778 hedge funds and large institutions have $23B invested in Flex in 2026 Q1 according to their latest regulatory filings, with 122 funds opening new positions, 272 increasing their positions, 274 reducing their positions, and 90 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 funds holding

Funds holding:

more capital invested

Capital invested by funds: $ → $

1% less repeat investments, than reductions

Existing positions increased: 272 | Existing positions reduced: 274

3.36% less ownership

Funds ownership: 98.82%95.46% (-3.4%)

56% less call options, than puts

Call options by funds: $74.5M | Put options by funds: $171M

Holders
778
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$74.5M
Puts
$171M
Net Calls
Net Calls Change

Top Buyers

1 +$166M
2 +$152M
3 +$106M
4
Squarepoint
Squarepoint
New York
+$65.1M
5
Boston Partners
Boston Partners
Massachusetts
+$56.9M
Name Holding Trade Value Shares
Change
Change in
Stake
Treasurer of the State of North Carolina
76
Treasurer of the State of North Carolina
North Carolina
$34.3M
California State Teachers Retirement System (CalSTRS)
77
California State Teachers Retirement System (CalSTRS)
California
$32.3M
BNP Paribas Financial Markets
78
BNP Paribas Financial Markets
France
$31.1M
WorldQuant Millennium Advisors
79
WorldQuant Millennium Advisors
New York
$30.3M
Retirement Systems of Alabama
80
Retirement Systems of Alabama
Alabama
$29.5M
HW
81
Hancock Whitney
Mississippi
$29.5M
Jane Street
82
Jane Street
New York
$29.3M
PPF
83
PFA Pension Forsikringsaktieselskab
$29M
PCM
84
Portolan Capital Management
Massachusetts
$29M
Citigroup
85
Citigroup
New York
$28.3M
Lazard Asset Management
86
Lazard Asset Management
New York
$28.3M
NAMI
87
Nomura Asset Management International
Pennsylvania
$27.7M
BDAM
88
Blue Door Asset Management
Connecticut
$27.5M
JCM
89
Junto Capital Management
New York
$27.2M
OCM
90
Oribel Capital Management
New York
$27.1M
JSSH
91
J. Safra Sarasin Holding
$26.2M
GJL
92
Gendell Jeffrey L
$26.2M
Mitsubishi UFJ Asset Management
93
Mitsubishi UFJ Asset Management
Japan
$26.1M
Stifel Financial
94
Stifel Financial
Missouri
$25.9M
Robeco Institutional Asset Management
95
Robeco Institutional Asset Management
Netherlands
$24.9M
FCM
96
Frontier Capital Management
Massachusetts
$23.7M
Aberdeen Group
97
Aberdeen Group
United Kingdom
$23.2M
Capital World Investors
98
Capital World Investors
California
$23M
CGH
99
Crossmark Global Holdings
Texas
$22.7M
New York State Teachers Retirement System (NYSTRS)
100
New York State Teachers Retirement System (NYSTRS)
New York
$20.6M