Skip to main content
ILMN logo

ILMN · Illumina, Inc.

Track ILMN — free
$219.62 +6.38 (+2.99%)
Market Cap
$33.04B
Shares
151.00M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 937
Total Value: $27,510,500,475
Total Shares: 156,563,101

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 937 13F filers · Δ vs Mar 31, 2026
Top Holder
12.3%
Sep 2023 → Jun 2026 · range 11.8% – 12.8%
+0.2 pts
Top 5
34.7%
Sep 2023 → Jun 2026 · range 33.2% – 40.6%
+0.2 pts
Top 10
48.0%
Sep 2023 → Jun 2026 · range 44.0% – 52.4%
+0.7 pts
HHI
368
Sep 2023 → Jun 2026 · range 357 – 467
Broadly held+5

Quarterly Activity

vs Mar 31, 2026
New
162
Increased
302
Decreased
331
Sold Out
78
Unchanged
142
Holder count: +84
Institutional value: +41.7%
Shares held: -0.6%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 962
Export CSV
Holder Value (USD) % of 13F Shares Open
Key facts CIK 1110803 CUSIP 452327109 13F (30d) 821 filings 790 filers Visit website Investor relations