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647 hedge funds and large institutions have $18.9B invested in Flex in 2025 Q2 according to their latest regulatory filings, with 126 funds opening new positions, 206 increasing their positions, 220 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

133% more first-time investments, than exits

New positions opened: 126 | Existing positions closed: 54

125% more funds holding in top 10

Funds holding in top 10: 818 (+10)

83% more call options, than puts

Call options by funds: $81.5M | Put options by funds: $44.6M

52% more capital invested

Capital invested by funds: $12.4B → $18.9B (+$6.43B)

11% more funds holding

Funds holding: 582647 (+65)

3.03% more ownership

Funds ownership: 98.04%101.08% (+3%)

6% less repeat investments, than reductions

Existing positions increased: 206 | Existing positions reduced: 220

Holders
647
Holders Change
+65
Holders Change %
+11.17%
% of All Funds
8.52%
Holding in Top 10
18
Holding in Top 10 Change
+10
Holding in Top 10 Change %
+125%
% of All Funds
0.24%
New
126
Increased
206
Reduced
220
Closed
54
Calls
$81.5M
Puts
$44.6M
Net Calls
+$36.9M
Net Calls Change
+$19.9M
Name Holding Trade Value Shares
Change
Change in
Stake
Cetera Investment Advisers
151
Cetera Investment Advisers
Illinois
$6.54M +$455K +11,687 +10%
Citigroup
152
Citigroup
New York
$6.52M -$198K -5,088 -4%
Millennium Management
153
Millennium Management
New York
$6.38M -$2.61M -67,104 -34%
State of New Jersey Common Pension Fund D
154
State of New Jersey Common Pension Fund D
New Jersey
$6.16M
Zurich Cantonal Bank
155
Zurich Cantonal Bank
Switzerland
$6.14M +$308K +7,913 +7%
TRSOTSOK
156
Teachers Retirement System of the State of Kentucky
Kentucky
$6.07M -$335K -8,600 -7%
VT
157
Vise Technologies
New York
$5.84M +$4.56M +116,963 New
Lazard Asset Management
158
Lazard Asset Management
New York
$5.67M -$1.54M -39,639 -26%
ASRS
159
Arizona State Retirement System
Arizona
$5.58M +$24K +615 +0.6%
ACM
160
Alight Capital Management
New York
$5.58M -$1.1M -28,300 -20%
Sumitomo Mitsui Trust Group
161
Sumitomo Mitsui Trust Group
Japan
$5.39M -$164K -4,200 -4%
LSERS
162
Louisiana State Employees Retirement System
Louisiana
$5.38M +$19.5K +500 +0.5%
CCA
163
Catalyst Capital Advisors
New York
$5.37M -$201K -5,150 -5%
Truist Financial
164
Truist Financial
North Carolina
$5.37M +$128K +3,280 +3%
GCM
165
Genus Capital Management
British Columbia, Canada
$5.29M +$1.28M +32,740 +45%
BCI
166
Brinker Capital Investments
Pennsylvania
$5.26M -$155K -3,990 -4%
Ensign Peak Advisors
167
Ensign Peak Advisors
Utah
$5.26M -$1.24M -31,900 -23%
SCM
168
Seascape Capital Management
New Hampshire
$5.22M -$116K -2,977 -3%
Mitsubishi UFJ Trust & Banking
169
Mitsubishi UFJ Trust & Banking
Japan
$5.21M +$93.2K +2,392 +2%
SLAM
170
Swiss Life Asset Management
$5.21M +$4.07M +104,429 New
VI
171
Vestcor Inc
New Brunswick, Canada
$5.1M +$2.92M +75,000 +276%
OCA
172
Otter Creek Advisors
Florida
$5.07M -$1.51M -38,712 -28%
AWM
173
Affinity Wealth Management
Delaware
$5.03M -$39K -1,002 -1%
IAM
174
Iridian Asset Management
Connecticut
$5.01M -$150K -3,854 -4%
COPPSERS
175
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$4.91M +$267K +6,854 +7%

FLEX Hedge Fund Activity: Q2 2025 in Review

647 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Flex (FLEX) for Q2 2025, worth a combined $18.9B — up 52% from $12.4B a quarter earlier.

Buyers outnumbered sellers: 126 funds opened new FLEX positions and 54 closed out — a net gain of 72 holders — while 206 added to existing stakes and 220 trimmed.

The largest buyer was BlackRock, adding an estimated $416M. The largest seller was Capital World Investors, cutting an estimated $150M.

  • 647 institutional investors held Flex (FLEX) as of Q2 2025, up from 582 in Q1 2025.
  • Funds reported $18.9B of Flex stock for Q2 2025, up 52% quarter-over-quarter.
  • 126 funds opened new Flex positions in Q2 2025 and 54 closed out, a net change of +72 holders.
  • The largest Flex buyer in Q2 2025 was BlackRock, an estimated $416M added.
  • The largest Flex seller in Q2 2025 was Capital World Investors, an estimated $150M sold.

Based on aggregated 13F filings for Q2 2025.