Institutional HoldersBeta
Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.
Share classes (cover page of the 10-Q filed 2026-08-07, as of 2026-08-04)
| Class | Listed | Shares outstanding | Held by 13F filers | % of class | Holders | CUSIP |
|---|---|---|---|---|---|---|
| Common stock | ZD · NASDAQ | 34,287,208 | 41,001,330 | 119.6% | 267 | 48123V102 |
Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.
Top holders (24 of 24 · 48123VAE2)
change vs 2026-03-31| # | Filer | Shares / principal | % of class | Value | Change |
|---|---|---|---|---|---|
| 1 | Crossingbridge Advisors, LLC | 34,278,000 | — | $34.1M | +1,300,000 (+3.9%) |
| 2 | OSTERWEIS CAPITAL MANAGEMENT INC | 30,595,000 | — | $30.3M | — |
| 3 | Calamos Advisors LLC | 20,000,000 | — | $19.8M | — |
| 4 | RiverPark Advisors, LLC | 16,800,000 | — | $16.7M | +1,571,250 (+10.3%) |
| 5 | KIM, LLC | 13,100,000 | — | $13.0M | NEW |
| 6 | OAKTREE CAPITAL MANAGEMENT LP | 11,230,000 | — | $11.1M | +1,139,000 (+11.3%) |
| 7 | LAZARD ASSET MANAGEMENT LLC | 8,170,000 | — | $81K | — |
| 8 | PALISADE CAPITAL MANAGEMENT, LP | 7,977,000 | — | $7.9M | — |
| 9 | TORONTO DOMINION BANK | 6,300,000 | — | $6.2M | +1,300,000 (+26.0%) |
| 10 | Thrivent Financial for Lutherans | 2,861,000 | — | $2.8M | — |
| 11 | PIPER SANDLER & CO. | 2,677,000 | — | $2.6M | — |
| 12 | TRUIST FINANCIAL CORP | 2,016,000 | — | $2.0M | -500,000 (-19.9%) |
| 13 | SSI INVESTMENT MANAGEMENT LLC | 1,650,000 | — | $1.6M | — |
| 14 | MORGAN STANLEY | 1,548,000 | — | $1.5M | +418,000 (+37.0%) |
| 15 | Universal- Beteiligungs- und Servicegesellschaft mbH | 1,522,000 | — | $1.5M | — |
| 16 | WELLS FARGO & COMPANY/MN | 915,000 | — | $904K | +255,000 (+38.6%) |
| 17 | ADVENT CAPITAL MANAGEMENT /DE/ | 775,000 | — | $771K | — |
| 18 | GLAZER CAPITAL, LLC | 688,000 | — | $682K | — |
| 19 | Man Group plc | 632,000 | — | $627K | -1,000,000 (-61.3%) |
| 20 | JPMORGAN CHASE & CO | 547,000 | — | $540K | — |
| 21 | ROYAL BANK OF CANADA | 400,000 | — | $395K | -821,000 (-67.2%) |
| 22 | SCHRODER INVESTMENT MANAGEMENT GROUP | 360,000 | — | $355K | — |
| 23 | CITIGROUP INC | 39,000 | — | $38K | — |
| 24 | FINANCIAL CONSULATE, INC | 10,000 | — | $10K | NEW |
Exited since 2026-03-31 (2 filers; largest 2 shown)
| Fort Baker Capital Management LP | −13,100,000 |
| NEUBERGER BERMAN GROUP LLC | −2,850,000 |
Large holders from 13D/13G (latest per reporting person, last 2 years)
Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.
| Reporting person | Form | Filed | Event | Shares | % of class |
|---|---|---|---|---|---|
| JANUS HENDERSON GROUP Ltd. | SCHEDULE 13G/A | 2026-09-08 | 2026-08-31 | 3,526,099 | 10.3% |
| LGIM Singapore PTE Ltd | SCHEDULE 13G/A | 2026-08-14 | 2026-06-30 | 7,693 | 0% |
| Legal & General Group Plc | SCHEDULE 13G/A | 2026-08-14 | 2026-06-30 | 1,800,921 | 4.9% |
| Legal & General Investment Management America Inc | SCHEDULE 13G/A | 2026-08-14 | 2026-06-30 | 56,290 | 0.2% |
| Legal & General Investment Management Ltd | SCHEDULE 13G/A | 2026-08-14 | 2026-06-30 | 1,744,631 | 4.7% |
| Legal & General UCITS ETF Plc | SCHEDULE 13G/A | 2026-08-14 | 2026-06-30 | 1,721,283 | 4.7% |
| LGIM Managers (Europe) Limited | SCHEDULE 13G/A | 2026-08-14 | 2026-06-30 | 1,728,976 | 4.7% |
| Vanguard Capital Management | SCHEDULE 13G | 2026-04-30 | 2026-03-31 | 1,998,419 | 5.28% |
| Vanguard Portfolio Management | SCHEDULE 13G | 2026-04-29 | 2026-03-31 | 2,343,118 | 6.19% |
| The Vanguard Group | SCHEDULE 13G/A | 2026-03-27 | 2026-03-13 | 0 | 0% |
| Pale Fire Capital SE | SCHEDULE 13D | 2026-03-03 | 2026-02-24 | 2,597,799 | 6.9% |
| Pale Fire Capital investicni spolecnost a.s. | SCHEDULE 13D | 2026-03-03 | 2026-02-24 | 2,597,799 | 6.9% |
| Pale Fire Capital SICAV a.s. | SCHEDULE 13D | 2026-03-03 | 2026-02-24 | 2,597,799 | 6.9% |
| Senkypl Dusan | SCHEDULE 13D | 2026-03-03 | 2026-02-24 | 2,597,799 | 6.9% |
| Barta Jan | SCHEDULE 13D | 2026-03-03 | 2026-02-24 | 2,597,799 | 6.9% |
| ArrowMark Colorado Holdings, LLC | SCHEDULE 13G/A | 2026-02-17 | 2025-12-31 | 1,367,715 | 3.46% |
| JANUS HENDERSON GROUP PLC | SCHEDULE 13G/A | 2025-11-14 | 2025-09-30 | 3,439,093 | 8.4% |
| BlackRock, Inc. | SCHEDULE 13G/A | 2025-07-17 | 2025-06-30 | 6,292,575 | 15% |
Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.