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PRIMECAP MANAGEMENT CO/CA/

Position in ILMN — Illumina, Inc.

CIK 763212 PASADENA, CA

Position in ILMN

as of Mar 31, 2026 · filed May 11, 2026
Position Value
$254,815,274
-$6,151,023 QoQ
Shares Held
2,067,299
+3.9% QoQ
Ownership
1.37%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 93.76625914599637.ToString("F0")% Shared 0.ToString("F0")% None 6.233740854003631.ToString("F0")%

Common Shares in ILMN Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Mar 31, 2026

PRIMECAP MANAGEMENT CO/CA/ holds $1,916,024,145 across 9 Diagnostics & Research names. ILMN ranks #3 (13.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 ILMN
Illumina, Inc.
This page
2,067,299 $254,815,274

All Filings in ILMN

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $254,815,274 2,067,299
2025-12-31 $260,966,297 1,989,679
2025-09-30 $179,044,946 1,885,279
2025-06-30 $186,860,389 1,958,499
2025-03-31 $188,111,093 2,370,949
2024-12-31 $328,171,092 2,455,819
2024-09-30 $328,158,377 2,516,359
2024-06-30 $253,513,968 2,428,760
2024-03-31 $57,673,078 431,750
2023-12-31 $55,171,152 407,325
2023-09-30 $55,695,235 417,065
2023-06-30 $83,449,114 457,548
2023-03-31 $105,450,135 466,148
2022-12-31 $102,357,452 520,393
2022-09-30 $106,104,303 571,703
2022-06-30 $108,555,028 605,308
2022-03-31 $211,522,293 622,338
2021-12-31 $245,938,162 664,558
2021-09-30 $270,163,908 684,718
2021-06-30 $328,138,904 712,848
2021-03-31 $271,787,066 727,483
2020-12-31 $284,992,876 791,818
2020-09-30 $251,244,174 835,638
2020-06-30 $314,040,187 871,698
2020-03-31 $246,276,364 926,963