CALIX, INC - Common Stock (CALX)

CUSIP: 13100M509

Q1 2021 13F Holders as of 31 Mar 2021

Holder snapshot 7 signals
Share change
+1,516,808
Put/Call ratio
166%
SEC-reported price per share
$34.66
Number of holders
193
Value change
+$59,743,684
Number of buys
95
Open additional details 1 more signal available
Number of sells
119
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
65,022,560

Security key

13100M509

Report period

Q1 2021

Institutions

193

Top holders

10

Ownership snapshot

Top reported holders of CALX - CALIX, INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
15/15
Latest evidence
31 Dec 2020
13F Lead comparable stake: 7.5% Showing 1-6 of 15 holder rows.

Quick read

BlackRock Finance, Inc. leads the comparable SEC ownership view at 7.5%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock Finance, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock Finance, Inc. 7.5%
GILDER GAGNON HOWE & CO LLC 5.8%
VANGUARD GROUP INC 5%
RENAISSANCE TECHNOLOGIES LLC 4.6%
LORD, ABBETT & CO. LLC 4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock Finance, Inc.
13F
Company
13F
7.5%
$144,791,000
4,865,244 shares
31 Dec 2020
GILDER GAGNON HOWE & CO LLC
13F
Company
13F
5.8%
$111,614,000
3,750,470 shares
31 Dec 2020
VANGUARD GROUP INC
13F
Company
13F
5%
$95,816,000
3,219,634 shares
31 Dec 2020
RENAISSANCE TECHNOLOGIES LLC
13F
Company
13F
4.6%
$88,373,000
2,969,518 shares
31 Dec 2020
LORD, ABBETT & CO. LLC
13F
Company
13F
4%
$77,214,000
2,594,560 shares
31 Dec 2020
DIMENSIONAL FUND ADVISORS LP
13F
Company
13F
3.8%
$74,219,000
2,493,891 shares
31 Dec 2020
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2021

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
193
Shares
49,443,239
Rows available
193
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders
190
Q1 2021 holders
193
Holder diff
3
Investor Q4 2020 Shares Q1 2021 Shares Share Diff Share Chg % Q4 2020 value Q1 2021 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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