ILMN — ILLUMINA INC
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying ILMN?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 3 tracked investors who changed their ILMN position last quarter, 0 bought and 3 sold (0% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 56/100 in a Overheat regime).
- +5 tracked investors reported holding ILMN at their latest filing
- +Macro Health is 56/100 in a Overheat regime — historically acceptable for this sectorsource
- −3 tracked investors reduced or exited last quarter (2 reduced, 1 sold out)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.
About ILLUMINA INC (ILMN)
ILLUMINA INC (ILMN) appears in the most recent 13F filings of 5 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $270M. Across recent filings, tracked investors recorded 10 new positions, 7 increased, 11 reduced, and 7 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in ILMN
How many top investors track ILMN
A small number of top investors own this.
ILMN Ownership Composition
How ILLUMINA INC is held across tracked investor types, based on reported 13F positions.
- Growth & Innovation73.5%
- Multi-Strategy / Quant25.6%
- Macro0.9%
Tracked investors currently reporting ILMN
5 tracked investors have since exited this position — listed separately below.
- Ken GriffinJun 30, 2026Citadel AdvisorsShares169.3KValue$29.8M% Portfolio0.00%
- Izzy EnglanderJun 30, 2026Millennium ManagementShares99.7KValue$17.5M% Portfolio0.01%
- Cathie WoodJun 30, 2026ARK Investment ManagementShares1MValue$183.7M% Portfolio1.19%
- Steve CohenJun 30, 2026Point72 Asset ManagementShares95.5KValue$16.8M% Portfolio0.02%
- Ray DalioJun 30, 2026Bridgewater AssociatesShares12.6KValue$2.2M% Portfolio0.01%
Previously held ILMN
These investors reported ILMN in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.
| Investor | Firm | Last reported shares | Value then | Last held |
|---|---|---|---|---|
| Philippe Laffont | Coatue Management | 856.7K | $119.3M | Dec 31, 2023 |
| Carl Icahn | Icahn Capital | 220K | $17.5M | Mar 31, 2025 |
| Stanley Druckenmiller | Duquesne Family Office | 300.6K | $28.7M | Jun 30, 2025 |
| Paul Tudor Jones | Tudor Investment Corp | 8K | $1M | Dec 31, 2025 |
| George Soros | Soros Fund Management | 175K | $22.8M | Sep 30, 2024 |
Recent activity
- Sold$0(-100.00%)Feb 14, 2025
- New$91.7MFeb 4, 2025
- Increased$71M(30.45%)May 7, 2025
- Increased$111.4M(30.46%)Jul 30, 2025
- Increased$202K(4.94%)Feb 11, 2026
- Reduced$139.2M(-26.68%)May 12, 2026
- Reduced$183.7M(-7.48%)Aug 14, 2026
- Unchanged$59.9M(0.00%)Feb 14, 2024
- Unchanged$59M(0.00%)May 15, 2024
- Unchanged$44.9M(0.00%)Aug 14, 2024
- Unchanged$56.1M(0.00%)Nov 14, 2024
- Reduced$5.3M(-90.70%)Feb 14, 2025
- Increased$17.5M(450.00%)May 15, 2025
- Sold$0(-100.00%)Aug 14, 2025
- New$159MNov 14, 2025
- Reduced$139.1K(-36.65%)Feb 17, 2026
- Reduced$744.1K(-2.03%)Feb 14, 2024
- Reduced$412.4K(-43.81%)May 14, 2024
- Sold$0(-100.00%)Aug 14, 2024
- New$1.6MMay 15, 2026
- Reduced$2.2M(-1.29%)Aug 14, 2026
- Sold$0(-100.00%)Nov 14, 2024
- Sold$0(-100.00%)May 15, 2024
- Increased$8.9M(83.50%)Aug 14, 2024
- Increased$25.1M(125.19%)Nov 14, 2024
- Reduced$5.5M(-78.59%)Feb 14, 2025
- Increased$21.5M(558.24%)May 15, 2025
- Reduced$5.9M(-77.01%)Aug 14, 2025
- Reduced$5.1M(-14.10%)Dec 9, 2025
- Reduced$221.9K(-77.50%)May 15, 2026
- Sold$0(-100.00%)Aug 14, 2026
- $28.7MAug 15, 2025
- $0(-100.00%)Nov 14, 2025
- New$59MNov 14, 2023
- New$748.9KNov 13, 2023
- $119.3MFeb 14, 2024
- New$15.1MSep 16, 2024
- $6.4MMay 15, 2024
- New$22.8MNov 14, 2024
Frequently asked questions
- How many institutional investors hold ILMN?
- 5 tracked institutional investors disclosed a position in ILMN (ILLUMINA INC) in their most recent 13F filing.
- Who is the largest institutional holder of ILMN?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in ILMN, valued at $270M.
- Did institutional ownership of ILMN increase or decrease?
- Across recent 13F filings, tracked investors recorded 10 new positions, 7 increased, 11 reduced, and 7 fully exited ILMN.
- Where does this ILMN ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.