Monitor for any future amendments that show a material increase or decrease in Vanguard's stake, which could signal a shift in passive vs. active management. No immediate catalyst from this routine filing.
Price Chart
Executive Summary
Vanguard Portfolio Management LLC filed an amended Schedule 13G disclosing a passive 5.77% stake (24,632,620 shares) in Trade Desk, Inc. as of September 30, 2026. This is a routine update by a large index fund manager, with no indication of activist intent.
Key Financial Metrics
Key Facts
- Vanguard Portfolio Management LLC disclosed beneficial ownership of 24,632,620 shares of Trade Desk common stock.
- Stake represents 5.77% of shares outstanding as of September 30, 2026.
- Filing is an amendment to a prior Schedule 13G, indicating a passive investment intent.
- The filer certifies the securities were acquired and held in the ordinary course of business, not to influence control.
- This filing is consistent with Vanguard's role as a large index fund manager.
Financial Impact
Stake valued at approximately $346M based on market cap of $6.0B and 5.77% ownership.
Risk Factors
- No activist intent; passive filing only.
- Stake is relatively modest at 5.77%, below the 10% threshold that would signal stronger conviction.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G Filing (Primary) | 0002100121-26-001134 |
| Document: 0002100121-26-001134-index.html | 0002100121-26-001134 |
| Document: 0002100121-26-001134.txt | 0002100121-26-001134 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 30, 2026 2d ago | SC 13G | $12.30 | awaiting T+5 | awaiting T+5 | $12.29 (−0.08%) |
Oct 30, 2026 2d ago | SC 13G/A | $12.43 | awaiting T+5 | awaiting T+5 | $12.29 (−1.09%) |
Oct 23, 2026 9d ago | Institutional Cluster | $13.00 $12.29 | ▲ +5.46% | ▲ +4.90% | $12.29 (+5.46%) |
Oct 20, 2026 12d ago | 8-K | $12.65 $12.70 | ▲ +0.40% | ▲ +0.32% | $12.29 (−2.85%) |
Oct 7, 2026 25d ago | DEFA14A | $12.34 $13.13 | ▲ +6.40% | ▲ +6.68% | $12.29 (−0.41%) |
Oct 7, 2026 25d ago | SC 13G | $12.09 $12.18 | ▲ +0.74% | ▲ +1.72% | $12.29 (+1.65%) |
Oct 5, 2026 27d ago | SC 13G/A | $11.98 $11.94 | ▼ −0.33% | ▼ −0.76% | $12.29 (+2.59%) |
Sep 18, 2026 6w ago | DEF 14A | $13.92 $12.60 | ▼ −9.48% | ▼ −10.75% | $12.29 (−11.71%) |
Sep 4, 2026 8w ago | 8-K | $14.43 $14.97 | ▲ +3.74% | ▲ +4.95% | $12.29 (−14.83%) |
Jul 13, 2026 15w ago | 8-K | $19.79 $18.59 | ▼ −6.06% | ▼ −5.28% | $12.29 (−37.90%) |
US Market Status
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