778 hedge funds and large institutions have $23B invested in Flex in 2026 Q1 according to their latest regulatory filings, with 122 funds opening new positions, 272 increasing their positions, 274 reducing their positions, and 90 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

more capital invested

Capital invested by funds: $ → $

1% less repeat investments, than reductions

Existing positions increased: 272 | Existing positions reduced: 274

3.36% less ownership

Funds ownership: 98.82%95.46% (-3.4%)

56% less call options, than puts

Call options by funds: $74.5M | Put options by funds: $171M

Holders
778
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$74.5M
Puts
$171M
Net Calls
Net Calls Change

Top Buyers

1 +$166M
2 +$152M
3 +$106M
4
Squarepoint
Squarepoint
New York
+$65.1M
5
Boston Partners
Boston Partners
Massachusetts
+$56.9M
Name Holding Trade Value Shares
Change
Change in
Stake
SAM
301
Securian Asset Management
Minnesota
$1.77M
PTC
302
Private Trust Company
Ohio
$1.77M
BOTPPF
303
Board of the Pension Protection Fund
United Kingdom
$1.76M
JCIA
304
Jackson Creek Investment Advisors
Colorado
$1.75M
IMCOOI
305
Investment Management Corp of Ontario (IMCO)
Canada
$1.73M
BFO
306
Boston Family Office
Massachusetts
$1.72M
MAM
307
Martingale Asset Management
Massachusetts
$1.71M
FRM
308
Fox Run Management
Connecticut
$1.7M
SCM
309
Sandler Capital Management
New York
$1.66M
SRC
310
Sage Rhino Capital
California
$1.61M
AssetMark Inc
311
AssetMark Inc
California
$1.53M
UCFA
312
United Capital Financial Advisors
Texas
$1.53M
RWM
313
Ritholtz Wealth Management
New York
$1.52M
BIG
314
Brooklyn Investment Group
New York
$1.51M
Mackenzie Financial
315
Mackenzie Financial
Ontario, Canada
$1.51M
AO
316
Advisor OS
Illinois
$1.5M
GC
317
Guggenheim Capital
Illinois
$1.5M
KNW
318
Kesler Norman & Wride
Utah
$1.49M
Aviva
319
Aviva
United Kingdom
$1.49M
STA
320
Summit Trail Advisors
New York
$1.44M
Bank of Nova Scotia
321
Bank of Nova Scotia
Ontario, Canada
$1.44M
PS
322
Principal Securities
Iowa
$1.44M
TG
323
TCW Group
California
$1.43M
SPC
324
Sigma Planning Corp
Michigan
$1.42M
CFO
325
Callan Family Office
Pennsylvania
$1.42M