ILMNIllumina, Inc.

$278.10+171% 1Y

Who owns ILMN

915 institutions reported holding ILMN for 2026Q2, together 101% of the company, more than the 832 a quarter earlier.

915

Institutions reporting a position · as of 2026Q2 · up from 832 the quarter before

Shares held by institutions
155.0M

Shares held by institutions · 101% of the company · long US equity positions only, as reported on Form 13F

Reported value
$27.2B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
40%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
154
Positions exited
74
Added to
272
Reduced
310
Top 10 holdersof the company
52%
Shares sold shortsettled Sep 15, 2026
10.6M
Short interestof shares outstanding
6.9%
Days to coverat the average daily volume
5.6
Change in the short positionsince the Aug 31, 2026 count
+8.9%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q2915155.0M$27.2B
2026Q1832155.3M$19.1B
2025Q4843156.9M$20.6B
2025Q3765156.0M$14.8B
2025Q2729154.4M$14.7B
2025Q1711154.1M$12.2B
2024Q4848154.2M$20.6B
2024Q3801141.5M$18.5B
2024Q2768139.5M$14.6B
2024Q1784143.4M$19.6B
2023Q4801141.9M$19.8B
2023Q3806143.8M$19.7B
2023Q2878146.0M$27.4B
2023Q1925141.2M$32.9B
2022Q4925141.5M$28.6B
2022Q3884140.1M$26.8B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.19.2M12%$3.37B
Capital World Investors15.4M10%$2.71B
VANGUARD GROUP INC14.6M9.5%$2.57B
STATE STREET CORP6.5M4.2%$1.14B
WCM INVESTMENT MANAGEMENT, LLC6.2M4.0%$1.12B
FMR LLC4.5M2.9%$795M
AQR CAPITAL MANAGEMENT LLC3.5M2.3%$623M
PRIMECAP MANAGEMENT CO/CA/3.5M2.3%$618M
GEODE CAPITAL MANAGEMENT LLC2.9M1.9%$517M
Corvex Management LP2.8M1.8%$498M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 202610.6M6.9%5.6
Aug 31, 20269.7M6.3%5.2
Aug 14, 20269.5M6.1%4.8
Jul 31, 20268.1M5.2%4.5
Jul 15, 20268.8M5.7%4.4
Jun 30, 20267.6M4.9%3.7
Jun 15, 20269.2M6.0%4.5
May 29, 20267.7M5.0%4.7
May 15, 20267.5M4.9%4.0
Apr 30, 20266.5M4.3%4.7
Apr 15, 20267.2M4.7%5.2
Mar 31, 20267.0M4.5%4.9

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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