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Flex
FLEX

697 hedge funds and large institutions have $20.6B invested in Flex in 2025 Q3 according to their latest regulatory filings, with 114 funds opening new positions, 214 increasing their positions, 261 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

111% more first-time investments, than exits

New positions opened: 114 | Existing positions closed: 54

34% more call options, than puts

Call options by funds: $90.8M | Put options by funds: $67.9M

9% more capital invested

Capital invested by funds: $18.9B → $20.6B (+$1.78B)

8% more funds holding

Funds holding: 647 → 697 (+50)

6% more funds holding in top 10

Funds holding in top 10: 18 → 19 (+1)

6.22% less ownership

Funds ownership: 101.08% → 94.86% (-6.2%)

18% less repeat investments, than reductions

Existing positions increased: 214 | Existing positions reduced: 261

Holders
697
Holders Change
+50
Holders Change %
+7.73%
% of All Funds
9.15%
Holding in Top 10
19
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+5.56%
% of All Funds
0.25%
New
114
Increased
214
Reduced
261
Closed
54
Calls
$90.8M
Puts
$67.9M
Net Calls
+$22.9M
Net Calls Change
-$14M

Top Buyers

1
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$80.9M
2
Pacer Advisors
Pacer Advisors
Pennsylvania
+$71.3M
3
JP Morgan Chase
JP Morgan Chase
New York
+$62.9M
4
BlackRock
BlackRock
New York
+$53.1M
5
JCM
Junto Capital Management
New York
+$51.6M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$239M
2
Primecap Management
Primecap Management
California
-$212M
3
Wellington Management Group
Wellington Management Group
Massachusetts
-$199M
4
UBS AM
UBS AM
Illinois
-$168M
5
PCH
Polar Capital Holdings
United Kingdom
-$118M
Name Holding Trade Value Shares
Change 		Change in
Stake
Capital World Investors
151
Capital World Investors
California
$8.43M +$3.11M +58,537 +67%
Zurich Cantonal Bank
152
Zurich Cantonal Bank
Switzerland
$8.2M +$976K +18,366 +15%
HighTower Advisors
153
HighTower Advisors
Illinois
$8.15M +$321K +6,040 +4%
M
154
Mirova
France
$7.66M +$2.98M +56,183 +74%
State Board of Administration of Florida Retirement System
155
State Board of Administration of Florida Retirement System
Florida
$7.57M +$4.14M +77,906 +148%
Schroder Investment Management Group
156
Schroder Investment Management Group
United Kingdom
$7.5M -$4.23M -79,537 -38%
EF
157
Empowered Funds
Pennsylvania
$7.36M +$4.26M +80,122 +171%
JG
158
Jain Global
New York
$7.34M +$6.73M +126,602 New
State of New Jersey Common Pension Fund D
159
State of New Jersey Common Pension Fund D
New Jersey
$7.31M +$144K +2,717 +2%
LAM
160
L2 Asset Management
Massachusetts
$7.27M -$1.03M -19,378 -13%
LP
161
LMR Partners
United Kingdom
$7.24M -$9.3M -175,031 -58%
YCM
162
Yousif Capital Management
Michigan
$7.11M -$647K -12,186 -9%
TRSOTSOK
163
Teachers Retirement System of the State of Kentucky
Kentucky
$6.79M -$239K -4,500 -4%
OCA
164
Otter Creek Advisors
Florida
$6.68M +$727K +13,678 +13%
VT
165
Vise Technologies
New York
$6.57M -$195K -3,670 -3%
SLAM
166
Swiss Life Asset Management
$6.47M +$382K +7,193 +7%
ASRS
167
Arizona State Retirement System
Arizona
$6.39M -$85.6K -1,611 -1%
SCM
168
Seascape Capital Management
New Hampshire
$6.31M +$224K +4,224 +4%
Sumitomo Mitsui Trust Group
169
Sumitomo Mitsui Trust Group
Japan
$6.26M – – –
GCM
170
Genus Capital Management
British Columbia, Canada
$6.19M +$40.1K +755 +0.7%
ECM
171
ExodusPoint Capital Management
New York
$6.14M +$5.62M +105,858 New
LSERS
172
Louisiana State Employees Retirement System
Louisiana
$6.06M -$175K -3,300 -3%
Truist Financial
173
Truist Financial
North Carolina
$6.05M -$163K -3,074 -3%
CCA
174
Catalyst Capital Advisors
New York
$5.98M -$243K -4,565 -4%
AWM
175
Affinity Wealth Management
Delaware
$5.96M +$109K +2,059 +2%
5 6
7
8 9

FLEX Hedge Fund Activity: Q3 2025 in Review

697 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Flex (FLEX) for Q3 2025, worth a combined $20.6B — up 9.5% from $18.9B a quarter earlier.

Buyers outnumbered sellers: 114 funds opened new FLEX positions and 54 closed out — a net gain of 60 holders — while 214 added to existing stakes and 261 trimmed.

The largest buyer was Qube Research & Technologies (QRT), adding an estimated $80.9M. The largest seller was Fidelity Investments, cutting an estimated $239M.

  • 697 institutional investors held Flex (FLEX) as of Q3 2025, up from 647 in Q2 2025.
  • Funds reported $20.6B of Flex stock for Q3 2025, up 9.5% quarter-over-quarter.
  • 114 funds opened new Flex positions in Q3 2025 and 54 closed out, a net change of +60 holders.
  • The largest Flex buyer in Q3 2025 was Qube Research & Technologies (QRT), an estimated $80.9M added.
  • The largest Flex seller in Q3 2025 was Fidelity Investments, an estimated $239M sold.

Based on aggregated 13F filings for Q3 2025.