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Welch & Forbes LLC

Position in ILMN — Illumina, Inc.

CIK 105495 Boston, MA

Position in ILMN

as of Jun 30, 2026 · filed Jul 30, 2026
Position Value
$316,845
+$94,731 QoQ
Shares Held
1,802
0.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#630
of 935 holders
Holding Since
Mar 2020
23 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ILMN Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Jun 30, 2026

Welch & Forbes LLC holds $321,528,341 across 8 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 $316,845

All Filings in ILMN

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23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $316,845 1,802
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 $268,597 1,956
2023-12-31 $272,353 1,956
2023-09-30 $323,431 2,356
2023-06-30 $444,538 2,371
2023-03-31 $549,283 2,362
2022-12-31 $476,383 2,356
2022-09-30 $449,501 2,356
2022-06-30 $434,352 2,356
2022-03-31 $828,427 2,371
2021-12-31 $940,067 2,471
2021-09-30 $961,701 2,371
2021-06-30 $1,121,980 2,371
2021-03-31 $414,016 1,078
2020-12-31 $417,360 1,128
2020-09-30 $381,713 1,235
2020-06-30 $458,863 1,239
2020-03-31 $350,959 1,285