Who Owns Calix, Inc. (CALX)?Hedge Fund & Institutional Holders

$50.26+0.48 (+0.97%)TechnologyNYSE

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$4.1278138200012505e+244T

% of Float Held

Infinity%

QoQ Change in Holders

+14 / -2

Price History

$29.03$38.88$48.73$58.57$68.42Sep 24Jun 25Mar 26

CALX — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
FULLER & THALER ASSET MANAGEMENT, INC.New Position+1.1M+$57.0M
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.New Position+388K+$20.0M
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COIncreased+350K+$19.6M
Alyeska Investment Group, L.P.New Position+375K+$19.0M
PRINCIPAL FINANCIAL GROUP INCNew Position+343K+$18.1M
Bank of New York Mellon CorpNew Position+406K+$18.0M
FEDERATED HERMES, INC.New Position+298K+$15.0M
OBERWEIS ASSET MANAGEMENT INC/New Position+245K+$12.9M
NEW YORK STATE COMMON RETIREMENT FUNDNew Position+213K+$11.0M
Synergy Asset Management, LLCNew Position+189K+$10.0M
ExodusPoint Capital Management, LPNew Position+197K+$10.0M
Defiance ETFs, LLCNew Position+157K+$8.3M
Polar Asset Management Partners Inc.New Position+152K+$8.0M
Penserra Capital Management LLCNew Position+157K+$8.0M
4D Advisors, LLCNew Position+115K+$6.1M

CALX — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
BlackRock, Inc.Decreased-255K-$718.6B
VANGUARD GROUP INCDecreased-187K-$520.5B
MILLENNIUM MANAGEMENT LLCDecreased-523K-$120.5B
CONGRESS ASSET MANAGEMENT CODecreased-16K-$89.7B
GILDER GAGNON HOWE & CO LLCDecreased-15K-$55.3B
UBS Group AGDecreased-449K-$49.6B
Artisan Partners Limited PartnershipDecreased-120K-$43.6B
CHARLES SCHWAB INVESTMENT MANAGEMENT INCDecreased-5K-$41.6B
WELLINGTON MANAGEMENT GROUP LLPDecreased-20K-$40.4B
NORTHERN TRUST CORPDecreased-17K-$37.6B
BALYASNY ASSET MANAGEMENT L.P.Closed Position-555K-$34.1B
JACOBS LEVY EQUITY MANAGEMENT, INCDecreased-55K-$29.5B
Divisadero Street Capital Management, LPClosed Position-454K-$27.9B
Rockefeller Capital Management L.P.Decreased-185K-$25.9B
TUDOR INVESTMENT CORP ET ALDecreased-166K-$17.8B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1VANGUARD GROUP INC7,798,629$412.8M0.01%Share
2BlackRock, Inc.7,221,763$382.0M0.01%Share
3STATE STREET CORP2,362,965$125.0M0.00%Share
4BlackRock, Inc.2,300,681$121.0M0.00%Share
5ALLIANCEBERNSTEIN L.P.1,462,371$77.0M0.02%Share
6CONGRESS ASSET MANAGEMENT CO1,447,545$76.6M0.54%Share
7MILLENNIUM MANAGEMENT LLC1,441,912$76.0M0.03%Share
8ARROWSTREET CAPITAL, LIMITED PARTNERSHIP1,277,505$67.0M0.04%Share
9GEODE CAPITAL MANAGEMENT, LLC1,250,851$66.0M0.00%Share
10WESTFIELD CAPITAL MANAGEMENT CO LP1,145,292$60.0M0.25%Share
11FULLER & THALER ASSET MANAGEMENT, INC.1,094,173$57.0M0.20%Share
12ACADIAN ASSET MANAGEMENT LLC1,030,115$54.0M0.09%Share
13LORD, ABBETT & CO. LLC965,115$51.0M0.16%Share
14GILDER GAGNON HOWE & CO LLC887,927$47.0M0.50%Share
15DIMENSIONAL FUND ADVISORS LP865,985$45.0M0.01%Share
16MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.764,430$40.0M0.06%Share
17PARADIGM CAPITAL MANAGEMENT INC/NY672,400$35.6M1.50%Share
18CHARLES SCHWAB INVESTMENT MANAGEMENT INC673,045$35.0M0.01%Share
19LOOMIS SAYLES & CO L P644,915$34.0M0.04%Share
20BlackRock, Inc.629,999$33.0M0.00%Share
21PRICE T ROWE ASSOCIATES INC /MD/632,517$33.0M0.00%Share
22Artisan Partners Limited Partnership590,187$31.0M0.05%Share
23WELLINGTON MANAGEMENT GROUP LLP553,976$29.0M0.01%Share
24Harvey Partners, LLC533,732$28.3M2.50%Share
25Invesco Ltd.527,767$27.9M0.00%Share
26Hood River Capital Management LLC523,261$27.7M0.30%Share
27NORTHERN TRUST CORP510,961$27.0M0.00%Share
28NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO350,151$25.0M0.02%Share
29BlackRock, Inc.471,459$24.0M0.00%Share
30Qube Research & Technologies Ltd472,046$24.0M0.02%Share
31RENAISSANCE TECHNOLOGIES LLC463,618$24.0M0.04%Share
32JACOBS LEVY EQUITY MANAGEMENT, INC425,598$22.0M0.08%Share
33VANGUARD GROUP INC413,134$21.9M0.00%Share
34NOMURA ASSET MANAGEMENT INTERNATIONAL INC.387,821$20.0M0.03%Share
35Alyeska Investment Group, L.P.375,132$19.0M0.05%Share
36UBS Group AG350,650$18.6M0.00%Share
37PRINCIPAL FINANCIAL GROUP INC339,085$17.9M0.01%Share
38Trexquant Investment LP309,838$16.4M0.15%Share
39Divisar Capital Management LLC299,963$15.9M4.46%Share
40BlackRock, Inc.292,768$15.0M0.00%Share
41Nuveen, LLC285,843$15.0M0.00%Share
42FEDERATED HERMES, INC.293,747$15.0M0.03%Share
43G2 Investment Partners Management LLC261,000$13.8M3.28%Share
44Penn Capital Management Company, LLC253,087$13.4M1.07%Share
45OBERWEIS ASSET MANAGEMENT INC/244,600$12.9M0.47%Share
46GOLDMAN SACHS GROUP INC231,851$12.0M0.00%Share
47Rockefeller Capital Management L.P.220,138$11.0M0.02%Share
48NEW YORK STATE COMMON RETIREMENT FUND213,149$11.0M0.01%Share
49MORGAN STANLEY212,392$11.0M0.00%Share
50BlackRock, Inc.224,334$11.0M0.00%Share

CALX Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025329$3.0B+103
Q3 2025226$3.1T-19
Q2 2025245$2.4T-10
Q1 2025255$2.0T+20
Q4 2024235$17.2T+32
Q3 2024203$1535.5T-10
Q2 2024213$1062.0T-1
Q1 2024214$937.8T—

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As of Q4 2025, 50 institutional investors hold CALX (Calix, Inc.). The largest holder is VANGUARD GROUP INC with $412.8M in shares. This quarter, 14 institutions opened new positions and 2 closed their positions.

Frequently Asked Questions

How many hedge funds own CALX?

As of Q4 2025, 50 institutional investors report holding CALX (Calix, Inc.) in their 13F filings.

Who is the largest institutional holder of CALX?

The largest institutional holder of CALX is VANGUARD GROUP INC with $412.8M in shares.

Is institutional ownership of CALX increasing or decreasing?

This quarter, 14 institutions opened new positions in CALX and 2 closed their positions.