Dimensional's incremental accumulation signals continued passive institutional support. Monitor for any further 13G amendments or a potential conversion to 13D if the stake approaches 10%.
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Executive Summary
Dimensional Fund Advisors LP filed an amended Schedule 13G disclosing a 6.6% passive stake in Ziff Davis, Inc. as of September 30, 2026, representing 2,253,918 shares. This is an increase from the prior filing (2,209,202 shares), indicating growing conviction by a major quantitative asset manager.
Key Financial Metrics
Key Facts
- Dimensional Fund Advisors LP now holds 2,253,918 shares of Ziff Davis common stock, or 6.6% of shares outstanding.
- This is an increase from the prior filing's 2,209,202 shares (approximately 44,716 additional shares).
- The filing is passive under Rule 13d-1(b); Dimensional disclaims beneficial ownership and activist intent.
- Dimensional serves as investment adviser to funds that own the shares; no single fund exceeds 5% of the class.
Financial Impact
Increase of ~44,716 shares; stake value not disclosed but at current prices would be in the millions.
Risk Factors
- Passive filing — no activist catalyst; stake increase is modest and routine for a quantitative manager.
- Dimensional's funds may reduce the position at any time without public disclosure until the next 13G amendment.
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G/A Filing (Primary) | 0000354204-26-001033 |
| Document: 0000354204-26-001033-index.html | 0000354204-26-001033 |
| Document: 0000354204-26-001033.txt | 0000354204-26-001033 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 8, 2026 18d ago | SC 13G/A | $55.91 $58.44 | ▲ +4.53% | ▲ +4.80% | $57.71 (+3.22%) |
Aug 20, 2026 9w ago | Insider Cluster | $55.40 $55.82 | ▲ +0.76% | ▼ −0.36% | $57.71 (+4.17%) |
Aug 13, 2026 10w ago | Insider Cluster | $55.38 $56.08 | ▲ +1.26% | ▲ +2.63% | $57.71 (+4.21%) |
Jun 17, 2026 18w ago | 8-K | $46.03 $48.55 | ▲ +5.47% | ▲ +7.14% | $57.71 (+25.37%) |
Jun 8, 2026 20w ago | Insider Cluster | $46.37 $45.85 | ▼ −1.12% | ▼ −3.53% | $57.71 (+24.46%) |
Jun 5, 2026 20w ago | Insider Cluster | $45.81 $46.26 | ▲ +0.98% | ▲ +0.41% | $57.71 (+25.98%) |
Jun 3, 2026 20w ago | Insider Cluster | $44.54 $45.80 | ▲ +2.83% | ▲ +6.65% | $57.71 (+29.57%) |
Mar 26, 2026 30w ago | DEFA14A | $41.64 $42.70 | ▲ +2.55% | ▼ −1.32% | $57.71 (+38.59%) |
Feb 26, 2026 34w ago | 8-K | $27.65 $43.65 | ▲ +57.87% | ▲ +58.99% | $57.71 (+108.72%) |
US Market Status
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