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Illumina

721 hedge funds and large institutions have $12.3B invested in Illumina in 2025 Q1 according to their latest regulatory filings, with 87 funds opening new positions, 266 increasing their positions, 274 reducing their positions, and 210 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

27% less funds holding in top 10

Funds holding in top 10: 1511 (-4)

40% less capital invested

Capital invested by funds: $20.6B → $12.3B (-$8.33B)

59% less first-time investments, than exits

New positions opened: 87 | Existing positions closed: 210

Holders
721
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
11
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$139M
Puts
$116M
Net Calls
Net Calls Change

Top Buyers

1 +$230M
2 +$180M
3 +$125M
4
Brown Advisory
Brown Advisory
Maryland
+$108M
5
UBS Group
UBS Group
Switzerland
+$106M

Top Sellers

1 -$177M
2 -$150M
3 -$145M
4
Artisan Partners
Artisan Partners
Wisconsin
-$141M
5
Ameriprise
Ameriprise
Minnesota
-$112M
Name Holding Trade Value Shares
Change
Change in
Stake
651
$3K
652
$3K
653
$2.94K
654
$2.86K
655
$2.78K
656
$2.7K
657
$2.62K
658
$2.54K
659
$2.38K
660
$2.14K
661
$1.98K
662
$1.9K
663
$1.82K
664
$1.82K
665
$1.82K
666
$1.67K
667
$1.67K
668
$1.59K
669
$1.59K
670
$1.58K
671
$1.43K
672
$1.35K
673
$1.19K
674
$1.19K
675
$1.11K