BlackRock's passive stake increase is routine for a large index fund manager. No prior 13D conversion or activist intent is signaled. Monitor for any future 13D filing if BlackRock's engagement approach changes.
Price Chart
Executive Summary
BlackRock filed an amended Schedule 13G disclosing beneficial ownership of 9,834,146 shares of Protagonist Therapeutics common stock, representing 15.2% of outstanding shares as of September 30, 2026. This is a passive stake update; BlackRock's holdings increased from prior filings, but as a passive institutional investor this is a routine disclosure with no directional signal.
Key Financial Metrics
Key Facts
- BlackRock reported beneficial ownership of 9,834,146 shares of Protagonist Therapeutics common stock as of September 30, 2026
- The stake represents 15.2% of outstanding shares
- BlackRock Fund Advisors is the entity that beneficially owns 5% or greater of the outstanding shares
- The filing is an amendment to a Schedule 13G, indicating passive investment intent
- BlackRock certifies the securities were acquired and held in the ordinary course of business, not to change or influence control
Financial Impact
BlackRock holds 9,834,146 shares, 15.2% of outstanding shares; at a $9.0B market cap this stake is valued at approximately $1.37B
Risk Factors
- No material risks identified from this routine passive stake amendment
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 5 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G/A Filing (Primary) | 0002012383-26-003834 |
| Document: Item_7.txt | 0002012383-26-003834 |
| Document: 0002012383-26-003834-index-headers.html | 0002012383-26-003834 |
| Document: 0002012383-26-003834-index.html | 0002012383-26-003834 |
| Document: 0002012383-26-003834.txt | 0002012383-26-003834 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 4d ago | SC 13G/A | $142.14 | awaiting T+20 | awaiting T+20 | $144.85 (+1.91%) |
Aug 10, 2026 11w ago | 144 | $148.29 $145.09 | ▲ +2.16% | ▲ +1.10% | $144.85 (+2.32%) |
Jun 18, 2026 19w ago | 8-K | $115.03 $140.91 | ▲ +22.50% | ▲ +22.65% | $144.85 (+25.92%) |
Jun 12, 2026 20w ago | Institutional Cluster | $109.78 $131.42 | ▲ +19.71% | ▲ +17.93% | $144.85 (+31.95%) |
May 12, 2026 24w ago | 144 | $103.88 $109.79 | ▼ −5.69% | ▼ −6.30% | $144.85 (−39.44%) |
May 8, 2026 25w ago | Insider Cluster | $99.36 $97.38 | ▼ −1.99% | ▼ −2.02% | $144.85 (+45.78%) |
May 8, 2026 25w ago | Insider Cluster | $99.36 $97.38 | ▼ −1.99% | ▼ −2.02% | $144.85 (+45.78%) |
May 5, 2026 25w ago | 8-K | $103.97 $95.41 | ▼ −8.23% | ▼ −11.01% | $144.85 (+39.32%) |
Feb 25, 2026 35w ago | 8-K | $88.39 $102.17 | ▲ +15.59% | ▲ +22.00% | $144.85 (+63.88%) |
US Market Status
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