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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
CCIA
301
Campbell & Co Investment Adviser
Maryland
$1.46M +$1.34M +25,189 New
TAM
302
Todd Asset Management
Kentucky
$1.45M -$25.4K -479 -2%
SFS
303
Sowell Financial Services
Arkansas
$1.44M +$910K +17,128 +221%
KBC Group
304
KBC Group
Belgium
$1.44M +$5.31K +100 +0.4%
QCG
305
Quadrant Capital Group
Ohio
$1.43M +$16.6K +313 +1%
UCFA
306
United Capital Financial Advisors
Texas
$1.41M +$1.29M +24,355 New
P
307
&Partners
Tennessee
$1.39M -$4.2K -79 -0.3%
Commonwealth Equity Services
308
Commonwealth Equity Services
Massachusetts
$1.38M -$335K -6,315 -21%
PGFC
309
Peapack-Gladstone Financial Corp
New Jersey
$1.38M -$82.1K -1,546 -6%
HT
310
Headlands Technologies
Illinois
$1.37M +$1.26M +23,647 New
TRCT
311
Tower Research Capital (TRC)
New York
$1.36M +$591K +11,122 +90%
HFM
312
Harvest Fund Management
China
$1.33M -$68.5K -1,290 -5%
AssetMark Inc
313
AssetMark Inc
California
$1.31M +$32.6K +613 +3%
CIBC World Market
314
CIBC World Market
Ontario, Canada
$1.31M +$830K +15,629 +225%
PAS
315
Park Avenue Securities
New York
$1.28M -$94.8K -1,784 -7%
Mariner
316
Mariner
Kansas
$1.25M -$284K -5,354 -20%
Cerity Partners
317
Cerity Partners
New York
$1.2M -$203K -3,816 -16%
JF
318
JSF Financial
California
$1.19M +$1.09M +20,522 New
NSEDCP
319
NJ State Employees Deferred Compensation Plan
New Jersey
$1.16M – – –
SAM
320
Soviero Asset Management
New York
$1.16M +$1.06M +20,000 New
MC
321
Machina Capital
France
$1.15M +$1.05M +19,847 New
HWAM
322
Hennion & Walsh Asset Management
New Jersey
$1.15M +$371K +6,989 +55%
US Bancorp
323
US Bancorp
Minnesota
$1.14M +$12K +225 +1%
First Eagle Investment Management
324
First Eagle Investment Management
New York
$1.13M -$226K -4,257 -18%
LCM
325
Landscape Capital Management
New Jersey
$1.1M +$1M +18,917 New
11 12
13
14 15

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.