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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
Natixis Advisors
201
Natixis Advisors
Massachusetts
$4.3M -$117K -2,206 -3%
QT
202
Quantbot Technologies
New York
$4.26M +$3.91M +73,523 New
CIM
203
Corbyn Investment Management
Maryland
$4.21M -$114K -2,148 -3%
Capital Fund Management (CFM)
204
Capital Fund Management (CFM)
France
$4.19M +$1.56M +29,397 +68%
HI
205
Horizon Investments
North Carolina
$4.12M -$3.2M -60,170 -46%
AIP
206
Ameritas Investment Partners
Nebraska
$4.08M -$214K -4,027 -5%
DLP
207
De Lisle Partners
United Kingdom
$4.06M +$3.72M +70,000 New
SAM
208
Silvercrest Asset Management
New York
$3.94M -$1.55M -29,222 -30%
DA
209
Denali Advisors
California
$3.91M -$289K -5,443 -7%
FDCDDQ
210
Federation des caisses Desjardins du Quebec
Quebec, Canada
$3.91M +$528K +9,933 +17%
IPW
211
Inlet Private Wealth
Florida
$3.87M – – –
PCMH
212
Polymer Capital Management (HK)
Hong Kong
$3.85M +$3M +56,533 +573%
Ensign Peak Advisors
213
Ensign Peak Advisors
Utah
$3.82M -$2.09M -39,400 -37%
SM
214
Sciencast Management
New Jersey
$3.79M +$3.47M +65,297 New
CP
215
Clayton Partners
California
$3.76M -$61.7K -1,161 -2%
TC
216
TownSquare Capital
Utah
$3.76M +$277K +5,209 +9%
URS
217
Utah Retirement Systems
Utah
$3.57M -$62.4K -1,174 -2%
Handelsbanken Fonder
218
Handelsbanken Fonder
Sweden
$3.55M – – –
PCOTEOTHU
219
Provident Company of the Employees of the Hebrew University
Israel
$3.55M – – –
Credit Agricole
220
Credit Agricole
France
$3.46M +$3.17M +59,713 New
GIS
221
Graphene Investments SAS
France
$3.43M -$446K -8,400 -12%
Assenagon Asset Management
222
Assenagon Asset Management
Luxembourg
$3.4M -$135K -2,534 -4%
ET
223
Entropy Technologies
New York
$3.39M +$2.33M +43,797 +297%
AG
224
Algert Global
California
$3.38M -$7.43M -139,770 -71%
Pictet Asset Management
225
Pictet Asset Management
Switzerland
$3.38M +$3.77K +71 +0.1%
7 8
9
10 11

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.