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Illumina

715 hedge funds and large institutions have $12.3B invested in Illumina in 2025 Q1 according to their latest regulatory filings, with 85 funds opening new positions, 265 increasing their positions, 271 reducing their positions, and 211 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)

60% less first-time investments, than exits

New positions opened: 85 | Existing positions closed: 211

Holders
715
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
Name Holding Trade Value Shares
Change
Change in
Stake
176
$4.77M
177
$4.76M
178
$4.72M
179
$4.6M
180
$4.55M
181
$4.53M
182
$4.41M
183
$4.41M
184
$4.34M
185
$4.28M
186
$4.21M
187
$4.21M
188
$4.02M
189
$3.99M
190
$3.95M
191
$3.9M
192
$3.89M
193
$3.89M
194
$3.88M
195
$3.86M
196
$3.85M
197
$3.83M
198
$3.82M
199
$3.82M
200
$3.8M