748 hedge funds and large institutions have $22B invested in Flex in 2025 Q4 according to their latest regulatory filings, with 135 funds opening new positions, 203 increasing their positions, 305 reducing their positions, and 64 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

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

more funds holding

Funds holding:

more capital invested

Capital invested by funds: $ → $

3.94% more ownership

Funds ownership: 94.69%98.63% (+3.9%)

33% less repeat investments, than reductions

Existing positions increased: 203 | Existing positions reduced: 305

42% less funds holding in top 10

Funds holding in top 10: 1911 (-8)

Holders
748
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
$111M
Puts
$90M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
California State Teachers Retirement System (CalSTRS)
76
California State Teachers Retirement System (CalSTRS)
California
$30.9M
Alyeska Investment Group
77
Alyeska Investment Group
Illinois
$29.9M
Treasurer of the State of North Carolina
78
Treasurer of the State of North Carolina
North Carolina
$29.3M
PCM
79
Portolan Capital Management
Massachusetts
$28.2M
LCM
80
Logan Capital Management
Pennsylvania
$26.8M
Retirement Systems of Alabama
81
Retirement Systems of Alabama
Alabama
$26.8M
Stifel Financial
82
Stifel Financial
Missouri
$25.5M
Mitsubishi UFJ Asset Management
83
Mitsubishi UFJ Asset Management
Japan
$24.1M
BGIM
84
Brandywine Global Investment Management
Pennsylvania
$23.6M
BDAM
85
Blue Door Asset Management
Connecticut
$23.5M
TI
86
Trexquant Investment
Connecticut
$23M
Robeco Institutional Asset Management
87
Robeco Institutional Asset Management
Netherlands
$22.7M
JSSH
88
J. Safra Sarasin Holding
$22.4M
CAM
89
Cozad Asset Management
Illinois
$22M
KC
90
Kadensa Capital
Hong Kong
$21.6M
FCM
91
Frontier Capital Management
Massachusetts
$21.5M
CGH
92
Crossmark Global Holdings
Texas
$20.6M
Aberdeen Group
93
Aberdeen Group
United Kingdom
$20.6M
Teacher Retirement System of Texas
94
Teacher Retirement System of Texas
Texas
$20.6M
Royal Bank of Canada
95
Royal Bank of Canada
Ontario, Canada
$20.2M
New York State Teachers Retirement System (NYSTRS)
96
New York State Teachers Retirement System (NYSTRS)
New York
$20.1M
BNP Paribas Financial Markets
97
BNP Paribas Financial Markets
France
$19.7M
Lazard Asset Management
98
Lazard Asset Management
New York
$19.4M
SRFM
99
Shannon River Fund Management
New York
$18.9M
KBC Group
100
KBC Group
Belgium
$18.5M