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 ($108.4m this quarter). Holder counts are more reliable. Shares outstanding: 153.7m as of 2025-07-25, 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 ≈ $95.38. Options: 23 managers hold calls ($757.5m notional), 19 hold puts ($107.4m).
Trends to Q2 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 |
| Q2 2025 | 740 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| 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 |
| Q2 2025 | 387 | 328 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $176.2m | $189.6m | 1.08 |
| Q4 2024 | $347.0m | $192.2m | 0.55 |
| Q1 2025 | $138.8m | $97.9m | 0.70 |
| Q2 2025 | $757.5m | $107.4m | 0.14 |
Biggest buyers
| Sessa Capital IM, L.P. | New | +4.7m |
| AQR CAPITAL MANAGEMENT LLC | Added | +1.2m |
| ROYAL BANK OF CANADA | Added | +1.2m |
| EDMOND DE ROTHSCHILD HOLDING S.A. | Added | +833.8k |
| Thrivent Financial for Lutherans | Added | +684.8k |
| BlackRock, Inc. | Added | +620.8k |
| FMR LLC | Added | +620.6k |
| PGGM Investments | Added | +615.0k |
| Southpoint Capital Advisors LP | Added | +600.0k |
| Invesco Ltd. | Added | +444.5k |
Biggest sellers
| Capital World Investors | Reduced | -2.3m |
| BROWN ADVISORY INC | Reduced | -2.2m |
| BAILLIE GIFFORD & CO | Reduced | -1.3m |
| VANGUARD GROUP INC | Reduced | -1.2m |
| SOMA EQUITY PARTNERS LP | Sold out | -933.8k |
| Ownership Capital B.V. | Sold out | -576.9k |
| Pacer Advisors, Inc. | Sold out | -565.7k |
| Assenagon Asset Management S.A. | Reduced | -533.3k |
| Bank of New York Mellon Corp | Reduced | -504.1k |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | -488.3k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $251.2m2.6m shares |
| PointState Capital LP | Added | $155.9m1.6m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $105.8m1.1m shares |
| PEAK6 LLC | Added | $66.2m693.6k shares |
| JANE STREET GROUP, LLC | Added | $37.1m388.8k shares |
| IMC-Chicago, LLC | Added | $36.4m381.3k shares |
| GROUP ONE TRADING LLC | Added | $23.1m242.0k shares |
| WOLVERINE TRADING, LLC | Added | $23.0m242.2k shares |
| Squarepoint Ops LLC | Added | $12.9m134.9k shares |
| Walleye Trading LLC | Added | $9.5m99.5k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $32.1m336.6k shares |
| CITADEL ADVISORS LLC | Added | $16.5m172.7k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $11.8m123.5k shares |
| Walleye Capital LLC | Added | $6.4m67.2k shares |
| WOLVERINE TRADING, LLC | Added | $5.4m56.9k shares |
| D. E. Shaw & Co., Inc. | Reduced | $5.3m55.4k shares |
| PEAK6 LLC | Reduced | $5.2m54.0k shares |
| Twin Tree Management, LP | New | $5.1m53.0k shares |
| Walleye Trading LLC | Added | $4.6m48.3k shares |
| TUDOR INVESTMENT CORP ET AL | Added | $3.8m40.1k 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 Q2 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 |
|---|---|---|---|---|---|
| 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 | — | — |
| Q2 2025 | 2 | $1.5m | 0 | — | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-05-13 | Thaysen Jacob Chief Executive Officer, director | Bought | $472.9k5.8k shares |
| 2025-05-12 | Thaysen Jacob Chief Executive Officer, director | Bought | $525.7k6.5k shares |
| 2025-05-12 | Dhingra Ankur SVP, Chief Financial Officer | Bought | $495.4k6.1k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.04% of their portfolio | 19.4m $1.8bn | Added +620.8k |
| Capital World Investors 0.23% of their portfolio | 16.6m $1.6bn | Reduced -2.3m |
| VANGUARD GROUP INC 0.02% of their portfolio | 15.2m $1.4bn | Reduced -1.2m |
| STATE STREET CORP 0.02% of their portfolio | 5.6m $535.9m | Reduced -234.6k |
| Sessa Capital IM, L.P. 13.71% of their portfolio | 4.7m $450.6m | New |
| WCM INVESTMENT MANAGEMENT, LLC 0.96% of their portfolio | 4.4m $419.6m | Added +247.5k |
| LOOMIS SAYLES & CO L P 0.51% of their portfolio | 4.2m $403.2m | Added +78.3k |
| Corvex Management LP 15.47% of their portfolio | 3.8m $365.4m | Unchanged |
| AQR CAPITAL MANAGEMENT LLC 0.26% of their portfolio | 3.3m $313.3m | Added +1.2m |
| PointState Capital LP 6.02% of their portfolio | 3.0m $281.5m | Added +433.5k |
| GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 2.9m $272.9m | Added +21.3k |
| Bank of New York Mellon Corp 0.04% of their portfolio | 2.3m $222.9m | Reduced -504.1k |
| GUARDCAP ASSET MANAGEMENT Ltd 3.81% of their portfolio | 2.0m $194.4m | Reduced -33.7k |
| PRIMECAP MANAGEMENT CO/CA/ 0.15% of their portfolio | 2.0m $186.9m | Reduced -412.4k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 1.9m $184.2m | Added +48.7k |
| JANUS HENDERSON GROUP PLC 0.09% of their portfolio | 1.9m $183.2m | Reduced -4.0k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.03% of their portfolio | 1.8m $171.4m | Reduced -163.7k |
| BAILLIE GIFFORD & CO 0.12% of their portfolio | 1.7m $166.1m | Reduced -1.3m |
| ROYAL BANK OF CANADA 0.02% of their portfolio | 1.6m $154.5m | Added +1.2m |
| NORTHERN TRUST CORP 0.02% of their portfolio | 1.6m $152.7m | Added +48.6k |
| EDMOND DE ROTHSCHILD HOLDING S.A. 2.17% of their portfolio | 1.4m $136.3m | Added +833.8k |
| UBS Group AG 0.03% of their portfolio | 1.4m $134.2m | Reduced -21.9k |
| Senvest Management, LLC 4.42% of their portfolio | 1.4m $131.9m | Added +231.3k |
| Invesco Ltd. 0.02% of their portfolio | 1.4m $129.1m | Added +444.5k |
| MORGAN STANLEY 0.01% of their portfolio | 1.3m $128.6m | Added +34.5k |
| Sumitomo Mitsui Trust Group, Inc. 0.07% of their portfolio | 1.2m $117.8m | Added +184.6k |
| Legal & General Group Plc 0.03% of their portfolio | 1.2m $116.7m | Reduced -320.5k |
| ARK Investment Management LLC 0.82% of their portfolio | 1.2m $111.4m | Added +272.8k |
| PGGM Investments 1.90% of their portfolio | 1.1m $109.7m | Added +615.0k |
| FMR LLC 0.01% of their portfolio | 1.1m $107.6m | Added +620.6k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.41% of their portfolio | 1.1m $105.4m | Reduced -56.7k |
| Southpoint Capital Advisors LP 2.64% of their portfolio | 1.1m $105.0m | Added +600.0k |
| RENAISSANCE TECHNOLOGIES LLC 0.13% of their portfolio | 1.0m $97.5m | Reduced -67.7k |
| Amova Asset Management Americas, Inc. 0.83% of their portfolio | 868.0k $82.8m | Added +194.2k |
| LETKO, BROSSEAU & ASSOCIATES INC 1.56% of their portfolio | 853.6k $81.4m | Added +9.5k |
| FEDERATED HERMES, INC. 0.14% of their portfolio | 802.3k $76.6m | Reduced -4.4k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 757.8k $72.3m | Added +36.8k |
| Ion Asset Management Ltd. 4.33% of their portfolio | 750.9k $71.6m | Added +17.2k |
| Thrivent Financial for Lutherans 0.15% of their portfolio | 728.8k $69.5m | Added +684.8k |
| BROWN ADVISORY INC 0.09% of their portfolio | 726.0k $69.3m | Reduced -2.2m |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 708.4k $67.6m | Added +34.4k |
| Spyglass Capital Management LLC 3.93% of their portfolio | 698.6k $66.7m | Added +139.5k |
| Casdin Capital, LLC 5.60% of their portfolio | 645.0k $61.5m | Added +50.0k |
| RHUMBLINE ADVISERS 0.05% of their portfolio | 632.0k $60.3m | Added +191.9k |
| TEACHER RETIREMENT SYSTEM OF TEXAS 0.25% of their portfolio | 620.4k $59.2m | Reduced -49.4k |
| Patient Capital Management, LLC 2.51% of their portfolio | 582.2k $55.5m | Added +123.5k |
| M&G PLC 0.29% of their portfolio | 558.5k $53.1m | Added +316.3k |
| FIRST TRUST ADVISORS LP 0.04% of their portfolio | 554.6k $52.9m | Added +185.8k |
| AKO CAPITAL LLP 0.64% of their portfolio | 534.0k $50.9m | Reduced -355.8k |
| Rockefeller Capital Management L.P. 0.06% of their portfolio | 529.4k $50.5m | Added +269.9k |
| Swedbank AB 0.06% of their portfolio | 523.7k $50.0m | First filing |
| STIFEL FINANCIAL CORP 0.05% of their portfolio | 497.2k $47.4m | Reduced -31.6k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 487.5k $46.5m | Added +54.6k |
| Swiss National Bank 0.03% of their portfolio | 477.4k $45.5m | Added +30.1k |
| Chevy Chase Trust Holdings, LLC 0.13% of their portfolio | 465.0k $44.4m | Reduced -60.7k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 459.4k $43.8m | Added +197.0k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.04% of their portfolio | 440.3k $42.0m | Added +264.2k |
| BNP PARIBAS FINANCIAL MARKETS 0.03% of their portfolio | 396.6k $37.8m | Reduced -488.3k |
| Assenagon Asset Management S.A. 0.06% of their portfolio | 389.0k $37.1m | Reduced -533.3k |
| Diamond Hill Capital Management, LLC (Investment Advisor) 0.17% of their portfolio | 379.8k $36.2m | Added +50.8k |
| RAYMOND JAMES FINANCIAL INC 0.01% of their portfolio | 373.7k $35.7m | Added +5.1k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 372.8k $35.6m | Reduced -45.3k |
| CAPITAL FUND MANAGEMENT S.A. 0.38% of their portfolio | 361.6k $34.5m | Added +144.6k |
| Baird Financial Group, Inc. 0.06% of their portfolio | 361.0k $34.4m | Reduced -51.3k |
| PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio | 358.9k $34.2m | Reduced -5.5k |
| Amundi 0.01% of their portfolio | 350.2k $35.1m | Reduced -30.2k |
| Eagle Health Investments LP 8.09% of their portfolio | 343.4k $32.8m | Unchanged |
| KEYBANK NATIONAL ASSOCIATION/OH 0.12% of their portfolio | 339.2k $32.4m | Reduced -55.8k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.02% of their portfolio | 334.8k $31.9m | Added +149.8k |
| Aberdeen Group plc 0.05% of their portfolio | 327.4k $31.2m | Reduced -30.5k |
| NATIXIS ADVISORS, LLC 0.05% of their portfolio | 319.2k $30.5m | Added +23.5k |
| Squarepoint Ops LLC 0.07% of their portfolio | 316.3k $30.2m | Added +124.9k |
| CIBC Private Wealth Group LLC 0.05% of their portfolio | 312.2k $29.8m | Added +134.5k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 310.1k $29.6m | Added +2.0k |
| California Public Employees Retirement System 0.02% of their portfolio | 309.1k $29.5m | Added +17.4k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 306.6k $29.3m | Reduced -8.2k |
| OVERSEA-CHINESE BANKING Corp Ltd 0.82% of their portfolio | 304.2k $29.0m | Reduced -6.2k |
| Duquesne Family Office LLC 0.73% of their portfolio | 300.6k $28.7m | New |
| Freestone Grove Partners LP 0.21% of their portfolio | 289.7k $27.6m | Added +171.3k |
| Douglas Lane & Associates, LLC 0.40% of their portfolio | 288.7k $27.5m | Reduced -1.4k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.02% of their portfolio | 285.3k $27.2m | Reduced -104.7k |
| CANADA LIFE ASSURANCE Co 0.04% of their portfolio | 279.4k $26.7m | Reduced -45.9k |
| Stephens Investment Management Group LLC 0.35% of their portfolio | 279.2k $26.6m | Reduced -16.4k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.03% of their portfolio | 258.6k $24.7m | Added +4.2k |
| HSBC HOLDINGS PLC 0.02% of their portfolio | 256.1k $24.4m | Reduced -255.6k |
| Cannell & Spears LLC 0.48% of their portfolio | 248.4k $23.7m | Reduced -69.7k |
| BAMCO INC /NY/ 0.06% of their portfolio | 247.5k $23.6m | Added +108.3k |
| IEQ CAPITAL, LLC 0.14% of their portfolio | 245.4k $23.4m | Added +176.6k |
| NORGES BANK 0.00% of their portfolio | 239.6k $22.9m | Added +164.5k |
| TWO SIGMA INVESTMENTS, LP 0.04% of their portfolio | 228.3k $21.8m | Reduced -231.2k |
| Nuveen, LLC 0.01% of their portfolio | 228.2k $21.8m | Reduced -71.1k |
| BARCLAYS PLC 0.01% of their portfolio | 225.9k $21.5m | Added +9.7k |
| EXCHANGE TRADED CONCEPTS, LLC 0.27% of their portfolio | 225.0k $21.5m | Added +4.3k |
| Maple Rock Capital Partners Inc. 1.05% of their portfolio | 220.9k $21.1m | Reduced -26.1k |
| ASR Vermogensbeheer N.V. 0.27% of their portfolio | 220.1k $21.0m | Added +14.4k |
| Russell Investments Group, Ltd. 0.03% of their portfolio | 207.4k $19.8m | Added +9.0k |
| ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio | 204.1k $19.5m | Reduced -99.1k |
| Quantinno Capital Management LP 0.08% of their portfolio | 203.9k $19.5m | Added +195.8k |
| JENNISON ASSOCIATES LLC 0.01% of their portfolio | 200.2k $19.1m | Reduced -88.0k |
| Mitsubishi UFJ Trust & Banking Corp 0.04% of their portfolio | 200.1k $19.1m | Added +122.9k |