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BLAIR WILLIAM & CO/IL

Position in ILMN — Illumina, Inc.

CIK 902367 CHICAGO, IL

Position in ILMN

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$440,981
+$210,855 QoQ
Shares Held
2,508
+34.3% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#584
of 932 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 33% Shared 0% None 67%

Common Shares in ILMN Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $890,730,193 across 22 Diagnostics & Research names. ILMN ranks #21 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ILMN

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $440,981 2,508
2026-03-31 $230,126 1,867
2025-12-31 $207,363 1,581
2025-09-30 $285,099 3,002
2025-06-30 $246,730 2,586
2024-12-31 $2,984,225 22,332
2024-09-30 $3,152,922 24,177
2024-06-30 $2,607,516 24,981
2024-03-31 $3,588,172 26,130
2023-12-31 $3,693,620 26,527
2023-09-30 $3,956,548 28,821
2023-06-30 $6,078,051 32,418
2023-03-31 $8,239,480 35,431
2022-12-31 $7,750,527 38,331
2022-09-30 $7,086,704 37,144
2022-06-30 $7,278,716 39,481
2022-03-31 $14,607,367 41,807
2021-12-31 $17,304,692 45,486
2021-09-30 $18,220,408 44,921
2021-06-30 $21,154,379 44,704
2021-03-31 $17,344,916 45,162
2020-12-31 $15,653,960 42,308
2020-09-30 $13,203,589 42,719
2020-06-30 $17,824,943 48,130
2020-03-31 $12,715,099 46,555