BlackRock Discloses 8.9% Ownership Stake in Illumina
ILLUMINA INC
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Filing Summary
### BlackRock, Inc. Files Schedule 13G/A for Illumina, Inc.
**Ownership Status:** Amendment No. 12
**Event Date:** September 30, 2026
**Shares Held:** 13,479,370
**Ownership Percentage:** 8.9%
**Voting Power:** Sole: 11,956,205 | Shared: 0
**Dispositive Power:** Sole: 13,479,370 | Shared: 0
Comprehensive Analysis
Overview
On October 27, 2026, BlackRock, Inc. filed an amended Schedule 13G (Amendment No. 12) with the SEC regarding its position in Illumina, Inc. (NASDAQ: ILMN), reflecting ownership as of September 30, 2026.
Key Filing Details
- Aggregate Beneficial Ownership: 13,479,370 shares of Common Stock
- Percentage of Class: 8.9%
- Voting Authority:
- Sole Voting Power: 11,956,205 shares
- Shared Voting Power: 0 shares
- Dispositive Authority:
- Sole Dispositive Power: 13,479,370 shares
- Shared Dispositive Power: 0 shares
- Filing Rule: Rule 13d-1(b) (Passive Institutional Investment)
Market Significance
This filing represents a routine ownership update under Schedule 13G/A by BlackRock across its various operating subsidiaries and funds. As a passive institutional holding certified not to have the purpose or effect of changing or influencing company control, this disclosure carries low immediate trading significance.
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Important Disclaimer
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