ZD
Ziff Davis, Inc. · Communication Services · Advertising Agencies
Momentum inputs (comparable managers):
holder breadth -6.7% ·
share flow +2.5% ·
net new positions -7.1%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 93 | +2 | 58.59M | $1.30B | +11 | −9 |
| Q1 2026 | 94 | -4 | 53.59M | $1.22B | +8 | −12 |
| Q4 2025 | 97 | -2 | 31.72M | $1.12B | — | −2 |
| Q3 2025 | 19 | +2 | 16.29M | $620.62M | +3 | −1 |
| Q2 2025 | 14 | -1 | 15.67M | $474.27M | — | −1 |
| Q1 2025 | 12 | 0 | 4.03M | $151.26M | +1 | −1 |
| Q4 2024 | 12 | -1 | 4.29M | $232.87M | — | −1 |
| Q3 2024 | 12 | 0 | 2.99M | $145.32M | +1 | −1 |
| Q2 2024 | 12 | — | 2.98M | $163.75M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 6.45M | — | $195.11M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 4.80M | — | $145.30M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 4.80M | — | $145.30M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 4.80M | — | $145.30M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 4.80M | — | $145.30M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | The Vanguard Group ✦ (passive) | 4.80M | — | $145.30M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | State Street Global Advisors ✦ (passive) | 1.85M | +2.3% | $55.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | Geode Capital Management ✦ (passive) | 1.08M | +1.8% | $32.73M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 23 | Geode Capital Management ✦ (passive) | 1.08M | +1.8% | $32.73M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 24 | Arrowstreet Capital ✦ | 378.10K | -2.1% | $11.45M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 25 | Wellington Management ✦ | 324.15K | -4.7% | $9.81M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 26 | AQR Capital Management ✦ | 251.78K | +206.0% | $7.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 27 | AQR Capital Management ✦ | 251.78K | +206.0% | $7.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 28 | AQR Capital Management ✦ | 251.78K | +206.0% | $7.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 29 | AQR Capital Management ✦ | 251.78K | +206.0% | $7.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 30 | D. E. Shaw & Co. ✦ | 159.16K | +1125.6% | $4.82M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 31 | D. E. Shaw & Co. ✦ | 159.16K | +1125.6% | $4.82M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 32 | D. E. Shaw & Co. ✦ | 159.16K | +1125.6% | $4.82M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 33 | Millennium Management ✦ | 137.68K | +682.6% | $4.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | Citadel Advisors ✦ | 129.26K | -19.1% | $3.91M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 35 | Citadel Advisors ✦ | 129.26K | -19.1% | $3.91M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 36 | Gotham Asset Management ✦ | 53.64K | +422.3% | $1.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 37 | T. Rowe Price ✦ | 41.16K | +9.6% | $1.25M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 38 | Fisher Asset Management ✦ | 10.53K | -89.5% | $318,773 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 39 | Fidelity (FMR) ✦ | 6.11K | — | $184,899 | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Fidelity (FMR) ✦ | 6.11K | — | $184,899 | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Fidelity (FMR) ✦ | 6.11K | — | $184,899 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Bridgewater Associates | $381,437 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 2 holders, 4.17M shares, $4.08M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Director · 2.51K sh · $138,994
Officer · 1.40K sh · $76,664
Officer · 3.82K sh · $209,778
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology