| 4 |
| DIMENSIONAL FUND ADVISORS LP |
| 2.3M |
| $118.1M |
| +8.8% |
| 6.122% |
| 0.02% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.2M | $114.7M | -3.2% | 5.948% | 0.01% |
| 6 | Legal & General Group Plc | 1.8M | $94.3M | -8.9% | 4.889% | 0.02% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 1.7M | $86.8M | -2.4% | 4.497% | 0.00% |
| 8 | STATE STREET CORP | 1.6M | $84.7M | -3.8% | 4.391% | 0.00% |
| 9 | FIRST TRUST ADVISORS LP | 1.0M | $53.0M | +3.9% | 2.749% | 0.03% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 966K | $50.6M | -4.0% | 2.622% | 0.00% |
| 11 | D. E. Shaw & Co., Inc. | 830K | $43.5M | +22.8% | 2.253% | 0.02% |
| 12 | RICE HALL JAMES & ASSOCIATES, LLC | 821K | $43.0M | +2.7% | 2.230% | 2.09% |
| 13 | MORGAN STANLEY | 759K | $39.7M | +24.0% | 2.060% | 0.00% |
| 14 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 747K | $39.1M | -11.2% | 2.028% | 0.01% |
| 15 | Nuveen, LLC | 702K | $36.8M | -9.1% | 1.905% | 0.01% |
| 16 | CastleKnight Management LP | 696K | $36.5M | +64.8% | 1.890% | 0.49% |
| 17 | AMERICAN CENTURY COMPANIES INC | 671K | $35.1M | +752.8% | 1.822% | 0.02% |
| 18 | Varde Management, L.P. | 624K | $32.7M | +16.9% | 1.694% | 47.76% |
| 19 | GOLDMAN SACHS GROUP INC | 552K | $28.9M | +4.4% | 1.500% | 0.00% |
| 20 | BRAVE ASSET MANAGEMENT INC | 470K | $24.6M | 0.0% | 1.277% | 5.27% |
| 21 | NORTHERN TRUST CORP | 463K | $24.3M | -4.4% | 1.258% | 0.00% |
| 22 | Allianz Asset Management GmbH | 455K | $23.8M | +12.3% | 1.236% | 0.01% |
| 23 | CDAM (UK) Ltd | 454K | $23.7M | -19.5% | 1.231% | 6.13% |
| 24 | Whitefort Capital Management, LP | 418K | $21.9M | — | 1.136% | 5.40% |
| 25 | Bank of New York Mellon Corp | 312K | $16.4M | -2.5% | 0.848% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in ZD — a direct measure of their conviction.
| 104.89% |
| 3.38 pp |
| $1.62B |
| 40% |
| Q4 2024 | 254 | 0.8% | 108.27% | +2.96 pp | $2.68B | +27% |
| Q3 2024 | 256 | — | 105.31% | — | $2.12B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
41 institutions opened new positions in ZD during Q2 2026, while 46 fully exited. 177 added to existing positions and 39 trimmed.
ZD institutional ownership fell by 1.86 percentage points quarter-over-quarter, with a net change of -4 holders.
The top 10 institutions account for 59.0% of all reported 13F value in ZD, and the top 25 account for 81.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.