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Welch & Forbes LLC

Position in ILMN — Illumina, Inc.

CIK 105495 Boston, MA

Position in ILMN

as of Mar 31, 2026 · filed May 1, 2026
Position Value
$222,114
-$14,236 QoQ
Shares Held
1,802
0.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
22 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in ILMN Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Mar 31, 2026

Welch & Forbes LLC holds $331,978,026 across 7 Diagnostics & Research names. ILMN ranks #7 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 ILMN
Illumina, Inc.
This page
1,802 $222,114

All Filings in ILMN

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22 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $222,114 1,802
2025-12-31 $236,350 1,802
2024-12-31 $261,380 1,956
2024-09-30 $255,081 1,956
2024-06-30 $204,167 1,956
2024-03-31 $261,282 1,956
2023-12-31 $264,935 1,956
2023-09-30 $314,622 2,356
2023-06-30 $432,430 2,371
2023-03-31 $534,322 2,362
2022-12-31 $463,407 2,356
2022-09-30 $437,258 2,356
2022-06-30 $422,521 2,356
2022-03-31 $805,863 2,371
2021-12-31 $914,462 2,471
2021-09-30 $935,507 2,371
2021-06-30 $1,091,421 2,371
2021-03-31 $402,739 1,078
2020-12-31 $405,992 1,128
2020-09-30 $371,316 1,235
2020-06-30 $446,365 1,239
2020-03-31 $341,399 1,285