ILLUMINA INC ILMN
COM · Common Stock · CUSIP 452327109 · ISIN US4523271090
American company that develops systems for the analysis of genetic variation
- SectorTechnology
- IndustryLaboratory Analytical Instruments
- HeadquartersSan Diego, CA
- Founded1998
- Websiteillumina.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($96.3m this quarter). Holder counts are more reliable. Shares outstanding: 158.3m as of 2025-05-02, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $79.33. Options: 25 managers hold calls ($138.8m notional), 21 hold puts ($97.9m).
Trends to Q1 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 898 |
| Q4 2022 | 945 |
| Q1 2023 | 949 |
| Q2 2023 | 897 |
| Q3 2023 | 820 |
| Q4 2023 | 813 |
| Q1 2024 | 796 |
| Q2 2024 | 775 |
| Q3 2024 | 808 |
| Q4 2024 | 855 |
| Q1 2025 | 725 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2023 | 397 | 456 |
| Q3 2023 | 318 | 503 |
| Q4 2023 | 364 | 447 |
| Q1 2024 | 411 | 365 |
| Q2 2024 | 365 | 402 |
| Q3 2024 | 411 | 374 |
| Q4 2024 | 357 | 394 |
| Q1 2025 | 342 | 483 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2024 | $170.8m | $172.9m | 1.01 |
| Q3 2024 | $176.2m | $189.6m | 1.08 |
| Q4 2024 | $347.0m | $192.2m | 0.55 |
| Q1 2025 | $138.8m | $97.9m | 0.70 |
Biggest buyers
| Corvex Management LP | Added | +2.1m |
| AQR CAPITAL MANAGEMENT LLC | Added | +1.7m |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Added | +1.2m |
| BROWN ADVISORY INC | Added | +996.6k |
| UBS Group AG | Added | +976.8k |
| PointState Capital LP | Added | +905.4k |
| Assenagon Asset Management S.A. | Added | +879.5k |
| Capital World Investors | Added | +874.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Added | +668.0k |
| VANGUARD GROUP INC | Added | +558.2k |
Biggest sellers
| NORGES BANK | Reduced | -1.6m |
| ALLIANCEBERNSTEIN L.P. | Reduced | -1.4m |
| BESSEMER GROUP INC | Reduced | -1.3m |
| Artisan Partners Limited Partnership | Sold out | -1.1m |
| AMERIPRISE FINANCIAL INC | Reduced | -1.0m |
| Pictet Asset Management Holding SA | Reduced | -978.4k |
| MACQUARIE GROUP LTD | Reduced | -830.1k |
| Findlay Park Partners LLP | Sold out | -727.1k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Reduced | -705.6k |
| BlackRock, Inc. | Reduced | -579.5k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $28.9m364.5k shares |
| NOMURA HOLDINGS INC | Unchanged | $19.8m250.0k shares |
| PointState Capital LP | Unchanged | $19.8m250.0k shares |
| CITADEL ADVISORS LLC | Reduced | $15.8m199.5k shares |
| IMC-Chicago, LLC | Added | $9.6m120.5k shares |
| PEAK6 LLC | Added | $6.8m85.8k shares |
| JANE STREET GROUP, LLC | Reduced | $5.9m74.7k shares |
| GROUP ONE TRADING LLC | Reduced | $5.3m66.2k shares |
| WOLVERINE TRADING, LLC | Added | $4.2m51.9k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $4.1m52.2k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $28.4m357.6k shares |
| PEAK6 LLC | Added | $14.5m182.8k shares |
| CITADEL ADVISORS LLC | Added | $12.7m160.2k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $7.2m90.3k shares |
| Caption Management, LLC | Reduced | $6.2m78.4k shares |
| D. E. Shaw & Co., Inc. | Reduced | $4.6m57.8k shares |
| WOLVERINE TRADING, LLC | Added | $4.1m51.6k shares |
| Walleye Capital LLC | Added | $3.7m47.2k shares |
| Squarepoint Ops LLC | Added | $3.2m40.2k shares |
| TUDOR INVESTMENT CORP ET AL | New | $2.7m34.6k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| FMR LLC 13G · institution new · filed 2026-10-07 | 10.7% |
| Capital World Investors 13G · institution -2.9 pts · filed 2026-05-14 | 10.3% |
| BlackRock, Inc. 13G · institution filed 2026-10-27 | 8.9% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.2% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q1 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2023 | 0 | — | 1 | $1.1m | $1.1m |
| Q3 2023 | 0 | — | 1 | $178.6k | $95.0k |
| Q4 2023 | 0 | — | 1 | $35.5k | $35.5k |
| Q1 2024 | 1 | $991.7k | 0 | — | — |
| Q2 2024 | 0 | — | 0 | — | — |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
None reported in Q1 2025.
Holders, Q1 2025
| Manager | Shares | Change |
|---|---|---|
| Capital World Investors 0.24% of their portfolio | 18.9m $1.5bn | Added +874.1k |
| BlackRock, Inc. 0.03% of their portfolio | 18.7m $1.5bn | Reduced -579.5k |
| VANGUARD GROUP INC 0.02% of their portfolio | 16.4m $1.3bn | Added +558.2k |
| STATE STREET CORP 0.02% of their portfolio | 5.9m $464.3m | Added +58.3k |
| WCM INVESTMENT MANAGEMENT, LLC 0.86% of their portfolio | 4.2m $334.3m | Added +49.2k |
| LOOMIS SAYLES & CO L P 0.48% of their portfolio | 4.1m $329.0m | Reduced -62.9k |
| Corvex Management LP 11.80% of their portfolio | 3.8m $303.8m | Added +2.1m |
| BAILLIE GIFFORD & CO 0.21% of their portfolio | 3.0m $238.9m | Reduced -7.4k |
| BROWN ADVISORY INC 0.33% of their portfolio | 2.9m $230.8m | Added +996.6k |
| GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 2.8m $225.5m | Added +114.2k |
| Bank of New York Mellon Corp 0.04% of their portfolio | 2.8m $225.3m | Reduced -561.9k |
| PointState Capital LP 4.37% of their portfolio | 2.5m $199.7m | Added +905.4k |
| PRIMECAP MANAGEMENT CO/CA/ 0.16% of their portfolio | 2.4m $188.1m | Reduced -84.9k |
| AQR CAPITAL MANAGEMENT LLC 0.17% of their portfolio | 2.1m $165.5m | Added +1.7m |
| GUARDCAP ASSET MANAGEMENT Ltd 3.18% of their portfolio | 2.1m $164.3m | Reduced -329.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.04% of their portfolio | 2.0m $155.5m | Added +668.0k |
| JANUS HENDERSON GROUP PLC 0.08% of their portfolio | 1.9m $153.9m | Reduced -228.9k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 1.9m $149.3m | Added +269.3k |
| NORTHERN TRUST CORP 0.02% of their portfolio | 1.6m $123.2m | Reduced -100.7k |
| Legal & General Group Plc 0.03% of their portfolio | 1.5m $122.5m | Added +112.4k |
| UBS Group AG 0.03% of their portfolio | 1.4m $113.3m | Added +976.8k |
| MORGAN STANLEY 0.01% of their portfolio | 1.3m $104.2m | Reduced -203.0k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.37% of their portfolio | 1.2m $92.2m | Added +1.2m |
| Senvest Management, LLC 3.82% of their portfolio | 1.2m $91.3m | Added +81.0k |
| RENAISSANCE TECHNOLOGIES LLC 0.13% of their portfolio | 1.1m $86.4m | Added +184.7k |
| Sumitomo Mitsui Trust Group, Inc. 0.06% of their portfolio | 1.1m $83.3m | Added +184.7k |
| SOMA EQUITY PARTNERS LP 4.47% of their portfolio | 933.8k $74.1m | Added +195.4k |
| Assenagon Asset Management S.A. 0.13% of their portfolio | 922.3k $73.2m | Added +879.5k |
| Invesco Ltd. 0.01% of their portfolio | 908.5k $72.1m | Added +344.8k |
| ARK Investment Management LLC 0.71% of their portfolio | 895.3k $71.0m | Added +209.0k |
| AKO CAPITAL LLP 0.92% of their portfolio | 889.7k $70.6m | Added +394.4k |
| BNP PARIBAS FINANCIAL MARKETS 0.05% of their portfolio | 884.9k $70.2m | First filing |
| LETKO, BROSSEAU & ASSOCIATES INC 1.42% of their portfolio | 844.1k $67.0m | Added +158.3k |
| FEDERATED HERMES, INC. 0.14% of their portfolio | 806.8k $64.0m | Added +287.6k |
| Ion Asset Management Ltd. 4.28% of their portfolio | 733.7k $58.2m | Reduced -66.8k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 721.0k $57.2m | Added +37.5k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 674.0k $53.5m | Reduced -117.1k |
| Amova Asset Management Americas, Inc. 0.69% of their portfolio | 673.7k $53.4m | Added +181.2k |
| TEACHER RETIREMENT SYSTEM OF TEXAS 0.22% of their portfolio | 669.7k $53.1m | Added +87.3k |
| Casdin Capital, LLC 3.86% of their portfolio | 595.0k $47.2m | Reduced -155.0k |
| EDMOND DE ROTHSCHILD HOLDING S.A. 0.83% of their portfolio | 594.9k $47.2m | Added +339.8k |
| Ownership Capital B.V. 2.10% of their portfolio | 576.9k $45.8m | Reduced -214.3k |
| Pacer Advisors, Inc. 0.11% of their portfolio | 565.7k $44.9m | Added +542.0k |
| Spyglass Capital Management LLC 3.05% of their portfolio | 559.1k $44.4m | Added +21.3k |
| PGGM Investments 0.57% of their portfolio | 534.4k $42.4m | Added +77.0k |
| STIFEL FINANCIAL CORP 0.04% of their portfolio | 528.8k $42.0m | Added +202.7k |
| Chevy Chase Trust Holdings, LLC 0.13% of their portfolio | 525.7k $41.7m | Reduced -750 |
| Robeco Institutional Asset Management B.V. 0.08% of their portfolio | 516.3k $41.0m | Added +67.7k |
| HSBC HOLDINGS PLC 0.03% of their portfolio | 511.7k $40.3m | Added +371.6k |
| FMR LLC 0.00% of their portfolio | 507.7k $40.3m | Reduced -99.7k |
| Southpoint Capital Advisors LP 0.96% of their portfolio | 500.0k $39.7m | New |
| ROYAL BANK OF CANADA 0.01% of their portfolio | 464.9k $36.9m | Added +120.4k |
| TWO SIGMA INVESTMENTS, LP 0.08% of their portfolio | 459.5k $36.5m | Reduced -274.4k |
| Patient Capital Management, LLC 1.87% of their portfolio | 458.7k $36.4m | Added +48.7k |
| Swiss National Bank 0.03% of their portfolio | 447.3k $35.5m | Reduced -1.5k |
| RHUMBLINE ADVISERS 0.03% of their portfolio | 440.0k $34.9m | Reduced -8.8k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 432.9k $34.3m | Added +52.0k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 418.2k $33.2m | Reduced -59.8k |
| Baird Financial Group, Inc. 0.06% of their portfolio | 412.3k $32.7m | Added +383.4k |
| KEYBANK NATIONAL ASSOCIATION/OH 0.13% of their portfolio | 395.1k $31.3m | Added +3.1k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.03% of their portfolio | 390.0k $30.9m | Reduced -23.5k |
| Amundi 0.01% of their portfolio | 380.4k $29.1m | Reduced -255.8k |
| FIRST TRUST ADVISORS LP 0.03% of their portfolio | 368.7k $29.3m | Added +37.9k |
| RAYMOND JAMES FINANCIAL INC 0.01% of their portfolio | 368.6k $29.2m | Reduced -9.8k |
| PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio | 364.5k $28.9m | Reduced -114.7k |
| Aberdeen Group plc 0.06% of their portfolio | 357.9k $28.4m | Added +126.6k |
| Eagle Health Investments LP 7.07% of their portfolio | 343.4k $27.2m | Unchanged |
| MILLENNIUM MANAGEMENT LLC 0.03% of their portfolio | 332.3k $26.4m | Reduced -199.2k |
| Diamond Hill Capital Management, LLC (Investment Advisor) 0.12% of their portfolio | 329.0k $26.1m | New |
| CANADA LIFE ASSURANCE Co 0.05% of their portfolio | 325.2k $25.8m | Added +45.4k |
| Cannell & Spears LLC 0.54% of their portfolio | 318.1k $25.2m | Reduced -346.4k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 314.8k $25.0m | Reduced -34.0k |
| OVERSEA-CHINESE BANKING Corp Ltd 0.72% of their portfolio | 310.5k $24.7m | Added +27.3k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 308.1k $24.4m | Reduced -1.0m |
| CITADEL ADVISORS LLC 0.02% of their portfolio | 306.6k $24.3m | Added +298.1k |
| ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio | 303.3k $24.1m | Reduced -1.4m |
| Nuveen, LLC 0.01% of their portfolio | 299.3k $23.7m | First filing |
| NATIXIS ADVISORS, LLC 0.04% of their portfolio | 295.8k $23.5m | Reduced -29.3k |
| Stephens Investment Management Group LLC 0.34% of their portfolio | 295.6k $23.5m | Added +53.6k |
| California Public Employees Retirement System 0.02% of their portfolio | 291.7k $23.1m | Reduced -6.9k |
| Douglas Lane & Associates, LLC 0.34% of their portfolio | 290.1k $23.0m | Reduced -4.7k |
| JENNISON ASSOCIATES LLC 0.02% of their portfolio | 288.2k $22.9m | Reduced -765 |
| WORLDQUANT MILLENNIUM ADVISORS LLC 0.13% of their portfolio | 263.8k $20.9m | Added +140.5k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 262.4k $20.8m | Reduced -445.7k |
| Rockefeller Capital Management L.P. 0.05% of their portfolio | 259.4k $20.6m | Added +74.2k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio | 254.4k $20.2m | Added +1.3k |
| Maple Rock Capital Partners Inc. 1.43% of their portfolio | 247.0k $19.6m | New |
| M&G PLC 0.09% of their portfolio | 242.2k $19.1m | Added +113.2k |
| EXCHANGE TRADED CONCEPTS, LLC 0.31% of their portfolio | 220.7k $17.5m | Added +77.6k |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.03% of their portfolio | 220.4k $17.5m | Reduced -3.4k |
| TUDOR INVESTMENT CORP ET AL 0.16% of their portfolio | 220.0k $17.5m | Added +178.9k |
| ICAHN CARL C 0.23% of their portfolio | 220.0k $17.5m | Added +180.0k |
| Trexquant Investment LP 0.20% of their portfolio | 218.4k $17.3m | Added +75.4k |
| CAPITAL FUND MANAGEMENT S.A. 0.22% of their portfolio | 217.1k $17.2m | Added +166.4k |
| BARCLAYS PLC 0.01% of their portfolio | 216.2k $17.2m | Added +245 |
| JANE STREET GROUP, LLC 0.03% of their portfolio | 210.1k $16.7m | Reduced -524.6k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.03% of their portfolio | 208.4k $16.5m | Added +13.0k |
| ASR Vermogensbeheer N.V. 0.24% of their portfolio | 205.7k $16.3m | First filing |
| Pictet Asset Management Holding SA 0.02% of their portfolio | 204.0k $16.3m | Reduced -978.4k |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.05% of their portfolio | 199.2k $15.8m | Added +9.3k |