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LOOMIS SAYLES & CO L P

Position in ILMN — Illumina, Inc.

CIK 312348 BOSTON, MA

Position in ILMN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$339,694,416
-$23,056,928 QoQ
Shares Held
1,931,948
-34.4% QoQ
Ownership
1.28%
of shares outstanding
% of Portfolio
0.43%
of 13F equity value
Holder Rank
#14
of 932 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 80% Shared 0% None 20%

Common Shares in ILMN Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Jun 30, 2026

LOOMIS SAYLES & CO L P holds $1,450,273,921 across 13 Diagnostics & Research names. ILMN ranks #2 (23.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 ILMN
Illumina, Inc.
This page
1,931,948 $339,694,416

All Filings in ILMN

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $339,694,416 1,931,948
2026-03-31 $362,751,344 2,942,977
2025-12-31 $547,162,795 4,171,720
2025-09-30 $407,177,036 4,287,428
2025-06-30 $403,157,721 4,225,529
2025-03-31 $329,039,799 4,147,212
2024-12-31 $562,603,679 4,210,160
2024-09-30 $566,336,722 4,342,740
2024-06-30 $465,742,932 4,461,994
2024-03-31 $605,894,028 4,412,277
2023-12-31 $616,093,689 4,424,688
2023-09-30 $550,212,518 4,007,957
2023-06-30 $712,404,001 3,799,690
2023-03-31 $793,405,416 3,411,762
2022-12-31 $652,457,925 3,226,795
2022-09-30 $686,517,803 3,598,290
2022-06-30 $688,049,505 3,732,098
2022-03-31 $1,237,140,609 3,540,757
2021-12-31 $1,371,337,370 3,604,609
2021-09-30 $1,297,314,522 3,198,428
2021-06-30 $1,521,942,694 3,216,210
2021-03-31 $1,290,967,302 3,361,369
2020-12-31 $1,295,767,454 3,502,074
2020-09-30 $1,082,592,029 3,502,627
2020-06-30 $822,071,715 2,219,716
2020-03-31 $320,138,658 1,172,154