Ticker · CUSIP 452327109
···Share
Holders (tracked)
20
Combined shares
11,052,650
Combined value
$1.45B
Last close
$134.50
Quarter
2025Q4
Price · 1Y$134.50+63.30 (+88.90%)H $153.95 · L $71.20 · Avg Vol 1.9M
Congress buyCongress sell
$80.00$100.00$120.00$140.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
20232024Q12025Q4
Price is +2.5% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

30 events
  1. +1,028,099 shares · 2025Q4
    Position
  2. +13,635 shares · 2025Q4
    Position
  3. +8,000 shares · 2025Q4
    Position
  4. −101,720 shares · 2025Q4
    Position
  5. +11,472 shares · 2025Q4
    Position
  6. +46,370 shares · 2025Q4
    Position
  7. +9,919 shares · 2025Q4
    Position
  8. −295,389 shares · 2025Q4
    Position
  9. +16,500 shares · 2025Q4
    Position
  10. +4,360 shares · 2025Q4
    Position
  11. +109,769 shares · 2025Q4
    Position
  12. −70,300 shares · 2025Q4
    Position
  13. +72,472 shares · 2025Q4
    Position
  14. +540,134 shares · 2025Q4
    Position
  15. −59,916 shares · 2025Q4
    Position
  16. +102,147 shares · 2025Q3
    Position
  17. +209,214 shares · 2025Q3
    Position
  18. −183,921 shares · 2025Q3
    Position
  19. −8,048 shares · 2025Q3
    Position
  20. +8,699 shares · 2025Q3
    Position
  21. −8,341 shares · 2025Q3
    Position
  22. −300,615 shares · 2025Q3
    Position
  23. +101,720 shares · 2025Q3
    Position
  24. −39,378 shares · 2025Q3
    Position
  25. −9,351 shares · 2025Q3
    Position
  26. −239,640 shares · 2025Q3
    Position
  27. +183,082 shares · 2025Q3
    Position
  28. −135,796 shares · 2024Q3
    Position
  29. +299,801 shares · 2025Q3
    Position
  30. −54,461 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ILMN…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Paul Tudor Jones (Tudor Investment)2016Q3$82.32+63.4%$1.1M
AQR Capital Management2016Q1$100.53+33.8%$595.3M
D.E. Shaw & Co.2016Q1$104.74+28.4%$4.7M
D.E. Shaw & Co.2016Q1$104.74+28.4%$4.7M
Izzy Englander (Millennium Mgmt)2016Q1$111.49+20.6%$4.8M
Izzy Englander (Millennium Mgmt)2016Q1$111.49+20.6%$4.8M
Izzy Englander (Millennium Mgmt)2016Q1$111.49+20.6%$4.8M
Cathie Wood (ARK Invest)2016Q4$116.59+15.4%$207.2M
Two Sigma Investments2016Q1$119.91+12.2%$7.3M
Ken Griffin (Citadel Advisors)2016Q1$127.31+5.6%$112.8M
Ken Griffin (Citadel Advisors)2016Q1$127.31+5.6%$112.8M
Ken Griffin (Citadel Advisors)2016Q1$127.31+5.6%$112.8M
Renaissance Technologies2017Q2$127.73+5.3%$152.6M
Ron Baron (Baron Capital / BAMCO)2016Q1$138.13-2.6%$29.5M
Wellington Management2016Q1$147.61-8.9%$17.6M
T. Rowe Price2016Q1$201.94-33.4%$18.0M
Baillie Gifford & Co2016Q1$212.84-36.8%$218.8M
Steve Cohen (Point72)2016Q2$231.00-41.8%$874K
Steve Cohen (Point72)2016Q2$231.00-41.8%$874K
Norges Bank (Norway SWF)2016Q1$10366.50-98.7%$72.6M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
22
$512.04B
2022Q2
23
$353.77B
2022Q3
22
$7.90B
2022Q4
21
$7.96B
2023Q1
23
$8.68B
2023Q2
17
$6.84B
2023Q3
19
$3.92B
2023Q4
21
$3.56B
2024Q1
23
$3.92B
2024Q2
21
$3.33B
2024Q3
22
$1.53B
2024Q4
21
$1.23B
2025Q1
22
$754.7M
2025Q2
21
$1.10B
2025Q3
17
$981.8M
2025Q4
20
$1.45B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2026-02-10Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-10-31Lisa McClainSell$1K – $15KPDF ↗
2025-10-30Lisa McClainBuy$1K – $15KPDF ↗
2025-10-30Lisa McClainSell$1K – $15KPDF ↗
2025-06-09Lisa McClainBuy$1K – $15KPDF ↗
2025-04-01Thomas H. KeanBuy$1K – $15KPDF ↗
2025-04-01Thomas H. KeanBuy$1K – $15KPDF ↗

Who owns ILMN

20 super-investors · 2025Q4
Tracked stake
11.05M
shares
Combined value
$1.45B
% of shares outstanding
shares-out unknown
Quarter action mix
New4Added11Trim5
#ManagerSharesValue
1AQR Capital Management4.43M$581M
2Baillie Gifford & Co1.63M$213M
3Cathie Wood
ARK Invest
1.54M$202M
4Renaissance Technologies1.13M$149M
5Ken Griffin
Citadel Advisors
838.3K$110M
6Norges Bank
Norway SWF
540.1K$71M
7Ron Baron
Baron Capital / BAMCO
219.6K$29M
8T. Rowe Price133.9K$18M
9Ken Griffin
Citadel Advisors
133.3K$17M
10Wellington Management130.9K$17M
11Ken Griffin
Citadel Advisors
89.2K$12M
12Two Sigma Investments54.3K$7M
13Izzy Englander
Millennium Mgmt
43.4K$6M
14Izzy Englander
Millennium Mgmt
35.4K$5M
15D.E. Shaw & Co.35.0K$5M
16Izzy Englander
Millennium Mgmt
23.5K$3M
17D.E. Shaw & Co.23.4K$3M
18Steve Cohen
Point72
10.0K$1M
19Paul Tudor Jones
Tudor Investment
8.0K$1M
20Steve Cohen
Point72
6.5K$853K

Recent moves

20 transactions
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