Illumina, Inc. (ILMN) Insider Trading
Over the last 3 months, ILMN insiders made 0 open-market buys and 66 sales, a net sale of -$379.6M (SEC Form 4). Over the last 6 months, 592 institutions increased and 663 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
66
Net (3m)
-$379.6M
Insider trades by month Buys Sells
Nov
Dec
Feb
May
Jun
Aug
Context3-month price +34.4%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 27, 2026 | Meister Keith A.director | Sell | 38,213 | $224.72 |
| Aug 27, 2026 | Meister Keith A.director | Sell | 24,363 | $228.64 |
| Aug 27, 2026 | Meister Keith A.director | Sell | 53,123 | $225.69 |
| Aug 27, 2026 | Meister Keith A.director | Sell | 28,439 | $230.54 |
| Aug 27, 2026 | Meister Keith A.director | Sell | 425 | $227.22 |
| Aug 27, 2026 | Meister Keith A.director | Sell | 42 | $226.79 |
| Aug 27, 2026 | Meister Keith A.director | Sell | 54,309 | $227.67 |
| Aug 27, 2026 | Meister Keith A.director | Sell | 38,201 | $226.13 |
| Aug 27, 2026 | Meister Keith A.director | Sell | 9,405 | $231.23 |
| Aug 27, 2026 | Meister Keith A.director | Sell | 16,990 | $229.72 |
| Aug 27, 2026 | Meister Keith A.director | Sell | 92,776 | $225.26 |
| Aug 27, 2026 | Meister Keith A.director | Sell | 4,873 | $226.74 |
| Aug 27, 2026 | Meister Keith A.director | Sell | 14,782 | $226.50 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 12,813 | $205.00 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 9,078 | $209.68 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 4,528 | $210.45 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 12,602 | $216.44 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 9,348 | $219.82 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 23,638 | $210.66 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 4,759 | $204.16 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 21,147 | $217.72 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 3,883 | $220.13 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 29,805 | $212.83 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 13,050 | $212.65 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 18,405 | $215.62 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 13,668 | $214.64 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 8,187 | $217.84 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 42,218 | $214.57 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 34,009 | $211.90 |
| Aug 21, 2026 | Meister Keith A.director | Sell | 15,263 | $216.88 |
Source: ILMN SEC Form 4 filings, latest Aug 27, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ILMN positions over the last 6 months (SEC Form 13F).
Increased
592
New positions
261
Reduced
663
Sold out
67
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 19.2M | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 19.0M | May 13, 2026 |
| CAPITAL WORLD INVESTORS | Reduced | 15.5M | May 13, 2026 |
| Capital World Investors | Reduced | 15.4M | Aug 12, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 6.8M | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 6.6M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 6.6M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 6.6M | Aug 13, 2026 |
| STATE STREET CORP | Increased | 6.5M | Aug 7, 2026 |
| STATE STREET CORP | Increased | 6.4M | May 15, 2026 |
| WCM INVESTMENT MANAGEMENT, LLC | Increased | 6.2M | Aug 13, 2026 |
| WCM INVESTMENT MANAGEMENT, LLC | Increased | 5.9M | May 7, 2026 |
| FMR LLC | Increased | 4.5M | Aug 13, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Reduced | 4.0M | May 15, 2026 |
| CORVEX MANAGEMENT LP | Unchanged | 3.8M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.