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647 hedge funds and large institutions have $18.9B invested in Flex in 2025 Q2 according to their latest regulatory filings, with 126 funds opening new positions, 206 increasing their positions, 220 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

133% more first-time investments, than exits

New positions opened: 126 | Existing positions closed: 54

125% more funds holding in top 10

Funds holding in top 10: 818 (+10)

83% more call options, than puts

Call options by funds: $81.5M | Put options by funds: $44.6M

52% more capital invested

Capital invested by funds: $12.4B → $18.9B (+$6.43B)

11% more funds holding

Funds holding: 582647 (+65)

3.03% more ownership

Funds ownership: 98.04%101.08% (+3%)

6% less repeat investments, than reductions

Existing positions increased: 206 | Existing positions reduced: 220

Holders
647
Holders Change
+65
Holders Change %
+11.17%
% of All Funds
8.52%
Holding in Top 10
18
Holding in Top 10 Change
+10
Holding in Top 10 Change %
+125%
% of All Funds
0.24%
New
126
Increased
206
Reduced
220
Closed
54
Calls
$81.5M
Puts
$44.6M
Net Calls
+$36.9M
Net Calls Change
+$19.9M
Name Holding Trade Value Shares
Change
Change in
Stake
CFM
251
Catalyst Funds Management
Australia
$2.06M -$1M -25,775 -38%
D.E. Shaw & Co
252
D.E. Shaw & Co
New York
$2.02M +$1.58M +40,494 New
VRS
253
Virginia Retirement Systems
Virginia
$2M -$495K -12,700 -24%
NYLIM
254
New York Life Investment Management
New York
$2M -$55.4K -1,422 -3%
RSWM
255
Robertson Stephens Wealth Management
California
$1.99M -$939K -24,100 -38%
Vontobel Holding
256
Vontobel Holding
Switzerland
$1.98M -$458K -11,745 -23%
Public Employees Retirement Association of Colorado
257
Public Employees Retirement Association of Colorado
Colorado
$1.96M -$83K -2,129 -5%
CM
258
CastleKnight Management
New York
$1.94M
SO
259
STRS Ohio
Ohio
$1.9M +$1.48M +37,974 New
Parallax Volatility Advisers
260
Parallax Volatility Advisers
California
$1.89M +$1.47M +37,829 New
ACA
261
Atlas Capital Advisors
Wyoming
$1.86M -$39.3K -1,008 -3%
Northwestern Mutual Wealth Management
262
Northwestern Mutual Wealth Management
Wisconsin
$1.82M +$12.5K +321 +0.9%
MOS
263
MGO One Seven
Ohio
$1.77M -$142K -3,641 -9%
PRP
264
Peak Retirement Planning
Ohio
$1.73M +$176K +4,513 +15%
Asset Management One
265
Asset Management One
Japan
$1.69M +$99.8K +2,561 +8%
SRC
266
Sage Rhino Capital
California
$1.67M +$44.5K +1,141 +4%
DM
267
Delphi Management
Massachusetts
$1.66M -$206K -5,274 -14%
RWA
268
Redhawk Wealth Advisors
Minnesota
$1.64M +$1.28M +32,859 New
MYIA
269
Mount Yale Investment Advisors
Colorado
$1.58M +$5.18K +133 +0.4%
FAM
270
Fred Alger Management
New York
$1.57M -$122K -3,122 -9%
SCM
271
Sterling Capital Management
North Carolina
$1.56M -$1.86M -47,774 -60%
Osaic Holdings
272
Osaic Holdings
Arizona
$1.52M -$558K -14,310 -31%
PTC
273
Private Trust Company
Ohio
$1.52M -$80.2K -2,058 -6%
Commonwealth Equity Services
274
Commonwealth Equity Services
Massachusetts
$1.5M +$3.98K +102 +0.3%
SAM
275
Securian Asset Management
Minnesota
$1.45M

FLEX Hedge Fund Activity: Q2 2025 in Review

647 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Flex (FLEX) for Q2 2025, worth a combined $18.9B — up 52% from $12.4B a quarter earlier.

Buyers outnumbered sellers: 126 funds opened new FLEX positions and 54 closed out — a net gain of 72 holders — while 206 added to existing stakes and 220 trimmed.

The largest buyer was BlackRock, adding an estimated $416M. The largest seller was Capital World Investors, cutting an estimated $150M.

  • 647 institutional investors held Flex (FLEX) as of Q2 2025, up from 582 in Q1 2025.
  • Funds reported $18.9B of Flex stock for Q2 2025, up 52% quarter-over-quarter.
  • 126 funds opened new Flex positions in Q2 2025 and 54 closed out, a net change of +72 holders.
  • The largest Flex buyer in Q2 2025 was BlackRock, an estimated $416M added.
  • The largest Flex seller in Q2 2025 was Capital World Investors, an estimated $150M sold.

Based on aggregated 13F filings for Q2 2025.