BlackRock's 11.4% passive stake is consistent with index fund positioning. No change in investment intent signaled. Monitor for any future conversion to Schedule 13D, which would indicate a shift to activist posture.
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Executive Summary
BlackRock, Inc. filed an amended Schedule 13G disclosing beneficial ownership of 48,984,658 shares of Trade Desk Class A stock (11.4% of shares outstanding) as of September 30, 2026. This is a routine passive stake update by a major index fund manager, with no indication of activist intent.
Key Financial Metrics
Key Facts
- BlackRock reports beneficial ownership of 48,984,658 Class A shares of Trade Desk, Inc.
- Stake represents 11.4% of outstanding Class A shares
- Filing is an amendment to Schedule 13G under Rule 13d-1(b) — passive investment
- BlackRock Fund Advisors is the entity that beneficially owns 5% or more of the class
- Date of event: September 30, 2026
- Filing date: October 5, 2026
Financial Impact
BlackRock holds 48,984,658 shares, representing 11.4% of Class A stock — a significant passive stake from a top index fund manager
Risk Factors
- No material risks identified from this routine passive filing
Investment Themes
Documents Analyzed
This report is based on 5 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G/A Filing (Primary) | 0002012383-26-003328 |
| Document: Item_7.txt | 0002012383-26-003328 |
| Document: 0002012383-26-003328-index-headers.html | 0002012383-26-003328 |
| Document: 0002012383-26-003328-index.html | 0002012383-26-003328 |
| Document: 0002012383-26-003328.txt | 0002012383-26-003328 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 23, 2026 4d ago | Institutional Cluster | $13.00 $12.77 | ▲ +1.77% | ▲ +2.48% | $12.70 (+2.31%) |
Oct 20, 2026 7d ago | 8-K | $12.65 $12.59 | ▼ −0.47% | ▼ −1.00% | $12.70 (+0.40%) |
Oct 7, 2026 20d ago | DEFA14A | $12.34 $12.08 | ▼ −2.11% | ▼ −2.71% | $12.70 (+2.92%) |
Oct 7, 2026 20d ago | SC 13G | $12.09 $12.34 | ▲ +2.07% | ▲ +2.49% | $12.70 (+5.05%) |
Oct 5, 2026 22d ago | SC 13G/A | $11.98 $11.92 | ▼ −0.50% | ▼ −1.05% | $12.70 (+6.01%) |
Sep 18, 2026 5w ago | DEF 14A | $13.92 $13.88 | ▼ −0.29% | ▼ −1.84% | $12.70 (−8.76%) |
Sep 4, 2026 7w ago | 8-K | $14.43 $14.02 | ▼ −2.84% | ▼ −2.29% | $12.70 (−11.99%) |
Jul 13, 2026 15w ago | 8-K | $19.79 $18.94 | ▼ −4.30% | ▼ −4.65% | $12.70 (−35.83%) |
Jun 26, 2026 17w ago | Court Ruling | $18.65 $18.08 | ▼ −3.06% | ▼ −3.83% | $12.70 (−31.90%) |
Jun 9, 2026 20w ago | 8-K | $19.29 $18.90 | ▼ −2.02% | ▼ −3.72% | $12.70 (−34.16%) |
US Market Status
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