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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
Barclays
51
Barclays
United Kingdom
$49.7M -$1.9M -48,848 -5%
Principal Financial Group
52
Principal Financial Group
Iowa
$43.4M +$231K +5,916 +0.7%
Capital International Investors
53
Capital International Investors
California
$43.2M +$2.77K +71 +0%
CHAM
54
Clear Harbor Asset Management
Connecticut
$43M -$207K -5,313 -0.6%
California Public Employees Retirement System
55
California Public Employees Retirement System
California
$42.2M +$2.6M +66,724 +9%
Caisse de Depot et Placement du Quebec (CDPQ)
56
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$40.3M +$3.14M +80,678 +11%
Royal Bank of Canada
57
Royal Bank of Canada
Ontario, Canada
$38.3M +$3.9M +100,099 +15%
Goldman Sachs
58
Goldman Sachs
New York
$37.9M -$20.3M -520,196 -41%
Swiss National Bank
59
Swiss National Bank
Switzerland
$36.5M -$756K -19,400 -3%
JSSH
60
J. Safra Sarasin Holding
$35.5M -$15.7M -401,703 -36%
CC
61
Cartenna Capital
Connecticut
$34.9M +$27.3M +700,000 New
Ameriprise
62
Ameriprise
Minnesota
$34.3M -$1.45M -37,223 -5%
LPL Financial
63
LPL Financial
California
$33.6M -$17.2M -441,113 -40%
Raymond James Financial
64
Raymond James Financial
Florida
$33.2M -$2.33M -59,715 -8%
SAM
65
Storebrand Asset Management
Norway
$32.9M +$1.37M +35,041 +6%
Man Group
66
Man Group
United Kingdom
$32.2M +$12.5M +320,953 +99%
WP
67
Woodline Partners
California
$31.2M +$24.3M +624,745 New
BCM
68
Becker Capital Management
Oregon
$30M -$1.03M -26,510 -4%
Los Angeles Capital Management
69
Los Angeles Capital Management
California
$29.6M +$23.1M +593,880 New
Walleye Capital
70
Walleye Capital
New York
$27.4M +$20.7M +530,736 +2,926%
Citadel Advisors
71
Citadel Advisors
Florida
$25.7M -$61.2M -1,570,457 -75%
PWAM
72
Park West Asset Management
California
$25M +$2.44M +62,500 +14%
FCM
73
Frontier Capital Management
Massachusetts
$24.3M -$2.9M -74,375 -13%
PCM
74
Portolan Capital Management
Massachusetts
$24M +$7.78M +199,696 +71%
Retirement Systems of Alabama
75
Retirement Systems of Alabama
Alabama
$23.4M +$76.2K +1,955 +0.4%

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.