Who owns ILMN?
Institutional ownership of Illumina Inc. from Form 13F, Q2 2026
935 institutional managers reported holding Illumina Inc. (ILMN) in Form 13F filings for Q2 2026, with 156,322,910 shares worth $27.5B. The largest reported holder was BlackRock, Inc. Managers that filed both quarters added a net 365,921 shares (+0.2%). 155 opened new positions and 64 sold out.
- Funds holding
- 935
- Value held
- $27.5B
- New / sold out
- 155 / 64
- Net shares, same filers
- +0.2%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of ILMN
| Fund | Value | Share of 13F holdings | Shares | Move |
|---|---|---|---|---|
| BlackRock, Inc. | $3.4B | 12.3% | 19,191,398 | Added |
| Capital World Investors | $2.7B | 9.9% | 15,425,298 | Trimmed |
| Vanguard Portfolio Management LLC | $1.2B | 4.2% | 6,627,157 | Trimmed |
| Vanguard Capital Management LLC | $1.2B | 4.2% | 6,587,534 | Trimmed |
| State Street Corp | $1.1B | 4.2% | 6,507,288 | Added |
| WCM Investment Management, LLC | $1.1B | 4.0% | 6,206,701 | Added |
| FMR LLC | $795M | 2.9% | 4,523,417 | Added |
| AQR Capital Management LLC | $623M | 2.3% | 3,544,465 | Trimmed |
| Primecap Management Co | $618M | 2.2% | 3,514,649 | Added |
| Geode Capital Management, LLC | $517M | 1.9% | 2,946,669 | Trimmed |
| Corvex Management LP | $498M | 1.8% | 2,830,552 | Trimmed |
| Jupiter Topco LLC | $359M | 1.3% | 2,039,763 | First report |
| Invesco Ltd. | $351M | 1.3% | 1,994,241 | Trimmed |
| Loomis Sayles & Co L P | $340M | 1.2% | 1,931,948 | Trimmed |
| Wellington Management Group LLP | $319M | 1.2% | 1,812,928 | Added |
| Massachusetts Financial Services Co | $308M | 1.1% | 1,744,209 | Added |
| Bank of New York Mellon Corp | $294M | 1.1% | 1,671,192 | Added |
| Morgan Stanley | $291M | 1.1% | 1,654,664 | Trimmed |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $264M | 1.0% | 1,502,137 | Trimmed |
| Bank of America Corp | $256M | 0.9% | 1,455,287 | Trimmed |
| Northern Trust Corp | $251M | 0.9% | 1,429,299 | Trimmed |
| Agf Management LTD | $240M | 0.9% | 1,364,815 | New |
| Baillie Gifford & Co | $235M | 0.9% | 1,335,846 | Trimmed |
| JPMorgan Chase & Co | $214M | 0.8% | 1,181,215 | Added |
| Legal & General Group Plc | $206M | 0.8% | 1,173,286 | Added |
Share of 13F holdings is each fund's shares as a share of the 156,322,910 ILMN shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- FMR LLC Added+$523M
- Primecap Management Co Added+$254M
- Agf Management LTD New+$240M
- Wellington Management Group LLP Added+$209M
- Norges Bank New+$145M
- Massachusetts Financial Services Co Added+$127M
- PointState Capital LP Added+$125M
- Jane Street Group, LLC Added+$64.1M
- WCM Investment Management, LLC Added+$51.3M
- Alyeska Investment Group, L.P. Added+$48.4M
Biggest sellers in Q2 2026
- Sessa Capital IM, L.P. Trimmed-$379M
- Southpoint Capital Advisors LP Trimmed-$299M
- Loomis Sayles & Co L P Trimmed-$178M
- Corvex Management LP Trimmed-$176M
- Invesco Ltd. Trimmed-$117M
- Senvest Management, LLC Trimmed-$94.2M
- PGGM Investments Trimmed-$80.7M
- AQR Capital Management LLC Trimmed-$76.8M
- Marshall Wace, LLP Trimmed-$70.7M
- UBS Group AG Trimmed-$56.6M
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $2.9B and sold $2.7B; 287 added and 326 trimmed.
Schedule 13D and 13G filings on ILMN
Owners of more than 5% must file within days, so these can be newer than the 13F data.
- 2026-10-07FMR LLC SCHEDULE 13G filed by Illumina Inc.Schedule 13G
Questions about ILMN ownership
- Who owns ILMN stock?
- 935 institutional investment managers reported ILMN positions in their Form 13F filings for Q2 2026, holding 156,322,910 shares worth $27.5B in total. BlackRock, Inc. reported the largest position.
- Are funds buying or selling ILMN?
- In Q2 2026, 155 managers opened new ILMN positions, 287 added, 326 trimmed and 64 sold out. Managers that filed in both quarters added a net 365,921 shares.
- How current is this ILMN institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to ILMN by CUSIP. Options are left out. ILMN news and filings · ILMN insider trades · Top funds