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761 hedge funds and large institutions have $22.1B invested in Flex in 2025 Q4 according to their latest regulatory filings, with 145 funds opening new positions, 205 increasing their positions, 306 reducing their positions, and 63 closing their positions.

New
Increased
Maintained
Reduced
Closed

130% more first-time investments, than exits

New positions opened: 145 | Existing positions closed: 63

23% more call options, than puts

Call options by funds: $111M | Put options by funds: $90M

9% more funds holding

Funds holding: 697761 (+64)

7% more capital invested

Capital invested by funds: $20.6B → $22.1B (+$1.42B)

3.96% more ownership

Funds ownership: 94.86%98.82% (+4%)

33% less repeat investments, than reductions

Existing positions increased: 205 | Existing positions reduced: 306

42% less funds holding in top 10

Funds holding in top 10: 1911 (-8)

Holders
761
Holders Change
+64
Holders Change %
+9.18%
% of All Funds
9.26%
Holding in Top 10
11
Holding in Top 10 Change
-8
Holding in Top 10 Change %
-42.11%
% of All Funds
0.13%
New
145
Increased
205
Reduced
306
Closed
63
Calls
$111M
Puts
$90M
Net Calls
+$21.1M
Net Calls Change
-$1.8M
Name Holding Trade Value Shares
Change
Change in
Stake
SCM
301
Sterling Capital Management
North Carolina
$1.68M -$78.8K -1,276 -4%
AAM
302
Advisors Asset Management
Colorado
$1.67M -$688K -11,140 -29%
PTC
303
Private Trust Company
Ohio
$1.67M -$61.5K -996 -3%
UOTTAIMCU
304
University of Texas/Texas AM Investment Management Co (UTIMCO)
Texas
$1.66M +$1.7M +27,504 New
TG
305
TCW Group
California
$1.64M -$50.2M -812,305 -97%
SAM
306
Securian Asset Management
Minnesota
$1.63M -$71.7K -1,160 -4%
BOTPPF
307
Board of the Pension Protection Fund
United Kingdom
$1.63M -$309K -5,000 -16%
TAF
308
Tredje AP-fonden
Sweden
$1.6M -$383K -6,196 -19%
BFO
309
Boston Family Office
Massachusetts
$1.59M
ECM
310
Evergreen Capital Management
Washington
$1.53M -$24.4K -395 -2%
IMCOOI
311
Investment Management Corp of Ontario (IMCO)
Canada
$1.53M +$1.56M +25,291 New
QCG
312
Quadrant Capital Group
Ohio
$1.52M +$31.3K +507 +2%
MF
313
Magnetar Financial
Illinois
$1.52M +$1.55M +25,119 New
UCFA
314
United Capital Financial Advisors
Texas
$1.51M +$35.5K +574 +2%
DFCM
315
Dark Forest Capital Management
Puerto Rico
$1.51M -$3.47M -56,113 -69%
Walleye Trading
316
Walleye Trading
New York
$1.49M +$1.52M +24,673 New
Cerity Partners
317
Cerity Partners
New York
$1.48M +$234K +3,787 +18%
DM
318
Delphi Management
Massachusetts
$1.48M -$169K -2,733 -10%
AO
319
Advisor OS
Illinois
$1.48M -$361K -5,847 -19%
PP
320
Prudential plc
United Kingdom
$1.45M +$730K +11,816 +97%
RWM
321
Ritholtz Wealth Management
New York
$1.43M +$322K +5,206 +28%
Jane Street
322
Jane Street
New York
$1.41M -$20.4M -330,944 -93%
TAM
323
Todd Asset Management
Kentucky
$1.41M -$107K -1,725 -7%
Aviva
324
Aviva
United Kingdom
$1.39M +$397K +6,420 +39%
William Blair & Company
325
William Blair & Company
Illinois
$1.39M -$142K -2,291 -9%