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Illumina
ILMN

932 hedge funds and large institutions have $27.4B invested in Illumina in 2026 Q2 according to their latest regulatory filings, with 162 funds opening new positions, 299 increasing their positions, 329 reducing their positions, and 64 closing their positions.

New
Increased
Maintained
Reduced
Closed

174% more call options, than puts

Call options by funds: $144M | Put options by funds: $52.4M

153% more first-time investments, than exits

New positions opened: 162 | Existing positions closed: 64

42% more capital invested

Capital invested by funds: $19.3B → $27.4B (+$8.09B)

30% more funds holding in top 10

Funds holding in top 10: 10 → 13 (+3)

10% more funds holding

Funds holding: 847 → 932 (+85)

0.59% more ownership

Funds ownership: 102.28% → 102.87% (+0.59%)

9% less repeat investments, than reductions

Existing positions increased: 299 | Existing positions reduced: 329

Holders
932
Holders Change
+85
Holders Change %
+10.04%
% of All Funds
11.26%
Holding in Top 10
13
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+30%
% of All Funds
0.16%
New
162
Increased
299
Reduced
329
Closed
64
Calls
$144M
Puts
$52.4M
Net Calls
+$91.1M
Net Calls Change
+$41.2M

Top Buyers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
+$436M
2
Primecap Management
Primecap Management
California
+$212M
3
AM
AGF Management
Ontario, Canada
+$200M
4
Wellington Management Group
Wellington Management Group
Massachusetts
+$174M
5
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
+$105M

Top Sellers

Rank Fund Capital Flow
1
SC
Sessa Capital
New York
-$316M
2
SCA
Southpoint Capital Advisors
New York
-$249M
3
Loomis, Sayles & Company
Loomis, Sayles & Company
Massachusetts
-$148M
4
CM
Corvex Management
New York
-$146M
5
Invesco
Invesco
Georgia
-$97.1M
Name Holding Trade Value Shares
Change 		Change in
Stake
NECFA
876
New England Capital Financial Advisors
Connecticut
$2.29K – – –
Q1WB
877
Quest 10 Wealth Builders
Virginia
$2.29K – – –
DPW
878
DiNuzzo Private Wealth
Pennsylvania
$2.29K +$146 +1 +8%
CAM
879
Costello Asset Management
Pennsylvania
$2.11K – – –
FC
880
Financial Consulate
Maryland
$1.94K -$293 -2 -15%
JFA
881
JNBA Financial Advisors
Minnesota
$1.94K – – –
VWA
882
Valued Wealth Advisors
Utah
$1.94K +$146 +1 +10%
AIS
883
Advocate Investing Services
Maryland
$1.93K – – –
GFL
884
Granite FO LLC
New Hampshire
$1.93K – – –
MIM
885
Marshall Investment Management
Colorado
$1.93K +$1.61K +11 New
HIA
886
HFM Investment Advisors
New Jersey
$1.76K +$732 +5 +100%
FC
887
Fairscale Capital
New Hampshire
$1.76K – – –
NB
888
NBT Bank
New York
$1.58K – – –
BCV
889
Banque Cantonale Vaudoise
Switzerland
$1.51K -$48.3K -330 -4%
FMP
890
Financial Management Professionals
Texas
$1.41K – – –
MA
891
Montag & Associates
Georgia
$1.29K -$586 -4 -36%
WA
892
Whipplewood Advisors
Colorado
$1.23K -$85.5K -584 -99%
SWM
893
Spire Wealth Management
Virginia
$1.23K – – –
HI
894
Hoey Investments
Pennsylvania
$1.23K +$1.02K +7 New
CT
895
Colonial Trust
South Carolina
$1.22K -$7.91K -54 -89%
GTAM
896
Global Trust Asset Management
Florida
$1.05K -$439 -3 -33%
GWP
897
Gen-Wealth Partners
Michigan
$1.05K – – –
BHWM
898
Beaird Harris Wealth Management
Texas
$1.02K – – –
CMP
899
Coston McIsaac & Partners
Maine
$1K – – –
PCM
900
Penserra Capital Management
California
$1K – – –
34 35
36
37 38

ILMN Hedge Fund Activity: Q2 2026 in Review

932 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Illumina (ILMN) for Q2 2026, worth a combined $27.4B — up 42% from $19.3B a quarter earlier.

Buyers outnumbered sellers: 162 funds opened new ILMN positions and 64 closed out — a net gain of 98 holders — while 299 added to existing stakes and 329 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $436M. The largest seller was Sessa Capital, cutting an estimated $316M.

  • 932 institutional investors held Illumina (ILMN) as of Q2 2026, up from 847 in Q1 2026.
  • Funds reported $27.4B of Illumina stock for Q2 2026, up 42% quarter-over-quarter.
  • 162 funds opened new Illumina positions in Q2 2026 and 64 closed out, a net change of +98 holders.
  • The largest Illumina buyer in Q2 2026 was Fidelity Investments, an estimated $436M added.
  • The largest Illumina seller in Q2 2026 was Sessa Capital, an estimated $316M sold.

Based on aggregated 13F filings for Q2 2026.