders as of 30 Jun 2021

Type / Class: Equity / Common Stock
Shares outstanding: 64,826,065
Total 13F shares: 48,596,635
Share change: -860,250
Total reported value: $2,308,361,116
Put/Call ratio: 122%
Price per share: $47.50
Number of holders: 180
Value change: -$9,967,674
Number of buys: 80
Number of sells: 117

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: Q3 2021
Previous quarter: Q1 2021

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	7.8%	5,072,538	$175,814,000	—	31 Mar 2021	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	5.3%	3,450,861	$119,607,000	—	31 Mar 2021	13F
VANGUARD GROUP INC	13F	Company	5.1%	3,326,116	$115,282,000	—	31 Mar 2021	13F
LORD, ABBETT & CO. LLC	13F	Company	4.6%	2,977,770	$103,210,000	—	31 Mar 2021	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	3.7%	2,401,218	$83,226,000	—	31 Mar 2021	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	3.6%	2,345,669	$81,301,000	—	31 Mar 2021	13F
THRIVENT FINANCIAL FOR LUTHERANS	13F	Company	3.1%	2,028,427	$70,306,000	—	31 Mar 2021	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	3%	1,942,099	$67,311,000	—	31 Mar 2021	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	2.6%	1,701,251	$58,965,000	—	31 Mar 2021	13F
AMERIPRISE FINANCIAL INC	13F	Company	1.8%	1,185,656	$41,095,000	—	31 Mar 2021	13F
PARADIGM CAPITAL MANAGEMENT INC/NY	13F	Company	1.8%	1,157,100	$40,105,000	—	31 Mar 2021	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	1.6%	1,053,703	$36,522,000	—	31 Mar 2021	13F
STATE STREET CORP	13F	Company	1.6%	1,051,308	$36,438,000	—	31 Mar 2021	13F
Hood River Capital Management LLC	13F	Company	1.6%	1,039,941	$36,044,000	—	31 Mar 2021	13F
Nuveen Asset Management, LLC	13F	Company	1.6%	1,017,078	$35,252,000	—	31 Mar 2021	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.6%	1,016,376	$35,227,000	—	31 Mar 2021	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	1.5%	967,640	$33,536,000	—	31 Mar 2021	13F
FMR LLC	13F	Company	1.5%	964,600	$33,433,000	—	31 Mar 2021	13F
Bank of New York Mellon Corp	13F	Company	1.5%	956,516	$33,152,000	—	31 Mar 2021	13F
Psagot Value Holdings Ltd.	13F	Company	1.3%	856,313	$29,680,000	—	31 Mar 2021	13F
Redwood Investments, LLC	13F	Company	1.2%	770,841	$26,717,000	—	31 Mar 2021	13F
Voce Capital Management LLC	13F	Company	0.96%	623,907	$21,625,000	—	31 Mar 2021	13F
NORTHERN TRUST CORP	13F	Company	0.93%	605,173	$20,975,000	—	31 Mar 2021	13F
MASTERS CAPITAL MANAGEMENT LLC	13F	Company	0.77%	500,000	$17,330,000	—	31 Mar 2021	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	0.74%	482,305	$16,717,000	—	31 Mar 2021	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.67%	434,197	$15,050,000	—	31 Mar 2021	13F
CITADEL ADVISORS LLC	13F	Company	0.67%	434,032	$15,043,000	—	31 Mar 2021	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.64%	412,932	$14,312,000	—	31 Mar 2021	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.59%	381,253	$13,214,000	—	31 Mar 2021	13F
DEUTSCHE BANK AG\	13F	Company	0.58%	373,335	$12,940,000	—	31 Mar 2021	13F
G2 Investment Partners Management LLC	13F	Company	0.52%	335,008	$11,612,000	—	31 Mar 2021	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	0.51%	331,200	$11,479,000	—	31 Mar 2021	13F
Weiss Multi-Strategy Advisers LLC	13F	Company	0.46%	301,157	$10,438,000	—	31 Mar 2021	13F
Invesco Ltd.	13F	Company	0.46%	295,656	$10,248,000	—	31 Mar 2021	13F
Penserra Capital Management LLC	13F	Company	0.37%	238,400	$8,262,000	—	31 Mar 2021	13F
Analog Century Management LP	13F	Company	0.36%	232,677	$8,065,000	—	31 Mar 2021	13F
RK Capital Management, LLC	13F	Company	0.33%	213,400	$7,396,000	—	31 Mar 2021	13F
Marshall Wace North America L.P.	13F	Company	0.31%	200,140	$6,937,000	—	31 Mar 2021	13F
Portolan Capital Management, LLC	13F	Company	0.29%	189,335	$6,562,000	—	31 Mar 2021	13F
Mirae Asset Global Investments Co., Ltd.	13F	Company	0.28%	178,736	$6,195,000	—	31 Mar 2021	13F
FIRST TRUST ADVISORS LP	13F	Company	0.27%	174,524	$6,049,000	—	31 Mar 2021	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.27%	173,423	$6,011,000	—	31 Mar 2021	13F
Assenagon Asset Management S.A.	13F	Company	0.26%	170,145	$5,897,000	—	31 Mar 2021	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.26%	168,494	$5,840,000	—	31 Mar 2021	13F
DISCOVERY CAPITAL MANAGEMENT, LLC / CT	13F	Company	0.25%	163,525	$5,668,000	—	31 Mar 2021	13F
Hillsdale Investment Management Inc.	13F	Company	0.25%	160,800	$5,572,000	—	31 Mar 2021	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	0.25%	158,927	$5,507,000	—	31 Mar 2021	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.22%	143,002	$4,956,000	—	31 Mar 2021	13F
D. E. Shaw & Co., Inc.	13F	Company	0.22%	142,090	$4,925,000	—	31 Mar 2021	13F
Cubist Systematic Strategies, LLC	13F	Company	0.22%	140,116	$4,856,000	—	31 Mar 2021	13F

Institutional Holders of CALIX, INC - Common Stock (CALX) as of Q2 2021

As of 30 Jun 2021, CALIX, INC - Common Stock (CALX) was held by 180 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 48,596,635 shares. The largest 10 holders included BlackRock Inc., GILDER GAGNON HOWE & CO LLC, VANGUARD GROUP INC, LORD, ABBETT & CO. LLC, ALLIANCEBERNSTEIN L.P., Thrivent Financial for Lutherans, RENAISSANCE TECHNOLOGIES LLC, DIMENSIONAL FUND ADVISORS LP, DRIEHAUS CAPITAL MANAGEMENT LLC, and Bank of New York Mellon Corp. This page lists 181 institutional shareholders reporting positions in this security for the Q2 2021 filing period.

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

Compare Q2 2021 vs Q1 2021 Across Filers

Q1 2021 holders

193

Q2 2021 holders

180

Holder diff

-13

Investor	Q1 2021 Shares	Q2 2021 Shares	Share Diff	Share Chg %	Q1 2021 Value $	Q2 2021 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.