645 hedge funds and large institutions have $18.8B invested in Flex in 2025 Q2 according to their latest regulatory filings, with 126 funds opening new positions, 205 increasing their positions, 219 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

11% more funds holding

Funds holding: 580645 (+65)

4.53% more ownership

Funds ownership: 96.35%100.87% (+4.5%)

6% less repeat investments, than reductions

Existing positions increased: 205 | Existing positions reduced: 219

Holders
645
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
18
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$81.5M
Puts
$44.6M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MIP
651
Marietta Investment Partners
Wisconsin
EGM
652
Engineers Gate Manager
New York
QCM
653
Qsemble Capital Management
New York
SAM
654
Soviero Asset Management
New York
JF
655
Jump Financial
Illinois
CWP
656
Cyndeo Wealth Partners
Florida
XT
657
XTX Topco
Cayman Islands
MIC
658
Maxi Investments CY
Cyprus
DFCM
659
Dark Forest Capital Management
Puerto Rico
OQS
660
Occudo Quantitative Strategies
Florida
YIH
661
Y-Intercept (HK)
Hong Kong
OTPPB
662
Ontario Teachers' Pension Plan Board
Ontario, Canada
CCIA
663
Campbell & Co Investment Adviser
Maryland
Mackenzie Financial
664
Mackenzie Financial
Ontario, Canada
LA
665
LM Advisors
California
WLG
666
Williamson Legacy Group
Indiana
BCM
667
Bayesian Capital Management
New York
HIS
668
Harvest Investment Services
Illinois
MFS
669
Mirabella Financial Services
United Kingdom
Two Sigma Advisers
670
Two Sigma Advisers
New York
PEAK6
671
PEAK6
Illinois
USAA
672
United Services Automobile Association
Texas
ACM
673
Aster Capital Management
United Arab Emirates
Marshall Wace
674
Marshall Wace
United Kingdom
WW
675
Winnow Wealth
Texas