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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
Morgan Stanley
26
Morgan Stanley
New York
$142M -$5.53M -104,176 -4%
Franklin Resources
27
Franklin Resources
California
$142M -$52.4M -986,911 -29%
Allianz Asset Management
28
Allianz Asset Management
Germany
$139M +$19.2M +360,553 +18%
Alyeska Investment Group
29
Alyeska Investment Group
Illinois
$130M -$73.7M -1,387,968 -38%
Balyasny Asset Management
30
Balyasny Asset Management
Illinois
$124M -$25.1M -471,715 -18%
Artisan Partners
31
Artisan Partners
Wisconsin
$115M -$3.76M -70,789 -3%
UBS Group
32
UBS Group
Switzerland
$89.9M +$7.55M +142,159 +10%
PCH
33
Polar Capital Holdings
United Kingdom
$88.5M -$118M -2,221,693 -59%
LPL Financial
34
LPL Financial
California
$87.3M +$44.2M +832,476 +124%
New York State Common Retirement Fund
35
New York State Common Retirement Fund
New York
$85.4M +$2.92M +55,000 +4%
Envestnet Asset Management
36
Envestnet Asset Management
Illinois
$79.4M +$1.06M +19,905 +1%
Pacer Advisors
37
Pacer Advisors
Pennsylvania
$79.1M +$71.3M +1,342,569 +5,974%
American Century Companies
38
American Century Companies
Missouri
$78.5M +$6.24M +117,460 +9%
CPC
39
Cookson Peirce & Co
Pennsylvania
$71.3M -$2.11M -39,737 -3%
SSM
40
Sound Shore Management
Connecticut
$67.9M -$31.8M -598,896 -34%
SEI Investments
41
SEI Investments
Pennsylvania
$66.7M -$2.36M -44,501 -4%
SCM
42
Simcoe Capital Management
New York
$66M -$139K -2,615 -0.2%
Wells Fargo
43
Wells Fargo
California
$65.2M -$6.69M -125,866 -10%
PWAM
44
Park West Asset Management
California
$62.2M +$30.4M +573,000 +115%
Citadel Advisors
45
Citadel Advisors
Florida
$62.2M +$29.6M +556,886 +108%
DekaBank Deutsche Girozentrale
46
DekaBank Deutsche Girozentrale
Germany
$61.1M – – –
Millennium Management
47
Millennium Management
New York
$60.7M +$48.8M +918,627 +719%
RhumbLine Advisers
48
RhumbLine Advisers
Massachusetts
$60.2M +$374K +7,032 +0.7%
Barclays
49
Barclays
United Kingdom
$58.1M +$342K +6,439 +0.6%
JCM
50
Junto Capital Management
New York
$56.3M +$51.6M +970,683 New
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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.