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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
501
$226K
502
$224K
503
$220K
504
$218K
505
$216K
506
$215K
507
$214K
508
$214K
509
$213K
510
$209K
511
$207K
512
$207K
513
$202K
514
$194K
515
$192K
516
$180K
517
$168K
518
$158K
519
$131K
520
$129K
521
$129K
522
$128K
523
$119K
524
$115K
525
$109K