ILMN icon

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
676
$1.11K
677
$1.11K
678
$1.03K
679
$1.03K
680
$1K
681
$1K
682
$953
683
$953
684
$952
685
$952
686
$952
687
$952
688
$873
689
$873
690
$793
691
$793
692
$715
693
$635
694
$602
695
$556
696
$555
697
$555
698
$477
699
$476
700
$476