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Lumentum

1,081 hedge funds and large institutions have $54.1B invested in Lumentum in 2026 Q1 according to their latest regulatory filings, with 427 funds opening new positions, 275 increasing their positions, 325 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

402% more first-time investments, than exits

New positions opened: 427 | Existing positions closed: 85

83% more capital invested

Capital invested by funds: $29.5B → $54.1B (+$24.6B)

60% more funds holding in top 10

Funds holding in top 10: 5385 (+32)

43% more funds holding

Funds holding: 7541,081 (+327)

26% more call options, than puts

Call options by funds: $7.76B | Put options by funds: $6.14B

4.79% less ownership

Funds ownership: 112.92%108.13% (-4.8%)

15% less repeat investments, than reductions

Existing positions increased: 275 | Existing positions reduced: 325

Holders
1,081
Holders Change
+327
Holders Change %
+43.37%
% of All Funds
13.32%
Holding in Top 10
85
Holding in Top 10 Change
+32
Holding in Top 10 Change %
+60.38%
% of All Funds
1.05%
New
427
Increased
275
Reduced
325
Closed
85
Calls
$7.76B
Puts
$6.14B
Net Calls
+$1.61B
Net Calls Change
+$707M
Name Holding Trade Value Shares
Change
Change in
Stake
BF
401
BOK Financial
Oklahoma
$4.57M +$3.57M +6,497 New
JFG
402
Jefferies Financial Group
New York
$4.54M +$3.01M +5,471 +555%
BSG
403
Black Swift Group
Colorado
$4.53M +$3.54M +6,450 New
GT
404
Greenleaf Trust
Michigan
$4.5M +$314K +572 +10%
XT
405
XTX Topco
Cayman Islands
$4.5M +$3.52M +6,407 New
OGC
406
Oak Grove Capital
New Hampshire
$4.5M +$3.52M +6,400 New
Hudson Bay Capital Management
407
Hudson Bay Capital Management
Connecticut
$4.48M +$3.18M +5,788 +979%
MMEA
408
Main Management ETF Advisors
California
$4.45M +$3.48M +6,334 New
TFS
409
Thoroughbred Financial Services
Tennessee
$4.39M +$582K +1,060 +20%
AAP
410
Ardsley Advisory Partners
Connecticut
$4.36M -$40.5M -73,800 -92%
BHCM
411
Brevan Howard Capital Management
Jersey
$4.28M -$33.7M -61,266 -91%
AC
412
Armistice Capital
New York
$4.26M +$3.33M +6,065 New
SS
413
SBI Securities
Japan
$4.24M +$605K +1,102 +22%
AWA
414
Artemis Wealth Advisors
New York
$4.22M
IHG
415
Insight Holdings Group
New York
$4.2M +$3.28M +5,970 New
IFG
416
Independent Financial Group
California
$4.17M -$731K -1,330 -18%
MFGM
417
Marshall Financial Group (Maryland)
Maryland
$4.12M -$281K -512 -8%
PCM
418
Portolan Capital Management
Massachusetts
$4.09M
BA
419
Bridgewater Associates
Connecticut
$4.09M -$8.21M -14,952 -72%
ACM
420
Anfield Capital Management
California
$4.08M +$3.19M +5,806 New
BIG
421
Brooklyn Investment Group
New York
$4.01M +$872K +1,587 +38%
KFS
422
Keynote Financial Services
Connecticut
$4M -$285K -518 -8%
TRSOTSOK
423
Teachers Retirement System of the State of Kentucky
Kentucky
$3.9M -$9.22M -16,790 -75%
BBA
424
Baader Bank Aktiengesellschaft
Germany
$3.89M -$597K -1,086 -16%
GIBU
425
Gulf International Bank (UK)
United Kingdom
$3.84M +$3M +5,468 New