Vault-13

CALIX INC CALX

COM · Common Stock · CUSIP 13100M509 · ISIN US13100M5094

231 institutional holders
54,023,05154.0m shares reported held*
82.6% of all shares outstanding*
$3.3bnreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($5.9m this quarter). Holder counts are more reliable. Shares outstanding: 65.4m as of 2022-10-17, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $61.13. Options: 14 managers hold calls ($16.1m notional), 11 hold puts ($10.1m).

Biggest calls

Atika Capital Management LLC — $4.3m700 shares
CITADEL ADVISORS LLC — $3.4m56.1k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $3.3m53.4k shares
JANE STREET GROUP, LLC — $1.5m24.5k shares
SIMPLEX TRADING, LLC — $1.0m17.1k shares
WOLVERINE TRADING, LLC — $757.0k12.6k shares
Walleye Trading LLC — $544.0k8.9k shares
GROUP ONE TRADING LLC — $459.0k7.5k shares
TUDOR INVESTMENT CORP ET AL — $348.0k5.7k shares
PEAK6 Investments LLC — $245.0k4.0k shares

Biggest puts

SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC — $2.4m40.0k shares
CITADEL ADVISORS LLC — $2.0m32.7k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $1.4m22.5k shares
SIMPLEX TRADING, LLC — $1.4m22.2k shares
WOLVERINE TRADING, LLC — $823.0k13.7k shares
D. E. Shaw & Co., Inc. — $752.0k12.3k shares
PEAK6 Investments LLC — $660.0k10.8k shares
JANE STREET GROUP, LLC — $624.0k10.2k shares
Walleye Trading LLC — $79.0k1.3k shares
Cutler Group LLC / CA — $1.0k1.1k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution +1.3 pts · filed 2026-07-30 16.2% +1.3 pts 10.3m≈ $385.3m 2026-07-30
VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 8.6% new 5.6m≈ $208.5m 2026-04-29
ALLIANCEBERNSTEIN L.P. 13G · institution +1.6 pts · filed 2026-05-18 5.0% +1.6 pts 3.3m≈ $121.3m 2026-05-18

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC)

Insider purchases and sales in Q3 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
505Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 1 buyingQ4 21: 5 sellingQ1 22: 1 buyingQ1 22: 2 sellingQ1 22Q2 22: 0 buyingQ2 22: 2 sellingQ3 22: 0 buyingQ3 22: 4 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20211$901.7k5$15.1m—
Q1 20221$509.4k2$1.6m—
Q2 20220—2$2.5m—
Q3 20220—4$4.4m—
DateInsiderTradeSharesPrice ValueTheir holding
2022-08-03 LISTWIN DONALD J Director Sold 35,000 $58.20 $2.0m35.0k shares -5%
2022-08-03 Collins John Matthew EVP, Commercial Operations Sold 5,000 $58.31 $291.6k5.0k shares -100%
2022-08-01 Makagon Kira Director Sold 30,000 $57.71 $1.7m30.0k shares -47%
2022-07-28 Matthews Michael Director Sold 6,000 $55.70 $334.2k6.0k shares -8%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.02% of their portfolio New York, NY 7,585,1337.6m $463.8m $463.8m 0.02% —
2 VANGUARD GROUP INC 0.01% of their portfolio Valley Forge, PA 5,769,2355.8m $352.7m $352.7m 0.01% —
3 GILDER GAGNON HOWE & CO LLC 2.78% of their portfolio New York, NY 2,604,3202.6m $159.2m $159.2m 2.78% —
4 ALLIANCEBERNSTEIN L.P. 0.06% of their portfolio NASHVILLE, TN 2,017,2412.0m $123.3m $123.3m 0.06% —
5 STATE STREET CORP 0.01% of their portfolio BOSTON, MA 1,801,2801.8m $110.1m $110.1m 0.01% —
6 WELLINGTON MANAGEMENT GROUP LLP 0.02% of their portfolio Boston, MA 1,764,3721.8m $107.9m $107.9m 0.02% —
7 Bank of New York Mellon Corp 0.03% of their portfolio NEW YORK, NY 1,727,9911.7m $105.7m $105.7m 0.03% —
8 LORD, ABBETT & CO. LLC 0.38% of their portfolio JERSEY CITY, NJ 1,715,3911.7m $104.9m $104.9m 0.38% —
9 Driehaus Capital Management LLC 1.57% of their portfolio Chicago, IL 1,700,9271.7m $104.0m $104.0m 1.57% —
10 DIMENSIONAL FUND ADVISORS LP 0.04% of their portfolio AUSTIN, TX 1,679,8271.7m $102.7m $102.7m 0.04% —
11 Hood River Capital Management LLC 3.20% of their portfolio PALM BEACH GARDENS, FL 1,369,8751.4m $83.8m $83.8m 3.20% —
12 Invesco Ltd. 0.02% of their portfolio ATLANTA, GA 1,180,1051.2m $72.2m $72.2m 0.02% —
13 GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BOSTON, MA 983,817983.8k $60.1m $60.1m 0.01% —
14 PARADIGM CAPITAL MANAGEMENT INC/NY 3.82% of their portfolio ALBANY, NY 869,800869.8k $53.2m $53.2m 3.82% —
15 KORNITZER CAPITAL MANAGEMENT INC /KS 1.12% of their portfolio SHAWNEE MISSION, KS 856,954857.0k $52.4m $52.4m 1.12% —
16 LOOMIS SAYLES & CO L P 0.10% of their portfolio BOSTON, MA 834,912834.9k $51.0m $51.0m 0.10% —
17 Alyeska Investment Group, L.P. 0.58% of their portfolio CHICAGO, IL 803,306803.3k $49.1m $49.1m 0.58% —
18 Atika Capital Management LLC 5.54% of their portfolio NEW YORK, NY 800,100800.1k $48.9m $48.9m 5.54% —
19 RENAISSANCE TECHNOLOGIES LLC 0.07% of their portfolio NEW YORK, NY 797,700797.7k $48.8m $48.8m 0.07% —
20 Nuveen Asset Management, LLC 0.02% of their portfolio CHICAGO, IL 766,363766.4k $46.9m $46.9m 0.02% —
21 NORTHERN TRUST CORP 0.01% of their portfolio CHICAGO, IL 716,721716.7k $43.8m $43.8m 0.01% —
22 MORGAN STANLEY 0.01% of their portfolio NEW YORK, NY 677,724677.7k $41.4m $41.4m 0.01% —
23 Assenagon Asset Management S.A. 0.16% of their portfolio SENNINGERBERG, N4 620,006620.0k $37.9m $37.9m 0.16% —
24 Thrivent Financial for Lutherans 0.09% of their portfolio Minneapolis, MN 527,813527.8k $32.3m $32.3m 0.09% —
25 Ophir Asset Management Pty Ltd 5.49% of their portfolio SYDNEY, C3 493,219493.2k $30.2m $30.2m 5.49% —
26 Allspring Global Investments Holdings, LLC 0.05% of their portfolio CHARLOTTE, NC 490,872490.9k $30.0m $30.0m 0.05% —
27 MARSHALL WACE, LLP 0.08% of their portfolio LONDON, X0 488,652488.7k $29.9m $29.9m 0.08% —
28 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 468,090468.1k $28.6m $28.6m 0.00% —
29 NORGES BANK 0.01% of their portfolio OSLO, Q8 452,682452.7k $27.7m $27.7m 0.01% —
30 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio SAN FRANCISCO, CA 412,692412.7k $25.2m $25.2m 0.01% —
31 ROYCE & ASSOCIATES LP 0.26% of their portfolio New York, NY 378,601378.6k $23.1m $23.1m 0.26% —
32 Redwood Investments, LLC 2.75% of their portfolio BOSTON, MA 334,875334.9k $20.5m $20.5m 2.75% —
33 SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC 1.62% of their portfolio Boston, MA 320,727320.7k $19.6m $19.6m 1.62% —
34 G2 Investment Partners Management LLC 5.86% of their portfolio New York, NY 307,000307.0k $18.8m $18.8m 5.86% —
35 Mirae Asset Global Investments Co., Ltd. 0.05% of their portfolio SEOUL, M5 291,103291.1k $17.8m $17.8m 0.05% —
36 Polar Asset Management Partners Inc. 0.22% of their portfolio TORONTO, A6 274,779274.8k $16.8m $16.8m 0.22% —
37 SG Capital Management LLC 8.18% of their portfolio CHICAGO, IL 274,774274.8k $16.8m $16.8m 8.18% —
38 Lisanti Capital Growth, LLC 2.22% of their portfolio NEW YORK, NY 272,020272.0k $16.6m $16.6m 2.22% —
39 INTRINSIC EDGE CAPITAL MANAGEMENT LLC 1.84% of their portfolio CHICAGO, IL 270,113270.1k $16.5m $16.5m 1.84% —
40 Liontrust Investment Partners LLP 0.25% of their portfolio LONDON, X0 258,769258.8k $15.8m $15.8m 0.25% —
41 Schonfeld Strategic Advisors LLC 0.13% of their portfolio NEW YORK, NY 250,200250.2k $15.3m $15.3m 0.13% —
42 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 246,757246.8k $15.1m $15.1m 0.00% —
43 PRUDENTIAL FINANCIAL INC 0.03% of their portfolio NEWARK, NJ 243,869243.9k $14.9m $14.9m 0.03% —
44 Russell Investments Group, Ltd. 0.03% of their portfolio Seattle, WA 243,063243.1k $14.9m $14.9m 0.03% —
45 THORNBURG INVESTMENT MANAGEMENT INC 0.26% of their portfolio SANTA FE, NM 242,217242.2k $14.8m $14.8m 0.26% —
46 SEI INVESTMENTS CO 0.03% of their portfolio OAKS, PA 224,130224.1k $13.7m $13.7m 0.03% —
47 PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio DES MOINES, IA 222,766222.8k $13.6m $13.6m 0.01% —
48 Weiss Multi-Strategy Advisers LLC 0.33% of their portfolio NEW YORK, NY 200,000200.0k $12.2m $12.2m 0.33% —
49 CITADEL ADVISORS LLC 0.01% of their portfolio MIAMI, FL 195,088195.1k $11.9m $11.9m 0.01% —
50 ROTHSCHILD & CO ASSET MANAGEMENT US INC. 0.20% of their portfolio Stamford, CT 194,099194.1k $11.9m $11.9m 0.20% —
51 DEUTSCHE BANK AG\ 0.01% of their portfolio FRANKFURT AM MAIN, 2M 190,826190.8k $11.7m $11.7m 0.01% —
52 RK Capital Management, LLC 2.93% of their portfolio Denver, CO 186,700186.7k $11.4m $11.4m 2.93% —
53 CASTLEARK MANAGEMENT LLC 0.63% of their portfolio CHICAGO, IL 185,420185.4k $11.3m $11.3m 0.63% —
54 TWO SIGMA ADVISERS, LP 0.03% of their portfolio NEW YORK, NY 184,300184.3k $11.3m $11.3m 0.03% —
55 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 183,876183.9k $11.2m $11.2m 0.00% —
56 RHUMBLINE ADVISERS 0.02% of their portfolio BOSTON, MA 178,895178.9k $10.9m $10.9m 0.02% —
57 FULLER & THALER ASSET MANAGEMENT, INC. 0.08% of their portfolio SAN MATEO, CA 175,497175.5k $10.7m $10.7m 0.08% —
58 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 173,217173.2k $10.6m $10.6m 0.00% —
59 Analog Century Management LP 5.90% of their portfolio NEW YORK, NY 172,000172.0k $10.5m $10.5m 5.90% —
60 Penserra Capital Management LLC 0.28% of their portfolio ORINDA, CA 162,369162.4k $9.9m $9.9m 0.28% —
61 STATE OF WISCONSIN INVESTMENT BOARD 0.03% of their portfolio MADISON, WI 149,038149.0k $9.1m $9.1m 0.03% —
62 Swiss National Bank 0.01% of their portfolio ZURICH, V8 137,900137.9k $8.4m $8.4m 0.01% —
63 FMR LLC 0.00% of their portfolio BOSTON, MA 137,806137.8k $8.4m $8.4m 0.00% —
64 NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio ALBANY, NY 137,371137.4k $8.4m $8.4m 0.01% —
65 NEUBERGER BERMAN GROUP LLC 0.01% of their portfolio NEW YORK, NY 133,695133.7k $8.2m $8.2m 0.01% —
66 SILVERCREST ASSET MANAGEMENT GROUP LLC 0.07% of their portfolio NEW YORK, NY 132,766132.8k $8.1m $8.1m 0.07% —
67 Cinctive Capital Management LP 0.34% of their portfolio New York, NY 120,914120.9k $7.4m $7.4m 0.34% —
68 Calamos Advisors LLC 0.03% of their portfolio NAPERVILLE, IL 119,773119.8k $7.3m $7.3m 0.03% —
69 Mesirow Institutional Investment Management, Inc. 1.05% of their portfolio CHICAGO, IL 118,745118.7k $7.3m $7.3m 1.05% —
70 AMERICAN INTERNATIONAL GROUP, INC. 0.05% of their portfolio New York, NY 115,928115.9k $7.1m $7.1m 0.05% —
71 MACQUARIE GROUP LTD 0.01% of their portfolio Sydney, NSW 2000, C3 105,793105.8k $6.5m $6.5m 0.01% —
72 Voce Capital Management LLC 4.09% of their portfolio San Francisco, CA 102,895102.9k $6.3m $6.3m 4.09% —
73 PICTON MAHONEY ASSET MANAGEMENT 0.28% of their portfolio Toronto, A6 101,333101.3k $6.2m $6.2m 0.28% —
74 Legal & General Group Plc 0.00% of their portfolio London, X0 84,09084.1k $5.1m $5.1m 0.00% —
75 Retirement Systems of Alabama 0.02% of their portfolio MONTGOMERY, AL 74,30874.3k $4.5m $4.5m 0.02% —
76 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio WEST SACRAMENTO, CA 72,45772.5k $4.4m $4.4m 0.01% —
77 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 67,19867.2k $4.1m $4.1m 0.00% —
78 MetLife Investment Management, LLC 0.03% of their portfolio Whippany, NJ 65,28965.3k $4.0m $4.0m 0.03% —
79 JANE STREET GROUP, LLC 0.01% of their portfolio NEW YORK, NY 63,47163.5k $3.9m $3.9m 0.01% —
80 LOS ANGELES CAPITAL MANAGEMENT LLC 0.02% of their portfolio LOS ANGELES, CA 62,85562.9k $3.8m $3.8m 0.02% —
81 AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio Greenwich, CT 62,18962.2k $3.8m $3.8m 0.01% —
82 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 61,89561.9k $3.8m $3.8m 0.00% —
83 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio ALBANY, NY 57,35357.4k $3.5m $3.5m 0.01% —
84 JANUS HENDERSON GROUP PLC 0.00% of their portfolio LONDON, X0 51,23051.2k $3.1m $3.1m 0.00% —
85 Squarepoint Ops LLC 0.03% of their portfolio NEW YORK, NY 50,94050.9k $3.1m $3.1m 0.03% —
86 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 47,94047.9k $2.9m $2.9m 0.00% —
87 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.04% of their portfolio New York, NY 45,58445.6k $2.8m $2.8m 0.04% —
88 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 45,31245.3k $2.8m $2.8m 0.00% —
89 Mount Capital Ltd 1.16% of their portfolio LONDON, X0 44,46344.5k $2.7m $2.7m 1.16% —
90 COMERICA BANK 0.02% of their portfolio DALLAS, TX 42,76542.8k $2.6m $2.6m 0.02% —
91 Clear Sky Carbon Solutions Investment Management, LLC 1.53% of their portfolio BELLAIRE, TX 42,00042.0k $2.6m $2.6m 1.53% —
92 TEXAS PERMANENT SCHOOL FUND CORP 0.04% of their portfolio AUSTIN, TX 40,82240.8k $2.5m $2.5m 0.04% —
93 State of Tennessee, Department of Treasury 0.01% of their portfolio NASHVILLE, TN 40,00040.0k $2.4m $2.4m 0.01% —
94 State of New Jersey Common Pension Fund D 0.01% of their portfolio TRENTON, NJ 39,39739.4k $2.4m $2.4m 0.01% —
95 AMALGAMATED BANK 0.02% of their portfolio NEW YORK, NY 39,03339.0k $2.4m $2.4m 0.02% —
96 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 38,18638.2k $2.3m $2.3m 0.00% —
97 ALGERT GLOBAL LLC 0.13% of their portfolio SAN FRANCISCO, CA 36,38936.4k $2.2m $2.2m 0.13% —
98 Global IMC LLC 0.57% of their portfolio SOLANA BEACH, CA 34,85034.9k $2.1m $2.1m 0.57% —
99 CANADA LIFE ASSURANCE Co 0.01% of their portfolio WINNIPEG, A2 33,57033.6k $2.1m $2.1m 0.01% —
100 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 31,38331.4k $1.9m $1.9m 0.00% —