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783 hedge funds and large institutions have $23.1B invested in Flex in 2026 Q1 according to their latest regulatory filings, with 122 funds opening new positions, 275 increasing their positions, 276 reducing their positions, and 88 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: $ → $

0% less repeat investments, than reductions

Existing positions increased: 275 | Existing positions reduced: 276

2.86% less ownership

Funds ownership: 98.82%95.97% (-2.9%)

56% less call options, than puts

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

Holders
783
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
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
GIBU
301
Gulf International Bank (UK)
United Kingdom
$1.89M
MYIA
302
Mount Yale Investment Advisors
Colorado
$1.87M
WWA
303
WCG Wealth Advisors
Nevada
$1.79M
AAF
304
Andra AP-fonden
Sweden
$1.78M
SAM
305
Securian Asset Management
Minnesota
$1.77M
PTC
306
Private Trust Company
Ohio
$1.77M
BOTPPF
307
Board of the Pension Protection Fund
United Kingdom
$1.76M
JCIA
308
Jackson Creek Investment Advisors
Colorado
$1.75M
IMCOOI
309
Investment Management Corp of Ontario (IMCO)
Canada
$1.73M
BFO
310
Boston Family Office
Massachusetts
$1.72M
MAM
311
Martingale Asset Management
Massachusetts
$1.71M
FRM
312
Fox Run Management
Connecticut
$1.7M
SCM
313
Sandler Capital Management
New York
$1.66M
SRC
314
Sage Rhino Capital
California
$1.61M
AssetMark Inc
315
AssetMark Inc
California
$1.53M
UCFA
316
United Capital Financial Advisors
Texas
$1.53M
RWM
317
Ritholtz Wealth Management
New York
$1.52M
BIG
318
Brooklyn Investment Group
New York
$1.51M
Mackenzie Financial
319
Mackenzie Financial
Ontario, Canada
$1.51M
AO
320
Advisor OS
Illinois
$1.5M
GC
321
Guggenheim Capital
Illinois
$1.5M
KNW
322
Kesler Norman & Wride
Utah
$1.49M
Aviva
323
Aviva
United Kingdom
$1.49M
STA
324
Summit Trail Advisors
New York
$1.44M
Bank of Nova Scotia
325
Bank of Nova Scotia
Ontario, Canada
$1.44M