Who owns CALIX, INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of CALX from SEC Form 13F filings across 286 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 286 institutions disclosed 59.9M shares of CALIX, INC worth $2.27B — about 94.3% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
286
13F holders
$2.27B
value, 2026 filers
94.3%
of shares outstanding (59.9M sh)
38
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of CALX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 11.8M | $439.5M | 0.0% | 18.5% | +5.6% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 5.6M | $208.5M | 0.0% | 8.8% | +1.0% |
| 3 | ALLIANCEBERNSTEIN L.P. | 3.2M | $159.1M | 0.1% | 5.1% | -0.1% |
| 4 | STATE STREET CORP | 2.9M | $108.8M | 0.0% | 4.6% | +12.0% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2.6M | $96.6M | 0.0% | 4.1% | -3.7% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1.5M | $55.3M | 0.0% | 2.3% | +3.2% |
| 7 | WESTFIELD CAPITAL MANAGEMENT CO LP | 1.3M | $49.4M | 0.2% | 2.1% | -14.3% |
| 8 | DIMENSIONAL FUND ADVISORS LP | 1.3M | $48.9M | 0.0% | 2.1% | +7.5% |
| 9 | ACADIAN ASSET MANAGEMENT LLC | 1.2M | $46.3M | 0.1% | 2% | +55.1% |
| 10 | CITADEL ADVISORS LLC | 1.2M | $45.1M | 0.0% | 1.9% | +182.3% |
| 11 | PARADIGM CAPITAL MANAGEMENT INC/NY | 997,134 | $37.2M | 1.0% | 1.6% | +29.8% |
| 12 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 875,837 | $32.7M | 0.0% | 1.4% | +58.9% |
| 13 | UBS Group AG | 857,360 | $32.0M | 0.0% | 1.3% | +32.9% |
| 14 | LOOMIS SAYLES & CO L P | 784,798 | $29.3M | 0.0% | 1.2% | -6.6% |
| 15 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 753,302 | $28.1M | 0.0% | 1.2% | +8.1% |
| 16 | JANE STREET GROUP, LLC | 718,768 | $26.8M | 0.0% | 1.1% | +104.2% |
| 17 | TWO SIGMA INVESTMENTS, LP | 703,911 | $26.3M | 0.0% | 1.1% | +336.0% |
| 18 | MILLENNIUM MANAGEMENT LLC | 698,620 | $26.1M | 0.0% | 1.1% | -63.3% |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 696,967 | $26.0M | 0.0% | 1.1% | +2.2% |
| 20 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 659,563 | $24.6M | 0.0% | 1% | +18.4% |
| 21 | NORTHERN TRUST CORP | 642,151 | $24.0M | 0.0% | 1% | +5.3% |
| 22 | GILDER GAGNON HOWE & CO LLC | 580,323 | $21.7M | 0.2% | 0.9% | -25.5% |
| 23 | BANK OF AMERICA CORP /DE/ | 560,034 | $20.9M | 0.0% | 0.9% | -25.3% |
| 24 | RENAISSANCE TECHNOLOGIES LLC | 548,118 | $20.5M | 0.0% | 0.9% | +0.9% |
| 25 | MORGAN STANLEY | 524,882 | $19.6M | 0.0% | 0.8% | -26.3% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.